/* Base Reset and Modern Theme System */
:root {
  /* Color Palette (HSL based for easy variations) */
  --bg-app: hsl(222, 28%, 8%);
  --bg-gradient: radial-gradient(circle at top right, hsl(160, 40%, 10%), var(--bg-app) 70%);
  --bg-card: hsla(222, 24%, 14%, 0.7);
  --bg-card-hover: hsla(222, 24%, 18%, 0.85);
  --bg-card-border: hsla(222, 20%, 26%, 0.45);
  --bg-dialog: hsl(222, 25%, 12%);
  --bg-dialog-overlay: rgba(8, 12, 20, 0.75);

  --color-primary: hsl(158, 65%, 43%);
  --color-primary-hover: hsl(158, 65%, 36%);
  --color-primary-glow: hsla(158, 65%, 43%, 0.25);
  
  --color-accent-blue: hsl(198, 85%, 48%);
  --color-accent-blue-glow: hsla(198, 85%, 48%, 0.25);
  
  --color-warning: hsl(36, 92%, 53%);
  --color-warning-glow: hsla(36, 92%, 53%, 0.2);
  --color-warning-hover: hsl(36, 92%, 45%);

  --color-danger: hsl(355, 78%, 56%);
  --color-danger-hover: hsl(355, 78%, 48%);

  --text-primary: hsl(210, 25%, 98%);
  --text-secondary: hsl(218, 14%, 76%);
  --text-tertiary: hsl(218, 12%, 55%);
  --text-inverse: hsl(222, 28%, 8%);

  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  --box-shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  --box-shadow-glow: 0 0 20px 0 var(--color-primary-glow);
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-app);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 24px 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-card-border);
  border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* App Container */
.app-container {
  width: 100%;
  max-width: 1000px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Header styling */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid var(--bg-card-border);
  padding-bottom: 20px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-area .icon {
  font-size: 2.2rem;
  filter: drop-shadow(0 0 8px var(--color-primary));
}

.logo-area h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  color: var(--text-secondary);
  font-weight: 300;
  font-size: 1.1rem;
  flex-grow: 1;
  margin-left: 8px;
}

.badge {
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: var(--box-shadow-glow);
}

/* Dashboard Grid Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

/* Card Styling (Glassmorphism) */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-md);
  padding: 24px;
  box-shadow: var(--box-shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Stats Summary Cards */
.stats-panel {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--box-shadow-card);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-color, var(--color-primary));
}

#card-cravings { --accent-color: var(--color-primary); }
#card-gums { --accent-color: var(--color-warning); }
#card-ratio { --accent-color: var(--color-accent-blue); }

.stat-card h3 {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.stat-card .stat-val {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.1;
  margin: 12px 0 6px 0;
  color: var(--text-primary);
}

.stat-card .stat-meta {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

/* Action Center */
.action-center {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.action-center h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Active Timer Panel */
.timer-panel {
  grid-column: span 7;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-color: var(--color-primary);
  box-shadow: var(--box-shadow-glow);
  animation: fadeIn 0.4s ease-out;
}

.timer-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.timer-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  margin-top: 4px;
}

.timer-display-container {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}

.progress-ring-wrapper {
  position: relative;
  width: 220px;
  height: 220px;
}

.progress-ring {
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}

.progress-ring-fill {
  stroke-dasharray: 603.18; /* 2 * PI * 96 */
  stroke-dashoffset: 603.18;
  transition: stroke-dashoffset 0.5s linear;
  stroke-linecap: round;
}

.timer-countdown {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

#countdown-text {
  font-size: 3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
}

/* Breathing Animation Circle */
.breathing-guide {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 160px;
}

.breath-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-primary) 0%, hsla(158, 65%, 43%, 0.4) 100%);
  box-shadow: var(--box-shadow-glow);
  transition: transform 4s ease-in-out;
}

/* Dynamic classes added by JS for breathing states */
.breath-circle.inhale {
  transform: scale(1.6);
  background: radial-gradient(circle, var(--color-primary) 30%, hsla(158, 65%, 43%, 0.6) 100%);
}

.breath-circle.exhale {
  transform: scale(0.9);
  background: radial-gradient(circle, hsl(158, 65%, 36%) 100%);
}

