/* ==========================================================================
   外壳：顶上一行导航（一根横轨）、吸在横轨下的灯条、内容、导师面板、跟导师说
   ========================================================================== */
.shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--ai-w);
  min-height: 100dvh;
}
.shell.ai-closed {
  grid-template-columns: minmax(0, 1fr) 0;
}
.stage-col {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  /* 灯光比屏幕宽：左右裁掉，不让页面横向滚动 */
  overflow-x: clip;
}

/* —— 顶栏：一行小字导航 —— */
.topbar {
  /* 顶栏按自己的宽度收：导师面板开着时，阶段、日期先让位，不和导航挤在一起 */
  container: topbar / inline-size;
  position: relative;
  z-index: 7;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: calc(var(--page-w) + 2 * clamp(18px, 3vw, 40px));
  min-height: var(--topbar-h);
  margin: 0 auto;
  padding: max(6px, env(safe-area-inset-top)) clamp(18px, 3vw, 40px) 0;
}
.topnav {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  margin-left: -9px;
}
.topnav-item {
  position: relative;
  height: 32px;
  padding: 0 9px;
  border: 0;
  border-radius: var(--r-sm);
  background: none;
  color: var(--ink-3);
  font: 500 14px/32px var(--font);
  white-space: nowrap;
  transition: color var(--d) var(--ease);
}
.topnav-item:hover {
  color: var(--ink);
}
.topnav-item.active {
  color: var(--accent);
}
.topnav-item.more {
  display: none;
}
.nav-badge {
  margin-left: 2px;
  color: var(--ink-3);
  font: 600 11px/0 var(--font);
  font-variant-numeric: tabular-nums;
  vertical-align: 0.6em;
}
.nav-badge.hot {
  color: var(--danger);
}
.topbar-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-3);
  font: var(--t-small);
  white-space: nowrap;
}
.topbar-meta .num {
  color: var(--ink-2);
  font-weight: 500;
}
.topbar .menu-btn,
.topbar-title {
  display: none;
}

/* 深色模式开关：顶栏最右边一个小拨动开关。轨道是嵌进桌面的一道槽，滑块是一颗小铝帽，上面是太阳或月亮 */
.dark-switch {
  position: relative;
  flex: none;
  width: 46px;
  height: 26px;
  margin-right: -2px;
  padding: 0;
  border: 0;
  border-radius: 13px;
  background: var(--press);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.16), inset 0 0 0 0.5px var(--line-2);
  transition: background-color var(--d-slow) var(--ease);
}
.dark-switch:hover {
  background: color-mix(in srgb, var(--press) 100%, var(--hover));
}
.ds-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ffffff, #e9e6e0);
  box-shadow: 0 0.5px 0 rgba(255, 255, 255, 0.9) inset, 0 1px 2px rgba(60, 40, 20, 0.28), 0 2px 5px -1px rgba(60, 40, 20, 0.2);
  color: #a8650f;
  transition: transform var(--d-slow) var(--ease-click), background var(--d-slow), color var(--d-slow);
}
.dark-switch.on {
  background: rgba(255, 236, 210, 0.1);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.45), inset 0 0 0 0.5px var(--line-2);
}
.dark-switch.on .ds-knob {
  transform: translateX(20px);
  background: linear-gradient(180deg, #5b6068, #3a3e45);
  box-shadow: 0 0.5px 0 rgba(255, 255, 255, 0.2) inset, 0 1px 2px rgba(0, 0, 0, 0.5), 0 2px 5px -1px rgba(0, 0, 0, 0.4);
  color: #f3dfb8;
}
.dark-switch:active .ds-knob {
  width: 23px;
}
.dark-switch.on:active .ds-knob {
  transform: translateX(17px);
}

/* 连接断了：顶栏右边一颗小胶囊；连上了亮一下绿再淡出 */
.conn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px 0 8px;
  border: 0;
  border-radius: 13px;
  background: var(--warn-soft);
  color: var(--warn);
  font: 500 12px/18px var(--font);
  animation: conn-in 0.15s ease;
}
.conn.ok {
  background: var(--ok-soft);
  color: var(--ok);
  animation: conn-in 0.15s ease, conn-out 0.4s ease 1.6s forwards;
}
.conn .sd {
  color: currentColor;
}
@keyframes conn-in {
  from {
    opacity: 0;
  }
}
@keyframes conn-out {
  to {
    opacity: 0;
  }
}

