/* ============================================================
   FocusFlow Component Styles
   Reusable UI components for the focus companion app
   ============================================================ */

/* ── Bento Card ── */

.bento-card {
  position: relative;
  background: var(--bg-surface);
  border-radius: 32px;
  padding: var(--space-8);
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.1), 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow var(--transition-spring),
              filter var(--transition-fast);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.bento-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.2), 
              0 16px 40px rgba(0, 0, 0, 0.6);
  z-index: 10;
}

/* ── Vibrant Gradient Utilities ── */

.bg-gradient-twilight {
  background: linear-gradient(135deg, #4f46e5 0%, #c026d3 100%);
  color: white;
}

.bg-gradient-sunset {
  background: linear-gradient(135deg, #f97316 0%, #e11d48 100%);
  color: white;
}

.bg-gradient-ocean {
  background: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 100%);
  color: white;
}

.bg-gradient-emerald {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}

.bg-gradient-midnight {
  background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
  color: white;
}

.bg-gradient-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.card-action {
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.card-action:hover {
  color: var(--text-primary);
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: transform var(--transition-spring),
              background var(--transition-fast),
              box-shadow var(--transition-spring),
              border-color var(--transition-fast),
              color var(--transition-fast);
  border: none;
  outline: none;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.2), 0 4px 12px rgba(99, 102, 241, 0.15), 0 0 1px rgba(99, 102, 241, 0.5);
  letter-spacing: -0.01em;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.25),
              0 12px 28px rgba(99, 102, 241, 0.25),
              0 0 2px rgba(99, 102, 241, 0.8);
  filter: brightness(1.05);
}

.btn-primary.btn-large {
  padding: 16px 36px;
  font-size: 1.0625rem;
  border-radius: var(--radius-2xl);
}

/* ── Focus Orb (Dashboard) ── */
.btn-focus-orb {
  padding: 0;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  background: radial-gradient(circle at 30% 30%, rgba(167, 139, 250, 0.8) 0%, rgba(124, 58, 237, 0.9) 50%, rgba(76, 29, 149, 1) 100%);
  box-shadow: inset -10px -10px 20px rgba(0,0,0,0.5), inset 10px 10px 20px rgba(255,255,255,0.4), 0 20px 40px rgba(124, 58, 237, 0.6), 0 0 80px rgba(139, 92, 246, 0.4);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.5s ease;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: var(--space-4);
  color: white;
  border: none;
  cursor: pointer;
}

.btn-focus-orb svg {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-2);
  margin-left: 6px;
}

.btn-focus-orb:hover {
  transform: scale(1.05) translateY(-10px);
  box-shadow: inset -10px -10px 20px rgba(0,0,0,0.5), inset 10px 10px 20px rgba(255,255,255,0.6), 0 30px 60px rgba(124, 58, 237, 0.8), 0 0 120px rgba(139, 92, 246, 0.6);
}

.btn-focus-orb:active {
  transform: scale(0.95);
  box-shadow: inset -20px -20px 40px rgba(0,0,0,0.6), inset 5px 5px 10px rgba(255,255,255,0.2), 0 10px 20px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
  background: var(--bg-hover);
  transform: translateY(-1px);
}

.btn-secondary:active {
  background: var(--bg-elevated);
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: none;
}

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

.btn-ghost:active {
  background: var(--bg-elevated);
}

.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
}

.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-default);
}

.btn-icon:active {
  transform: scale(0.95);
}

/* ── Progress Ring (SVG-based) ── */

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

.progress-ring__bg {
  stroke: var(--border-subtle);
  fill: none;
}

.progress-ring__fill {
  fill: none;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-ring__text {
  fill: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: central;
}

/* ── Checkbox / Task Item ── */

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3.5) var(--space-4);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), transform var(--transition-spring);
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.015);
}

.checkbox-item:hover {
  background: var(--bg-hover);
  transform: translateX(2px);
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 1.5px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-spring);
  flex-shrink: 0;
  color: transparent;
  background: rgba(255, 255, 255, 0.01);
}