#breathing-instruction {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  text-align: center;
  min-height: 24px;
}

.mindfulness-card {
  background: hsla(222, 25%, 6%, 0.5);
  border-left: 3px solid var(--color-accent-blue);
  padding: 14px 16px;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

#mindfulness-prompt {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-secondary);
}

.timer-actions {
  display: flex;
  gap: 12px;
}

.timer-actions .btn {
  flex: 1;
}

/* Adjust Action Center grid width if timer is hidden */
.action-center.full-width {
  grid-column: span 12;
}

.action-center.full-width .action-buttons {
  flex-direction: row;
}

.action-center.full-width .action-buttons .btn {
  flex: 1;
}

/* Analytics Tab System */
.analytics-section {
  grid-column: span 12;
}

.section-header-tabs {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--bg-card-border);
  padding-bottom: 12px;
}

.section-header-tabs h2 {
  font-size: 1.4rem;
  font-weight: 700;
}

.tabs {
  display: flex;
  background: hsla(222, 25%, 6%, 0.6);
  border-radius: var(--border-radius-sm);
  padding: 4px;
  border: 1px solid var(--bg-card-border);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 18px;
  border-radius: calc(var(--border-radius-sm) - 2px);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

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

.tab-btn.active {
  background: var(--bg-card-border);
  color: var(--text-primary);
}

.tab-content {
  display: none;
}

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

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
}

.chart-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: 220px;
}

.donut-chart-container {
  max-width: 240px;
  margin: 0 auto;
}

.donut-center-label {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

#donut-total {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}

.donut-sub {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.chart-svg {
  width: 100%;
  height: 100%;
  max-height: 240px;
}

/* SVG Chart details */
.donut-slice {
  fill: none;
  stroke-width: 18;
  transition: stroke-dashoffset 0.5s ease-out, stroke 0.3s ease;
}

.chart-legend {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-info {
  display: flex;
  flex-direction: column;
}

.legend-label {
  font-weight: 500;
  color: var(--text-primary);
}

.legend-count {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* Trend charts */
.trends-legend {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 16px;
}

/* History Logs Tab Table styling */
.history-table-wrapper {
  overflow-x: auto;
  max-height: 380px;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.history-table th {
  border-bottom: 2px solid var(--bg-card-border);
  padding: 12px 16px;
  color: var(--text-secondary);
  font-weight: 600;
  position: sticky;
  top: 0;
  background: var(--bg-dialog);
}

.history-table td {
  border-bottom: 1px solid var(--bg-card-border);
  padding: 14px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}

.history-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* History Badges */
.table-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
}

.badge-trigger-work, .badge-trigger-work-focus { background: hsla(158, 65%, 43%, 0.15); color: var(--color-primary); }
.badge-trigger-meal, .badge-trigger-post-meal { background: hsla(198, 85%, 48%, 0.15); color: var(--color-accent-blue); }
.badge-trigger-morning, .badge-trigger-morning-routine { background: hsla(36, 92%, 53%, 0.15); color: var(--color-warning); }
.badge-trigger-emotional, .badge-trigger-emotional-anxiety { background: hsla(355, 78%, 56%, 0.15); color: var(--color-danger); }
.badge-trigger-bored { background: hsla(260, 60%, 65%, 0.15); color: hsl(260, 80%, 75%); }
.badge-trigger-happy { background: hsla(45, 95%, 55%, 0.15); color: hsl(45, 95%, 60%); }
.badge-trigger-depressed { background: hsla(210, 50%, 45%, 0.15); color: hsl(210, 70%, 65%); }
.badge-trigger-casual-oral-fixation { background: hsla(180, 60%, 45%, 0.15); color: hsl(180, 75%, 55%); }

.outcome-text {
  font-weight: 500;
}
.outcome-success { color: var(--color-primary); }
.outcome-bypassed { color: var(--color-warning); }
.outcome-direct { color: var(--text-secondary); }

.intensity-dot-bar {
  display: inline-flex;
  gap: 2px;
  width: 80px;
  background: hsla(222, 25%, 6%, 0.6);
  padding: 4px;
  border-radius: 4px;
}

