/* pages.css — 页面布局 */

/* === 全局：禁止横向滚动（防溢出） === */
html, body { overflow-x: hidden; max-width: 100vw; }
.content, .page { overflow-x: hidden; max-width: 100%; box-sizing: border-box; }

/* === 整体布局：顶栏 + 侧栏 + 主区 === */
.app {
  display: grid;
  grid-template-rows: 64px 1fr;
  min-height: 100vh;
}

@media (max-width: 768px) {
  .app { grid-template-rows: 56px 1fr; }
}

/* === 顶栏 === */
.topbar {
  background: var(--c-bg-card);
  border-bottom: 2px solid var(--c-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 0 rgba(0,0,0,0.04);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 900; font-size: 22px;
  color: var(--theme-color);
  text-shadow: 0 2px 0 var(--theme-dark);
  letter-spacing: -0.5px;
}
.brand-logo {
  width: 40px; height: 40px;
  background: var(--theme-color);
  color: #FFF;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  box-shadow: 0 3px 0 var(--theme-dark);
}
.topbar-stats {
  display: flex; align-items: center; gap: 16px;
  margin-left: auto;
}
.stat-pill {
  display: flex; align-items: center; gap: 6px;
  background: var(--c-divider);
  padding: 6px 14px;
  border-radius: var(--r-full);
  font-weight: 700;
  font-size: 14px;
}
.stat-pill.streak { background: linear-gradient(90deg, #FF8C42, #FF4B4B); color: #FFF; }
.stat-pill.xp { background: linear-gradient(90deg, #FFC800, #FF8C42); color: #FFF; }
.stat-pill.gems { background: linear-gradient(90deg, #CE82FF, #FF6B9D); color: #FFF; }

/* === 主容器 === */
.main {
  display: grid;
  grid-template-columns: 220px 1fr;
  overflow: hidden;
}

/* === 侧栏 === */
.sidebar {
  background: var(--c-bg-card);
  border-right: 2px solid var(--c-border);
  padding: 16px 12px;
  overflow-y: auto;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  font-weight: 700;
  font-size: 15px;
  color: var(--c-text-light);
  cursor: pointer;
  transition: all .15s;
  margin-bottom: 4px;
}
.nav-item:hover { background: var(--c-divider); color: var(--c-text); }
.nav-item.active {
  background: var(--theme-color);
  color: #FFF;
  box-shadow: 0 4px 0 var(--theme-dark);
}
.nav-item.active .nav-icon { background: rgba(255,255,255,0.2); }
.nav-icon {
  width: 32px; height: 32px;
  border-radius: 10px;
  background: var(--c-divider);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.sidebar-section {
  font-size: 11px;
  font-weight: 800;
  color: var(--c-text-lighter);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 14px 8px 8px;
}

/* === 内容区 === */
.content {
  padding: 24px 32px;
  overflow-y: auto;
  background: var(--c-bg);
}
.page { display: none; }
.page.active { display: block; }

.page-header {
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-title {
  font-size: 28px;
  font-weight: 900;
  display: flex; align-items: center; gap: 12px;
}
.page-sub { color: var(--c-text-light); font-size: 14px; margin-top: 2px; }

/* === Dashboard === */
.dash-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
  align-items: start;
}
.dash-col { display: flex; flex-direction: column; gap: 16px; }

/* 倒计时大卡 */
.countdown-card {
  background: linear-gradient(135deg, var(--theme-color) 0%, var(--theme-dark) 100%);
  color: #FFF;
  border-radius: var(--r-xl);
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 6px 0 var(--theme-dark);
}
.countdown-card::before {
  content: '📚';
  position: absolute;
  right: -10px;
  bottom: -20px;
  font-size: 140px;
  opacity: 0.12;
  transform: rotate(-12deg);
}
.countdown-label { font-size: 14px; opacity: 0.95; }
.countdown-sub { font-size: 14px; margin-top: 6px; opacity: 0.85; }
.countdown-num { font-family: var(--font-en); font-size: 84px; font-weight: 900; line-height: 1; margin: 8px 0; letter-spacing: -3px; display: flex; align-items: baseline; gap: 12px; }
.countdown-num small { font-size: 24px; opacity: 0.85; letter-spacing: 0; font-weight: 700; }

/* 今日任务卡 */
.today-card { padding: 20px; }
.today-card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.today-list { display: flex; flex-direction: column; gap: 10px; }
.today-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--c-text-light);
}
.today-empty .emoji { font-size: 64px; margin-bottom: 12px; }

