/* styles.css - ZenMatrix Core Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: dark;
  /* Material Design 3 Color Palette - Dark Theme Default */
  --bg-app: #141218;         /* M3 Dark Baseline */
  --bg-card: #1d1b20;        /* M3 Surface Container */
  --bg-card-hover: #2b2930;  /* M3 Surface Container High */
  --bg-sidebar: #211f26;     /* M3 Surface Container Low */
  --border-color: rgba(208, 188, 255, 0.08); /* Lavender border tint */
  --border-focus: rgba(208, 188, 255, 0.5);
  --text-primary: #e6e1e5;
  --text-secondary: #cac4d0;
  --text-muted: #938f99;
  --accent: #d0bcff;         /* M3 Dark Primary / Lavender */
  --accent-hover: #b5a0e6;
  --accent-light: rgba(208, 188, 255, 0.12);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 8px 3px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 12px 6px rgba(0, 0, 0, 0.15), 0 4px 4px rgba(0, 0, 0, 0.3);
  
  /* Material 3 Corner Radii specs */
  --radius-sm: 12px;         /* M3 Rounded Corner Extra Small/Small */
  --radius-md: 16px;         /* M3 Rounded Corner Medium */
  --radius-lg: 28px;         /* M3 Rounded Corner Large/Extra Large (Pill profiles) */
  
  /* Quadrant Specific Colors (HSL for gradients) */
  /* Q1 - Do (Urgent & Important) */
  --q1-hue: 5;
  --q1-color: hsl(var(--q1-hue), 90%, 65%);
  --q1-bg: rgba(239, 68, 68, 0.12);
  --q1-border: rgba(239, 68, 68, 0.3);
  --q1-glow: rgba(239, 68, 68, 0.4);
 
  /* Q2 - Schedule (Important, Not Urgent) - Orange */
  --q2-hue: 24;
  --q2-color: hsl(var(--q2-hue), 95%, 60%);
  --q2-bg: rgba(249, 115, 22, 0.12);
  --q2-border: rgba(249, 115, 22, 0.3);
  --q2-glow: rgba(249, 115, 22, 0.4);
 
  /* Q3 - Delegate (Urgent, Not Important) - Yellow */
  --q3-hue: 48;
  --q3-color: hsl(var(--q3-hue), 95%, 55%);
  --q3-bg: rgba(234, 179, 8, 0.12);
  --q3-border: rgba(234, 179, 8, 0.3);
  --q3-glow: rgba(234, 179, 8, 0.4);
 
  /* Q4 - Eliminate (Not Urgent, Not Important) - Green */
  --q4-hue: 142;
  --q4-color: hsl(var(--q4-hue), 70%, 50%);
  --q4-bg: rgba(16, 185, 129, 0.1);
  --q4-border: rgba(16, 185, 129, 0.25);
  --q4-glow: rgba(16, 185, 129, 0.35);
 
  --transition-fast: 0.15s cubic-bezier(0.2, 0, 0, 1);
  --transition-normal: 0.25s cubic-bezier(0.2, 0, 0, 1);
  --transition-slow: 0.4s cubic-bezier(0.2, 0, 0, 1);
}
 
/* Light Theme Variables - Material Design 3 */
:root.light-mode {
  color-scheme: light;
  --bg-app: #fef7ff;         /* M3 Light Baseline */
  --bg-card: #f3edf7;        /* M3 Surface Container */
  --bg-card-hover: #eaddff;  /* M3 Surface Container High */
  --bg-sidebar: #f7f2fa;     /* M3 Surface Container Low */
  --border-color: rgba(103, 80, 164, 0.12); /* Deep purple border tint */
  --border-focus: rgba(103, 80, 164, 0.3);
  --text-primary: #1d1b20;
  --text-secondary: #49454f;
  --text-muted: #79747e;
  --accent: #6750a4;         /* M3 Light Primary / Deep Purple */
  --accent-hover: #4f378b;
  --accent-light: rgba(103, 80, 164, 0.08);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
 
  --q1-bg: rgba(239, 68, 68, 0.06);
  --q1-border: rgba(239, 68, 68, 0.2);
  --q2-bg: rgba(249, 115, 22, 0.06);
  --q2-border: rgba(249, 115, 22, 0.2);
  --q3-bg: rgba(234, 179, 8, 0.06);
  --q3-border: rgba(234, 179, 8, 0.2);
  --q4-bg: rgba(16, 185, 129, 0.06);
  --q4-border: rgba(16, 185, 129, 0.2);
}
 
/* Reset and Globals */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
 
html {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-primary);
  height: 100% !important;
  min-height: 100% !important;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Layout Containers */
.app-container {
  display: flex;
  flex: 1;
  min-height: 0 !important;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
  gap: 1.5rem;
  transition: margin-right var(--transition-slow);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  min-height: 0 !important;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  padding-top: calc(1rem + env(safe-area-inset-top, 0px));
  background: rgba(20, 18, 24, 0.95); /* Extremely opaque dark base to block clutter */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

:root.light-mode header {
  background: rgba(254, 247, 255, 0.95); /* Extremely opaque light base to block clutter */
}

:root.light-mode .sort-selector-container {
  background: rgba(0, 0, 0, 0.04) !important;
  border-color: rgba(0, 0, 0, 0.08) !important;
}

:root.light-mode .sort-selector-container svg {
  color: var(--text-secondary) !important;
}

:root.light-mode #matrix-sort-select {
  color: #111827 !important;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  background: linear-gradient(135deg, var(--q1-color), var(--q2-color));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.2rem;
  font-family: 'Outfit', sans-serif;
}

.logo-section h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Configurable Sorting Selector Desktop Styling */
.sort-selector-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  height: 36px;
  z-index: 10;
  max-width: 175px;
  overflow: hidden;
}



/* Common Interactive Controls */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  border-radius: 9999px; /* Pill profile */
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--bg-card);
  color: var(--text-primary);
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-secondary);
}

.btn-primary {
  background: var(--accent);
  color: white;
  border-color: transparent;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: transparent;
  transform: translateY(-1px);
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: 50%;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
}

.badge-status.syncing::after {
  content: '';
  width: 6px;
  height: 6px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse-glow 1.5s infinite;
}

/* Global Quick Add Input */
.global-add-section {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  position: relative !important;
  z-index: 80 !important;
  pointer-events: auto !important;
}

#open-detailed-add-btn {
  position: relative !important;
  z-index: 85 !important;
  pointer-events: auto !important;
}

#open-detailed-add-btn:hover {
  transform: scale(1.05) translateY(-1px) !important;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4) !important;
}

#open-detailed-add-btn:active {
  transform: scale(0.95) !important;
}

.input-container {
  position: relative;
  flex: 1;
}

.input-container svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 1.25rem;
  height: 1.25rem;
  pointer-events: none;
}

.input-text {
  width: 100%;
  padding: 0.75rem 1.25rem 0.75rem 2.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.input-text:focus {
  outline: none;
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 3px var(--accent-light);
}

/* Eisenhower Matrix Grid */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 1.5rem;
  flex: 1;
  min-height: 65vh;
}

/* Viewport Quadrant Isolation Filter Styles */
.matrix-grid.filter-active {
  grid-template-columns: 1fr !important;
  grid-template-rows: 1fr !important;
}

.matrix-grid.filter-q1 .quadrant:not(.quadrant-q1),
.matrix-grid.filter-q2 .quadrant:not(.quadrant-q2),
.matrix-grid.filter-q3 .quadrant:not(.quadrant-q3),
.matrix-grid.filter-q4 .quadrant:not(.quadrant-q4) {
  display: none !important;
}

.matrix-grid.filter-active .quadrant {
  min-height: 65vh !important;
}

/* Matrix Quadrant */
.quadrant {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
}

.quadrant::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  transition: background-color var(--transition-normal);
}

/* Specific Quadrant Themes */
.quadrant-q1::before { background-color: var(--q1-color); }
.quadrant-q1 { background: linear-gradient(180deg, var(--q1-bg), rgba(22, 29, 49, 0.4)); }
.quadrant-q1.drag-over { border-color: var(--q1-color); box-shadow: 0 0 25px var(--q1-glow); }

.quadrant-q2::before { background-color: var(--q2-color); }
.quadrant-q2 { background: linear-gradient(180deg, var(--q2-bg), rgba(22, 29, 49, 0.4)); }
.quadrant-q2.drag-over { border-color: var(--q2-color); box-shadow: 0 0 25px var(--q2-glow); }

.quadrant-q3::before { background-color: var(--q3-color); }
.quadrant-q3 { background: linear-gradient(180deg, var(--q3-bg), rgba(22, 29, 49, 0.4)); }
.quadrant-q3.drag-over { border-color: var(--q3-color); box-shadow: 0 0 25px var(--q3-glow); }