.dot-segment {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

.dot-segment.active-mild { background: var(--color-primary); }
.dot-segment.active-med { background: var(--color-warning); }
.dot-segment.active-high { background: var(--color-danger); }

/* Buttons styling */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

.btn-icon {
  font-size: 1.3rem;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 0 16px 0 hsla(158, 65%, 43%, 0.4);
}

.btn-secondary {
  background: var(--bg-card-border);
  color: var(--text-primary);
  border: 1px solid hsla(222, 20%, 35%, 0.4);
}
.btn-secondary:hover {
  background: hsla(222, 20%, 35%, 0.6);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--bg-card-border);
  color: var(--text-primary);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
}

.btn-warning {
  background: var(--color-warning);
  color: var(--text-inverse);
}
.btn-warning:hover {
  background: var(--color-warning-hover);
  box-shadow: 0 0 16px 0 var(--color-warning-glow);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--text-primary);
}
.btn-danger:hover {
  background: var(--color-danger-hover);
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.btn-large {
  padding: 18px 24px;
  border-radius: var(--border-radius-md);
  text-align: left;
  justify-content: flex-start;
}

.btn-text-wrapper {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.btn-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.btn-subtitle {
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.8;
  margin-top: 2px;
}

.btn-action-delete {
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
  padding: 4px;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.btn-action-delete:hover {
  opacity: 1;
}

/* Modals & Dialog System styling */
dialog {
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-md);
  background: var(--bg-dialog);
  color: var(--text-primary);
  max-width: 500px;
  width: 90%;
  padding: 0;
  margin: auto;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

dialog::backdrop {
  background-color: var(--bg-dialog-overlay);
  backdrop-filter: blur(8px);
}

/* Modern dialog animation via starting-style */
dialog[open] {
  opacity: 1;
  transform: scale(1);
  
  @starting-style {
    opacity: 0;
    transform: scale(0.95);
  }
}

dialog {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.3s ease, transform 0.3s ease, display 0.3s allow-discrete, overlay 0.3s allow-discrete;
}

dialog::backdrop {
  opacity: 0;
  transition: opacity 0.3s ease, display 0.3s allow-discrete, overlay 0.3s allow-discrete;
}

dialog[open]::backdrop {
  opacity: 1;
  
  @starting-style {
    opacity: 0;
  }
}

.dialog-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.dialog-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

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

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 12px;
}

/* Form Styling inside Dialog */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.trigger-select-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.trigger-option input[type="radio"] {
  display: none;
}

.option-card {
  border: 1px solid var(--bg-card-border);
  background: hsla(222, 25%, 6%, 0.4);
  border-radius: var(--border-radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.25s;
}

.option-icon {
  font-size: 1.8rem;
}

.option-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
}

.trigger-option input[type="radio"]:checked + .option-card {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
  box-shadow: 0 0 12px 0 var(--color-primary-glow);
}

.trigger-option:nth-of-type(2) input[type="radio"]:checked + .option-card {
  border-color: var(--color-accent-blue);
  background: var(--color-accent-blue-glow);
  box-shadow: 0 0 12px 0 var(--color-accent-blue-glow);
}

.trigger-option:nth-of-type(3) input[type="radio"]:checked + .option-card {
  border-color: var(--color-warning);
  background: var(--color-warning-glow);
  box-shadow: 0 0 12px 0 var(--color-warning-glow);
}

.trigger-option:nth-of-type(4) input[type="radio"]:checked + .option-card {
  border-color: var(--color-danger);
  background: hsla(355, 78%, 56%, 0.1);
  box-shadow: 0 0 12px 0 hsla(355, 78%, 56%, 0.1);
}

.trigger-option:nth-of-type(5) input[type="radio"]:checked + .option-card {
  border-color: hsl(260, 60%, 65%);
  background: hsla(260, 60%, 65%, 0.15);
  box-shadow: 0 0 12px 0 hsla(260, 60%, 65%, 0.15);
}

.trigger-option:nth-of-type(6) input[type="radio"]:checked + .option-card {
  border-color: hsl(45, 95%, 55%);
  background: hsla(45, 95%, 55%, 0.15);
  box-shadow: 0 0 12px 0 hsla(45, 95%, 55%, 0.15);
}

