/* KIT Bot Mini App — Telegram theme variables */
:root {
  --tg-theme-bg-color: #ffffff;
  --tg-theme-text-color: #000000;
  --tg-theme-hint-color: #999999;
  --tg-theme-link-color: #2481cc;
  --tg-theme-button-color: #2481cc;
  --tg-theme-button-text-color: #ffffff;
  --tg-theme-secondary-bg-color: #f0f0f0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--tg-theme-bg-color);
  color: var(--tg-theme-text-color);
  font-size: 15px;
  line-height: 1.4;
  min-height: 100vh;
}

/* Tab bar */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--tg-theme-bg-color);
  border-top: 1px solid rgba(0,0,0,0.1);
  display: flex;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 4px 6px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--tg-theme-hint-color);
  font-size: 10px;
  gap: 3px;
  transition: color 0.15s;
}

.tab-btn.active {
  color: var(--tg-theme-button-color);
}

.tab-btn svg {
  width: 22px;
  height: 22px;
}

/* Main content area */
.content {
  padding: 12px 14px 80px;
}

.tab-pane {
  display: none;
}

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

/* Section headers */
.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--tg-theme-hint-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 16px 0 8px;
}

/* Cards */
.card {
  background: var(--tg-theme-secondary-bg-color);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
}

.card-title {
  font-weight: 500;
  font-size: 15px;
  margin-bottom: 4px;
}

.card-meta {
  font-size: 12px;
  color: var(--tg-theme-hint-color);
}

/* Task items */
.task-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--tg-theme-secondary-bg-color);
  margin-bottom: 6px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.task-item.done {
  opacity: 0.5;
}

.task-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--tg-theme-hint-color);
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.task-item.done .task-checkbox {
  background: #4cd964;
  border-color: #4cd964;
  color: white;
}

.task-title {
  flex: 1;
  font-size: 14px;
}

.task-item.done .task-title {
  text-decoration: line-through;
}

.priority-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}
.priority-dot.high { background: #ff3b30; }
.priority-dot.medium { background: #ff9500; }
.priority-dot.low { background: #34c759; }

/* Stats row */
.stats-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.stat-card {
  flex: 1;
  background: var(--tg-theme-secondary-bg-color);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--tg-theme-button-color);
}

.stat-label {
  font-size: 11px;
  color: var(--tg-theme-hint-color);
  margin-top: 2px;
}

/* Kanban */
.kanban {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  overflow-x: auto;
}

.kanban-col {
  min-width: 0;
}

.kanban-header {
  font-size: 12px;
  font-weight: 600;
  color: var(--tg-theme-hint-color);
  text-align: center;
  padding: 6px 4px;
  margin-bottom: 6px;
  border-radius: 6px;
  background: var(--tg-theme-secondary-bg-color);
}

.kanban-card {
  background: var(--tg-theme-secondary-bg-color);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 6px;
  font-size: 13px;
  cursor: grab;
  word-break: break-word;
}

.kanban-card .priority-dot {
  display: inline-block;
  margin-right: 4px;
  vertical-align: middle;
}

/* Health ring */
.ring-container {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.ring-canvas {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
}

.ring-info {
  flex: 1;
}

.ring-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--tg-theme-button-color);
}

.ring-label {
  font-size: 13px;
  color: var(--tg-theme-hint-color);
}

/* Exercise list */
.exercise-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--tg-theme-secondary-bg-color);
  border-radius: 10px;
  margin-bottom: 6px;
}

.exercise-name {
  font-size: 14px;
}

.exercise-group {
  font-size: 11px;
  color: var(--tg-theme-hint-color);
}

.btn-done {
  background: var(--tg-theme-button-color);
  color: var(--tg-theme-button-text-color);
  border: none;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-done:disabled {
  background: #4cd964;
  cursor: default;
}

/* Chart bar */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 80px;
  margin-bottom: 4px;
}

.bar {
  flex: 1;
  background: var(--tg-theme-button-color);
  border-radius: 3px 3px 0 0;
  min-height: 2px;
  opacity: 0.7;
  transition: height 0.3s;
}

.bar-labels {
  display: flex;
  gap: 4px;
  font-size: 9px;
  color: var(--tg-theme-hint-color);
  text-align: center;
}

.bar-label {
  flex: 1;
}

/* French tab */
.french-card {
  background: var(--tg-theme-secondary-bg-color);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
  margin-bottom: 12px;
}

.french-word {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 6px;
}

.french-gender {
  font-size: 14px;
  color: var(--tg-theme-hint-color);
}

.french-translation {
  font-size: 20px;
  font-weight: 500;
  margin: 12px 0;
  color: var(--tg-theme-button-color);
}

.french-example {
  font-size: 13px;
  color: var(--tg-theme-hint-color);
  font-style: italic;
  margin-top: 8px;
}

.review-btns {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.review-btn {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
}

.review-btn.easy { background: #4cd964; color: white; }
.review-btn.hard { background: #ff9500; color: white; }
.review-btn.forgot { background: #ff3b30; color: white; }

/* Level badges */
.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 600;
}
.badge-A1 { background: #d4edda; color: #155724; }
.badge-A2 { background: #fff3cd; color: #856404; }
.badge-B1 { background: #fde8d8; color: #8a3a0a; }

/* Loading / empty states */
.loading {
  text-align: center;
  color: var(--tg-theme-hint-color);
  padding: 32px 16px;
}

.empty {
  text-align: center;
  color: var(--tg-theme-hint-color);
  padding: 24px 16px;
  font-size: 14px;
}

/* Calendar events */
.event-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.event-time {
  font-size: 12px;
  color: var(--tg-theme-hint-color);
  width: 40px;
  flex-shrink: 0;
  padding-top: 2px;
}

.event-title {
  font-size: 14px;
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--tg-theme-button-color);
  color: var(--tg-theme-button-text-color);
  border: none;
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 15px;
  cursor: pointer;
  width: 100%;
  text-align: center;
  margin-top: 8px;
}

.btn-secondary {
  background: var(--tg-theme-secondary-bg-color);
  color: var(--tg-theme-text-color);
}

/* FMD status */
.fmd-banner {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
}

.fmd-day {
  font-size: 28px;
  font-weight: 700;
}

.fmd-label {
  font-size: 13px;
  opacity: 0.85;
}