/* 统计小卡网格 */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat-card {
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 14px;
  position: relative;
  overflow: hidden;
}
.stat-card .stat-emoji { font-size: 32px; }
.stat-card .stat-val { font-family: var(--font-en); font-weight: 900; font-size: 24px; }
.stat-card .stat-lbl { font-size: 12px; color: var(--c-text-light); margin-top: 2px; }

/* 进度环 + 章节统计 */
.progress-block {
  display: flex; align-items: center; gap: 20px;
}
.chapter-progress-list { flex: 1; display: flex; flex-direction: column; gap: 6px; max-height: 200px; overflow-y: auto; }
.chapter-progress-item { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.chapter-progress-item .name { width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chapter-progress-item .bar { flex: 1; height: 8px; background: var(--c-divider); border-radius: 4px; overflow: hidden; }
.chapter-progress-item .bar > div { height: 100%; background: var(--theme-color); }

/* 学习中心 */
.study-controls {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 12px 16px;
  margin-bottom: 16px;
}
.study-controls .label { font-size: 13px; color: var(--c-text-light); }

.chapter-list { display: flex; flex-direction: column; gap: 14px; }
.chapter-section { display: flex; flex-direction: column; gap: 8px; }
.chapter-section-title { font-size: 16px; font-weight: 800; padding: 0 4px; color: var(--c-text); display: flex; align-items: center; gap: 8px; }

/* 章节详情页 */
.section-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.section-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  background: var(--c-divider);
  border-radius: var(--r-md);
  font-size: 14px;
  cursor: pointer;
  transition: background .15s;
}
.section-row:hover { background: #E8E8E8; }
.section-row .ix { width: 28px; height: 28px; border-radius: 8px; background: #FFF; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; flex-shrink: 0; }
.section-row .ix.done { background: var(--c-green); color: #FFF; }
.section-row .ix.doing { background: var(--c-blue); color: #FFF; }
.section-row .body { flex: 1; min-width: 0; }
.section-row .ttl { font-weight: 600; line-height: 1.3; }
.section-row .sub { font-size: 12px; color: var(--c-text-light); margin-top: 2px; }
.section-row .act { font-size: 12px; color: var(--c-text-light); }
.section-row .act.go { color: var(--theme-color); font-weight: 700; }

/* 学习页（任务详情） */
.study-pane {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 20px;
  align-items: start;
}
.study-main { display: flex; flex-direction: column; gap: 16px; }
.study-side { display: flex; flex-direction: column; gap: 16px; }

.tip-bubble {
  background: var(--theme-light);
  color: var(--theme-dark);
  border-radius: var(--r-lg);
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 700;
  display: flex; align-items: center; gap: 10px;
  border: 2px solid var(--theme-color);
  box-shadow: 0 4px 0 var(--theme-dark);
}

.feedback-bar {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}
.feedback-btn {
  padding: 18px 8px;
  border-radius: var(--r-md);
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  font-weight: 800;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  transition: all .15s;
  cursor: pointer;
}
.feedback-btn:hover { transform: translateY(-2px); }
.feedback-btn .emoji { font-size: 32px; }
.feedback-btn.fast { border-color: var(--c-red); color: var(--c-red-dark); }
.feedback-btn.fast:hover { background: #FFE0E0; }
.feedback-btn.ok { border-color: var(--c-green); color: var(--c-green-dark); }
.feedback-btn.ok:hover { background: #E0FFD0; }
.feedback-btn.slow { border-color: var(--c-yellow); color: #92740A; }
.feedback-btn.slow:hover { background: #FFF7C0; }

/* 笔记区 */
.note-area {
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 12px;
  min-height: 180px;
  font-size: 14px;
  line-height: 1.6;
}
.note-area:focus { border-color: var(--theme-color); }
.note-area:empty::before {
  content: attr(data-placeholder);
  color: var(--c-text-lighter);
}

/* ========== 种植区（Forest 风格） ========== */
.plant-greeting {
  font-size: 14px; color: #888; text-align: center;
  font-weight: 500; margin-bottom: 4px;
  font-style: italic;
}

