/* CSS 변수 정의 */
:root {
  /* Colors - Light */
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #6c757d;
  --color-text-muted: #adb5bd;
  --color-border: #e9ecef;
  --color-primary: #4A90D9;
  --color-primary-light: #e8f1fb;
  --color-danger: #dc3545;
  --color-danger-light: #fce8ea;
  --color-success: #28a745;
  --color-warning: #ffc107;

  /* Timer colors */
  --color-focus: #4A90D9;
  --color-break: #28a745;
  --color-long-break: #6f42c1;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Safe area */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a2e;
    --color-surface: #16213e;
    --color-surface-elevated: #1f2b47;
    --color-text: #f8f9fa;
    --color-text-secondary: #adb5bd;
    --color-text-muted: #6c757d;
    --color-border: #2d3a5c;
    --color-primary-light: #1f3a5f;
    --color-danger-light: #3d1f23;
  }
}

/* Theme override classes */
[data-theme="light"] {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #6c757d;
  --color-text-muted: #adb5bd;
  --color-border: #e9ecef;
  --color-primary-light: #e8f1fb;
  --color-danger-light: #fce8ea;
}

[data-theme="dark"] {
  --color-bg: #1a1a2e;
  --color-surface: #16213e;
  --color-surface-elevated: #1f2b47;
  --color-text: #f8f9fa;
  --color-text-secondary: #adb5bd;
  --color-text-muted: #6c757d;
  --color-border: #2d3a5c;
  --color-primary-light: #1f3a5f;
  --color-danger-light: #3d1f23;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  overflow-x: hidden;
}

button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input, select {
  font-family: inherit;
  font-size: inherit;
}

ul {
  list-style: none;
}

/* App container */
#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* Screen */
.screen {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

.screen.active {
  display: flex;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.header-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.header-btn:active {
  background: var(--color-border);
}

.header-btn.text-btn {
  width: auto;
  padding: 0 var(--space-md);
  color: var(--color-primary);
  font-weight: 600;
}

.header-btn-placeholder {
  width: 44px;
}

/* Home content */
.home-content {
  flex: 1;
  padding: var(--space-md);
  padding-bottom: calc(var(--space-xl) + 60px);
  overflow-y: auto;
}

/* Greeting */
.greeting {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-md) 0;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.greeting:active {
  color: var(--color-primary);
}

/* Presets list */
.presets-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Presets list - hide overflow for swipe */
.presets-list {
  overflow-x: hidden;
}

/* Swipeable card container */
.preset-card-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.preset-card-actions {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  z-index: 0;
}

.preset-card-actions.left {
  left: var(--space-md);
}

.preset-card-actions.right {
  right: var(--space-md);
}

.preset-card-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: white;
  border: none;
  cursor: pointer;
}

.preset-card-action.edit {
  background: #5B7FFF;
}

.preset-card-action.delete {
  background: #FF6B6B;
}

.preset-card-action:active {
  opacity: 0.85;
}

.preset-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease;
  cursor: pointer;
  position: relative;
  z-index: 1;
  will-change: transform;
}

.preset-card:active {
  background: var(--color-surface-elevated);
}

/* 드래그 중인 카드 */
.preset-card-wrapper.dragging {
  opacity: 0.9;
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

.preset-card-wrapper.dragging .preset-card {
  background: var(--color-surface-elevated);
}

/* 드래그 플레이스홀더 */
.preset-card-placeholder {
  background: var(--color-border);
  border-radius: var(--radius-md);
  opacity: 0.5;
}

.preset-card-wrapper:has(.preset-card[style*="translateX"]) .preset-card:active {
  background: var(--color-surface);
}

.preset-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
  min-width: 0;
}

.preset-chevron {
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.preset-name {
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preset-detail {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.preset-type-badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-right: var(--space-sm);
}

.preset-type-badge.simple {
  background: #E8F5E9;
  color: #2E7D32;
}

.preset-type-badge.interval {
  background: #FFF3E0;
  color: #E65100;
}

.preset-type-badge.pomodoro {
  background: #FCE4EC;
  color: #C2185B;
}

.preset-type-badge.stopwatch {
  background: #E3F2FD;
  color: #1565C0;
}


/* FAB */
.fab {
  position: fixed;
  bottom: calc(var(--space-lg) + var(--safe-bottom));
  right: var(--space-lg);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(74, 144, 217, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  z-index: 50;
}

.fab:active {
  transform: scale(0.95);
}

/* Timer screen */
.timer-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  gap: var(--space-lg);
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.timer-phase {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
}

.timer-display {
  position: relative;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none;
}

.timer-circle {
  position: absolute;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer-circle-bg {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 8;
}

.timer-circle-progress {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 565.48;
  /* stroke-dashoffset은 JavaScript로 제어 */
}

.timer-time {
  font-size: 3.5rem;
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.timer-info {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-align: center;
  min-height: 1.5em;
}

.timer-controls {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.control-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

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

.control-btn.primary {
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(74, 144, 217, 0.4);
}

.control-btn.secondary {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  color: var(--color-text-secondary);
}

/* Lap times */
.lap-times {
  width: 100%;
  max-width: 300px;
  max-height: 150px;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.lap-times-header {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.lap-times-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.lap-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.lap-item-number {
  color: var(--color-text-secondary);
}

.lap-btn {
  width: auto;
  padding: var(--space-sm) var(--space-lg);
  font-weight: 500;
}

/* Editor content */
.editor-content {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-select {
  padding: var(--space-sm) var(--space-md);
  padding-right: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  position: relative;
}

