/* --------------------------------------------------------------------------
   TAB 1: OVERVIEW COMPONENTS
   -------------------------------------------------------------------------- */

/* 1. Subject Donut / Pie Chart (Matches SubjectPieChartView.kt) */
.subject-donut-card .donut-total-badge {
  font-size: 0.74rem;
  font-weight: 600;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
}

/* Historical Period Time Range Filter & Mode Toggle */
.pie-time-filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
  padding: 0 2px;
}

.pie-filter-pills {
  display: flex;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}

.pie-filter-pills::-webkit-scrollbar {
  display: none;
}

.pie-filter-btn {
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.pie-filter-btn:hover {
  color: var(--text-primary);
}

.pie-filter-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
  font-weight: 700;
}

.pie-type-toggle-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.pie-type-toggle-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: scale(1.08);
}

.donut-chart-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.donut-chart-svg-wrap {
  position: relative;
  width: 190px;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 4px auto;
  cursor: pointer;
}

.donut-chart-svg {
  width: 100%;
  height: 100%;
  display: block;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}

.donut-bg-track {
  fill: none;
  stroke: var(--bg-subtle);
  stroke-width: 22;
}

.donut-slice {
  fill: none;
  stroke-width: 22;
  transition: stroke-width 0.25s cubic-bezier(0.16, 1, 0.3, 1), stroke-dasharray 0.6s cubic-bezier(0.16, 1, 0.3, 1), stroke-dashoffset 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.25s ease, opacity 0.25s ease;
  cursor: pointer;
}

.donut-slice:hover,
.donut-slice.active {
  stroke-width: 28;
  filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.55));
  opacity: 1;
}

.donut-center-stat {
  position: absolute;
  inset: 0;
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  text-align: center;
  padding: 8px;
  transition: all 0.2s ease;
}

.donut-center-sub {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.donut-center-val {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.donut-center-pct {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-emerald);
  margin-top: 3px;
}

/* Donut Legend List */
.donut-legend-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.donut-legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.donut-legend-item:hover,
.donut-legend-item.active {
  background: var(--bg-card-hover);
  border-color: var(--accent-blue);
  transform: translateX(2px);
}

.donut-legend-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-primary);
}

.donut-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.donut-legend-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
}

.donut-legend-pct {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.donut-legend-time {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
}

/* 2. 52-Week Activity Heatmap (Matches HeatmapView.kt) */
.heatmap-year-label {
  font-size: var(--font-size-sm, 14px);
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.heatmap-scroll-wrapper {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 6px 2px 10px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.heatmap-scroll-wrapper::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.heatmap-outer-flex {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  min-width: 680px;
}

.heatmap-weekdays-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 18px; /* align with matrix beneath month row */
  flex-shrink: 0;
}

.heatmap-weekday-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  height: 10px;
  line-height: 10px;
  text-align: right;
  width: 12px;
}

.heatmap-cols-container {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.heatmap-months-row {
  position: relative;
  height: 15px;
  width: 100%;
}

.heatmap-month-label {
  position: absolute;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}

.heatmap-matrix-grid {
  display: flex;
  gap: 3px;
}

.heatmap-col-week {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.heatmap-cell {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--bg-subtle);
  border: 1px solid rgba(255, 255, 255, 0.03);
  transition: transform 0.15s ease, filter 0.15s ease;
  cursor: pointer;
  position: relative;
}

.heatmap-cell:hover {
  transform: scale(1.35);
  z-index: 10;
  border-color: #ffffff;
  filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.5));
}

/* Heatmap Levels (GitHub/Android style Emerald Palette) */
.heatmap-cell.lvl-0 { background: var(--bg-subtle); }
.heatmap-cell.lvl-1 { background: #0e4429; }
.heatmap-cell.lvl-2 { background: #006d32; }
.heatmap-cell.lvl-3 { background: #26a641; }
.heatmap-cell.lvl-4 { background: #39d353; box-shadow: 0 0 5px rgba(57, 211, 83, 0.4); }

[data-theme="light"] .heatmap-cell.lvl-0 { background: #ebedf0; }
[data-theme="light"] .heatmap-cell.lvl-1 { background: #9be9a8; }
[data-theme="light"] .heatmap-cell.lvl-2 { background: #40c463; }
[data-theme="light"] .heatmap-cell.lvl-3 { background: #30a14e; }
[data-theme="light"] .heatmap-cell.lvl-4 { background: #216e39; }

.heatmap-footer-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  margin-top: 8px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.heatmap-sample-cell {
  width: 9px;
  height: 9px;
  border-radius: 2px;
}

.heatmap-sample-cell.lvl-0 { background: var(--bg-subtle); }
.heatmap-sample-cell.lvl-1 { background: #0e4429; }
.heatmap-sample-cell.lvl-2 { background: #006d32; }
.heatmap-sample-cell.lvl-3 { background: #26a641; }
.heatmap-sample-cell.lvl-4 { background: #39d353; }

[data-theme="light"] .heatmap-sample-cell.lvl-0 { background: #ebedf0; }
[data-theme="light"] .heatmap-sample-cell.lvl-1 { background: #9be9a8; }
[data-theme="light"] .heatmap-sample-cell.lvl-2 { background: #40c463; }
[data-theme="light"] .heatmap-sample-cell.lvl-3 { background: #30a14e; }
[data-theme="light"] .heatmap-sample-cell.lvl-4 { background: #216e39; }

/* --------------------------------------------------------------------------
   TAB 2: CALENDAR & TIMELINE COMPONENTS (Matches CalendarTimeline.kt)
   -------------------------------------------------------------------------- */
.calendar-header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.cal-nav-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.cal-nav-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.cal-month-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.cal-weekdays-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle);
}

.cal-days-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.cal-day-cell {
  min-height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4px 2px;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.cal-day-cell:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.cal-day-cell.other-month {
  opacity: 0.25;
}

.cal-day-cell.today {
  border: 1.5px solid var(--accent-blue);
  background: rgba(59, 130, 246, 0.08);
}

.cal-day-cell.selected {
  background: rgba(59, 130, 246, 0.18) !important;
  border: 1.5px solid var(--accent-blue) !important;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