.quadrant-q4::before { background-color: var(--q4-color); }
.quadrant-q4 { background: linear-gradient(180deg, var(--q4-bg), rgba(22, 29, 49, 0.4)); }
.quadrant-q4.drag-over { border-color: var(--q4-color); box-shadow: 0 0 25px var(--q4-glow); }

/* Quadrant Header */
.quadrant-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.quadrant-title-area {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.quadrant-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  width: fit-content;
}

.quadrant-q1 .quadrant-badge { background: rgba(239, 68, 68, 0.2); color: var(--q1-color); }
.quadrant-q2 .quadrant-badge { background: rgba(14, 165, 233, 0.2); color: var(--q2-color); }
.quadrant-q3 .quadrant-badge { background: rgba(245, 158, 11, 0.2); color: var(--q3-color); }
.quadrant-q4 .quadrant-badge { background: rgba(139, 92, 246, 0.2); color: var(--q4-color); }

.quadrant-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.task-count {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
  border-radius: 50px;
  color: var(--text-secondary);
}

/* Quadrant Task List Container */
.task-list {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 120px;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  gap: 0.5rem;
  pointer-events: none;
  user-select: none;
  margin: auto 0;
}

.empty-state svg {
  width: 2.5rem;
  height: 2.5rem;
  opacity: 0.3;
}

.empty-state p {
  font-size: 0.85rem;
}

/* Task Item Card */
.task-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  cursor: grab;
  position: relative;
  transition: all var(--transition-normal);
  user-select: none;
  animation: fade-in var(--transition-normal);
}

.task-card:active {
  cursor: grabbing;
}

.task-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.task-card.dragging {
  opacity: 0.4;
  border: 1px dashed var(--accent);
  box-shadow: none;
}

/* Custom Checkbox Design */
.checkbox-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  user-select: none;
  margin-top: 0.15rem;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  height: 1.15rem;
  width: 1.15rem;
  background-color: transparent;
  border: 2px solid var(--text-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--accent);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--accent);
  border-color: var(--accent);
  animation: checkbox-ripple 0.4s ease-out;
}

.checkmark::after {
  content: "";
  display: none;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-bottom: 2px;
}

.checkbox-container input:checked ~ .checkmark::after {
  display: block;
}

/* Task Details inside Card */
.task-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  overflow: hidden;
}

.task-title {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
  word-break: break-word;
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
}

.task-card.completed .task-title {
  color: var(--text-muted);
  text-decoration: line-through;
}

.task-notes {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.2rem;
}

.task-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
}

.task-tag.tag-q1 { background: var(--q1-bg); color: var(--q1-color); }
.task-tag.tag-q2 { background: var(--q2-bg); color: var(--q2-color); }
.task-tag.tag-q3 { background: var(--q3-bg); color: var(--q3-color); }
.task-tag.tag-q4 { background: var(--q4-bg); color: var(--q4-color); }

.task-due {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.task-due.overdue {
  color: hsl(0, 90%, 65%);
}

.task-effort-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.task-effort-badge svg {
  opacity: 0.65;
  color: var(--accent);
}

/* Priority Badges */
.task-priority-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.task-priority-badge.priority-p0 {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.35);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.2);
}

.task-priority-badge.priority-p1 {
  background: rgba(249, 115, 22, 0.15);
  color: #ff8838;
  border: 1px solid rgba(249, 115, 22, 0.35);
}

.task-priority-badge.priority-p2 {
  background: rgba(234, 179, 8, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(234, 179, 8, 0.35);
}

/* Custom Tag Badges */
.task-tag-custom {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

/* Light mode high-contrast overrides for priority badges */
:root.light-mode .task-priority-badge.priority-p0 {
  background: rgba(239, 68, 68, 0.12) !important;
  color: #dc2626 !important;
  border-color: rgba(239, 68, 68, 0.3) !important;
}

:root.light-mode .task-priority-badge.priority-p1 {
  background: rgba(249, 115, 22, 0.12) !important;
  color: #ea580c !important;
  border-color: rgba(249, 115, 22, 0.3) !important;
}

:root.light-mode .task-priority-badge.priority-p2 {
  background: rgba(234, 179, 8, 0.12) !important;
  color: #a16207 !important;
  border-color: rgba(234, 179, 8, 0.3) !important;
}

.task-subtasks-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-fast);
}

.task-subtasks-badge svg {
  opacity: 0.65;
  color: var(--accent);
}

.task-subtasks-badge.all-done {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.25);
}

.task-subtasks-badge.all-done svg {
  color: #10b981;
}

/* Subtask Row Interactive Aesthetics */
.subtask-row {
  transition: all var(--transition-fast);
}

.subtask-row:hover {
  background: rgba(255, 255, 255, 0.06) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
}

.subtask-row-input:focus {
  color: white !important;
}

.delete-subtask-row-btn {
  transition: all var(--transition-fast);
}

.delete-subtask-row-btn:hover {
  color: var(--q1-color) !important;
  transform: scale(1.1);
}

/* Progress bar inside card */
.task-progress-bar-container {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 0.6rem;
  position: relative;
}

.task-progress-bar {
  height: 100%;
  border-radius: 10px;
  background: var(--accent);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Gradients matching quadrant glows */
.quadrant-q1 .task-progress-bar {
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.6), var(--q1-color));
  box-shadow: 0 0 4px rgba(239, 68, 68, 0.3);
}
.quadrant-q2 .task-progress-bar {
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.6), var(--q2-color));
  box-shadow: 0 0 4px rgba(14, 165, 233, 0.3);
}
.quadrant-q3 .task-progress-bar {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.6), var(--q3-color));
  box-shadow: 0 0 4px rgba(245, 158, 11, 0.3);
}
.quadrant-q4 .task-progress-bar {
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.6), var(--q4-color));
  box-shadow: 0 0 4px rgba(139, 92, 246, 0.3);
}
.inbox-task-list .task-progress-bar {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), var(--text-muted));
}

.task-actions {
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.task-card:hover .task-actions {
  opacity: 1;
}

.task-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.task-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.task-btn-delete:hover {
  color: var(--q1-color);
  background: rgba(239, 68, 68, 0.1);
}

/* Sliding Sidebar (Inbox) */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 380px;
  background: var(--bg-sidebar);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-color);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-lg);
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  padding-top: calc(1.5rem + env(safe-area-inset-top, 0px)) !important;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
  font-size: 1.2rem;
  font-weight: 600;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sidebar-inbox-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 200px;
  padding-bottom: 2rem;
}

.sidebar-inbox-list.drag-over {
  border: 2px dashed var(--accent);
  border-radius: var(--radius-md);
  background: var(--accent-light);
}

/* Backdrop Overlay for Modals & Sidebar */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.overlay.open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

/* Modal Dialogs */
.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  z-index: 110;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal), visibility var(--transition-normal);
  display: flex;
  flex-direction: column;
  max-height: 85vh;
  box-sizing: border-box;
}

.modal.open {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.3rem;
  font-weight: 700;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
  flex: 1;
  padding-right: 0.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
}

/* Global Select and Option custom chevrons and high-contrast theme styling */
select.form-control,
#edit-task-priority {
  background-color: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  background-image: url("data:image/svg+xml;utf8,<svg fill='none' stroke='%2394a3b8' stroke-width='2' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><path stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'></path></svg>") !important;
  background-repeat: no-repeat !important;
  background-position: right 0.75rem center !important;
  background-size: 14px !important;
  padding-right: 2.25rem !important;
}

#matrix-sort-select {
  color: var(--text-primary) !important;
  text-align: left !important;
  text-align-last: left !important;
  padding-left: 2.5rem !important;
  padding-right: 1.5rem !important;
}

/* Force legible options contrast on both desktop and mobile dropdown listings */
select option {
  background-color: #141218; /* Solid Material Design 3 Dark container background */
  color: #e6e1e5;             /* Solid MD3 Dark text */
}

/* Specific styling for Light Mode selectors */
:root.light-mode select.form-control,
:root.light-mode #edit-task-priority {
  background-color: #ffffff !important;
  color: #111827 !important;
  border-color: rgba(0, 0, 0, 0.12) !important;
  background-image: url("data:image/svg+xml;utf8,<svg fill='none' stroke='%234b5563' stroke-width='2' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><path stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'></path></svg>") !important;
}

:root.light-mode #matrix-sort-select {
  color: #111827 !important;
}

:root.light-mode select option {
  background-color: #ffffff;
  color: #111827;
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* OAuth Config Info Alert */
.info-alert {
  background: var(--accent-light);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.info-alert code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-family: monospace;
  color: var(--text-primary);
}

.info-alert ol {
  margin-left: 1.2rem;
  margin-top: 0.4rem;
}

.info-alert li {
  margin-bottom: 0.3rem;
}

/* Animations */
@keyframes checkbox-ripple {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.3); }
  50% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(99, 102, 241, 0.2); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