/* 树种选择横滚（3 个可见，可滚动） */
.plant-tree-selector {
  display: flex; gap: 8px; overflow-x: auto;
  padding: 8px 0; scrollbar-width: thin;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  box-sizing: border-box;
}
.plant-tree-chip {
  flex: 0 0 calc((100% - 16px) / 3);  /* 3 个等宽，减去 2 个 gap */
  max-width: calc((100% - 16px) / 3);
  min-width: 0;
  box-sizing: border-box;
  padding: 8px 4px;
  border: 2px solid var(--c-border); border-radius: var(--r-lg);
  background: var(--c-bg-card); cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  transition: all .2s; box-shadow: var(--shadow-up-sm);
  scroll-snap-align: start;
}
@media (max-width: 500px) {
  .plant-tree-chip { flex-basis: calc((100% - 8px) / 2.5); }  /* 移动端 2-3 个 */
}
.plant-tree-chip:hover { border-color: var(--theme-color); transform: translateY(-2px); }
.plant-tree-chip.active {
  border-color: var(--theme-color); background: var(--theme-light);
  box-shadow: 0 3px 0 var(--theme-dark);
}
.plant-tree-chip:disabled { opacity: 0.4; cursor: not-allowed; }
.plant-tree-emoji { font-size: 28px; line-height: 1; }
.plant-tree-name { font-size: 10px; color: #666; font-weight: 600; }
.plant-tree-lock { font-size: 10px; color: #999; }

/* 大圆圈预览 */
.plant-circle {
  position: relative;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: linear-gradient(180deg, #E8F5E9 0%, #C8E6C9 40%, #A5D6A7 80%, #795548 80%, #6D4C41 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  margin: 12px auto 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  overflow: hidden;
}
.plant-circle::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  border: 5px solid transparent;
  background: conic-gradient(var(--c-yellow) calc(var(--p,0) * 1%), transparent 0) border-box;
  -webkit-mask: radial-gradient(transparent calc(100% - 5px), #fff 0);
  mask: radial-gradient(transparent calc(100% - 5px), #fff 0);
  transition: --p 1s linear;
}
.plant-circle.growing::after {
  border-color: #FDD835;
  animation: plant-glow 2s ease-in-out infinite;
}
@keyframes plant-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(253,216,53,0.4); }
  50% { box-shadow: 0 0 20px 4px rgba(253,216,53,0.6); }
}
.plant-circle-soil {
  position: absolute; bottom: 0; left: 0; right: 0; height: 40px;
  background: linear-gradient(180deg, #6D4C41, #4E342E);
  z-index: 0;
}
.plant-circle-emoji {
  font-size: 60px; position: relative; z-index: 1;
  animation: plant-bounce 2s ease-in-out infinite;
}
@keyframes plant-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.plant-circle-time {
  font-size: 38px; font-weight: 900;
  font-family: var(--font-en);
  position: relative; z-index: 1;
  color: #333; margin-top: 2px;
}
.plant-circle-time.running { color: var(--c-green-dark); }
.plant-circle-time.done { color: var(--c-yellow); animation: done-pop 0.5s ease-out; }
@keyframes done-pop {
  0% { transform: scale(1); } 50% { transform: scale(1.2); } 100% { transform: scale(1); }
}
.plant-circle-label {
  font-size: 12px; color: #999; position: relative; z-index: 1;
}
.plant-sparkle {
  position: absolute; top: 20px; right: 30px;
  font-size: 16px; animation: sparkle-fade 1.5s ease-in-out infinite;
}
@keyframes sparkle-fade {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* 控制区 */
.plant-controls {
  display: flex; gap: 10px; align-items: center;
  justify-content: center; margin-top: 14px;
  flex-wrap: wrap;
}
.plant-btn-main {
  width: 72px; height: 72px; font-size: 28px;
  background: var(--c-red); color: #FFF;
  border-color: var(--c-red-dark);
  box-shadow: 0 6px 0 var(--c-red-dark);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.plant-btn-reset {
  width: 50px; height: 50px; font-size: 22px;
  border-radius: 50%; border: none; background: #EEE; color: #666;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.plant-btn-reset:hover { background: #DDD; }
.plant-modes {
  display: flex; gap: 4px; align-items: center;
  justify-content: center; margin-top: 12px; flex-wrap: wrap;
  font-size: 12px;
  width: 100%;
  max-width: 360px;
}
.plant-modes .chip { padding: 5px 12px; font-size: 12px; }
.plant-modes-sep { color: #ccc; padding: 0 4px; }
@media (max-width: 400px) {
  .plant-modes .plant-modes-sep { display: none; }  /* 移动端隐藏分隔符 */
  .plant-modes { gap: 6px; }
  .plant-modes .chip { padding: 4px 10px; }
}