/* Day Cell Progress Ring Wrapper */
.cal-day-ring-wrap {
  position: relative;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cal-day-svg-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.cal-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 2.5;
}

[data-theme="light"] .cal-ring-bg {
  stroke: rgba(0, 0, 0, 0.06);
}

.cal-ring-fg {
  fill: none;
  stroke: var(--accent-red);
  stroke-width: 2.5;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cal-day-cell.goal-incomplete .cal-ring-fg {
  stroke: var(--accent-red);
  filter: drop-shadow(0 0 3px rgba(239, 68, 68, 0.5));
}

.cal-day-cell.goal-incomplete .cal-day-num {
  color: var(--accent-red);
  font-weight: 700;
}

.cal-day-cell.goal-met .cal-ring-fg {
  stroke: var(--accent-emerald) !important;
  filter: drop-shadow(0 0 4px rgba(16, 185, 129, 0.7)) !important;
}

.cal-day-cell.goal-met .cal-day-num {
  color: var(--accent-emerald) !important;
  font-weight: 800;
}

.cal-study-dots-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin-top: 2px;
  height: 4px;
}

.cal-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--accent-blue);
}

/* Monthly Summary Chips Row */
.cal-month-summary-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.cal-summary-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 700;
}

.cal-summary-chip.goals-met {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
}

.cal-summary-chip.total-study {
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: var(--accent-blue);
}

/* Precise Session Timeline Items */
.timeline-time-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.timeline-time-range {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.timeline-time-range svg {
  width: 12px;
  height: 12px;
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   TAB 3: PLANNER & GOALS (Matches PlannerHistoryManager.kt)
   -------------------------------------------------------------------------- */
.planner-intro-card {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.planner-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.planner-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.planner-title {
  font-size: 0.96rem;
  font-weight: 700;
  margin: 0 0 2px;
  color: var(--text-primary);
}

.planner-subtitle {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin: 0;
}

.planner-stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 12px;
}

.planner-stat-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-align: center;
}

.p-stat-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.p-stat-val {
  font-family: var(--font-mono);
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--text-primary);
}

.planner-goals-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.planner-goal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all var(--transition-fast);
  position: relative;
}

.planner-goal-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.planner-goal-card.is-completed {
  background: rgba(16, 185, 129, 0.04);
  border-color: rgba(16, 185, 129, 0.3);
}

.goal-card-main-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
}

/* Interactive Checkbox (Matches Android Animated Circle Check) */
.goal-checkbox-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.goal-checkbox-btn:hover {
  border-color: var(--accent-emerald);
  transform: scale(1.1);
}

.goal-checkbox-btn.checked {
  background: #10b981;
  border-color: #10b981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

.goal-checkbox-btn svg {
  width: 12px;
  height: 12px;
  color: #ffffff;
  stroke-width: 3;
}

.goal-content-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.goal-title-wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.goal-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
  transition: all 0.2s ease;
}

.goal-title.is-completed {
  text-decoration: line-through;
  color: var(--text-muted);
  opacity: 0.8;
}

.goal-note {
  font-size: 0.76rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.35;
}

.goal-badges-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.goal-subject-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.goal-progress-chip {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: var(--bg-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.goal-progress-chip.completed {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.goal-card-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.goal-btn-action {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.goal-btn-action:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
}

.goal-btn-action.btn-delete:hover {
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.1);
}

.goal-btn-action svg {
  width: 14px;
  height: 14px;
}

/* Quick 1-Tap Presets Row */
.quick-presets-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.preset-chip-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: all 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

.preset-chip-btn:hover {
  border-color: var(--border-focus);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.preset-chip-btn:active {
  transform: scale(0.96);
}

[data-theme="dark"] .preset-chip-btn.active,
:root:not([data-theme="light"]) .preset-chip-btn.active {
  background: #ffffff !important;
  border-color: #ffffff !important;
  color: #09090b !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .preset-chip-btn.active {
  background: #09090b !important;
  border-color: #09090b !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.goal-progress-track {
  width: 100%;
  height: 6px;
  background: var(--bg-subtle);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  margin-top: 4px;
}

.goal-progress-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}

.planner-empty-state {
  text-align: center;
  padding: 28px 16px;
  background: var(--bg-card);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.planner-empty-state svg {
  width: 32px;
  height: 32px;
  margin-bottom: 8px;
  opacity: 0.5;
}

.planner-empty-state p {
  margin: 0 0 4px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.planner-empty-state span {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.form-select-styled {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-select-styled:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* --------------------------------------------------------------------------
   SHARED CARDS & APP COMPANION
   -------------------------------------------------------------------------- */
.app-companion-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.companion-flex {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.companion-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-primary);
}

.companion-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin: 0;
}

.companion-download-btn {
  width: 100%;
  justify-content: center;
  padding: 9px 14px;
}

/* Floating Action Group (Only displayed on mobile to prevent desktop UI collision) */
.mobile-fabs-group {
  display: none;
}

@media (max-width: 768px) {
  .demo-workspace-main {
    padding-bottom: 90px; /* Clearance so FABs never overlap cards */
  }

  .mobile-fabs-group {
    display: flex;
    position: fixed;
    bottom: 20px;
    right: 20px;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    z-index: 950;
  }

  .btn-mobile-insights-fab {
    display: inline-flex;
  }
}

.btn-mobile-insights-fab,
.btn-mobile-leaderboard-fab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
}

.btn-mobile-insights-fab {
  background: linear-gradient(135deg, var(--accent-blue) 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-mobile-insights-fab svg {
  width: 17px;
  height: 17px;
}

.btn-mobile-leaderboard-fab {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000000;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-mobile-leaderboard-fab .fab-icon {
  font-size: 0.95rem;
  line-height: 1;
}

.btn-mobile-insights-fab:hover,
.btn-mobile-leaderboard-fab:hover {
  transform: translateY(-2px) scale(1.03);
}

.btn-mobile-insights-fab:active,
.btn-mobile-leaderboard-fab:active {
  transform: scale(0.96);
}

.insights-drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 980;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.insights-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   5. MODALS (Timer Settings, Auth, Add Subject)
   ========================================================================== */
body.modal-open {
  overflow: hidden !important;
  touch-action: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: safe center;
  justify-content: center;
  z-index: 1000000;
  padding: 16px;
  opacity: 1;
  visibility: visible;
  transition: var(--transition-fast);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 460px;
  max-height: min(90vh, 90dvh);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modal-pop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
  margin: auto;
}