@keyframes pulse-glow {
  0% { opacity: 0.4; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { opacity: 1; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { opacity: 0.4; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tabbed Navigation inside Modals */
.modal-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  padding-bottom: 2px;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--accent-light);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.tab-content {
  display: none;
  animation: fade-in var(--transition-normal);
}

.tab-content.active {
  display: block;
}

/* Quick Quadrant Bar styling */
.quick-quadrant-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  width: 100%;
}

.quick-quad-btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1.25rem;
  border-radius: 9999px; /* Pill capsule profile for M3 */
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  z-index: 10;
  pointer-events: auto;
}

.quick-btn-q1 {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.35);
}
.quick-btn-q2 {
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.35);
}
.quick-btn-q3 {
  background: rgba(234, 179, 8, 0.08);
  border: 1px solid rgba(234, 179, 8, 0.35);
}
.quick-btn-q4 {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

/* Active Quadrant Filtering Glow Indicators */
.quick-quad-btn.active-filter {
  background: var(--bg-card-hover) !important;
  border-width: 2px !important;
  transform: translateY(-2px) !important;
}

.quick-quad-btn.quick-btn-q1.active-filter {
  border-color: var(--q1-color) !important;
  box-shadow: 0 0 15px var(--q1-glow) !important;
}

.quick-quad-btn.quick-btn-q2.active-filter {
  border-color: var(--q2-color) !important;
  box-shadow: 0 0 15px var(--q2-glow) !important;
}

.quick-quad-btn.quick-btn-q3.active-filter {
  border-color: var(--q3-color) !important;
  box-shadow: 0 0 15px var(--q3-glow) !important;
}

.quick-quad-btn.quick-btn-q4.active-filter {
  border-color: var(--q4-color) !important;
  box-shadow: 0 0 15px var(--q4-glow) !important;
}

/* Light mode high-contrast pastel overrides to prevent blending into white */
:root.light-mode .quick-btn-q1 {
  background: rgba(239, 68, 68, 0.12) !important;
  border-color: rgba(239, 68, 68, 0.4) !important;
}
:root.light-mode .quick-btn-q2 {
  background: rgba(14, 165, 233, 0.12) !important;
  border-color: rgba(14, 165, 233, 0.4) !important;
}
:root.light-mode .quick-btn-q3 {
  background: rgba(245, 158, 11, 0.12) !important;
  border-color: rgba(245, 158, 11, 0.4) !important;
}
:root.light-mode .quick-btn-q4 {
  background: rgba(139, 92, 246, 0.12) !important;
  border-color: rgba(139, 92, 246, 0.4) !important;
}

.quick-quad-btn::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%; /* Perfect round indicator dot */
  margin-right: 0.15rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.quick-btn-q1::before { background: var(--q1-color); }
.quick-btn-q2::before { background: var(--q2-color); }
.quick-btn-q3::before { background: var(--q3-color); }
.quick-btn-q4::before { background: var(--q4-color); }

.quick-quad-btn:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.quick-btn-q1:hover {
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.15);
}
.quick-btn-q2:hover {
  border-color: rgba(14, 165, 233, 0.4);
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.15);
}
.quick-btn-q3:hover {
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.15);
}
.quick-btn-q4:hover {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.15);
}

.quick-quad-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.quick-btn-q1 .quick-quad-badge { background: rgba(239, 68, 68, 0.12); color: var(--q1-color); }
.quick-btn-q2 .quick-quad-badge { background: rgba(14, 165, 233, 0.12); color: var(--q2-color); }
.quick-btn-q3 .quick-quad-badge { background: rgba(245, 158, 11, 0.12); color: var(--q3-color); }
.quick-btn-q4 .quick-quad-badge { background: rgba(139, 92, 246, 0.12); color: var(--q4-color); }

.quick-quad-label {
  flex: 1;
  text-align: left;
  font-size: 0.85rem;
}

.quick-quad-count {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.1rem 0.5rem;
  border-radius: 20px;
}

.quick-quad-plus {
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.quick-quad-btn:hover .quick-quad-plus {
  color: var(--text-primary);
}

/* Custom range slider thumb styling */
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent) !important;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
  transition: transform var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .matrix-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .quadrant {
    min-height: 350px;
  }
}

@media (max-width: 850px) {
  header {
    padding-top: calc(0.5rem + env(safe-area-inset-top, 0px)) !important;
    padding-bottom: 0.5rem !important;
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }
  .logo-section h1 {
    display: none; /* Hide brand name on tiny screens */
  }
  .logo-section {
    gap: 0.35rem !important;
  }
  .logo-icon {
    width: 2rem !important;
    height: 2rem !important;
    font-size: 1.1rem !important;
  }
  
  /* Render connection badge as a simple status dot on mobile */
  .badge-status {
    padding: 0 !important;
    width: 8px !important;
    height: 8px !important;
    min-width: 8px !important;
    border-radius: 50% !important;
    font-size: 0 !important;
    color: transparent !important;
    border-width: 1px !important;
    border-style: solid !important;
    overflow: hidden !important;
    margin: 0 0 0 2px !important;
  }
  
  /* Responsive Header Controls for Mobile */
  .header-controls {
    gap: 0.35rem !important;
  }
  .header-controls .btn {
    padding: 0 !important;
    width: 2.25rem !important;
    height: 2.25rem !important;
    border-radius: 50% !important;
    position: relative !important;
  }
  .header-controls .btn span:not(.task-count) {
    display: none !important; /* Hide text, show only icon */
  }
  
  /* Overlay task count badge absolutely on top-right of the circular button */
  .header-controls .btn #inbox-count {
    position: absolute !important;
    top: -4px !important;
    right: -4px !important;
    margin: 0 !important;
    background: #ec4899 !important;
    color: white !important;
    font-size: 0.65rem !important;
    border: 1px solid var(--bg-app) !important;
    padding: 0.1rem 0.35rem !important;
    font-weight: 700 !important;
    z-index: 5 !important;
  }
  
  /* Responsive Modal Layout Collapsing */
  .modal {
    padding: 1.25rem 1.5rem !important;
    width: 95% !important;
    max-height: 85% !important;
    overflow-y: auto !important;
    box-sizing: border-box !important;
  }

  .modal-body {
    gap: 0.75rem !important;
  }

  .modal-body > div[style*="display: flex"],
  .modal-body > div[style*="display:flex"] {
    flex-direction: column !important;
    gap: 0.75rem !important;
  }

  .modal-body > div[style*="display: flex"] > div,
  .modal-body > div[style*="display:flex"] > div {
    width: 100% !important;
    margin: 0 !important;
  }

  /* Stack footer buttons on mobile so they don't stretch modal width */
  .modal-footer {
    display: flex !important;
    flex-direction: column-reverse !important;
    gap: 0.65rem !important;
    margin-top: 1.25rem !important;
    width: 100% !important;
    justify-content: stretch !important;
  }
  
  .modal-footer > div {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.65rem !important;
    width: 100% !important;
  }
  
  .modal-footer .btn {
    width: 100% !important;
    margin: 0 !important;
    justify-content: center !important;
    box-sizing: border-box !important;
  }
  
  .main-content {
    padding: 1rem;
  }
  .sidebar {
    width: 100%;
  }

  /* Mobile Quick Quadrant Bar styling */
  .quick-quadrant-bar {
    gap: 0.5rem;
    margin-bottom: 1rem;
    position: relative !important;
    z-index: 60 !important;
    pointer-events: auto !important;
  }
  .quick-quad-btn {
    padding: 0.5rem;
    justify-content: center;
    gap: 0.25rem;
    flex-direction: column;
    text-align: center;
    position: relative !important;
    z-index: 70 !important;
    pointer-events: auto !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .quick-quad-label {
    display: none; /* Hide label text to make it extremely compact */
  }
  .quick-quad-badge {
    font-size: 0.65rem;
    padding: 0.1rem 0.3rem;
  }
  .quick-quad-count {
    font-size: 0.75rem;
    padding: 0 0.35rem;
  }
  .quick-quad-plus {
    display: none; /* Hide plus sign on mobile */
  }
}

/* ==========================================
 * C. GOOGLE FIREBASE SPECIFIC STYLING
 * ========================================== */

@keyframes pulse-cyan-glow {
  0% { opacity: 0.6; box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.6); }
  70% { opacity: 1; box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
  100% { opacity: 0.6; box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.badge-status.firebase-active {
  background: rgba(6, 182, 212, 0.15) !important;
  color: #06b6d4 !important;
  border: 1px solid rgba(6, 182, 212, 0.4) !important;
  animation: pulse-cyan-glow 2s infinite !important;
}

details {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.12);
  transition: all var(--transition-fast);
  padding: 0.5rem 0.75rem;
}

details[open] {
  background: rgba(0, 0, 0, 0.25);
  border-color: var(--border-focus);
}

details summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::after {
  content: '▼';
  font-size: 0.65rem;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

details[open] summary::after {
  transform: rotate(180deg);
}

#firebase-config-json {
  resize: vertical;
  background: rgba(0, 0, 0, 0.3) !important;
  color: #38bdf8 !important;
  border-color: var(--border-color);
}

