/* ============================================================
   匠心义行 · PC 管理后台 —— 校园志愿服务平台新视觉方案
   ============================================================
   风格定位：清爽浅色 SaaS 后台（白侧边栏 / 浅灰工作区 / 橙色品牌色）
   结构约定：业务逻辑均由 app.js 渲染，本文件只负责呈现层；
             所有类名与旧版一一对应，可安全整体替换。
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  /* 字体 */
  --font:"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;

  /* 中性色 */
  --bg:#f5f6fa;                 /* 工作区底色 */
  --surface:#ffffff;            /* 卡片 / 侧边栏 */
  --surface-2:#f7f8fb;          /* 次级面板 / 输入底 */
  --surface-3:#eef1f6;          /* 承载灰（分页条、骨架） */
  --border:#e6e9f0;             /* 常规描边 */
  --border-strong:#d9dee8;      /* 输入描边 */
  --hairline:#f0f2f6;           /* 卡片内细分隔 */

  /* 文字 */
  --ink:#1b2534;
  --ink-2:#435064;
  --muted:#707c8d;
  --faint:#9aa4b3;

  /* 品牌橙 */
  --accent:#ee5b2f;
  --accent-hover:#e04e22;
  --accent-deep:#c8471c;
  --accent-soft:#fdf1eb;
  --accent-soft-2:#f9d9c9;
  --accent-ring:rgba(238,91,47,.15);

  /* 语义色 */
  --green:#19915b;      --green-soft:#e7f6ee;   --green-line:#cbe9d6;
  --amber:#9a6a12;      --amber-soft:#fdf5e4;   --amber-line:#f2e3b8;
  --red:#b83a2c;        --red-soft:#fcf0ed;     --red-line:#f6d8d0;
  --blue:#1c66c2;       --blue-soft:#ecf2fc;    --blue-line:#d3e1f8;
  --slate:#5d6b7d;      --slate-soft:#f1f4f7;   --slate-line:#e3e8ee;

  /* 圆角与阴影 */
  --radius-sm:8px;
  --radius:10px;
  --radius-lg:14px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05);
  --shadow-md:0 10px 30px -18px rgba(15,23,42,.25);
  --shadow-lg:0 26px 70px -28px rgba(15,23,42,.38);

  /* 层级 */
  --z-topbar:50;
  --z-sidebar:60;
  --z-modal:900;
  --z-toast:1000;
  --z-popover:1100;
  --z-boot:1200;
}

/* ---------- 2. 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:14px;
  line-height:1.55;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0 0 .45em;line-height:1.35;letter-spacing:-.015em}
p{margin:0 0 .85em}
ul,ol{margin:0}
.hidden{display:none!important}
.muted{color:var(--muted);font-size:12px}
.mono{font-family:"Cascadia Code",Consolas,"SF Mono",Menlo,monospace;font-size:11.5px;letter-spacing:0}
.tiny{font-size:10.5px;color:var(--faint)}
.sub{margin-top:3px;font-size:11.5px;color:var(--faint);line-height:1.5}
.helper{font-size:12.5px;line-height:1.8;color:var(--muted)}
.helper{margin:0 0 .8em}
.footer-note{margin-top:18px;font-size:11px;color:var(--faint);line-height:1.7}
.eyebrow{
  margin:0;
  font-size:10px;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-deep);
}
.divider{height:1px;background:var(--hairline);margin:18px 0}
a{color:inherit}
::selection{background:#fbd7c6;color:#7d2c0c}
:focus-visible{outline:2px solid rgba(238,91,47,.5);outline-offset:2px}
input[type=checkbox],input[type=radio]{accent-color:var(--accent)}
::placeholder{color:var(--faint);opacity:1}

/* 滚动条 */
*{scrollbar-width:thin;scrollbar-color:#cbd3df transparent}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#cbd3df;border-radius:8px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#aab5c5;background-clip:content-box}

/* 状态动画 */
@keyframes admin-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(34,160,107,.15)}
  50%{box-shadow:0 0 0 6px rgba(34,160,107,.05)}
}
@keyframes toast-in{
  from{opacity:0;transform:translate(-50%,-12px)}
}
@keyframes overlay-in{from{opacity:0}}
@keyframes modal-in{
  from{opacity:0;transform:translateY(12px) scale(.985)}
}