.modal-card-sm {
  max-width: 380px;
}

.modal-actions-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.modal-actions-row .btn {
  flex: 1;
  justify-content: center;
}

@keyframes modal-pop {
  from { opacity: 0; transform: scale(0.94) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 0;
  z-index: 10;
}

.modal-close-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.modal-header {
  padding: 18px 22px 10px;
  flex-shrink: 0;
}

.modal-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.modal-icon-wrap svg {
  width: 20px;
  height: 20px;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-primary);
}

.modal-subtitle {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin: 0;
}

.modal-body {
  padding: 14px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

.modal-body::-webkit-scrollbar {
  width: 5px;
}

.modal-body::-webkit-scrollbar-thumb {
  background-color: var(--border-subtle);
  border-radius: 4px;
}

.settings-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.settings-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
}

.presets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.settings-presets-group {
  display: flex;
  gap: 8px;
}

.settings-chip {
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: all 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

.settings-chip:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.settings-chip:active {
  transform: scale(0.96);
}

[data-theme="dark"] .settings-chip.active,
:root:not([data-theme="light"]) .settings-chip.active {
  background: #ffffff !important;
  color: #09090b !important;
  border-color: #ffffff !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .settings-chip.active {
  background: #09090b !important;
  color: #ffffff !important;
  border-color: #09090b !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.settings-grid-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-group input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
  box-sizing: border-box;
}

.input-group input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.btn-full {
  width: 100%;
  padding: 12px;
  font-size: 0.95rem;
  font-weight: 700;
}

/* Auth Buttons */
.btn-google-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 11px 16px;
  background: #ffffff;
  color: #1f2937;
  border: 1px solid #d1d5db;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-google-auth:hover {
  background: #f9fafb;
}

.google-svg-icon {
  width: 18px;
  height: 18px;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 4px 0;
}

.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-subtle);
}

.auth-divider span {
  padding: 0 10px;
}

.email-auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 6px;
}

.email-auth-form .btn-full {
  padding: 11px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
  transition: var(--transition-fast);
}

.email-auth-form .btn-full:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.auth-status-message {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  margin-top: 8px;
}

.modal-footer {
  padding: 12px 24px 18px;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
}

.legal-text {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin: 0;
}

/* Color Picker */
.color-picker-palette {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.color-choice-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.color-choice-btn.active {
  transform: scale(1.2);
  box-shadow: 0 0 0 2px var(--bg-card), 0 0 0 4px var(--accent-blue);
}

/* ==========================================================================
   6. TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 10000010;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

@media (max-width: 600px) {
  .toast-container {
    bottom: 20px;
    right: 50%;
    transform: translateX(50%);
    width: max-content;
    max-width: calc(100vw - 32px);
    align-items: center;
  }
}

.toast {
  pointer-events: auto;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toast-slide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes toast-slide {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.toast-success {
  background: #064e3b;
  color: #a7f3d0;
  border: 1px solid #059669;
}

.toast-error {
  background: #7f1d1d;
  color: #fecaca;
  border: 1px solid #dc2626;
}

.toast-info {
  background: #1e3a8a;
  color: #bfdbfe;
  border: 1px solid #2563eb;
}

/* Fullscreen Browser Mode */
:fullscreen .demo-header,
:-webkit-full-screen .demo-header {
  opacity: 0.85;
}

/* ==========================================================================
   RUNNING TIMER FOCUS AUTO-HIDE (SMOOTH INACTIVITY FADE-OUT & INSPIRATIONAL BANNER)
   ========================================================================== */
.studio-floating-topbar,
.app-sidebar,
.status-metrics-grid,
.timer-mode-selector,
.timer-secondary-actions,
.btn-timer-primary,
.floating-audio-dock,
.studio-compact-footer,
.subject-dropdown-wrapper {
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), filter 0.45s ease;
}

body.focus-autohide {
  cursor: default;
}

body.focus-autohide .studio-floating-topbar {
  opacity: 0;
  transform: translateY(-16px);
  pointer-events: none;
}

body.focus-autohide .app-sidebar {
  opacity: 0;
  transform: translateX(-24px);
  pointer-events: none;
}

body.focus-autohide .status-metrics-grid {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 0.45s ease, transform 0.45s ease;
}

body.focus-autohide .timer-mode-selector {
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.45s ease, transform 0.45s ease;
}

body.focus-autohide #btnResetTimer,
body.focus-autohide #btnStudioZenTimer {
  opacity: 0 !important;
  pointer-events: none !important;
  transition: opacity 0.35s ease;
}

/* Very dim pause/resume and save session buttons during focus autohide - smooth opacity transition without boundary scale oscillation */
body.focus-autohide .btn-timer-primary,
body.focus-autohide #btnToggleTimer {
  opacity: 0.16 !important;
  pointer-events: auto !important;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

body.focus-autohide #btnFinishSession,
body.focus-autohide .btn-finish-session {
  opacity: 0.16 !important;
  pointer-events: auto !important;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

body.focus-autohide .timer-secondary-actions {
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* Hovering over timer controls area or buttons immediately brings them to 100% opacity */
body.focus-autohide .timer-controls-area:hover .btn-timer-primary,
body.focus-autohide .timer-controls-area:hover #btnFinishSession,
body.focus-autohide .btn-timer-primary:hover,
body.focus-autohide #btnFinishSession:hover {
  opacity: 1 !important;
}

body.focus-autohide .floating-audio-dock {
  opacity: 0;
  transform: translateY(24px);
  pointer-events: none;
}

body.focus-autohide .studio-compact-footer {
  opacity: 0;
  pointer-events: none;
}

body.focus-autohide .subject-inline-chevron {
  opacity: 0;
}

/* Inspirational Focus Quote Banner (Appears above the timer during focus autohide) */
.focus-autohide-quote-banner {
  opacity: 0;
  transform: translateY(-8px) scale(0.96);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(18, 22, 34, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  margin-bottom: 10px;
  max-width: 90vw;
  text-align: center;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