.checkbox-item:hover .checkbox-custom {
  border-color: var(--text-secondary);
}

.checkbox-item.completed .checkbox-custom {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
  animation: checkmark 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.checkbox-item.completed .checkbox-custom svg,
.checkbox-item.completed .checkbox-custom .checkmark-icon {
  opacity: 1;
  transform: scale(1);
}

.checkbox-custom svg,
.checkbox-custom .checkmark-icon {
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-spring);
}

.checkbox-text {
  flex: 1;
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: all var(--transition-normal);
}

.checkbox-item.completed .checkbox-text {
  color: var(--text-tertiary);
  text-decoration: line-through;
}

/* ── Input Field ── */

.input-field {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 11px 15px;
  color: var(--text-primary);
  font-size: 0.9375rem;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-fast);
  outline: none;
}

.input-field:focus {
  border-color: var(--border-focus);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.4), 0 0 0 3px var(--accent-subtle), 0 0 8px rgba(99, 102, 241, 0.25);
  background: var(--bg-surface);
}

.input-field::placeholder {
  color: var(--text-tertiary);
}

/* ── Badge ── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.71875rem;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.badge--streak {
  background: var(--warning-dim);
  color: var(--warning);
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.05);
}

.badge--accent {
  background: var(--accent-subtle);
  color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.05);
}

/* ── Rating Scale ── */

.rating-scale {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  justify-content: center;
}

.rating-dot {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-spring), 
              border-color var(--transition-fast), 
              background-color var(--transition-fast),
              box-shadow var(--transition-spring);
  font-size: 1.35rem;
  background: rgba(255, 255, 255, 0.01);
  color: var(--text-secondary);
}

.rating-dot:hover {
  transform: scale(1.12);
  border-color: var(--text-secondary);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.rating-dot.active {
  transform: scale(1.18);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

.rating-dot[data-rating="1"].active {
  border-color: var(--rating-1);
  background: rgba(248, 113, 113, 0.15);
  box-shadow: 0 8px 24px rgba(248, 113, 113, 0.2);
}

.rating-dot[data-rating="2"].active {
  border-color: var(--rating-2);
  background: rgba(251, 146, 60, 0.15);
  box-shadow: 0 8px 24px rgba(251, 146, 60, 0.2);
}

.rating-dot[data-rating="3"].active {
  border-color: var(--rating-3);
  background: rgba(251, 191, 36, 0.15);
  box-shadow: 0 8px 24px rgba(251, 191, 36, 0.2);
}

.rating-dot[data-rating="4"].active {
  border-color: var(--rating-4);
  background: rgba(52, 211, 153, 0.15);
  box-shadow: 0 8px 24px rgba(52, 211, 153, 0.2);
}

.rating-dot[data-rating="5"].active {
  border-color: var(--rating-5);
  background: rgba(99, 102, 241, 0.15);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.25);
}

/* ── Tag ── */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1.5px solid var(--border-default);
  color: var(--text-secondary);
  cursor: pointer;
  transition: transform var(--transition-spring), 
              border-color var(--transition-fast), 
              background-color var(--transition-fast), 
              color var(--transition-fast);
  user-select: none;
  background: rgba(255, 255, 255, 0.01);
}

.tag:hover {
  border-color: var(--text-secondary);
  transform: translateY(-1px);
}

.tag.active {
  background: var(--accent-subtle);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
  transform: translateY(-1px) scale(1.02);
}

.tag.active:hover {
  border-color: var(--accent-primary);
}

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ── Heatmap Grid ── */

.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.heatmap-cell {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1.5px solid transparent;
  transition: all var(--transition-spring);
}

.heatmap-cell:hover {
  transform: scale(1.35) translateY(-2px);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
  z-index: 10;
}

.heatmap-cell[data-level="1"] {
  background: rgba(0, 242, 254, 0.15);
  border-color: rgba(0, 242, 254, 0.05);
}