/* ---------- 3. 启动页 ---------- */
.boot-screen{
  position:fixed;
  inset:0;
  z-index:var(--z-boot);
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:18px;
  padding:24px;
  background:
    radial-gradient(560px 380px at 12% 0%,#ffefe4 0%,transparent 60%),
    radial-gradient(640px 420px at 100% 100%,#eef2f9 0%,transparent 55%),
    linear-gradient(180deg,#fafbfd,#f1f3f8);
}
body.booting .boot-screen{display:flex}
body.booting #login,
body.booting #shell{display:none!important}
.boot-brand{display:flex;align-items:center;gap:14px}
.boot-logo{
  display:grid;
  place-items:center;
  width:54px;
  height:54px;
  border-radius:16px;
  background:linear-gradient(150deg,#ff7a4e,#e8501f);
  color:#fff;
  font-size:24px;
  font-weight:900;
  box-shadow:0 14px 28px -12px rgba(232,80,31,.55);
}
.boot-brand strong,
.boot-brand small{display:block}
.boot-brand strong{font-size:18px;letter-spacing:.04em;color:var(--ink)}
.boot-brand small{margin-top:5px;font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--faint)}
.boot-loader{
  position:relative;
  width:26px;
  height:26px;
  border:3px solid #e4e8f0;
  border-top-color:var(--accent);
  border-radius:50%;
  animation:auth-spin .9s linear infinite;
}
@keyframes auth-spin{to{transform:rotate(360deg)}}
.boot-screen p{margin:0;font-size:12.5px;letter-spacing:.06em;color:var(--muted)}

/* ---------- 4. 登录页 ---------- */
.auth-screen{
  --auth-ink:#17273f;
  position:relative;
  min-height:100vh;
  min-height:100svh;
  display:grid;
  place-items:center;
  padding:32px 20px;
  overflow:hidden;
  background:
    radial-gradient(680px 440px at 6% -10%,#fff0e8 0%,transparent 62%),
    radial-gradient(720px 480px at 104% 112%,#eaf1fa 0%,transparent 58%),
    linear-gradient(180deg,#fafbfd,#f2f4f8);
}
.auth-screen::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(20,32,53,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(20,32,53,.035) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse at center,#000 20%,transparent 78%);
  pointer-events:none;
}
.auth-glow{
  position:absolute;
  border-radius:50%;
  filter:blur(76px);
  opacity:.38;
  pointer-events:none;
}
.auth-glow-warm{width:480px;height:480px;left:-170px;bottom:-210px;background:#ff9c6f}
.auth-glow-cool{width:560px;height:560px;right:-210px;top:-230px;background:#a9c6ec}

.auth-card{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  width:min(940px,100%);
  overflow:hidden;
  border-radius:22px;
  background:var(--surface);
  box-shadow:var(--shadow-lg),0 0 0 1px rgba(15,23,42,.03);
  animation:auth-rise .6s cubic-bezier(.2,.75,.25,1) both;
}
@keyframes auth-rise{
  from{opacity:0;transform:translateY(16px) scale(.99)}
}

/* 登录页左侧品牌栏 */
.auth-aside{
  position:relative;
  isolation:isolate;
  display:flex;
  flex-direction:column;
  padding:40px 38px 34px;
  overflow:hidden;
  color:#fff;
  background:linear-gradient(158deg,#ff8a5e 0%,#ee5b2f 52%,#dd4a20 100%);
}
.auth-aside::before{
  content:"";
  position:absolute;
  z-index:-1;
  width:330px;
  height:330px;
  right:-130px;
  top:-110px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:50%;
  box-shadow:0 0 0 54px rgba(255,255,255,.07),0 0 0 110px rgba(255,255,255,.04);
}
.auth-aside::after{
  content:"";
  position:absolute;
  z-index:-1;
  right:-26px;
  bottom:-24px;
  width:240px;
  height:240px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48'%3E%3Cpath d='M24 41.5C11 32.5 4.5 22.5 9.2 14.6c3.1-5.2 9.9-6 12.9-1.4L24 16.2l1.9-3c3-4.6 9.8-3.8 12.9 1.4 4.7 7.9-1.8 17.9-14.8 26.9Z' fill='%23fff'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity:.12;
  pointer-events:none;
}
.auth-brand,
.auth-mobile-brand{display:flex;align-items:center;gap:12px}
.auth-logo{
  display:grid;
  place-items:center;
  flex:none;
  width:44px;
  height:44px;
  border-radius:13px;
  font-size:21px;
  font-weight:900;
  color:#fff;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.auth-brand-text{display:grid;gap:2px}
.auth-brand-text strong{font-size:16px;letter-spacing:.05em}
.auth-brand-text small{font-size:10.5px;letter-spacing:.08em;color:rgba(255,255,255,.72)}
.auth-pitch{margin:34px 0 0}
.auth-kicker{
  display:inline-block;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.24);
  font-size:10.5px;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.auth-pitch h2{
  margin:15px 0 10px;
  font-size:27px;
  line-height:1.4;
  font-weight:800;
}
.auth-pitch p{margin:0;font-size:13px;line-height:1.9;color:rgba(255,255,255,.82)}
.auth-points{display:grid;gap:10px;margin:26px 0 0;padding:0;list-style:none}
.auth-points li{display:flex;align-items:center;gap:9px;font-size:12.5px;font-weight:600;color:rgba(255,255,255,.88)}
.auth-check{
  display:grid;
  place-items:center;
  flex:none;
  width:19px;
  height:19px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  font-size:10px;
  font-weight:900;
}
.auth-aside-foot{margin-top:auto;padding-top:22px;font-size:11px;color:rgba(255,255,255,.55)}