[data-theme="light"] .focus-autohide-quote-banner {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.autohide-sparkle {
  font-size: 0.95rem;
  flex-shrink: 0;
}

.autohide-quote-text {
  font-size: 0.9rem;
  font-weight: 600;
  font-style: italic;
  color: #ffffff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 80vw;
}

[data-theme="light"] .autohide-quote-text {
  color: #0f172a;
  text-shadow: none;
}

body.focus-autohide .focus-autohide-quote-banner {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Central Focus Canvas Remains Smooth & Stationary */
.focus-studio-center-wrap {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

/* ==========================================================================
   ZEN FULLSCREEN FOCUS TIMER VIEW & BACKGROUND PURITY
   ========================================================================== */
/* Smooth cross-fade of background contents during Zen fullscreen mode */
body.zen-mode-active .demo-header,
body.zen-mode-active .studio-floating-topbar,
body.zen-mode-active .top-nav-bar,
body.zen-mode-active .demo-sidebar,
body.zen-mode-active .app-sidebar,
body.zen-mode-active .demo-main-container,
body.zen-mode-active .studio-app-layout,
body.zen-mode-active .studio-workspace,
body.zen-mode-active .demo-app-layout,
body.zen-mode-active .dashboard-content,
body.zen-mode-active .ambient-audio-dock,
body.zen-mode-active .app-footer,
body.zen-mode-active .modal-overlay:not(#zenTimerOverlay),
body.zen-mode-active .toast-container {
  opacity: 0 !important;
  pointer-events: none !important;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.zen-timer-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: transparent !important;
  color: var(--text-primary);
  z-index: 999999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
  touch-action: none;
  overscroll-behavior: none;
  animation: zen-overlay-fade 0.28s ease-out forwards;
  box-sizing: border-box;
  will-change: opacity;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

body.has-custom-bg .zen-timer-overlay,
[data-theme="light"] body.has-custom-bg .zen-timer-overlay,
[data-theme="light"] .zen-timer-overlay {
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

/* ==========================================================================
   RAINBOW POMODORO RING (SOFT DYNAMIC PASTEL COLORS)
   ========================================================================== */
@keyframes rainbow-soft-cycle {
  0% {
    stroke: #818cf8;
    filter: drop-shadow(0 0 12px rgba(129, 140, 248, 0.5));
  }
  20% {
    stroke: #38bdf8;
    filter: drop-shadow(0 0 12px rgba(56, 189, 248, 0.5));
  }
  40% {
    stroke: #34d399;
    filter: drop-shadow(0 0 12px rgba(52, 211, 153, 0.5));
  }
  60% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 12px rgba(251, 191, 36, 0.5));
  }
  80% {
    stroke: #f472b6;
    filter: drop-shadow(0 0 12px rgba(244, 114, 182, 0.5));
  }
  100% {
    stroke: #818cf8;
    filter: drop-shadow(0 0 12px rgba(129, 140, 248, 0.5));
  }
}

.timer-indicator.rainbow-active,
.zen-timer-indicator.rainbow-active {
  animation: rainbow-soft-cycle 16s ease-in-out infinite !important;
}

/* Subject Visibility Disabled */
.subject-dropdown-wrapper.subjects-disabled,
.zen-subject-wrapper.subjects-disabled {
  display: none !important;
}

@keyframes zen-overlay-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes zen-canvas-in {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.zen-exit-btn {
  position: absolute;
  top: clamp(16px, 4vh, 32px);
  right: clamp(16px, 4vw, 32px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px) saturate(190%);
  -webkit-backdrop-filter: blur(18px) saturate(190%);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.35);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease, border-color 0.2s ease;
  will-change: opacity, transform;
  opacity: 1;
  transform: translateY(0);
}

.zen-exit-btn:hover {
  background: rgba(255, 255, 255, 0.24);
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 14px rgba(255, 255, 255, 0.15), inset 0 1px 2px rgba(255, 255, 255, 0.6);
}

.zen-exit-btn svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  flex-shrink: 0;
}

[data-theme="light"] .zen-exit-btn {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.14);
  color: #0f172a;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  text-shadow: none;
}

[data-theme="light"] .zen-exit-btn:hover {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.28);
  color: #000000;
}

/* Zen inactivity fade: Exit Fullscreen button fades out, Pause/Resume & Save buttons become very dim */
.zen-timer-overlay.zen-controls-faded .zen-exit-btn,
body.zen-controls-faded .zen-exit-btn {
  opacity: 0 !important;
  transform: translateY(-8px);
  pointer-events: none !important;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Very dim pause/resume & save session buttons in Zen Fullscreen mode during inactivity */
.zen-timer-overlay.zen-controls-faded .btn-zen-ctrl,
.zen-timer-overlay.zen-controls-faded #btnZenToggle,
body.zen-controls-faded .btn-zen-ctrl,
body.zen-controls-faded #btnZenToggle {
  opacity: 0.16 !important;
  pointer-events: auto !important;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.zen-timer-overlay.zen-controls-faded .btn-zen-save,
.zen-timer-overlay.zen-controls-faded #btnZenSave,
body.zen-controls-faded .btn-zen-save,
body.zen-controls-faded #btnZenSave {
  opacity: 0.16 !important;
  pointer-events: auto !important;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Direct hover over Zen controls bar or buttons immediately brings full normal opacity */
.zen-timer-overlay.zen-controls-faded .zen-controls-bar:hover .btn-zen-ctrl,
.zen-timer-overlay.zen-controls-faded .zen-controls-bar:hover .btn-zen-save,
.zen-timer-overlay.zen-controls-faded .btn-zen-ctrl:hover,
.zen-timer-overlay.zen-controls-faded .btn-zen-save:hover {
  opacity: 1 !important;
}

.zen-timer-canvas {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 600px;
  margin: auto;
  animation: zen-canvas-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  will-change: transform, opacity;
}

/* Full-Screen (Zen Mode) Giant Break Floating Breathing Banner */
.zen-break-banner {
  margin: 0 auto clamp(14px, 3vh, 24px);
  padding: 8px 24px;
}

.zen-break-banner .break-banner-text {
  font-size: clamp(1.6rem, 4.2vw, 2.35rem);
  font-weight: 800;
  letter-spacing: 0.22em;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.8), 0 0 32px rgba(255, 255, 255, 0.5);
}