@container topbar (max-width: 1040px) {
  .tb-phase {
    display: none;
  }
}
@container topbar (max-width: 900px) {
  .tb-date {
    display: none;
  }
  .topnav-item {
    padding: 0 7px;
  }
}

/* —— 横轨 + 灯条（磁吸）—— */
.rail {
  position: relative;
  z-index: 6;
  width: calc(100% - 2 * clamp(18px, 3vw, 40px));
  max-width: var(--page-w);
  height: 1px;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--line) 10%, var(--line) 90%, transparent);
}
/* 灯条本身不单独成一层：照在桌上的光（.cast）要落到页面内容的下面去 */
.lamp {
  position: relative;
  width: min(720px, calc(100% - 32px));
  height: var(--lamp-h);
  margin: -1px auto 0;
  --boost: 1;
}
/* 连接件：正中一个，把灯条挂在横轨上（照参考件的截面画），从上往下四段：
   顶板——宽薄的一块，两端倒角，上沿一道亮边；
   主体——几乎是个矩形，两腰只往里收一点，中间一道横槽（暗线 + 亮线）；
   收口——主体和磁吸座之间一道窄的凹槽；
   磁吸座——两头圆的一段，比主体略宽，往下包住灯条顶上的一小截，像个圆筒的弧面：上面亮、往下暗，底下一点接触阴影落在灯条上 */
.lamp-conn {
  position: absolute;
  left: 50%;
  top: 0;
  z-index: 1;
  width: clamp(116px, 26%, 212px);
  height: 26px;
  transform: translateX(-50%);
  filter: drop-shadow(0 1.5px 1px rgba(0, 0, 0, 0.26));
}
.lamp-conn i {
  position: absolute;
  left: 0;
  right: 0;
}
.conn-plate {
  top: 0;
  left: -8px !important;
  right: -8px !important;
  height: 4px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0 1px, var(--alu-1) 1px, var(--alu-2) 65%, rgba(0, 0, 0, 0.38) 65%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 3px) 100%, 3px 100%);
}
.conn-body {
  top: 4px;
  height: 9.5px;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.26) 0 1px,
    var(--alu-2) 1px,
    var(--alu-1) 3px,
    var(--alu-2) 5px,
    rgba(0, 0, 0, 0.3) 5px 6px,
    rgba(255, 255, 255, 0.42) 6px 7px,
    var(--alu-2) 7px,
    var(--alu-3) 100%
  );
  clip-path: polygon(0 0, 100% 0, calc(100% - 2.5px) 100%, 2.5px 100%);
}
/* 两腰：左边迎光，右边背光 */
.conn-body::before,
.conn-body::after {
  content: '';
  position: absolute;
  inset: 0;
}
.conn-body::before {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.1));
  clip-path: polygon(0 0, 2px 0, 4.5px 100%, 2.5px 100%);
}
.conn-body::after {
  background: rgba(0, 0, 0, 0.3);
  clip-path: polygon(calc(100% - 2px) 0, 100% 0, calc(100% - 2.5px) 100%, calc(100% - 4.5px) 100%);
}
.conn-neck {
  top: 13.5px;
  left: 4px !important;
  right: 4px !important;
  height: 1.5px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.28));
}
.conn-saddle {
  top: 14.5px;
  left: -3px !important;
  right: -3px !important;
  height: 11px;
  border-radius: 5.5px;
  /* 套在灯条外面的一层壳：比灯条的圆再大一圈，所以顶上最亮、往下接上灯条的明暗；下沿一道细缝和一点阴影落在灯条上 */
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.18), transparent 5%, transparent 95%, rgba(0, 0, 0, 0.16)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.22) 0 0.75px, var(--alu-1) 1.5px, var(--alu-1) 30%, var(--alu-2) 78%, var(--alu-3) 100%);
  box-shadow: inset 0 1.25px 0 rgba(255, 255, 255, 0.3), inset 0 -0.75px 0 rgba(0, 0, 0, 0.32), 0 1px 0.5px rgba(0, 0, 0, 0.32), 0 2.5px 3px -1px rgba(0, 0, 0, 0.3);
}
/* 筒身：一整根铝合金，两头是同一种料的圆头，上沿一条高光 */