#firebase-anon-btn {
  transition: all var(--transition-normal);
}

#firebase-anon-btn:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
  transform: translateY(-1px);
}

/* Sidebar Tabs active/hover overrides */
.sidebar-tab-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.sidebar-tab-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.sidebar-tab-btn.active {
  background: var(--bg-card-hover) !important;
  color: var(--text-primary) !important;
  border-color: var(--accent) !important;
  font-weight: 600;
}

/* Pomodoro Widget & Breathing HSL glowing pulses */
@keyframes pomodoro-breathe-q1 {
  0% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.1); }
  50% { box-shadow: 0 0 25px rgba(239, 68, 68, 0.45); }
  100% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.1); }
}
@keyframes pomodoro-breathe-q2 {
  0% { box-shadow: 0 0 10px rgba(249, 115, 22, 0.1); }
  50% { box-shadow: 0 0 25px rgba(249, 115, 22, 0.45); }
  100% { box-shadow: 0 0 10px rgba(249, 115, 22, 0.1); }
}
@keyframes pomodoro-breathe-q3 {
  0% { box-shadow: 0 0 10px rgba(234, 179, 8, 0.1); }
  50% { box-shadow: 0 0 25px rgba(234, 179, 8, 0.45); }
  100% { box-shadow: 0 0 10px rgba(234, 179, 8, 0.1); }
}
@keyframes pomodoro-breathe-q4 {
  0% { box-shadow: 0 0 10px rgba(16, 185, 129, 0.1); }
  50% { box-shadow: 0 0 25px rgba(16, 185, 129, 0.45); }
  100% { box-shadow: 0 0 10px rgba(16, 185, 129, 0.1); }
}
@keyframes pomodoro-breathe-default {
  0% { box-shadow: 0 0 10px rgba(99, 102, 241, 0.1); }
  50% { box-shadow: 0 0 25px rgba(99, 102, 241, 0.35); }
  100% { box-shadow: 0 0 10px rgba(99, 102, 241, 0.1); }
}

#pomodoro-widget.breathe-q1 .pomodoro-card { animation: pomodoro-breathe-q1 2s infinite !important; border-color: rgba(239, 68, 68, 0.4) !important; }
#pomodoro-widget.breathe-q2 .pomodoro-card { animation: pomodoro-breathe-q2 2s infinite !important; border-color: rgba(249, 115, 22, 0.4) !important; }
#pomodoro-widget.breathe-q3 .pomodoro-card { animation: pomodoro-breathe-q3 2s infinite !important; border-color: rgba(234, 179, 8, 0.4) !important; }
#pomodoro-widget.breathe-q4 .pomodoro-card { animation: pomodoro-breathe-q4 2s infinite !important; border-color: rgba(16, 185, 129, 0.4) !important; }
#pomodoro-widget.breathe-default .pomodoro-card { animation: pomodoro-breathe-default 2s infinite !important; border-color: rgba(99, 102, 241, 0.25) !important; }

/* Pomodoro active task styling inside widget */
.pomodoro-active-task-running {
  font-weight: 600 !important;
  color: var(--text-primary) !important;
}

/* Permanent delete archive restore buttons */
.archive-restore-btn, .archive-delete-btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.archive-restore-btn {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.25);
}
.archive-restore-btn:hover {
  background: rgba(16, 185, 129, 0.2);
}
.archive-delete-btn {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.archive-delete-btn:hover {
  background: rgba(239, 68, 68, 0.2);
}

/* De-glitch and resolve Android WebView backdrop-filter hardware-acceleration black-out bugs */
.is-android-webview *,
.is-android-webview ::before,
.is-android-webview ::after {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

/* Fallback robust background colors for Android Webview without glassmorphic transparency issues */
.is-android-webview header {
  background: #141218 !important; /* M3 Dark Surface Container */
}
:root.light-mode.is-android-webview header {
  background: #f3edf7 !important; /* M3 Light Surface Container */
}

.is-android-webview .overlay {
  background: rgba(11, 15, 25, 0.92) !important; /* Solid fallback modal overlay background */
}
:root.light-mode.is-android-webview .overlay {
  background: rgba(255, 255, 255, 0.9) !important; /* Solid fallback light overlay background */
}

.is-android-webview .modal {
  background: #1d1b20 !important; /* Solid robust modal dialog background */
}
:root.light-mode.is-android-webview .modal {
  background: #f7f2fa !important; /* Solid robust light modal background */
}

.is-android-webview .pomodoro-card {
  background: #211f26 !important; /* Solid robust focus widget card background */
}
:root.light-mode.is-android-webview .pomodoro-card {
  background: #f3edf7 !important; /* Solid robust light focus widget card background */
}

.is-android-webview .sidebar {
  background: #141218 !important; /* Solid robust sidebar drawer background */
}
:root.light-mode.is-android-webview .sidebar {
  background: #f3edf7 !important; /* Solid robust light sidebar drawer background */
}

.is-android-webview #coachmark-overlay {
  background: rgba(11, 15, 25, 0.95) !important; /* Solid dark theme overlay fallback */
}
:root.light-mode.is-android-webview #coachmark-overlay {
  background: rgba(255, 255, 255, 0.95) !important; /* Solid light theme overlay fallback */
}

/* Ultra-narrow screen responsive header optimization (Samsung Galaxy Z Flip, split screen etc.) */
@media (max-width: 420px) {
  header {
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
  }
  .header-controls {
    gap: 0.25rem !important;
  }
  .header-controls .btn {
    width: 2rem !important;
    height: 2rem !important;
  }
  .sort-selector-container {
    width: 2rem !important;
    height: 2rem !important;
  }
}
/* Premium styled view select dropdown */
.view-select-container,
.sort-selector-container-new {
  position: relative;
  display: inline-block;
  min-width: 170px;
}

.view-dropdown {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  padding: 0.65rem 2.25rem 0.65rem 2.25rem;
  font-size: 0.82rem;
  font-family: inherit;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  text-align: center;
  text-align-last: center;
  transition: all var(--transition-normal);
}

.view-dropdown:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent);
}

.view-dropdown:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.view-dropdown-icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Light mode overrides */
:root.light-mode .view-dropdown {
  background: var(--bg-card);
}

/* E-paper theme overrides */
.theme-epaper .view-dropdown {
  background: transparent !important;
  border-width: 2px !important;
}
.theme-epaper .view-dropdown:focus {
  box-shadow: none !important;
}

/* Responsive display overrides for selectors */
.view-select-container {
  display: none !important; /* Hide dropdown on desktop */
}
.view-toggle-container {
  display: flex !important; /* Show pill slider on desktop */
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  padding: 0.25rem;
  width: 380px;
  min-width: 380px;
  max-width: 480px;
  margin: 0;
  position: relative;
  box-sizing: border-box;
}

.view-toggle-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: transparent;
  border: none;
  padding: 0.6rem 1.2rem;
  font-size: 0.8rem;
  font-family: inherit;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 9999px;
  transition: color 0.3s ease;
  position: relative;
  z-index: 2;
  outline: none;
  white-space: nowrap;
}

.view-toggle-btn.active {
  color: #141218 !important;
}

:root.light-mode .view-toggle-btn.active {
  color: #ffffff !important;
}

/* Quick Actions Capsule Button Active and Hover States */
.quick-action-active {
  background: var(--accent) !important;
  color: #141218 !important; /* Premium dark contrast text */
}
:root.light-mode .quick-action-active {
  color: #ffffff !important; /* Premium light contrast text */
}
.theme-epaper .quick-action-active {
  background: var(--text-primary) !important;
  color: var(--bg-app) !important;
}
.theme-pastel .quick-action-active {
  color: #141218 !important;
}
:root.light-mode.theme-pastel .quick-action-active {
  color: #ffffff !important;
}

#quick-toggle-completed-btn:hover,
#quick-archive-completed-btn:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--text-primary) !important;
}
:root.light-mode #quick-toggle-completed-btn:hover,
:root.light-mode #quick-archive-completed-btn:hover {
  background: rgba(0, 0, 0, 0.05) !important;
  color: var(--text-primary) !important;
}

.view-toggle-indicator {
  position: absolute;
  top: 0.25rem;
  left: 0.25rem;
  width: calc(25% - 0.125rem);
  height: calc(100% - 0.5rem);
  background: var(--accent) !important;
  border-radius: 9999px;
  transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