.zen-ring-container {
  position: relative;
  width: clamp(260px, 68vw, 400px);
  height: clamp(260px, 68vw, 400px);
  margin: 0 auto clamp(20px, 4vh, 36px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.zen-timer-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.zen-timer-track {
  fill: none;
  stroke: var(--bg-subtle);
  stroke-width: 10;
}

[data-theme="dark"] .zen-timer-track {
  stroke: rgba(255, 255, 255, 0.05);
}

.zen-timer-indicator {
  fill: none;
  stroke: var(--accent-blue);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 1130.97; /* 2 * PI * 180 */
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.3s ease, stroke 0.3s ease;
  filter: drop-shadow(0 0 14px rgba(59, 130, 246, 0.45));
}

.zen-timer-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 84%;
  height: 84%;
  border-radius: 50%;
  background: rgba(12, 16, 26, 0.5);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 32px rgba(0, 0, 0, 0.35), 0 12px 40px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  z-index: 2;
}

[data-theme="light"] .zen-timer-content {
  background: rgba(255, 255, 255, 0.68);
  border-color: rgba(0, 0, 0, 0.08);
}

/* Pomodoro Session & Ratio Pill (High-Clarity Contrast & Clean Visibility) */
.timer-session-ratio-badge,
.zen-session-ratio-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 3px 12px;
  border-radius: 9999px;
  margin-bottom: 4px;
  user-select: none;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: opacity var(--transition-normal, 0.2s ease);
}

.timer-session-ratio-badge.hidden,
.zen-session-ratio-badge.hidden {
  display: none !important;
}

[data-theme="light"] .timer-session-ratio-badge,
[data-theme="light"] .zen-session-ratio-badge {
  color: #1e293b;
  background: rgba(15, 23, 42, 0.08);
  border-color: rgba(15, 23, 42, 0.16);
  text-shadow: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.zen-session-ratio-badge {
  font-size: 0.92rem;
  padding: 4px 16px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.26);
}

.zen-state-badge {
  font-size: clamp(0.92rem, 2.6vw, 1.2rem);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 5px 18px;
  opacity: 0.95;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
  margin-bottom: 6px;
  user-select: none;
}

[data-theme="light"] .zen-state-badge {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.12);
  opacity: 0.9;
  text-shadow: none;
}

.zen-digital-display {
  font-family: var(--font-mono);
  font-size: clamp(3.6rem, 13vw, 6.5rem);
  font-weight: 800;
  line-height: 1;
  color: #ffffff !important;
  text-shadow: 0 2px 30px rgba(255, 255, 255, 0.28), 0 4px 18px rgba(0, 0, 0, 0.7);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

[data-theme="light"] .zen-digital-display {
  color: #09090b !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.zen-subject-wrapper {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin: 4px auto 14px;
  pointer-events: auto;
  z-index: 50;
}

.zen-hint-text {
  font-size: clamp(0.72rem, 1.6vw, 0.78rem);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.38);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  margin-top: 4px;
  user-select: none;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s ease;
  will-change: opacity, transform;
}

[data-theme="light"] .zen-hint-text {
  color: rgba(15, 23, 42, 0.38);
  text-shadow: none;
}

/* Smooth fade out during running session / inactivity */
.zen-timer-overlay.zen-controls-faded .zen-hint-text,
body.zen-controls-faded .zen-hint-text,
body.focus-autohide .zen-hint-text {
  opacity: 0 !important;
  transform: translateY(4px);
  pointer-events: none !important;
}

.zen-controls-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  width: 100%;
}

.btn-zen-ctrl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.28);
  user-select: none;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  color: #ffffff !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.35);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  transition: opacity 0.25s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-zen-ctrl:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.65);
  color: #ffffff !important;
  transform: translateY(-2px) scale(1.02) translateZ(0);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), 0 0 24px rgba(255, 255, 255, 0.2), inset 0 1px 2px rgba(255, 255, 255, 0.6);
}

.btn-zen-ctrl:active {
  transform: translateY(0px) scale(0.98) translateZ(0);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .btn-zen-ctrl {
  background: rgba(15, 23, 42, 0.08);
  border-color: rgba(15, 23, 42, 0.18);
  color: #0f172a !important;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06), inset 0 1px 1px rgba(255, 255, 255, 0.8);
  text-shadow: none;
}

[data-theme="light"] .btn-zen-ctrl:hover {
  background: rgba(15, 23, 42, 0.14);
  border-color: rgba(15, 23, 42, 0.35);
  color: #000000 !important;
}

.btn-zen-ctrl.running {
  background: rgba(255, 255, 255, 0.18) !important;
  backdrop-filter: blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
  border-color: rgba(255, 255, 255, 0.5) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.45) !important;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6) !important;
}

.btn-zen-ctrl.running:hover {
  background: rgba(255, 255, 255, 0.28) !important;
  border-color: rgba(255, 255, 255, 0.8) !important;
  transform: translateY(-2px) scale(1.02) translateZ(0) !important;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), inset 0 1px 2px rgba(255, 255, 255, 0.7) !important;
}

[data-theme="light"] .btn-zen-ctrl.running {
  background: rgba(15, 23, 42, 0.12) !important;
  border-color: rgba(15, 23, 42, 0.28) !important;
  color: #0f172a !important;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08), inset 0 1px 1px rgba(255, 255, 255, 0.8) !important;
  text-shadow: none !important;
}

[data-theme="light"] .btn-zen-ctrl.running:hover {
  background: rgba(15, 23, 42, 0.18) !important;
  border-color: rgba(15, 23, 42, 0.45) !important;
  color: #000000 !important;
}

.btn-zen-ctrl .zen-ctrl-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-zen-subtle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(18px) saturate(190%);
  -webkit-backdrop-filter: blur(18px) saturate(190%);
  color: #ffffff !important;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  transition: opacity 0.25s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-zen-subtle:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.55);
  transform: translateY(-2px) translateZ(0);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 14px rgba(255, 255, 255, 0.15), inset 0 1px 2px rgba(255, 255, 255, 0.6);
}

.btn-zen-subtle svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  flex-shrink: 0;
}

.btn-zen-save {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.3) !important;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5) !important;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
}