.heatmap-cell[data-level="2"] {
  background: rgba(124, 58, 237, 0.35);
  border-color: rgba(124, 58, 237, 0.1);
}

.heatmap-cell[data-level="3"] {
  background: rgba(254, 1, 154, 0.6);
  border-color: rgba(254, 1, 154, 0.15);
  box-shadow: 0 0 10px rgba(254, 1, 154, 0.15);
}

.heatmap-cell[data-level="4"] {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

/* ── Weekly Chart ── */

.weekly-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3.5);
  height: 140px;
  padding: var(--space-3) 0;
}

.chart-bar-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  height: 100%;
  justify-content: flex-end;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.025);
  border-radius: var(--radius-full);
  padding: 4px;
}

.chart-bar {
  width: 100%;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  min-height: 8px;
  height: 4px;
  transition: height 1s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s;
}

.chart-bar.active,
.chart-bar--filled {
  background: linear-gradient(180deg, var(--neon-cyan) 0%, var(--neon-indigo) 100%);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.3), inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
}

.chart-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

/* ── Insight Card ── */

.insight-card {
  position: relative;
  background: linear-gradient(
    135deg,
    rgba(0, 242, 254, 0.08) 0%,
    rgba(124, 58, 237, 0.04) 50%,
    rgba(254, 1, 154, 0.08) 100%
  ), var(--bg-surface);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 30px rgba(0, 242, 254, 0.02);
}

.insight-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 242, 254, 0.45);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.6), 0 0 24px rgba(0, 242, 254, 0.1);
}

.insight-icon {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
  display: block;
}

.insight-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.insight-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ── Stat Display ── */

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  font-feature-settings: 'tnum';
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Duration Picker ── */

.duration-picker {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.duration-option {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-default);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.duration-option.active {
  background: white;
  color: #0f172a;
  border-color: white;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.duration-option:hover:not(.active) {
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}

.duration-option:active {
  transform: scale(0.97);
}

/* ── View Containers ── */

.view {
  display: none;
  opacity: 0;
  min-height: 100vh;
}

.view.active {
  display: flex;
  flex-direction: column;
  opacity: 1;
  animation: fadeIn 0.3s ease both;
}

/* ── Glass Effect ── */

.glass {
  background: rgba(22, 22, 24, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
}

/* ── Empty State ── */

.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-6);
  color: var(--text-secondary);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.6;
  display: block;
}

.empty-state__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state__text {
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
  color: var(--text-secondary);
}

/* ── Confetti ── */

.confetti-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  animation: confettiFall var(--duration, 3s) ease-out forwards;
}

/* ── Glowing Typography & Canvas ── */

.text-gradient {
  background: var(--accent-gradient) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  display: inline-block !important;
}

#ambient-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: transparent !important;
}

/* ── End Session Button ── */
.btn-end-session {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  color: rgba(255, 255, 255, 0.7);
  height: 72px;
  padding: 0 40px;
  border-radius: 36px;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-end-session:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.2);
}

.btn-end-session:active {
  transform: translateY(0);
  background: rgba(239, 68, 68, 0.25);
}

/* ── Mindfulness Breathe Bubble ── */

.breathe-bubble-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 440px;
  height: 440px;
  pointer-events: none;
  z-index: -1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.breathe-bubble {
  position: absolute;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(0, 242, 254, 0.18) 0%, rgba(124, 58, 237, 0.05) 50%, transparent 70%);
  filter: blur(24px);
  animation: breathBubble 9s ease-in-out infinite;
}

.bubble-1 {
  width: 100%;
  height: 100%;
}

.bubble-2 {
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(254, 1, 154, 0.15) 0%, rgba(99, 102, 241, 0.03) 60%, transparent 70%);
  animation-delay: -4.5s;
}

@keyframes breathBubble {
  0%, 100% {
    transform: scale(0.8);
    opacity: 0.35;
    filter: blur(24px);
  }
  50% {
    transform: scale(1.15);
    opacity: 0.75;
    filter: blur(14px);
  }
}