.lamp-bar {
  position: absolute;
  left: 0;
  right: 0;
  top: 18px;
  height: 22px;
  border-radius: 11px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.07), transparent 3%, transparent 97%, rgba(0, 0, 0, 0.07)),
    linear-gradient(180deg, var(--alu-1) 0%, var(--alu-2) 30%, var(--alu-3) 72%, var(--alu-4) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), inset 0 -1px 0 rgba(0, 0, 0, 0.18), 0 10px 14px -8px rgba(0, 0, 0, 0.5);
}
.lamp-hl {
  position: absolute;
  left: 14px;
  right: 14px;
  top: 3px;
  height: 1.2px;
  border-radius: 1px;
  background: radial-gradient(70px 2px at var(--hx, 50%) 50%, rgba(255, 255, 255, 0.95), transparent), rgba(255, 255, 255, 0.42);
}
/* 跟着鼠标走的一点高光：只在鼠标移上来时出现 */
.lamp-spec {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(90px 14px at var(--hx, 50%) 30%, rgba(255, 255, 255, 0.28), transparent 70%);
  opacity: 0;
  transition: opacity var(--d-slow);
  pointer-events: none;
}
.lamp:hover .lamp-spec {
  opacity: 1;
}
/* 出光面：正面下沿一条磨砂的扩散罩；关着时是灰的，开着时是柔和的暖白，两头渐隐，不刺眼 */
.lamp-diff,
.lamp-bar .glowline {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 3px;
  height: 3px;
  border-radius: 2px;
}
.lamp-diff {
  background: #d9d2c5;
  opacity: calc(0.55 - var(--lamp) * 0.4);
}
.lamp-bar .glowline {
  height: 2.5px;
  background: linear-gradient(90deg, rgba(255, 246, 228, 0.35), #fff6e4 5%, #fffaf0 50%, #fff6e4 95%, rgba(255, 246, 228, 0.35));
  box-shadow: 0 0 3px rgba(255, 242, 220, 0.75), 0 2px 9px 1px rgba(var(--warm), 0.42);
  opacity: calc(var(--lamp) * var(--boost));
  transition: opacity 0.4s ease;
}
/* 白天开灯：浅色铝上的出光线要暖一点、晕开一点才看得出来 */
:root:not([data-theme='dark']) .lamp-bar .glowline {
  background: linear-gradient(90deg, rgba(255, 222, 168, 0.45), #ffe4b2 5%, #fff0d4 50%, #ffe4b2 95%, rgba(255, 222, 168, 0.45));
  box-shadow: 0 0 3px rgba(255, 196, 110, 0.85), 0 2px 10px 2px rgba(var(--warm), 0.6);
}
/* 电源键：刻在右端的一个电源图案，贴着圆头；开着时是暖光，悬停时更亮 */
.lamp-power {
  position: absolute;
  right: 0;
  top: 18px;
  z-index: 2;
  width: 26px;
  height: 22px;
  border: 0;
  border-radius: 11px;
  background: none;
  color: rgba(28, 30, 34, 0.5);
  display: grid;
  place-items: center;
  transition: color var(--d);
}
.lamp-power svg {
  width: 12px;
  height: 12px;
  filter: drop-shadow(0 0.6px 0 rgba(255, 255, 255, 0.4));
}
:root[data-theme='dark'] .lamp-power {
  color: rgba(0, 0, 0, 0.6);
}
:root[data-theme='dark'] .lamp-power svg {
  filter: drop-shadow(0 0.6px 0 rgba(255, 255, 255, 0.16));
}
.lamp.on .lamp-power {
  color: #d9821c;
}
:root[data-theme='dark'] .lamp.on .lamp-power {
  color: rgba(var(--warm), 0.9);
}
.lamp.on .lamp-power svg {
  filter: drop-shadow(0 0 3px rgba(var(--warm), 0.7));
}
.lamp-power:hover,
.lamp-power:focus-visible {
  color: var(--accent);
}
.lamp.on .lamp-power:hover {
  color: #ec9426;
}
:root[data-theme='dark'] .lamp.on .lamp-power:hover {
  color: rgb(var(--warm));
}
.lamp:hover {
  --boost: 1.12;
}