[data-theme="light"] .btn-zen-save {
  background: rgba(15, 23, 42, 0.06) !important;
  color: #0f172a !important;
  border-color: rgba(15, 23, 42, 0.18) !important;
  text-shadow: none !important;
}

.btn-zen-save:hover {
  background: rgba(255, 255, 255, 0.22) !important;
  border-color: rgba(255, 255, 255, 0.6) !important;
  color: #ffffff !important;
  transform: translateY(-1px) translateZ(0);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35) !important;
}

/* ==========================================================================
   7. COMPREHENSIVE MOBILE & ANDROID WEB OPTIMIZATIONS
   ========================================================================== */
@media (max-width: 900px) {
  /* Floating Action Group visible on mobile / tablet (Insights on top, Leaderboard below) */
  .mobile-fabs-group {
    display: flex !important;
  }

  .insights-drawer-backdrop {
    display: block;
  }

  .drawer-mobile-header {
    display: flex;
  }

  /* Slide-up Bottom Sheet Drawer */
  #insightsHub.productivity-hub {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    height: 85dvh;
    max-height: 85dvh;
    background: var(--bg-card);
    border-radius: 28px 28px 0 0;
    border: 1px solid var(--border-focus);
    border-bottom: none;
    box-shadow: 0 -12px 45px rgba(0, 0, 0, 0.5);
    padding: 14px 18px 24px;
    z-index: 990;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    overscroll-behavior: contain;
    transform: translateY(105%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
  }

  #insightsHub.productivity-hub.open {
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  /* Prevent horizontal overflow & ensure true centering */
  .demo-workspace-main {
    padding: 12px 12px 36px;
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
  }

  .demo-grid-layout {
    padding: 0 !important;
    gap: 16px;
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
  }

  .focus-timer-studio {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .studio-card {
    padding: 18px 14px;
    border-radius: 20px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
  }

  .studio-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 6px;
    width: 100%;
  }

  .studio-header-left {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: flex-start;
  }

  .studio-header-center {
    display: flex;
    justify-content: center;
    text-align: center;
    flex-shrink: 0;
  }

  .studio-header-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: flex-end;
  }

  .active-mode-badge {
    font-size: 0.74rem;
    padding: 5px 10px;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
  }

  /* 4-Tab Responsive Modes */
  .timer-mode-selector {
    padding: 2px;
    gap: 2px;
    margin-bottom: 6px;
    width: 100%;
    max-width: 360px;
  }

  .mode-btn {
    padding: 6px 2px;
    font-size: 0.72rem;
    letter-spacing: -0.01em;
  }

  /* Subject Dropdown Centered */
  .subject-dropdown-wrapper {
    margin: 0 auto 6px;
    width: auto;
    display: flex;
    justify-content: center;
  }

  .subject-menu-trigger-btn {
    padding: 4px 12px;
    font-size: 0.78rem;
  }

  /* Fixed Backdrop & Full Floating Subject Menu on Mobile (Always on top of all elements) */
  .subject-dropdown-menu {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    bottom: auto !important;
    right: auto !important;
    transform: translate(-50%, -50%) !important;
    width: min(340px, 92vw) !important;
    max-height: min(480px, 78vh) !important;
    z-index: 9999999 !important;
    background: var(--bg-card, #101626) !important;
    border: 1px solid var(--border-focus, rgba(59, 130, 246, 0.4)) !important;
    border-radius: 20px !important;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8), 0 0 0 100vmax rgba(0, 0, 0, 0.6) !important;
    padding: 16px !important;
    pointer-events: auto !important;
    animation: modal-pop 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  .subject-menu-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding-bottom: 12px !important;
    margin-bottom: 10px !important;
    border-bottom: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.1)) !important;
  }

  .subject-menu-title {
    font-size: 0.88rem !important;
    font-weight: 700 !important;
    color: var(--text-primary, #ffffff) !important;
  }

  .subject-menu-items {
    max-height: min(340px, 52vh) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    padding-right: 4px !important;
  }

  .subject-menu-item {
    padding: 11px 16px !important;
    font-size: 0.95rem !important;
    border-radius: 12px !important;
  }

  /* Timer Ring Sizing on Mobile */
  .timer-ring-container {
    width: clamp(176px, 48vw, 216px);
    height: clamp(176px, 48vw, 216px);
    margin: 0 auto 6px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .timer-center-content {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    right: auto !important;
    bottom: auto !important;
    transform: translate(-50%, -50%) !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    width: 82% !important;
    height: 82% !important;
    border-radius: 50% !important;
    margin: 0 !important;
  }

  .timer-digital-display {
    font-size: clamp(2.1rem, 9.2vw, 2.9rem);
    margin-bottom: 2px;
    text-align: center;
  }

  .timer-state-badge {
    font-size: clamp(0.78rem, 2vw, 0.88rem);
    padding: 3px 10px;
    margin-bottom: 2px;
    text-align: center;
  }

  .timer-current-subject-btn {
    font-size: 0.72rem;
    padding: 2px 8px;
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Controls Centered & Fully Visible */
  .timer-controls-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: 2px auto 0;
    gap: 6px;
  }

  .btn-timer-primary {
    max-width: 240px;
    padding: 9px 18px;
    font-size: 0.92rem;
  }

  .timer-secondary-actions {
    max-width: 280px;
    gap: 6px;
    justify-content: center;
  }

  .btn-timer-subtle {
    padding: 5px 11px;
    font-size: 0.76rem;
  }

  /* Hub Cards */
  .hub-card {
    padding: 16px 14px;
    border-radius: 18px;
    width: 100%;
    box-sizing: border-box;
  }

  .target-stat-numbers {
    gap: 6px;
    margin-bottom: 12px;
  }

  .stat-label {
    font-size: 0.68rem;
  }

  .stat-val {
    font-size: 0.95rem;
  }

  /* Guest Banner Centered on Mobile */
  .guest-banner {
    padding: 10px 14px;
  }

  .guest-banner-container {
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 8px;
    max-width: 540px;
    margin: 0 auto;
  }

  .guest-banner-text {
    font-size: 0.78rem;
    justify-content: center;
    text-align: center;
    line-height: 1.4;
  }