.btn-text-mobile {
  display: none;
}
.btn-text-desktop {
  display: inline;
}

@media (max-width: 768px) {
  .view-select-container {
    display: inline-block !important; /* Show dropdown on mobile */
    min-width: 130px;
  }
  .sort-selector-container-new {
    display: inline-block !important;
    min-width: 46px !important;
    width: 46px !important;
    height: 46px !important;
    border: 1px solid var(--border-color);
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.03);
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
  }
  .sort-selector-container-new #matrix-sort-select {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    opacity: 0 !important;
    cursor: pointer;
    z-index: 5;
    padding: 0 !important;
  }
  .sort-selector-container-new .sort-icon-wrapper {
    position: absolute;
    left: 50% !important;
    top: 50% !important;
    transform: translate(-50%, -50%) !important;
    color: var(--text-primary) !important;
    margin: 0 !important;
    padding: 0 !important;
    opacity: 1 !important;
  }
  .sort-selector-container-new .view-dropdown-icon {
    display: none !important;
  }
  .view-toggle-container {
    display: none !important; /* Hide pill slider on mobile */
  }
  .view-dropdown {
    padding: 0.55rem 1.85rem 0.55rem 1.85rem;
    font-size: 0.78rem;
  }
}

/* Dashboard Segment Rows */
.dash-quad-row {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
  transition: border-color 0.2s, background 0.2s;
}

.dash-quad-row:hover {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(99, 102, 241, 0.25);
}

.dash-quad-row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dash-quad-pill {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dash-quad-pill.q1 { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.dash-quad-pill.q2 { background: rgba(249, 115, 22, 0.15); color: #fb923c; border: 1px solid rgba(249, 115, 22, 0.3); }
.dash-quad-pill.q3 { background: rgba(234, 179, 8, 0.15); color: #facc15; border: 1px solid rgba(234, 179, 8, 0.3); }
.dash-quad-pill.q4 { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }

:root.light-mode .dash-quad-pill.q1 { background: rgba(239, 68, 68, 0.1); color: #dc2626; border-color: rgba(239, 68, 68, 0.2); }
:root.light-mode .dash-quad-pill.q2 { background: rgba(249, 115, 22, 0.1); color: #ea580c; border-color: rgba(249, 115, 22, 0.2); }
:root.light-mode .dash-quad-pill.q3 { background: rgba(234, 179, 8, 0.1); color: #ca8a04; border-color: rgba(234, 179, 8, 0.2); }
:root.light-mode .dash-quad-pill.q4 { background: rgba(16, 185, 129, 0.1); color: #16a34a; border-color: rgba(16, 185, 129, 0.2); }

.dash-quad-count {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.dash-empty-state {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 0.25rem 0;
}

/* ==========================================
 * VOICE TASK CREATION PREMIUM STYLES
 * ========================================== */

.btn-voice {
  height: 46px;
  width: 46px;
  border-radius: 50% !important;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-voice:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  border-color: rgba(99, 102, 241, 0.35);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.btn-voice.listening {
  background: rgba(239, 68, 68, 0.15) !important;
  color: #ef4444 !important;
  border-color: rgba(239, 68, 68, 0.4) !important;
  animation: voice-btn-pulse 1.5s infinite ease-in-out;
}

@keyframes voice-btn-pulse {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

#voice-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100% !important;
  height: 100% !important;
  background: rgba(11, 15, 25, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99995;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s ease-out, visibility 0.4s ease-out;
}

#voice-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.voice-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  position: relative;
  text-align: center;
}

.voice-mic-glow-outer {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 85px;
  height: 85px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.08);
}

.voice-mic-glow-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 65px;
  height: 65px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
  z-index: 2;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.voice-mic-glow-inner:active {
  transform: scale(0.95);
}

.voice-mic-glow-outer::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0.4;
  animation: voice-mic-expand 2s infinite ease-out;
}

@keyframes voice-mic-expand {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* Beautiful Animated Waveform Visualizer */
.voice-wave-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  width: 100%;
  margin: 0.5rem 0;
}

.voice-wave-bar {
  width: 5px;
  height: 8px;
  background: linear-gradient(to top, #6366f1, #10b981);
  border-radius: 999px;
  animation: voice-wave-dance 1.2s infinite ease-in-out;
  transform-origin: center;
}

.voice-wave-bar:nth-child(2) { animation-delay: 0.15s; height: 12px; }
.voice-wave-bar:nth-child(3) { animation-delay: 0.3s; height: 20px; }
.voice-wave-bar:nth-child(4) { animation-delay: 0.45s; height: 32px; }
.voice-wave-bar:nth-child(5) { animation-delay: 0.6s; height: 18px; }
.voice-wave-bar:nth-child(6) { animation-delay: 0.75s; height: 10px; }

@keyframes voice-wave-dance {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(2.8); }
}

.voice-status-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(to right, #6366f1, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.voice-status-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
}

.voice-transcript-box {
  width: 100%;
  min-height: 90px;
  max-height: 150px;
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.5;
  text-align: left;
  box-sizing: border-box;
}

.voice-transcript-placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.voice-card-footer {
  display: flex;
  width: 100%;
  gap: 0.75rem;
}

.voice-card-footer .btn {
  flex: 1;
}

/* Light mode overrides */
:root.light-mode #voice-overlay {
  background: rgba(254, 247, 255, 0.95);
}

:root.light-mode .voice-transcript-box {
  background: rgba(0, 0, 0, 0.03);
}

/* ==========================================
 * PASTEL WORKSPACE THEME
 * ========================================== */

.theme-pastel {
  --accent: #c7d2fe;
  --accent-hover: #a5b4fc;
  
  /* Q1 - Pastel Red */
  --q1-color: #fca5a5;
  --q1-bg: rgba(252, 165, 165, 0.08);
  --q1-border: rgba(252, 165, 165, 0.25);
  --q1-glow: rgba(252, 165, 165, 0.2);

  /* Q2 - Pastel Orange */
  --q2-color: #fdba74;
  --q2-bg: rgba(253, 186, 116, 0.08);
  --q2-border: rgba(253, 186, 116, 0.25);
  --q2-glow: rgba(253, 186, 116, 0.2);

  /* Q3 - Pastel Yellow */
  --q3-color: #fde047;
  --q3-bg: rgba(253, 224, 71, 0.08);
  --q3-border: rgba(253, 224, 71, 0.25);
  --q3-glow: rgba(253, 224, 71, 0.2);

  /* Q4 - Pastel Green */
  --q4-color: #86efac;
  --q4-bg: rgba(134, 239, 172, 0.06);
  --q4-border: rgba(134, 239, 172, 0.2);
  --q4-glow: rgba(134, 239, 172, 0.15);
}

:root.light-mode.theme-pastel {
  --accent: #4f46e5;
  --bg-app: #f5f3ff;
  --bg-card: #e8e5f8;
  --bg-card-hover: #ddd9f3;
  --border-color: rgba(79, 70, 229, 0.08);
  
  --q1-bg: rgba(239, 68, 68, 0.04);
  --q1-border: rgba(239, 68, 68, 0.18);
  --q1-color: #dc2626;

  --q2-bg: rgba(249, 115, 22, 0.04);
  --q2-border: rgba(249, 115, 22, 0.18);
  --q2-color: #ea580c;

  --q3-bg: rgba(234, 179, 8, 0.04);
  --q3-border: rgba(234, 179, 8, 0.18);
  --q3-color: #b45309;

  --q4-bg: rgba(16, 185, 129, 0.04);
  --q4-border: rgba(16, 185, 129, 0.15);
  --q4-color: #16a34a;
}

/* ==========================================
 * EPAPER MONOCHROME THEME
 * ========================================== */

.theme-epaper {
  /* Dark mode E-Paper (High contrast dark E-ink style) */
  --bg-app: #000000;
  --bg-card: #121212;
  --bg-card-hover: #1e1e1e;
  --bg-sidebar: #0a0a0a;
  --border-color: #444444;
  --border-focus: #ffffff;
  --text-primary: #ffffff;
  --text-secondary: #dddddd;
  --text-muted: #888888;
  --accent: #ffffff;
  --accent-hover: #e0e0e0;
  --accent-light: rgba(255, 255, 255, 0.15);
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;

  --q1-color: #ffffff;
  --q1-bg: rgba(255, 255, 255, 0.02);
  --q1-border: #ffffff;
  --q1-glow: none;

  --q2-color: #ffffff;
  --q2-bg: rgba(255, 255, 255, 0.02);
  --q2-border: #cccccc;
  --q2-glow: none;

  --q3-color: #ffffff;
  --q3-bg: rgba(255, 255, 255, 0.02);
  --q3-border: #aaaaaa;
  --q3-glow: none;

  --q4-color: #ffffff;
  --q4-bg: rgba(255, 255, 255, 0.02);
  --q4-border: #888888;
  --q4-glow: none;
}