/* 移动端适配 */
@media (max-width: 600px) {
  .plant-circle { width: 170px; height: 170px; }
  .plant-circle-emoji { font-size: 44px; }
  .plant-circle-time { font-size: 30px; }
  .plant-tree-chip { width: 60px; padding: 6px 2px; }
  .plant-tree-emoji { font-size: 22px; }
  .plant-btn-main { width: 60px; height: 60px; font-size: 24px; }
  .plant-btn-reset { width: 42px; height: 42px; font-size: 18px; }
}
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
}
.pomo-mode { display: flex; gap: 8px; }

/* === 今日任务工作台 === */
.pomo-workbench {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
.wb-tasks {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  scrollbar-width: thin;
}
.wb-task {
  flex: 0 0 220px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 10px 12px;
  cursor: pointer;
  position: relative;
  transition: all .15s;
  overflow: hidden;
}
.wb-task:hover { border-color: var(--theme-color); transform: translateY(-1px); }
.wb-task.current {
  border-color: var(--theme-color);
  box-shadow: 0 3px 0 var(--theme-dark);
  background: var(--theme-light);
}
.wb-task.done { opacity: 0.55; }
.wb-task-bar {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
}
.wb-task-icon {
  font-size: 22px;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--c-divider);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.wb-task-body { flex: 1; min-width: 0; }
.wb-task-title {
  font-size: 12px; font-weight: 700;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  line-height: 1.3;
}
.wb-task-meta { font-size: 10px; color: #999; margin-top: 2px; }
.wb-task-current-dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--theme-color);
  box-shadow: 0 0 0 2px var(--c-bg-card);
}
.wb-empty {
  background: var(--c-bg-card);
  border: 2px dashed var(--c-border);
  border-radius: var(--r-md);
  padding: 24px;
  text-align: center;
  color: #999;
  font-size: 14px;
  width: 100%;
}
.wb-main {
  display: flex; flex-direction: column; align-items: center;
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 20px;
  overflow: hidden;  /* 防止子元素溢出 */
  width: 100%;
  box-sizing: border-box;
}
.wb-context {
  width: 100%;
  display: flex; align-items: center; gap: 14px;
  background: var(--c-divider);
  border-radius: var(--r-md);
  padding: 14px 18px;
}
.wb-context-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--c-bg-card);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}
.wb-context-body { flex: 1; min-width: 0; }
.wb-bottom {
  display: flex; gap: 14px; flex-wrap: wrap;
}
@media (max-width: 700px) {
  .wb-task { flex: 0 0 180px; }
  .wb-bottom { flex-direction: column; }
}

/* 成就页 */
.ach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.ach-card {
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 18px 12px;
  text-align: center;
  position: relative;
  transition: transform .15s;
}
.ach-card.locked { opacity: 0.45; filter: grayscale(.6); }
.ach-card.unlocked { box-shadow: 0 4px 0 rgba(0,0,0,0.05); }
.ach-card:hover { transform: translateY(-2px); }
.ach-icon { font-size: 56px; line-height: 1; }
.ach-name { font-weight: 800; font-size: 14px; margin-top: 8px; }
.ach-desc { font-size: 11px; color: var(--c-text-light); margin-top: 4px; line-height: 1.4; }
.ach-reward {
  display: inline-block;
  margin-top: 8px;
  background: var(--c-yellow);
  color: var(--c-brown);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--r-full);
}

/* 装扮商店 */
.shop-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.shop-card {
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 20px 12px;
  text-align: center;
  transition: transform .15s;
}
.shop-card:hover { transform: translateY(-2px); }
.shop-icon {
  width: 80px; height: 80px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: var(--c-divider);
  display: flex; align-items: center; justify-content: center;
  font-size: 42px;
}
.shop-name { font-weight: 800; }
.shop-price {
  margin-top: 10px;
  font-weight: 800;
  color: var(--c-purple);
  display: inline-flex; align-items: center; gap: 4px;
}
.shop-card.owned .shop-price { color: var(--c-green); }
.shop-card.equipped { border-color: var(--c-green); box-shadow: 0 0 0 3px rgba(88,204,2,0.2); }

/* 设置面板 */
.setting-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-divider);
}
.setting-row:last-child { border-bottom: none; }
.setting-name { font-weight: 700; }
.setting-desc { font-size: 12px; color: var(--c-text-light); margin-top: 2px; }