  /* Modals */
  .modal-overlay {
    padding: 10px;
  }

  .modal-card {
    max-height: calc(100dvh - 20px);
    border-radius: 18px;
    width: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .modal-header {
    padding: 14px 16px 8px;
    flex-shrink: 0;
  }

  .modal-body {
    padding: 0 16px 14px;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
    min-height: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .modal-body::-webkit-scrollbar {
    display: none;
  }

  .presets-grid {
    gap: 4px;
  }

  .settings-chip {
    padding: 6px 2px;
    font-size: 0.74rem;
  }

  .settings-grid-row {
    gap: 8px;
  }
}

@media (max-width: 400px) {
  .logo-text {
    font-size: 0.95rem;
  }

  .mode-btn {
    font-size: 0.68rem;
    padding: 7px 1px;
  }

  .timer-ring-container {
    width: clamp(190px, 60vw, 240px);
    height: clamp(190px, 60vw, 240px);
  }

  .timer-digital-display {
    font-size: clamp(2.1rem, 10vw, 2.9rem);
  }

  .stat-val {
    font-size: 0.88rem;
  }
}

/* ==========================================================================
   16. DEMO SITE FOOTER & LEGAL REDIRECTS
   ========================================================================== */
.demo-site-footer {
  margin-top: 40px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0 35px;
  color: var(--text-secondary);
}

.demo-footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
}

.demo-footer-left {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.demo-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.demo-footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.demo-footer-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.demo-footer-legal-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: auto;
}

.demo-footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.demo-footer-links-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-footer-group-title {
  font-size: var(--font-size-sm, 14px);
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.demo-footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.demo-footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.demo-footer-links a:hover {
  color: var(--accent-blue);
  transform: translateX(2px);
}

.btn-footer-delete-data {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--accent-red);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-footer-delete-data:hover {
  background: rgba(239, 68, 68, 0.16);
  border-color: var(--accent-red);
}

.btn-footer-delete-data svg {
  width: 14px;
  height: 14px;
}

.link-cloud-delete {
  font-size: 0.82rem;
  color: var(--accent-red) !important;
  font-weight: 500;
}

/* Settings Toggles & Form Select */
.settings-toggles-wrap {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.settings-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.settings-toggle-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.form-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.form-select:focus {
  border-color: var(--border-focus);
}

.btn-danger {
  background: var(--accent-red);
  color: #ffffff;
  border: none;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

.delete-warning-box {
  background: rgba(239, 68, 68, 0.08);
  border-left: 4px solid var(--accent-red);
  padding: 12px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.45;
}

.modal-actions-row {
  display: flex;
  gap: 10px;
}

.flex-1 {
  flex: 1;
}

@media (max-width: 860px) {
  .demo-footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .demo-footer-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .demo-footer-nav {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .demo-site-footer {
    padding: 30px 0 30px;
    margin-top: 25px;
  }
}

/* Mode Settings Gear Button in Selector */
.mode-btn.mode-btn-settings {
  color: var(--text-muted);
  border-left: 1px solid var(--border-subtle);
  margin-left: 4px;
  padding-left: 12px;
}

.mode-btn.mode-btn-settings:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover, rgba(255, 255, 255, 0.08));
}

/* Responsive Fullscreen / Zen Timer Mobile Optimization */
@media (max-width: 640px) {
  .zen-exit-btn {
    top: 12px !important;
    right: 12px !important;
    padding: 6px 12px !important;
    font-size: 0.76rem !important;
    gap: 5px !important;
  }
  .zen-exit-btn svg {
    width: 14px !important;
    height: 14px !important;
  }
  .zen-ring-container {
    width: min(72vw, 310px) !important;
    height: min(72vw, 310px) !important;
    margin: 0 auto clamp(14px, 3vh, 24px) !important;
  }
  .zen-digital-display {
    font-size: clamp(3rem, 11vw, 4.8rem) !important;
    margin-bottom: 6px !important;
  }
  .zen-state-badge {
    font-size: clamp(0.82rem, 2.2vw, 0.95rem) !important;
    padding: 4px 12px !important;
    margin-bottom: 4px !important;
  }
  .zen-controls-bar {
    gap: 8px !important;
    max-width: 320px !important;
    width: 100% !important;
  }
  .btn-zen-ctrl {
    padding: 9px 18px !important;
    font-size: 0.88rem !important;
    gap: 6px !important;
  }
  .btn-zen-ctrl .zen-ctrl-icon {
    width: 16px !important;
    height: 16px !important;
  }
  .btn-zen-subtle {
    padding: 9px 14px !important;
    font-size: 0.8rem !important;
    gap: 5px !important;
  }
  .btn-zen-subtle svg {
    width: 14px !important;
    height: 14px !important;
  }
}

@media (max-width: 380px) {
  .zen-ring-container {
    width: 250px !important;
    height: 250px !important;
  }
  .btn-zen-ctrl {
    padding: 8px 14px !important;
    font-size: 0.82rem !important;
  }
  .btn-zen-subtle {
    padding: 8px 11px !important;
    font-size: 0.76rem !important;
  }
}


/* ==========================================================================
   ENHANCED MODERN SETTINGS UI & SLEEK SWITCHES
   ========================================================================== */

.modal-card-settings {
  max-width: 540px !important;
  width: 94vw !important;
  max-height: 88vh !important;
  display: flex !important;
  flex-direction: column !important;
  border-radius: 20px !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--border-subtle) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  animation: modalPopIn 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
  overflow: hidden !important;
  padding: 0 !important;
}

.modal-card-settings .modal-header {
  padding: 20px 24px 16px 24px !important;
  border-bottom: 1px solid var(--border-subtle) !important;
  position: relative !important;
  display: flex !important;
  align-items: center !important;
  gap: 14px !important;
  background: var(--bg-card) !important;
}

.modal-icon-settings {
  width: 42px !important;
  height: 42px !important;
  border-radius: 12px !important;
  background: rgba(99, 102, 241, 0.12) !important;
  color: var(--accent-blue) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  border: 1px solid rgba(99, 102, 241, 0.2) !important;
}

.modal-icon-settings svg {
  width: 22px !important;
  height: 22px !important;
}