/* 照在桌上的光。
   两层都垫在页面内容下面，只照亮桌面：纸、卡片和字不会被罩上一层光（不发白），各自的受光写在各自身上。
   照好一点的屏幕挂灯来布光：非对称出光，横轨以上不亮；灯下一大片均匀的光，往外慢慢暗下去，没有刺眼的光斑。
   .cast 是主光：用「颜色减淡」按比例提亮木头——亮了，木纹还在，不是蒙上一层雾；
   .cast-near 是灯条正下方一小片柔和的泛光，让人看得出光是从灯条出来的。 */
.cast,
.cast-near {
  position: absolute;
  z-index: -1;
  pointer-events: none;
  transition: opacity 0.9s ease;
}
.cast {
  /* 主光的颜色：灯的色温掺一点白（显色自然，木头不发橙），再压暗一些；越亮的颜色，减淡时提得越多 */
  --lc: color-mix(in srgb, color-mix(in srgb, rgb(var(--warm)) 60%, white) var(--cast-k), black);
  --lk: color-mix(in srgb, color-mix(in srgb, rgb(var(--warm)) 60%, white) var(--cast-key), black);
  left: calc(50% - 950px);
  top: calc(var(--lamp-h) - 12px);
  width: 1900px;
  height: 1200px;
  background: radial-gradient(ellipse 540px 560px at 50% 0, color-mix(in srgb, var(--lk) 100%, transparent) 0%, color-mix(in srgb, var(--lk) 93.2%, transparent) 12%, color-mix(in srgb, var(--lk) 76.2%, transparent) 25%, color-mix(in srgb, var(--lk) 54.4%, transparent) 38%, color-mix(in srgb, var(--lk) 33%, transparent) 50%, color-mix(in srgb, var(--lk) 15.9%, transparent) 62%, color-mix(in srgb, var(--lk) 5.1%, transparent) 75%, color-mix(in srgb, var(--lk) 0.7%, transparent) 88%, transparent 100%),
    radial-gradient(ellipse 900px 1000px at 50% 0, color-mix(in srgb, var(--lc) 100%, transparent) 0%, color-mix(in srgb, var(--lc) 100%, transparent) 10%, color-mix(in srgb, var(--lc) 99.8%, transparent) 20%, color-mix(in srgb, var(--lc) 93.4%, transparent) 30%, color-mix(in srgb, var(--lc) 79.9%, transparent) 40%, color-mix(in srgb, var(--lc) 62.2%, transparent) 50%, color-mix(in srgb, var(--lc) 43.2%, transparent) 60%, color-mix(in srgb, var(--lc) 25.4%, transparent) 70%, color-mix(in srgb, var(--lc) 11.2%, transparent) 80%, color-mix(in srgb, var(--lc) 2.5%, transparent) 90%, transparent 100%);
  mix-blend-mode: var(--cast-blend);
  opacity: calc(var(--lamp) * var(--boost));
  /* 灯条正下方的光从出光面直接开始；灯条两头以外，光的上沿慢慢淡进来，不留一条横贯整页的硬边 */
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 90px), linear-gradient(90deg, transparent calc(50% - 440px), #000 calc(50% - 320px), #000 calc(50% + 320px), transparent calc(50% + 440px));
  mask-image: linear-gradient(180deg, transparent 0, #000 90px), linear-gradient(90deg, transparent calc(50% - 440px), #000 calc(50% - 320px), #000 calc(50% + 320px), transparent calc(50% + 440px));
}
.cast-near {
  left: -60px;
  right: -60px;
  top: calc(var(--lamp-h) - 10px);
  height: 150px;
  background: radial-gradient(ellipse 50% 100% at 50% 0, rgba(var(--warm), var(--near-a)), rgba(var(--warm), calc(var(--near-a) * 0.45)) 40%, transparent 100%);
  mix-blend-mode: screen;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  opacity: calc(var(--lamp) * var(--boost));
}
/* 开灯：亮度慢慢升上来，不闪 */
.warming .cast,
.warming .cast-near,
.warming .lamp .glowline,
.warming .desk-bg {
  transition-duration: 1.4s;
  transition-timing-function: cubic-bezier(0.2, 0.7, 0.1, 1);
}
/* 深夜：灯调暗 */
.late-night .lamp {
  --boost: 0.55;
}
.late-night .lamp:hover {
  --boost: 0.68;
}