/* 移动端汉堡按钮 */
.mobile-menu-btn {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: var(--theme-light);
  color: var(--theme-dark);
  font-size: 20px;
  align-items: center; justify-content: center;
  margin-right: 8px;
}

/* 侧栏遮罩 */
.sidebar-mask {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 998;
  display: none;
}
.sidebar-mask.show { display: block; }

/* 顶栏小头像 + 等级 */
.user-meta { display: flex; flex-direction: column; align-items: flex-end; margin-left: 8px; }
.user-level-title { font-size: 11px; color: var(--c-text-light); }
.user-level { font-weight: 800; font-size: 13px; color: var(--theme-color); }
.avatar-sm { width: 44px; height: 44px; font-size: 22px; }

.stat-pill.trees { background: linear-gradient(90deg, #4A7C3A, #6BB85F); color: #FFF; }

/* 响应式 — Mobile */
@media (max-width: 768px) {
  .topbar { padding: 0 12px; gap: 8px; }
  .mobile-menu-btn { display: inline-flex; }
  .brand-text { font-size: 16px; max-width: 140px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .brand-logo { width: 36px; height: 36px; font-size: 22px; }
  .topbar-stats { gap: 6px; }
  .stat-pill { padding: 4px 8px; font-size: 12px; }
  .stat-pill.streak,
  .stat-pill.xp,
  .stat-pill.gems,
  .stat-pill.trees { display: none; }
  .user-meta { display: none; }
  .avatar-sm { width: 36px; height: 36px; font-size: 18px; }

  .main { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: 56px; left: 0; bottom: 0;
    width: 240px;
    z-index: 999;
    transform: translateX(-100%);
    transition: transform .25s;
    border-right: 2px solid var(--c-border);
    box-shadow: 4px 0 16px rgba(0,0,0,0.1);
  }
  .sidebar.open { transform: translateX(0); }

  .dash-grid { grid-template-columns: 1fr; gap: 14px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .study-pane { grid-template-columns: 1fr; }
  .pomo-wrap { padding: 16px 8px; gap: 14px; }
  .pomo-display { font-size: 60px; letter-spacing: -2px; }
  .pomo-circle { width: 200px; height: 200px; box-shadow: 0 4px 16px rgba(255,75,75,0.25); }
  .pomo-circle::after { inset: 10px; }
  .pomo-mode .chip { padding: 6px 12px; font-size: 13px; }
  .pomo-wrap .tip-bubble { padding: 10px 14px; gap: 8px; font-size: 13px; }
  .pomo-wrap #pomo-toggle { width: 64px; height: 64px; font-size: 26px !important; }
  .pomo-wrap .card { padding: 14px; }
  .countdown-num { font-size: 56px; gap: 8px; }
  .countdown-num small { font-size: 18px; }
  .countdown-card { padding: 18px; }
  .content { padding: 14px; }
  .streak-bar { padding: 12px 14px; }
  .streak-num { font-size: 32px; }

  .page-title { font-size: 22px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 10px; }

  .modal { padding: 20px; max-width: 90vw; }
  .modal-title { font-size: 18px; }

  .feedback-bar { grid-template-columns: 1fr; gap: 8px; }
  .feedback-btn { flex-direction: row; padding: 12px; gap: 10px; }
  .feedback-btn .emoji { font-size: 24px; }

  .subject-switcher { width: 100%; }
  .subject-switch { flex: 1; justify-content: center; padding: 10px; }

  .forest-grid { grid-template-columns: repeat(auto-fill, minmax(28px, 1fr)); }
  .tree-item { font-size: 22px; }
}

@media (max-width: 480px) {
  .brand-text { max-width: 110px; }
  .stat-pill.trees { display: inline-flex; }
  .pomo-display { font-size: 52px; letter-spacing: -2px; }
  .pomo-circle { width: 180px; height: 180px; }
  .pomo-circle::after { inset: 8px; }
}

/* 平板：保留双列 */
@media (max-width: 960px) and (min-width: 769px) {
  .main { grid-template-columns: 200px 1fr; }
  .dash-grid { grid-template-columns: 1fr 1fr; }
  .pomo-display { font-size: 100px; }
  .pomo-circle { width: 250px; height: 250px; }
  .content { padding: 20px; }
  .mobile-menu-btn { display: none; }
}