:root.light-mode.theme-epaper {
  /* Light mode E-Paper (Traditional E-Ink White Paper) */
  --bg-app: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f3f4f6;
  --bg-sidebar: #f9fafb;
  --border-color: #000000;
  --border-focus: #000000;
  --text-primary: #000000;
  --text-secondary: #1f2937;
  --text-muted: #4b5563;
  --accent: #000000;
  --accent-hover: #1f2937;
  --accent-light: rgba(0, 0, 0, 0.08);
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;

  --q1-color: #000000;
  --q1-bg: #ffffff;
  --q1-border: #000000;
  --q1-glow: none;

  --q2-color: #000000;
  --q2-bg: #ffffff;
  --q2-border: #000000;
  --q2-glow: none;

  --q3-color: #000000;
  --q3-bg: #ffffff;
  --q3-border: #000000;
  --q3-glow: none;

  --q4-color: #000000;
  --q4-bg: #ffffff;
  --q4-border: #000000;
  --q4-glow: none;
}

/* ==========================================
 * D. GLOBAL UNIFIED AESTHETIC ALIGNMENTS
 * ========================================== */

/* Unify all primary action buttons across all modals and screens */
.btn-primary,
#open-detailed-add-btn,
#voice-confirm-btn,
#save-task-btn,
#firebase-anon-btn,
#email-on-demand-btn,
#generate-qr-btn,
#firebase-config-save-btn {
  background: var(--accent) !important;
  color: #141218 !important; /* Premium dark text for contrast on lavender/pastels */
  border: 1px solid transparent !important;
  box-shadow: 0 4px 14px var(--accent-light) !important;
}

/* Light mode adjustments for primary text contrast */
:root.light-mode .btn-primary,
:root.light-mode #open-detailed-add-btn,
:root.light-mode #voice-confirm-btn,
:root.light-mode #save-task-btn,
:root.light-mode #firebase-anon-btn,
:root.light-mode #email-on-demand-btn,
:root.light-mode #generate-qr-btn,
:root.light-mode #firebase-config-save-btn {
  color: #ffffff !important; /* Pure white text on deep purples/indigos */
}

/* Primary buttons hover adjustments */
.btn-primary:hover,
#open-detailed-add-btn:hover,
#voice-confirm-btn:hover,
#save-task-btn:hover,
#firebase-anon-btn:hover,
#email-on-demand-btn:hover,
#generate-qr-btn:hover,
#firebase-config-save-btn:hover {
  background: var(--accent-hover) !important;
  transform: translateY(-1px) !important;
}

/* SVG icons inside primary actions */
.btn-primary svg,
#open-detailed-add-btn svg,
#voice-confirm-btn svg,
#save-task-btn svg,
#firebase-anon-btn svg,
#email-on-demand-btn svg {
  stroke: #141218 !important;
}
:root.light-mode .btn-primary svg,
:root.light-mode #open-detailed-add-btn svg,
:root.light-mode #voice-confirm-btn svg,
:root.light-mode #save-task-btn svg,
:root.light-mode #firebase-anon-btn svg,
:root.light-mode #email-on-demand-btn svg {
  stroke: #ffffff !important;
}

/* Unify all secondary actions */
.btn:not(.btn-primary):not(.tag-filter-btn):not(#firebase-anon-btn):not(#email-on-demand-btn):not(#generate-qr-btn):not(#firebase-config-save-btn),
#firebase-google-btn,
#firebase-logout-btn,
#firebase-config-reset-btn,
#export-backup-btn,
#firebase-add-list-btn {
  background: rgba(255, 255, 255, 0.03) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: none !important;
}

:root.light-mode .btn:not(.btn-primary):not(.tag-filter-btn):not(#firebase-anon-btn):not(#email-on-demand-btn):not(#generate-qr-btn):not(#firebase-config-save-btn),
:root.light-mode #firebase-google-btn,
:root.light-mode #firebase-logout-btn,
:root.light-mode #firebase-config-reset-btn,
:root.light-mode #export-backup-btn,
:root.light-mode #firebase-add-list-btn {
  background: #ffffff !important;
  color: var(--text-primary) !important;
  border: 1px solid rgba(0, 0, 0, 0.12) !important;
}

/* Secondary hover */
.btn:not(.btn-primary):not(.tag-filter-btn):not(#firebase-anon-btn):not(#email-on-demand-btn):not(#generate-qr-btn):not(#firebase-config-save-btn):hover,
#firebase-google-btn:hover,
#firebase-logout-btn:hover,
#firebase-config-reset-btn:hover,
#export-backup-btn:hover,
#firebase-add-list-btn:hover {
  background: var(--bg-card-hover) !important;
  border-color: var(--accent) !important;
}

/* Unify voice button hover state */
.btn-voice:hover {
  background: var(--accent-light) !important;
  color: var(--accent) !important;
  border-color: var(--accent) !important;
}

/* Unify settings active user badge */
#firebase-user-badge {
  background: var(--accent-light) !important;
  color: var(--accent) !important;
  border: 1px solid var(--accent) !important;
}

/* Unify all checkbox slider toggles (Email & Pomodoro Widget) */
#email-7am-slider,
#pomodoro-show-slider {
  background-color: rgba(255, 255, 255, 0.1) !important;
  border-color: var(--border-color) !important;
}
:root.light-mode #email-7am-slider,
:root.light-mode #pomodoro-show-slider {
  background-color: rgba(0, 0, 0, 0.05) !important;
  border-color: rgba(0, 0, 0, 0.12) !important;
}

#email-7am-reminder:checked ~ #email-7am-slider,
#pomodoro-show-toggle:checked ~ #pomodoro-show-slider {
  background-color: var(--accent) !important;
  background: var(--accent) !important;
  border-color: var(--accent) !important;
}

#email-7am-reminder:checked ~ #email-7am-slider #email-7am-thumb,
#pomodoro-show-toggle:checked ~ #pomodoro-show-slider #pomodoro-show-thumb {
  background-color: #141218 !important;
  background: #141218 !important;
  transform: translateX(18px) !important;
}
:root.light-mode #email-7am-reminder:checked ~ #email-7am-slider #email-7am-thumb,
:root.light-mode #pomodoro-show-toggle:checked ~ #pomodoro-show-slider #pomodoro-show-thumb {
  background-color: #ffffff !important;
  background: #ffffff !important;
}

/* E-Paper Visual Outlines & Layout overrides */
.theme-epaper .task-card {
  border-width: 1px !important;
  border-style: solid !important;
  border-color: var(--border-color) !important;
  box-shadow: none !important;
}

/* E-Paper Distinct Quadrant Border Indicators (Solid, Dotted, Dashed, Double) */
.theme-epaper .quadrant-q1 .task-card { border-style: solid !important; border-width: 2px !important; }
.theme-epaper .quadrant-q2 .task-card { border-style: dotted !important; border-width: 2px !important; }
.theme-epaper .quadrant-q3 .task-card { border-style: dashed !important; border-width: 1.5px !important; }
.theme-epaper .quadrant-q4 .task-card { border-style: double !important; border-width: 3px !important; }

/* E-Paper view switcher details */
.theme-epaper .view-toggle-indicator {
  background: var(--text-primary) !important;
}
:root.light-mode.theme-epaper .view-toggle-btn.active {
  color: #ffffff !important;
}
:root.light-mode.theme-epaper .view-toggle-btn {
  color: #000000 !important;
}

/* E-Paper STRICT Monochrome Aesthetics & Button Contrast Overrides (Dark Mode) */
.theme-epaper .btn-primary,
.theme-epaper #open-detailed-add-btn,
.theme-epaper .view-toggle-btn.active,
.theme-epaper .btn-voice.listening,
.theme-epaper #voice-confirm-btn,
.theme-epaper #save-task-btn,
.theme-epaper #firebase-anon-btn,
.theme-epaper #email-on-demand-btn,
.theme-epaper #generate-qr-btn,
.theme-epaper #firebase-config-save-btn {
  background: #ffffff !important;
  color: #000000 !important;
  border-color: #ffffff !important;
  box-shadow: none !important;
}

.theme-epaper .btn:not(.btn-primary):not(.tag-filter-btn):not(#firebase-anon-btn):not(#email-on-demand-btn):not(#generate-qr-btn):not(#firebase-config-save-btn),
.theme-epaper #firebase-logout-btn,
.theme-epaper #firebase-google-btn,
.theme-epaper #firebase-add-list-btn,
.theme-epaper #export-backup-btn,
.theme-epaper #firebase-config-reset-btn {
  background: #121212 !important;
  color: #ffffff !important;
  border: 1px solid #444444 !important;
  box-shadow: none !important;
}

.theme-epaper #wipe-local-btn {
  background: #121212 !important;
  color: #ffffff !important;
  border: 1px double #ffffff !important;
}

.theme-epaper .btn-primary svg,
.theme-epaper #open-detailed-add-btn svg,
.theme-epaper .btn-voice.listening svg {
  stroke: #000000 !important;
}