/* 비iOS 기기에서만 커스텀 스타일 적용 */
@supports not (-webkit-touch-callout: none) {
  .form-select {
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
  }
}

.form-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-lg) 0;
}

/* Type tabs */
.type-tabs {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.type-tab {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.type-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.type-tab[data-type="simple"].active {
  background: #2E7D32;
  border-color: #2E7D32;
}

.type-tab[data-type="interval"].active {
  background: #E65100;
  border-color: #E65100;
}

.type-tab[data-type="pomodoro"].active {
  background: #C2185B;
  border-color: #C2185B;
}

.type-tab[data-type="stopwatch"].active {
  background: #1565C0;
  border-color: #1565C0;
}

/* Time picker */
.time-picker {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.time-picker-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.time-input {
  width: 64px;
  height: 56px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.time-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.time-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Stepper */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.stepper-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: background var(--transition-fast);
}

.stepper-btn:active {
  background: var(--color-border);
}

.stepper-input {
  width: 64px;
  height: 48px;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.stepper-suffix {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Segments */
.segments-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.segment-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.segment-color {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.segment-name-input {
  flex: 1;
  padding: var(--space-sm);
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 0.875rem;
}

.segment-name-input:focus {
  outline: none;
}

.segment-time {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.segment-time-input {
  width: 48px;
  padding: var(--space-xs) var(--space-sm);
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.875rem;
}

.segment-time-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.segment-delete-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
}

.segment-delete-btn:active {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.add-segment-btn {
  width: 100%;
  padding: var(--space-md);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-weight: 500;
  transition: background var(--transition-fast);
}

.add-segment-btn:active {
  background: var(--color-primary-light);
}

/* Empty config */
.empty-config {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-secondary);
}

.empty-config p {
  margin-bottom: var(--space-sm);
}

/* Toggle */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.toggle-row:last-child {
  border-bottom: none;
}

.toggle {
  position: relative;
  width: 51px;
  height: 31px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 27px;
  height: 27px;
  left: 2px;
  bottom: 2px;
  background: white;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle input:checked + .toggle-slider {
  background: var(--color-primary);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* Delete button */
.delete-btn {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-danger-light);
  color: var(--color-danger);
  border-radius: var(--radius-md);
  font-weight: 500;
  margin-top: var(--space-xl);
}

/* Settings */
.settings-content {
  flex: 1;
  padding: var(--space-md);
  padding-bottom: calc(var(--space-xl) + var(--safe-bottom));
}

.settings-section {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.settings-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}

.settings-btn {
  width: 100%;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  margin-top: var(--space-sm);
  text-align: center;
}

.settings-btn.danger {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(var(--space-xl) + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  z-index: 100;
  white-space: nowrap;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Dialog */
.dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 200;
}

.dialog-overlay.show {
  opacity: 1;
  visibility: visible;
}

.dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  width: 100%;
  max-width: 320px;
  transform: scale(0.9);
  transition: transform var(--transition-fast);
}

.dialog-overlay.show .dialog {
  transform: scale(1);
}

.dialog-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.dialog-message {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.dialog .form-input {
  margin-bottom: var(--space-lg);
}

.dialog-buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

.dialog-btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.dialog-btn.primary {
  background: var(--color-primary);
  color: white;
}

/* Utility */
.text-muted {
  color: var(--color-text-muted);
}

/* Hide on certain types */
.type-config {
  animation: fadeIn var(--transition-fast);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-secondary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state-title {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

/* Screen transition */
.screen {
  animation: slideIn var(--transition-normal);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 설정 화면 - iOS select 피커 위치 문제 방지 */
#settings.screen.active {
  animation: none;
  transform: none;
}

/* 타이머 화면 스크롤 방지 */
#timer.screen {
  overflow: hidden;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  touch-action: none;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: auto;
}

/* Today Summary */
.today-summary {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.summary-header span {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.summary-more-btn {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  margin: calc(-1 * var(--space-xs)) calc(-1 * var(--space-sm));
  border-radius: var(--radius-sm);
}

.summary-more-btn:active {
  background: var(--color-primary-light);
}

.summary-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.summary-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9375rem;
  color: var(--color-text);
}

.summary-icon {
  font-size: 1rem;
}

/* Records Screen */
.records-content {
  flex: 1;
  padding: var(--space-md);
  padding-bottom: calc(var(--space-xl) + var(--safe-bottom));
  overflow-y: auto;
}

.records-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.records-tab {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.records-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.records-date-header {
  margin-bottom: var(--space-md);
}

.records-date {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.records-summary {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.records-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.record-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.record-time {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  min-width: 45px;
}

.record-info {
  flex: 1;
  min-width: 0;
}

.record-name {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 500;
  margin-bottom: 2px;
}

.record-icon {
  font-size: 1rem;
}

.record-duration {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.record-delete-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.record-delete-btn:active {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.records-empty {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-secondary);
}

.records-empty-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

/* Complete Overlay */
.complete-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 100;
  cursor: pointer;
  overflow: hidden;
}

.complete-overlay.show {
  opacity: 1;
  visibility: visible;
}

.complete-content {
  text-align: center;
  z-index: 10;
}

.complete-emoji {
  font-size: 5rem;
  animation: bounce 0.6s ease infinite alternate;
}

@keyframes bounce {
  from { transform: scale(1) translateY(0); }
  to { transform: scale(1.1) translateY(-10px); }
}

.complete-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-md);
}

.complete-message {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

.complete-hint {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xl);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Confetti */
.confetti-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  top: -10px;
  animation: confetti-fall linear forwards;
}

.confetti:nth-child(odd) {
  border-radius: 50%;
}

@keyframes confetti-fall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0.7;
  }
}