/* 登录页右栏表单 */
.auth-main{padding:44px 46px 38px;background:var(--surface)}
.auth-mobile-brand{display:none}
.auth-eyebrow{margin:0 0 7px!important;font-size:10px!important}
.auth-main h1{margin:0;font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.auth-sub{margin:10px 0 0;font-size:13px;line-height:1.75;color:var(--muted)}
.auth-code-form{display:grid;gap:13px;margin-top:26px}
.auth-code-label{font-size:11.5px;font-weight:700;color:var(--ink-2);letter-spacing:.04em}
.auth-code-input{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--border-strong);
  border-radius:11px;
  background:#fff;
  color:var(--ink);
  font-size:14.5px;
  outline:none;
  transition:border-color .16s,box-shadow .16s;
}
.auth-code-input:hover{border-color:#c3ccd9}
.auth-code-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-ring)}
.auth-text-input{font-size:14.5px}
.auth-button{
  margin-top:6px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:100%;
  height:48px;
  border:0;
  border-radius:11px;
  background:linear-gradient(180deg,#ff7a4e,#ea5126);
  color:#fff;
  font-size:14.5px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 12px 26px -12px rgba(234,81,38,.6),inset 0 1px 0 rgba(255,255,255,.22);
  transition:background .18s,box-shadow .18s,transform .18s;
}
.auth-button:hover{background:linear-gradient(180deg,#fb6c3e,#e04a22)}
.auth-button:active{transform:translateY(1px)}
.auth-button:disabled{opacity:.55;cursor:not-allowed}
.auth-message{min-height:18px;margin:12px 0 0!important;font-size:12.5px;color:#b3342e}
.auth-security{
  display:flex;
  align-items:center;
  gap:7px;
  margin:22px 0 0!important;
  font-size:11.5px;
  color:var(--faint);
}
.auth-security svg{flex:none;width:14px;height:14px}

/* 旧版登录组件（兼容保留） */
.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:#eef1f6}
.login-card{width:min(430px,100%);background:#fff;border-radius:18px;padding:40px;box-shadow:var(--shadow-lg)}
.login-card h1{margin:12px 0;font-size:26px}
.login-message{min-height:20px;margin-top:14px;color:#b3342e;font-size:13px}
.login-divider{display:flex;align-items:center;gap:12px;margin:14px 0;color:var(--faint);font-size:12px}
.login-divider::before,
.login-divider::after{content:"";height:1px;flex:1;background:var(--border)}
.qr-stage{min-height:260px;display:grid;place-items:center;overflow:hidden;margin:10px 0}
.qr-stage iframe{display:block;border:0;max-width:100%}
.qr-hint{min-height:34px;margin:8px 0 10px;text-align:center;font-size:12px;line-height:1.55;color:var(--muted)}
.qr-fallback{display:block;text-align:center;font-size:12px;line-height:1.55;color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px}
.bind-panel{margin-top:12px;padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);text-align:center}
.bind-qr{width:280px;height:280px;margin:0 auto}
.bind-qr iframe,
.bind-qr img,
.bind-qr canvas{display:block;width:280px;height:280px;margin:0 auto;border:0;overflow:hidden}
.bind-panel .helper{margin:10px 0}
.bind-panel .button + .button{margin-left:8px}
.input-with-button{display:flex;align-items:center;gap:10px}
.input-with-button input{flex:1;min-width:0}