.theme-epaper .voice-mic-glow-inner {
  color: #000000 !important;
}

/* E-Paper Checkbox details (Dark Mode) */
.theme-epaper .checkbox-container input:checked ~ .checkmark::after {
  border-color: #000000 !important;
}

/* E-Paper STRICT Monochrome Aesthetics & Button Contrast Overrides (Light Mode) */
:root.light-mode.theme-epaper .btn-primary,
:root.light-mode.theme-epaper #open-detailed-add-btn,
:root.light-mode.theme-epaper .view-toggle-btn.active,
:root.light-mode.theme-epaper .btn-voice.listening,
:root.light-mode.theme-epaper #voice-confirm-btn,
:root.light-mode.theme-epaper #save-task-btn,
:root.light-mode.theme-epaper #firebase-anon-btn,
:root.light-mode.theme-epaper #email-on-demand-btn,
:root.light-mode.theme-epaper #generate-qr-btn,
:root.light-mode.theme-epaper #firebase-config-save-btn {
  background: #000000 !important;
  color: #ffffff !important;
  border-color: #000000 !important;
  box-shadow: none !important;
}

:root.light-mode.theme-epaper .btn:not(.btn-primary):not(.tag-filter-btn):not(#firebase-anon-btn):not(#email-on-demand-btn):not(#generate-qr-btn):not(#firebase-config-save-btn),
:root.light-mode.theme-epaper #firebase-logout-btn,
:root.light-mode.theme-epaper #firebase-google-btn,
:root.light-mode.theme-epaper #firebase-add-list-btn,
:root.light-mode.theme-epaper #export-backup-btn,
:root.light-mode.theme-epaper #firebase-config-reset-btn {
  background: #ffffff !important;
  color: #000000 !important;
  border: 1px solid #000000 !important;
  box-shadow: none !important;
}

:root.light-mode.theme-epaper #wipe-local-btn {
  background: #ffffff !important;
  color: #000000 !important;
  border: 1px double #000000 !important;
}

:root.light-mode.theme-epaper .btn-primary svg,
:root.light-mode.theme-epaper #open-detailed-add-btn svg,
:root.light-mode.theme-epaper .btn-voice.listening svg {
  stroke: #ffffff !important;
}

:root.light-mode.theme-epaper .voice-mic-glow-inner {
  color: #ffffff !important;
}

/* E-Paper Checkbox details (Light Mode) */
:root.light-mode.theme-epaper .checkbox-container input:checked ~ .checkmark::after {
  border-color: #ffffff !important;
}

/* E-Paper Visual Layout & Grid Overrides */
.theme-epaper .quick-quad-btn {
  background: var(--bg-card) !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
  box-shadow: none !important;
}

.theme-epaper .quick-quad-btn::before {
  background: var(--text-primary) !important;
}

.theme-epaper .quick-quad-btn.active-filter {
  background: var(--bg-card-hover) !important;
  border-color: var(--border-focus) !important;
  border-width: 2px !important;
}

/* Priority Badges Monochrome Overrides */
.theme-epaper .task-priority-badge {
  background: transparent !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: none !important;
}

/* Dashboard Hub & widgets Monochrome Overrides */
.theme-epaper #dashboard-section > div,
.theme-epaper .dash-quad-row {
  background: var(--bg-card) !important;
  border-color: var(--border-color) !important;
}

.theme-epaper .dash-quad-pill {
  background: transparent !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
}

/* Focus Pomodoro Widget Monochrome Alignment */
.theme-epaper #pomodoro-widget .pomodoro-card {
  animation: none !important;
  background: var(--bg-card) !important;
  border-color: var(--border-color) !important;
}

.theme-epaper #pomodoro-widget .pomodoro-time,
.theme-epaper #pomodoro-widget .pomodoro-active-task-running {
  color: var(--text-primary) !important;
}

/* ==========================================
 * PASTEL WORKSPACE THEME MODAL BUTTON ALIGNMENTS
 * ========================================== */
.theme-pastel #firebase-anon-btn {
  background: var(--accent) !important;
  color: #1e1b4b !important;
  border-color: transparent !important;
  box-shadow: 0 4px 15px rgba(199, 210, 254, 0.3) !important;
}
.theme-pastel #email-on-demand-btn {
  background: linear-gradient(135deg, var(--accent), var(--q4-color)) !important;
  color: #1e1b4b !important;
  border-color: transparent !important;
}
:root.light-mode.theme-pastel #firebase-anon-btn {
  background: var(--accent) !important;
  color: #ffffff !important;
}
:root.light-mode.theme-pastel #email-on-demand-btn {
  background: linear-gradient(135deg, var(--accent), var(--q4-color)) !important;
  color: #ffffff !important;
}

/* ==========================================
 * EPAPER MONOCHROME TOGGLE SWITCH OVERRIDES
 * ========================================== */
/* Dark Mode Toggle Sliders */
.theme-epaper #email-7am-slider,
.theme-epaper #pomodoro-show-slider {
  border-color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.15) !important;
  background: rgba(255, 255, 255, 0.15) !important;
}

.theme-epaper #email-7am-thumb,
.theme-epaper #pomodoro-show-thumb {
  background-color: #ffffff !important;
  background: #ffffff !important;
}

.theme-epaper #email-7am-reminder:checked ~ #email-7am-slider,
.theme-epaper #pomodoro-show-toggle:checked ~ #pomodoro-show-slider {
  background-color: #ffffff !important;
  background: #ffffff !important;
}

.theme-epaper #email-7am-reminder:checked ~ #email-7am-slider #email-7am-thumb,
.theme-epaper #pomodoro-show-toggle:checked ~ #pomodoro-show-slider #pomodoro-show-thumb {
  background-color: #000000 !important;
  background: #000000 !important;
  transform: translateX(18px) !important;
}

/* Light Mode Toggle Sliders */
:root.light-mode.theme-epaper #email-7am-slider,
:root.light-mode.theme-epaper #pomodoro-show-slider {
  background-color: rgba(0, 0, 0, 0.08) !important;
  background: rgba(0, 0, 0, 0.08) !important;
  border-color: #000000 !important;
}

:root.light-mode.theme-epaper #email-7am-thumb,
:root.light-mode.theme-epaper #pomodoro-show-thumb {
  background-color: #000000 !important;
  background: #000000 !important;
}

:root.light-mode.theme-epaper #email-7am-reminder:checked ~ #email-7am-slider,
:root.light-mode.theme-epaper #pomodoro-show-toggle:checked ~ #pomodoro-show-slider {
  background-color: #000000 !important;
  background: #000000 !important;
}

:root.light-mode.theme-epaper #email-7am-reminder:checked ~ #email-7am-slider #email-7am-thumb,
:root.light-mode.theme-epaper #pomodoro-show-toggle:checked ~ #pomodoro-show-slider #pomodoro-show-thumb {
  background-color: #ffffff !important;
  background: #ffffff !important;
  transform: translateX(18px) !important;
}

/* ==========================================
 * LOW VERTICAL VIEWPORT / LANDSCAPE MODAL OPTIMIZATIONS
 * ========================================== */
@media (max-height: 580px), (orientation: landscape) and (min-width: 768px) {
  .modal {
    position: fixed !important;
    top: 3% !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 90% !important;
    height: 94% !important;
    max-height: 94% !important;
    padding: 1rem 1.5rem !important;
    gap: 0.5rem !important;
  }
  .modal-header {
    margin-bottom: 0.75rem !important;
  }
  .modal-title {
    font-size: 1.15rem !important;
  }
  .modal-body {
    max-height: none !important;
    gap: 0.85rem !important;
    padding-right: 0.25rem !important;
  }
  .form-group {
    gap: 0.25rem !important;
  }
  .form-control {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.88rem !important;
  }
  .modal-footer {
    margin-top: 0.75rem !important;
    gap: 0.5rem !important;
  }
  .modal-footer .btn {
    padding: 0.5rem 1rem !important;
    font-size: 0.85rem !important;
  }
  
  /* Optimize illustrated coachmarks and voice overlays on short landscape viewports */
  .coachmark-card {
    padding: 1.25rem !important;
  }
  #coachmark-content-area {
    min-height: 180px !important;
    gap: 0.5rem !important;
  }
  #voice-overlay .voice-card {
    padding: 1.25rem !important;
    gap: 1rem !important;
  }
  .voice-mic-glow-outer {
    width: 65px !important;
    height: 65px !important;
  }
  .voice-mic-glow-inner {
    width: 50px !important;
    height: 50px !important;
  }
  .voice-transcript-box {
    min-height: 60px !important;
    max-height: 90px !important;
    padding: 0.5rem 0.75rem !important;
  }