.main {
  position: relative;
  flex: 1;
  min-width: 0;
  overflow-x: clip;
  padding: 14px clamp(18px, 3vw, 40px) calc(var(--pill-h) + var(--safe-b) + 64px);
  container-type: inline-size;
  container-name: main;
}

/* —— 导师面板（桌面右侧常驻）—— */
.ai-dock {
  position: sticky;
  top: 0;
  height: 100dvh;
  padding: 10px 10px 10px 0;
  min-width: 0;
  overflow: hidden;
}
.ai-dock > .ai {
  height: 100%;
  border-radius: var(--r-panel);
  background: var(--panel);
  box-shadow: var(--elev-prominent);
  overflow: hidden;
}
.shell.ai-closed .ai-dock {
  padding: 0;
}

/* —— 跟导师说：每页底部居中 —— */
.coach-pill {
  position: fixed;
  left: 50%;
  bottom: calc(18px + var(--safe-b));
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 2px;
  width: min(560px, calc(100vw - 32px));
  height: var(--pill-h);
  padding: 0 7px 0 9px;
  border-radius: calc(var(--pill-h) / 2);
  background: var(--panel);
  box-shadow: var(--elev-soft), 0 18px 40px -18px rgba(0, 0, 0, 0.45);
  transform: translateX(-50%);
  transition: transform var(--d-slow) var(--ease), opacity var(--d-slow);
}
.shell:not(.ai-closed) .coach-pill {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
}
.coach-pill-main {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
  height: 100%;
  padding: 0 6px 0 2px;
  border: 0;
  background: none;
  color: var(--ink-3);
  font: 400 15px/22px var(--font);
  text-align: left;
}
.coach-pill-main > span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.coach-pill-main:hover {
  color: var(--ink-2);
}
.coach-pill .icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 20px;
}
/* 导师：一颗暖色的灯泡光点；工作时在呼吸 */
.orb {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, #fff6e2 0%, #f5cf8e 38%, #e39a3b 72%, #b86f22 100%);
  flex: none;
  position: relative;
  box-shadow: 0 0 18px -2px rgba(247, 190, 110, 0.55);
}
.orb.busy {
  animation: orb-breathe 1.4s var(--ease) infinite;
}
@keyframes orb-breathe {
  50% {
    transform: scale(0.88);
    box-shadow: 0 0 26px 2px rgba(247, 190, 110, 0.7);
  }
}

/* 手机：平板收起次要导航；手机只剩菜单按钮和页名 */
@media (max-width: 1180px) {
  .shell,
  .shell.ai-closed {
    grid-template-columns: minmax(0, 1fr);
  }
  .topnav-item.secondary {
    display: none;
  }
  .topnav-item.more {
    display: inline-block;
  }
  .tb-phase {
    display: none;
  }
  .ai-dock {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(460px, 100vw);
    z-index: 60;
    transform: translateX(0);
    transition: transform 0.42s var(--ease);
  }
  .shell.ai-closed .ai-dock {
    transform: translateX(106%);
    padding: 10px 10px 10px 0;
    /* 收起后彻底藏起来：滑出去以后才隐藏，键盘也切不进去 */
    visibility: hidden;
    transition: transform 0.42s var(--ease), visibility 0s linear 0.42s;
  }
  .ai-scrim {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: var(--mask);
    animation: fade-in 0.3s var(--ease);
  }
  .shell.ai-closed .ai-scrim {
    display: none;
  }
}
@media (max-width: 760px) {
  :root {
    --lamp-h: 42px;
  }
  .topbar {
    gap: 6px;
    padding-left: 8px;
    padding-right: 16px;
  }
  .topbar .menu-btn {
    display: inline-grid;
  }
  .topbar-title {
    display: block;
    font: 400 18px/1 var(--font-kai);
    color: var(--ink);
  }
  .topnav,
  .tb-date {
    display: none;
  }
  .main {
    padding: 8px 16px calc(var(--tab-h) + var(--safe-b) + 36px);
  }
  .page-head {
    margin: 4px 0 18px;
  }
  .page-head h1 {
    display: none;
  }
  .page-head p {
    margin-top: 0;
  }
  .coach-pill {
    bottom: calc(12px + var(--safe-b));
  }
  .ai-dock,
  .shell.ai-closed .ai-dock {
    top: auto;
    left: 0;
    width: 100%;
    height: calc(100dvh - max(28px, env(safe-area-inset-top)));
    padding: 0;
    transform: translateY(0);
    transition: transform 0.46s var(--ease);
  }
  .ai-dock > .ai {
    border-radius: var(--r-panel) var(--r-panel) 0 0;
  }
  .shell.ai-closed .ai-dock {
    transform: translateY(104%);
    transition: transform 0.46s var(--ease), visibility 0s linear 0.46s;
  }
  .toasts {
    top: calc(var(--topbar-h) + 8px);
  }
}