/* ---------- 5. 应用外壳（侧边栏 + 顶栏） ---------- */
.shell{
  display:grid;
  grid-template-columns:212px minmax(0,1fr);
  min-height:100vh;
}
.sidebar{
  position:sticky;
  top:0;
  z-index:var(--z-sidebar);
  display:flex;
  flex-direction:column;
  height:100vh;
  padding:16px 12px 14px;
  background:var(--surface);
  border-right:1px solid var(--border);
}
.sidebar-brand{display:flex;align-items:center;gap:11px;padding:6px 8px 16px}
.sidebar-brand strong,
.sidebar-brand span{display:block}
.sidebar-brand strong{font-size:15.5px;letter-spacing:.03em;color:var(--ink)}
.sidebar-brand span{margin-top:2px;font-size:10px;letter-spacing:.05em;color:var(--faint)}
.brand-mark{
  display:grid;
  place-items:center;
  flex:none;
  width:40px;
  height:40px;
  border-radius:12px;
  background:linear-gradient(150deg,#ff7a4e,#e8501f);
  color:#fff;
  font-size:18px;
  font-weight:900;
  box-shadow:0 10px 20px -10px rgba(232,80,31,.6);
}
.brand-mark.small{width:40px;height:40px;border-radius:12px;font-size:18px}
/* 志愿服务徽标（爱心＋脉搏线）在品牌块中的尺寸 */
.brand-mark svg,
.auth-logo svg,
.boot-logo svg{width:62%;height:62%}

#nav{
  flex:1;
  min-height:0;
  display:flex;
  flex-direction:column;
  padding:0 2px 8px;
  overflow-y:auto;
  overscroll-behavior:contain;
}
.nav-group{
  padding:16px 10px 7px;
  font-size:10px;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--faint);
}
.nav-item{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  width:100%;
  padding:8px 10px;
  border:0;
  border-radius:9px;
  background:transparent;
  color:#5c6879;
  font-size:13.5px;
  font-weight:600;
  text-align:left;
  transition:background .16s,color .16s,box-shadow .16s;
}
.nav-item .icon{display:grid;place-items:center;flex:none;width:20px;height:20px}
.nav-item .icon svg{width:17px;height:17px}
.nav-item .label{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{background:var(--surface-2);color:var(--ink)}
.nav-item.active{
  background:var(--accent-soft);
  color:var(--accent-deep);
  font-weight:700;
  box-shadow:inset 0 0 0 1px #f8d3c1;
}
.nav-item + .nav-item{margin-top:1px}

.sidebar-footer{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--border);
  display:grid;
  gap:8px;
}
.sidebar-user{
  display:flex;
  align-items:center;
  gap:9px;
  padding:9px 10px;
  border-radius:10px;
  background:var(--surface-2);
}
.user-avatar{
  display:grid;
  place-items:center;
  flex:none;
  width:30px;
  height:30px;
  border-radius:50%;
  background:#e9f0fa;
  color:#4a7bc4;
}
.user-avatar svg{width:15px;height:15px}
.sidebar-user-text{min-width:0}
.sidebar-user-text small{display:block;font-size:9.5px;letter-spacing:.06em;color:var(--faint)}
.sidebar-user-text span{
  display:block;
  margin-top:1px;
  font-size:12px;
  font-weight:700;
  color:var(--ink-2);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.text-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  padding:8px 10px;
  border:0;
  border-radius:8px;
  background:transparent;
  color:var(--muted);
  font-size:12.5px;
  font-weight:600;
  text-align:left;
  transition:background .16s,color .16s;
}
.text-button svg{width:14px;height:14px;flex:none}
.text-button:hover{background:#fdf1ec;color:#c74a21}
.text-button:focus-visible{outline:2px solid rgba(238,91,47,.5);outline-offset:1px}

