/* ============================================
   番茄钟专属样式 - 计时器、控制按钮、动画
   ============================================ */

/* ---- 番茄钟主区域 ---- */
.timer-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-2xl) 0;
}

/* ---- 模式选择标签 ---- */
.timer-modes {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  background: var(--color-bg-tertiary);
  padding: 4px;
  border-radius: var(--radius-full);
}

.timer-mode-btn {
  padding: 8px 24px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.timer-mode-btn:hover {
  color: var(--color-text);
}

.timer-mode-btn.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.timer-mode-btn.active[data-mode="focus"] {
  color: var(--color-focus);
}

.timer-mode-btn.active[data-mode="short_break"] {
  color: var(--color-short-break);
}

.timer-mode-btn.active[data-mode="long_break"] {
  color: var(--color-long-break);
}

/* ---- 计时器圆环 ---- */
.timer-ring-container {
  position: relative;
  width: 300px;
  height: 300px;
  margin-bottom: var(--space-2xl);
}

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

.timer-ring-bg {
  fill: none;
  stroke: var(--color-bg-tertiary);
  stroke-width: 6;
}

.timer-ring-progress {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear, stroke var(--transition-base);
}

.timer-ring-progress[data-mode="short_break"] {
  stroke: var(--color-short-break);
}

.timer-ring-progress[data-mode="long_break"] {
  stroke: var(--color-long-break);
}

.timer-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.timer-display {
  font-size: 64px;
  font-weight: var(--font-bold);
  font-family: var(--font-mono);
  color: var(--color-text);
  letter-spacing: 2px;
  line-height: 1;
}

.timer-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  font-weight: var(--font-medium);
}

/* 运行时脉动效果 */
.timer-ring-container.running .timer-display {
  animation: pulse 2s ease-in-out infinite;
}

/* ---- 控制按钮组 ---- */
.timer-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.timer-btn-start {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.35);
  transition: all var(--transition-fast);
}

.timer-btn-start:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.45);
}

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

.timer-btn-start.running {
  background: var(--color-warning);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
}

.timer-btn-secondary {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all var(--transition-fast);
}

.timer-btn-secondary:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

/* ---- 任务选择区 ---- */
.timer-task-select {
  width: 100%;
  max-width: 400px;
  margin-bottom: var(--space-lg);
}

.timer-task-select select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  text-align: center;
}

/* ---- 中断计数 ---- */
.interruption-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.interruption-dots {
  display: flex;
  gap: 6px;
}

.interruption-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-bg-tertiary);
  transition: background var(--transition-fast);
}

.interruption-dot.active {
  background: var(--color-warning);
}

/* ---- 休息提示 ---- */
.break-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  animation: fadeIn var(--transition-base);
}

.break-overlay .break-message {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: white;
  margin-bottom: var(--space-lg);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
  .timer-ring-container {
    width: 240px;
    height: 240px;
  }

  .timer-display {
    font-size: 48px;
  }

  .timer-modes {
    flex-wrap: wrap;
    justify-content: center;
  }

  .timer-mode-btn {
    padding: 10px 20px;
    font-size: var(--text-sm);
    min-height: 44px;
  }

  .timer-btn-start {
    width: 64px;
    height: 64px;
  }

  .timer-btn-secondary {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 480px) {
  .timer-ring-container {
    width: 200px;
    height: 200px;
  }

  .timer-display {
    font-size: 40px;
  }
}