.trigger-option:nth-of-type(7) input[type="radio"]:checked + .option-card {
  border-color: hsl(210, 50%, 45%);
  background: hsla(210, 50%, 45%, 0.15);
  box-shadow: 0 0 12px 0 hsla(210, 50%, 45%, 0.15);
}

.trigger-option:nth-of-type(8) input[type="radio"]:checked + .option-card {
  border-color: hsl(180, 60%, 45%);
  background: hsla(180, 60%, 45%, 0.15);
  box-shadow: 0 0 12px 0 hsla(180, 60%, 45%, 0.15);
}

/* Slider Controls */
.slider-label-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.intensity-badge {
  background: var(--color-warning);
  color: var(--text-inverse);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-card-border);
  border-radius: 3px;
  outline: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
  transition: transform 0.1s;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* Input text fields */
.form-group input[type="text"] {
  background: hsla(222, 25%, 6%, 0.5);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input[type="text"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 8px 0 var(--color-primary-glow);
}

/* Import zone custom styles */
.import-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.import-dropzone {
  border: 2px dashed var(--bg-card-border);
  border-radius: var(--border-radius-sm);
  padding: 32px 16px;
  text-align: center;
  cursor: pointer;
  position: relative;
  background: hsla(222, 25%, 6%, 0.2);
  transition: border-color 0.3s;
}

.import-dropzone:hover {
  border-color: var(--color-primary);
}

.import-dropzone input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.import-dropzone p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Export options */
.export-options-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Footer Styling */
.app-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--bg-card-border);
  padding-top: 20px;
  margin-top: 12px;
}

.footer-left {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.dev-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  cursor: pointer;
  user-select: none;
}

.dev-toggle input[type="checkbox"] {
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Helper Utilities */
.hidden {
  display: none !important;
}

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

/* --- Time Patterns Summary & Chart Styling --- */
.time-pattern-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.time-summary-card {
  background: hsla(222, 25%, 6%, 0.4);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-sm);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.time-summary-card:hover {
  transform: translateY(-2px);
  border-color: hsla(222, 20%, 30%, 1);
}

.time-icon {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.time-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.time-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* --- Daily History Filter Toolbar --- */
.history-filter-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: hsla(222, 25%, 6%, 0.4);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-sm);
}

.filter-btn-group {
  display: flex;
  gap: 6px;
  background: hsla(222, 28%, 10%, 0.6);
  padding: 4px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--bg-card-border);
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  color: var(--text-primary);
  background: hsla(222, 20%, 18%, 0.5);
}

.filter-btn.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 10px var(--color-primary-glow);
}

.filter-date-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.date-picker-input {
  background: hsla(222, 25%, 6%, 0.7);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-sm);
  padding: 6px 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
}

.date-picker-input:focus {
  border-color: var(--color-primary);
}

.daily-summary-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: hsla(222, 20%, 14%, 0.5);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--bg-card-border);
}

.daily-summary-badge strong {
  color: var(--text-primary);
}

.badge-separator {
  color: var(--text-tertiary);
  opacity: 0.6;
}

/* --- Direct Gum Modal Input Styling --- */
.input-field, .select-field {
  width: 100%;
  background: hsla(222, 25%, 6%, 0.7);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.input-field:focus, .select-field:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 8px 0 var(--color-primary-glow);
}

.field-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 6px;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .dashboard-grid {
    gap: 16px;
  }
  
  .stats-panel {
    grid-column: span 12;
  }
  
  .timer-panel {
    grid-column: span 12;
  }
  
  .action-center {
    grid-column: span 12;
  }
  
  .action-center .action-buttons {
    flex-direction: row;
  }
  
  .action-center .action-buttons .btn {
    flex: 1;
  }
  
  .charts-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .donut-chart-container {
    max-width: 180px;
  }
}

@media (max-width: 600px) {
  body {
    padding: 12px 8px;
  }
  
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .tagline {
    margin-left: 0;
  }
  
  .stats-panel {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .action-center .action-buttons {
    flex-direction: column;
  }
  
  .timer-display-container {
    flex-direction: column;
    align-items: center;
  }
  
  .breathing-guide {
    width: 100%;
  }
  
  .timer-actions {
    flex-direction: column;
  }
  
  .app-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}