.shell .main{min-width:0;display:flex;flex-direction:column}

/* 顶栏 */
.topbar{
  position:sticky;
  top:0;
  z-index:var(--z-topbar);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:62px;
  padding:0 28px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.sidebar-toggle{
  flex:none;
  width:34px;
  height:34px;
  border-radius:9px;
  color:var(--muted);
  transition:background .16s,color .16s,transform .16s;
}
.sidebar-toggle svg{width:17px;height:17px}
.sidebar-toggle:hover{background:var(--accent-soft);color:var(--accent-deep)}
.sidebar-toggle:active{transform:scale(.94)}
.topbar-title{display:flex;align-items:center;gap:12px;min-width:0}
.topbar .eyebrow{
  flex:none;
  margin:0;
  padding:4px 9px;
  border-radius:7px;
  background:var(--accent-soft);
  color:var(--accent-deep);
}
.topbar h1{
  margin:0;
  font-size:18.5px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar h1::before{
  content:"";
  display:inline-block;
  width:1px;
  height:15px;
  margin-right:12px;
  background:var(--border-strong);
  vertical-align:-2px;
}
.top-actions{display:flex;align-items:center;flex:none;gap:9px;color:var(--muted);font-size:12px}
#sync-label{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-right:2px;
  padding:6px 11px;
  border:1px solid var(--border);
  border-radius:999px;
  background:var(--surface);
  font-size:11px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
}
#sync-label::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:#22a06b;
  animation:admin-pulse 2.8s ease-in-out infinite;
}
.refresh-button{gap:7px;height:36px;font-size:12.5px}
.refresh-button svg{width:14px;height:14px;flex:none;transition:transform .45s ease}
.refresh-button:hover svg{transform:rotate(180deg)}
.refresh-button.loading svg{animation:auth-spin .8s linear infinite}
.refresh-button.loading{opacity:.82;cursor:wait}

/* 主内容区 */
.content{
  width:100%;
  max-width:1480px;
  margin:0 auto;
  padding:24px 28px 56px;
}

/* 全局提示：轻量浮出提示条 */
.notice{
  position:fixed;
  top:18px;
  left:50%;
  transform:translateX(-50%);
  z-index:var(--z-toast);
  display:flex;
  align-items:center;
  gap:9px;
  max-width:min(680px,calc(100vw - 32px));
  padding:11px 16px;
  border:1px solid var(--green-line);
  border-radius:11px;
  background:#f2fbf5;
  color:#1c7a42;
  font-size:13px;
  font-weight:600;
  box-shadow:var(--shadow-md);
  animation:toast-in .3s cubic-bezier(.2,.9,.3,1.1) both;
}
.notice::before{
  content:"✓";
  display:grid;
  place-items:center;
  flex:none;
  width:19px;
  height:19px;
  border-radius:50%;
  background:#d9f2e3;
  color:#17803f;
  font-size:11px;
  font-weight:900;
}
.notice.error{background:#fff4f2;border-color:var(--red-line);color:#a83a27}
.notice.error::before{content:"!";background:#ffe0d8;color:#b2432d}
.form-error{
  margin:0 0 15px;
  padding:10px 12px;
  border:1px solid var(--red-line);
  border-radius:9px;
  background:#fff4f2;
  color:#a83a27;
  font-size:12.5px;
  line-height:1.6;
}

/* ---------- 6. 按钮 ---------- */
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  height:36px;
  padding:0 14px;
  border:1px solid transparent;
  border-radius:9px;
  background:var(--surface);
  color:var(--ink-2);
  font-size:13px;
  font-weight:650;
  white-space:nowrap;
  transition:background .16s,border-color .16s,color .16s,box-shadow .16s,transform .16s;
}
.button svg{width:15px;height:15px;flex:none}
.button.primary{
  background:linear-gradient(180deg,#ff6f42,#ea5126);
  color:#fff;
  box-shadow:0 6px 14px -8px rgba(234,81,38,.55),inset 0 1px 0 rgba(255,255,255,.2);
}
.button.primary:hover{background:linear-gradient(180deg,#fb6537,#e04a22);box-shadow:0 8px 18px -8px rgba(234,81,38,.65)}
.button.primary:active{transform:translateY(1px)}
.button.secondary{
  border-color:var(--border-strong);
  background:var(--surface);
  color:var(--ink-2);
  box-shadow:var(--shadow-sm);
}
.button.secondary:hover{border-color:var(--accent-soft-2);background:var(--accent-soft);color:var(--accent-deep)}
.button.ghost{border-color:transparent;background:var(--surface-3);color:var(--ink-2)}
.button.ghost:hover{background:#e3e8f0;color:var(--ink)}
.button.danger{background:var(--red-soft);border-color:var(--red-line);color:var(--red)}
.button.danger:hover{background:#fbe2dd;border-color:#f2bcb3}
.button.small{height:28px;padding:0 10px;border-radius:7px;font-size:12px}
.button.large{height:44px;padding:0 22px;border-radius:11px;font-size:14px}
.button:disabled,
.button:disabled:hover{
  border-color:var(--border);
  background:var(--surface-2);
  color:var(--faint);
  box-shadow:none;
  cursor:not-allowed;
  transform:none;
}
/* 表格行内的主/危险按钮使用柔和底色，避免视觉过重 */
.actions .button.primary{
  border-color:#f9d3c4;
  background:#fdeee7;
  color:#c94a24;
  box-shadow:none;
}
.actions .button.primary:hover{
  border-color:transparent;
  background:linear-gradient(180deg,#ff6f42,#ea5126);
  color:#fff;
  box-shadow:0 6px 14px -8px rgba(234,81,38,.55);
}
.actions .button.danger{box-shadow:none}
.icon-button{
  display:grid;
  place-items:center;
  width:32px;
  height:32px;
  padding:0;
  border:0;
  border-radius:8px;
  background:var(--surface-3);
  color:var(--muted);
  font-size:18px;
  line-height:1;
  transition:background .16s,color .16s;
}
.icon-button:hover{background:#fde9e2;color:#d24a24}