  /* Two-column side-by-side modal panel layouts on wide landscape displays (e.g. tablet landscape) */
  @media (min-width: 600px) {
    #task-edit-modal {
      max-width: 800px !important;
      width: 95% !important;
    }
    #task-edit-modal .modal-body {
      display: grid !important;
      grid-template-columns: 1.2fr 1fr !important;
      gap: 1.25rem !important;
      max-height: none !important;
    }
    /* Left Column elements */
    #task-edit-modal .form-group:nth-of-type(1) { grid-column: 1 !important; }
    #task-edit-modal .form-group:nth-of-type(2) { grid-column: 1 !important; }
    #task-edit-modal #subtasks-section { grid-column: 1 !important; margin-top: 0 !important; }

    /* Right Column elements */
    #task-edit-modal .form-group:nth-of-type(3) { grid-column: 2 !important; }
    #task-edit-modal .form-group:nth-of-type(4) { grid-column: 2 !important; }
    #task-edit-modal div[style*="display: flex"],
    #task-edit-modal div[style*="display:flex"] { grid-column: 2 !important; width: 100% !important; }
    #task-edit-modal .form-group:nth-of-type(5) { grid-column: 2 !important; }

    /* Optimize Analytics Modal layout */
    #analytics-modal {
      max-width: 750px !important;
      width: 95% !important;
    }
    #analytics-modal .modal-body {
      display: grid !important;
      grid-template-columns: 1fr 1.2fr !important;
      gap: 1.25rem !important;
      max-height: none !important;
    }
    #analytics-modal .modal-body > div:nth-of-type(1) {
      grid-column: 1 !important;
      display: flex !important;
      flex-direction: column !important;
      gap: 0.75rem !important;
      justify-content: center !important;
    }
    #analytics-modal .modal-body > div:nth-of-type(1) > div {
      padding: 0.65rem !important;
    }
    #analytics-modal .modal-body > div:nth-of-type(2) {
      grid-column: 2 !important;
      margin: 0 !important;
      padding: 1rem !important;
    }
    
    /* Expand other dialogs wider to fit nicely */
    #sync-modal {
      max-width: 750px !important;
      width: 95% !important;
    }
    #help-modal, #weekly-report-modal {
      max-width: 800px !important;
      width: 95% !important;
    }
  }
}

/* ==========================================
 * NARROW MOBILE VIEWPORT OPTIMIZATIONS (e.g. S25 Ultra, Portrait Screens)
 * ========================================== */
@media (max-width: 480px) {
  .main-content {
    padding: 0.75rem !important;
    gap: 1rem !important;
  }
  
  header {
    padding: 0.75rem 1rem !important;
    padding-top: calc(0.75rem + env(safe-area-inset-top, 0px)) !important;
  }
  
  .quick-quadrant-bar {
    gap: 0.35rem !important;
    margin-bottom: 0.75rem !important;
  }
  
  .quick-quad-btn {
    padding: 0.4rem 0.25rem !important;
    border-radius: var(--radius-sm) !important;
  }

  .quick-quad-badge {
    font-size: 0.6rem !important;
    padding: 0.05rem 0.2rem !important;
  }

  .quick-quad-count {
    font-size: 0.7rem !important;
    padding: 0 0.25rem !important;
  }
  
  .global-add-section {
    gap: 0.4rem !important;
  }

  .input-text {
    padding: 0.6rem 0.9rem 0.6rem 2.6rem !important;
    font-size: 0.85rem !important;
  }
  
  /* Give the Pomodoro Widget a slight extra vertical lift to clear navigation bars on modern devices */
  #pomodoro-widget {
    bottom: calc(2.25rem + env(safe-area-inset-bottom, 0px)) !important;
    right: 0.75rem !important;
  }
  
  .pomodoro-card {
    padding: 0.65rem 0.85rem !important;
    min-width: 220px !important;
  }
  
  #pomodoro-time-display {
    font-size: 1.35rem !important;
  }
}

/* ==========================================
 * FLAT LIST SUMMARY & CALENDAR VIEW STYLING
 * ========================================== */

/* Flat List Table Styles */
.flat-list-table th, 
.flat-list-table td {
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal);
}

.flat-list-table tbody tr {
  cursor: pointer;
  transition: background var(--transition-fast);
}

.flat-list-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02) !important;
}

:root.light-mode .flat-list-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.015) !important;
}

.flat-list-table th {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

.calendar-days-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  grid-auto-rows: minmax(90px, auto);
  gap: 1px;
  background: var(--border-color);
}

/* Calendar Month Day Cells */
.calendar-day-cell {
  background: var(--bg-card);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: relative;
  transition: background var(--transition-fast);
  cursor: cell;
  box-sizing: border-box;
}

.calendar-day-cell:hover {
  background: var(--bg-card-hover);
}

.calendar-day-cell.prev-month,
.calendar-day-cell.next-month {
  opacity: 0.35;
  background: rgba(0, 0, 0, 0.08);
  cursor: default;
}

.calendar-day-cell.today-cell {
  background: rgba(99, 102, 241, 0.04) !important;
  border: 1px solid var(--accent) !important;
}

.calendar-date-number {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
  align-self: flex-start;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.calendar-day-cell.today-cell .calendar-date-number {
  background: var(--accent);
  color: #141218 !important;
}

:root.light-mode .calendar-day-cell.today-cell .calendar-date-number {
  color: #ffffff !important;
}

/* Calendar Task Pills */
.calendar-task-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  border-left: 3px solid transparent;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  transition: filter var(--transition-fast), transform var(--transition-fast);
  box-sizing: border-box;
  max-width: 100%;
}

.calendar-task-pill:hover {
  filter: brightness(1.15);
  transform: translateY(-0.5px);
}

/* Projected Recurring Task Pills */
.calendar-task-pill.projected {
  opacity: 0.55;
  border-style: dashed !important;
  background: rgba(255, 255, 255, 0.02) !important;
  cursor: pointer;
  box-shadow: none;
}

.calendar-task-pill.projected:hover {
  opacity: 0.85;
  background: rgba(255, 255, 255, 0.05) !important;
}

.calendar-task-pill.completed {
  text-decoration: line-through;
  opacity: 0.55;
  box-shadow: none;
}

/* E-Paper Monochrome adaptations for Calendar & Flat List */
.theme-epaper .calendar-task-pill {
  background: transparent !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary) !important;
  border-left: 3px solid var(--text-primary) !important;
  box-shadow: none !important;
}

.theme-epaper .calendar-day-cell.today-cell {
  border: 1px double var(--text-primary) !important;
}
.theme-epaper .calendar-day-cell.today-cell .calendar-date-number {
  background: var(--text-primary) !important;
  color: var(--bg-app) !important;
}

/* Tag Filter Bar Container (Prevent Vertical Clipping) */
.tag-filter-bar-container {
  padding: 0.5rem 0.25rem !important;
  overflow-y: visible !important; /* Always allow height breathing room */
  min-height: 42px !important;
  display: flex !important;
  align-items: center !important;
}

/* Tag Filter Bar Buttons - Global Scope (Highly Visible Solid Accent Background) */
.btn.tag-filter-btn {
  padding: 0.2rem 0.55rem !important;
  font-size: 0.72rem !important;
  border-radius: 20px !important;
  border: 1px solid var(--border-color) !important;
  background: rgba(255, 255, 255, 0.02) !important;
  color: var(--text-secondary) !important;
  font-weight: 500 !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  cursor: pointer;
  height: 28px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.btn.tag-filter-btn:hover {
  background: var(--bg-card-hover) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-focus) !important;
}

.btn.tag-filter-btn.tag-active,
#tag-filters .btn.tag-filter-btn.tag-active {
  background: var(--accent) !important;
  color: #ffffff !important; /* Premium high-contrast white text */
  border-color: var(--accent) !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 12px var(--accent-glow, rgba(99, 102, 241, 0.25)) !important;
}

/* Light Mode active override to ensure outstanding contrast */
:root.light-mode .btn.tag-filter-btn.tag-active,
:root.light-mode #tag-filters .btn.tag-filter-btn.tag-active {
  background: var(--accent) !important;
  color: #ffffff !important;
  border-color: var(--accent) !important;
}

/* Pastel Theme Overrides to handle light accent backgrounds properly */
.theme-pastel .btn.tag-filter-btn.tag-active,
.theme-pastel #tag-filters .btn.tag-filter-btn.tag-active {
  color: #141218 !important; /* Dark text for light pastel background in dark mode */
}
:root.light-mode.theme-pastel .btn.tag-filter-btn.tag-active,
:root.light-mode.theme-pastel #tag-filters .btn.tag-filter-btn.tag-active {
  color: #ffffff !important; /* White text for dark indigo background in light mode */
}

/* E-Paper Monochrome Adaptations */
.theme-epaper .btn.tag-filter-btn.tag-active,
.theme-epaper #tag-filters .btn.tag-filter-btn.tag-active {
  background: var(--text-primary) !important;
  color: var(--bg-app) !important;
  border-color: var(--text-primary) !important;
}