.modal-title-group {
  flex: 1 !important;
}

.modal-title-group .modal-title {
  font-size: 1.15rem !important;
  font-weight: 700 !important;
  margin: 0 0 3px 0 !important;
  color: var(--text-primary) !important;
  letter-spacing: -0.01em !important;
}

.modal-title-group .modal-subtitle {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
  margin: 0 !important;
  line-height: 1.35 !important;
}

.settings-modal-body {
  padding: 20px 24px !important;
  overflow-y: auto !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 16px !important;
  background: var(--bg-page) !important;
}

/* Group Cards */
.settings-group-card {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: 14px !important;
  padding: 16px !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease !important;
}

.settings-group-card:hover {
  border-color: var(--border-focus) !important;
}

.settings-group-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  margin-bottom: 2px !important;
}

.settings-group-title {
  font-size: 0.84rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  letter-spacing: 0.01em !important;
}

.settings-group-tag {
  font-size: 0.68rem !important;
  font-weight: 600 !important;
  padding: 2px 8px !important;
  border-radius: 20px !important;
  background: var(--bg-subtle) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-subtle) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
}

/* Numeric Field Boxes */
.settings-field-box {
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
}

.settings-field-box label {
  font-size: 0.74rem !important;
  font-weight: 600 !important;
  color: var(--text-secondary) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
}

.settings-input-with-unit {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
}

.settings-input-with-unit input {
  width: 100% !important;
  padding: 9px 52px 9px 12px !important;
  background: var(--bg-subtle) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: 10px !important;
  color: var(--text-primary) !important;
  font-size: 0.95rem !important;
  font-weight: 600 !important;
  font-family: inherit !important;
  outline: none !important;
  transition: all 0.16s ease !important;
  box-sizing: border-box !important;
}

.settings-input-with-unit input:focus {
  border-color: var(--accent-blue) !important;
  background: var(--bg-card) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15) !important;
}

.input-unit-badge {
  position: absolute !important;
  right: 10px !important;
  font-size: 0.74rem !important;
  font-weight: 600 !important;
  color: var(--text-muted) !important;
  pointer-events: none !important;
  user-select: none !important;
}

/* Sleek Modern Toggle Cards */
.settings-toggles-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 8px !important;
}

.settings-toggle-card {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 14px !important;
  padding: 10px 12px !important;
  border-radius: 10px !important;
  background: var(--bg-subtle) !important;
  border: 1px solid transparent !important;
  cursor: pointer !important;
  user-select: none !important;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.settings-toggle-card:hover {
  background: var(--bg-card-hover) !important;
  border-color: var(--border-subtle) !important;
  transform: translateY(-1px) !important;
}

.settings-toggle-card.highlight-toggle {
  background: rgba(99, 102, 241, 0.05) !important;
  border-color: rgba(99, 102, 241, 0.18) !important;
}

.settings-toggle-card.highlight-toggle:hover {
  background: rgba(99, 102, 241, 0.09) !important;
  border-color: var(--accent-blue) !important;
}

.toggle-info {
  flex: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
}

.toggle-title-row {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
}

.toggle-icon {
  font-size: 0.95rem !important;
}

.toggle-title {
  font-size: 0.84rem !important;
  font-weight: 600 !important;
  color: var(--text-primary) !important;
}

.toggle-desc {
  font-size: 0.74rem !important;
  color: var(--text-muted) !important;
  margin: 0 !important;
  line-height: 1.35 !important;
}

/* Modern Sliding Switch Pill */
.modern-switch {
  position: relative !important;
  display: inline-block !important;
  width: 44px !important;
  height: 24px !important;
  flex-shrink: 0 !important;
}

.modern-switch input {
  opacity: 0 !important;
  width: 0 !important;
  height: 0 !important;
  position: absolute !important;
}

.switch-slider {
  position: absolute !important;
  cursor: pointer !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background-color: var(--border-subtle) !important;
  transition: 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
  border-radius: 24px !important;
  border: 1px solid var(--border-subtle) !important;
}

.switch-slider:before {
  position: absolute !important;
  content: "" !important;
  height: 18px !important;
  width: 18px !important;
  left: 2px !important;
  bottom: 2px !important;
  background-color: #ffffff !important;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25) !important;
  transition: 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
  border-radius: 50% !important;
}

.modern-switch input:checked + .switch-slider {
  background-color: var(--accent-blue) !important;
  border-color: var(--accent-blue) !important;
}

.modern-switch input:checked + .switch-slider:before {
  transform: translateX(20px) !important;
  background-color: #ffffff !important;
}

.modern-switch input:focus-visible + .switch-slider {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3) !important;
}

/* Quick Chips */
.settings-quick-chips-row {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 6px !important;
  margin-top: 4px !important;
}

.settings-quick-chip {
  padding: 5px 11px !important;
  border-radius: 20px !important;
  background: var(--bg-subtle) !important;
  border: 1px solid var(--border-subtle) !important;
  color: var(--text-secondary) !important;
  font-size: 0.76rem !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  user-select: none !important;
  transition: all 0.16s ease !important;
}

.settings-quick-chip:hover {
  background: var(--bg-card-hover) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-focus) !important;
  transform: translateY(-1px) !important;
}

.settings-quick-chip:active {
  transform: scale(0.96) !important;
}

/* Settings Actions Footer */
.settings-actions-footer {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 10px !important;
  margin-top: 4px !important;
  padding-top: 4px !important;
}

.btn-settings-reset {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 10px 16px !important;
  border-radius: 10px !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  background: var(--bg-subtle) !important;
  border: 1px solid var(--border-subtle) !important;
  color: var(--text-secondary) !important;
  cursor: pointer !important;
  transition: all 0.16s ease !important;
}

.btn-settings-reset svg {
  width: 15px !important;
  height: 15px !important;
}

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

.btn-settings-save {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 10px 22px !important;
  border-radius: 10px !important;
  font-size: 0.88rem !important;
  font-weight: 700 !important;
  background: var(--accent-blue) !important;
  color: #ffffff !important;
  border: none !important;
  cursor: pointer !important;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35) !important;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.btn-settings-save svg {
  width: 16px !important;
  height: 16px !important;
}

.btn-settings-save:hover {
  filter: brightness(1.1) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.45) !important;
}

.btn-settings-save:active {
  transform: scale(0.97) !important;
}