/* —— 全部页面（手机标签栏、平板顶栏的「更多」）：一格一页 —— */
.more-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 2px -4px 16px;
}
.more-tile {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 7px;
  padding: 12px 4px 10px;
  border: 0;
  border-radius: var(--r-lg);
  background: none;
  color: var(--ink-2);
  font: 400 13px/18px var(--font);
  transition: background-color var(--d);
}
.more-tile:hover {
  background: var(--hover);
}
.more-ico {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--panel-2);
  box-shadow: inset 0 0 0 0.5px var(--line);
  color: var(--ink);
}
.more-ico svg {
  width: 22px;
  height: 22px;
}
.more-tile.active {
  color: var(--accent);
}
.more-tile.active .more-ico {
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--accent);
}
.more-badge {
  position: absolute;
  top: 6px;
  left: calc(50% + 14px);
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--accent);
  color: var(--on-accent);
  font: 600 11px/18px var(--font-num);
}
.more-theme {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 2px 2px;
  border-top: 0.5px solid var(--line);
  font: 600 15px/22px var(--font);
}

/* —— 手机底部标签栏：今日、规划、导师、练琴、更多 —— */
.tabbar {
  display: none;
}
@media (max-width: 760px) {
  .tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    height: calc(var(--tab-h) + var(--safe-b));
    padding: 0 6px var(--safe-b);
    background: color-mix(in srgb, var(--panel) 94%, transparent);
    -webkit-backdrop-filter: blur(14px) saturate(1.2);
    backdrop-filter: blur(14px) saturate(1.2);
    box-shadow: 0 -0.5px 0 var(--elev-stroke), 0 -10px 30px -18px rgba(0, 0, 0, 0.45);
  }
  .tab {
    position: relative;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 3px;
    min-width: 0;
    padding: 0;
    border: 0;
    background: none;
    color: var(--ink-3);
    font: 500 10.5px/13px var(--font);
    -webkit-tap-highlight-color: transparent;
  }
  .tab svg {
    width: 23px;
    height: 23px;
    stroke-width: 1.7;
  }
  .tab span {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .tab.on {
    color: var(--accent);
  }
  .tab:active svg,
  .tab:active .orb {
    transform: scale(0.92);
  }
  /* 导师：一颗灯泡光点，比别的高出一截，底下垫一圈面板色 */
  .tab.coach .orb {
    width: 40px;
    height: 40px;
    margin-top: -18px;
    box-shadow: 0 0 0 4px var(--panel), 0 0 18px -2px rgba(247, 190, 110, 0.55);
    transition: transform var(--d-fast);
  }
  .tab.coach {
    color: var(--ink-2);
  }
  .tab-dot {
    position: absolute;
    top: 8px;
    left: calc(50% + 9px);
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 2px var(--panel);
  }
  .coach-pill {
    display: none;
  }
  .topbar .menu-btn {
    display: none !important;
  }
  .topbar {
    padding-left: 16px;
  }
}

.theme-seg button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.theme-seg svg {
  width: 15px;
  height: 15px;
}
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.6s;
  animation-timing-function: ease;
}

/* —— 口令页 —— */
.pin {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.pin-card {
  width: min(380px, 100%);
  padding: 32px 30px 28px;
  display: grid;
  gap: 14px;
  transform: rotate(-0.4deg);
}
.pin-card h2 {
  font: var(--t-title);
}
.pin-hint {
  color: var(--paper-ink-2);
  font: var(--t-small);
}
.pin-err {
  color: var(--danger);
  font: var(--t-small);
}