/* ---------- 7. 布局：网格 / 统计卡 / 面板 ---------- */
.grid{display:grid;gap:16px}
.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:20px}
.two-col{
  grid-template-columns:minmax(0,1.55fr) minmax(300px,1fr);
  align-items:start;
}
.stat-card,
.panel,
.card{
  background:var(--surface);
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}
.stat-card{
  position:relative;
  overflow:hidden;
  padding:18px 20px;
  border-radius:var(--radius-lg);
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.stat-card:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}
.stat-card .label{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:600;color:var(--muted)}
/* 指标图标：浅色底 + 语义色 SVG（审核 / 活动 / 学生 / 证书） */
.stat-card .label::before{
  content:"";
  display:block;
  flex:none;
  width:24px;
  height:24px;
  border-radius:7px;
  background-color:rgba(238,91,47,.09);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e0602f' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4.5' y='4.5' width='15' height='15.5' rx='2.6'/%3E%3Cpath d='m8.6 12.4 2.1 2.1 4.7-4.9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:center;
  background-size:13px 13px;
}
.stat-card:nth-child(2) .label::before{
  background-color:rgba(47,111,211,.09);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f6fd3' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3.5' y='5' width='17' height='15.5' rx='2.6'/%3E%3Cpath d='M8%203.2v3.6M16%203.2v3.6M3.5%2010.4h17'/%3E%3C/svg%3E");
}
.stat-card:nth-child(3) .label::before{
  background-color:rgba(18,155,142,.09);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23129b8e' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='9.2' cy='8.6' r='3.1'/%3E%3Cpath d='M3.8%2019.5a5.4%205.4%200%200%201%2010.8%200M15.8%206a3%203%200%200%201%200%205.4M16.6%2014.6a5%205%200%200%201%203.6%204.9'/%3E%3C/svg%3E");
}
.stat-card:nth-child(4) .label::before{
  background-color:rgba(124,92,240,.09);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237c5cf0' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='9.5' r='5.2'/%3E%3Cpath d='m9.2%2014-2.2%206.4%205-2.7%205%202.7L14.8%2014'/%3E%3C/svg%3E");
}
.stat-card strong{
  display:block;
  margin:13px 0 5px;
  font-size:31px;
  line-height:1.1;
  font-weight:800;
  letter-spacing:-.04em;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.stat-card small{display:block;font-size:11px;color:var(--faint)}
.stat-card.alert strong{color:var(--accent-hover)}

.panel{padding:22px 24px;margin-bottom:18px;border-radius:var(--radius-lg)}
.panel:last-child{margin-bottom:0}
.card{padding:20px;border-radius:var(--radius-lg)}
.panel-head,
.section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--hairline);
}
.panel-head h2,
.section-head h2{
  display:flex;
  align-items:center;
  gap:9px;
  margin:0;
  font-size:15.5px;
  font-weight:700;
  letter-spacing:-.015em;
  color:var(--ink);
}
.panel-head .muted,
.section-head .muted{font-size:11.5px}

/* ---------- 8. 工具栏 / 表单控件 ---------- */
.toolbar{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin:0 0 16px;
}
.toolbar .spacer{flex:1}

.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,
.field>span{font-size:11.5px;font-weight:700;color:var(--muted);letter-spacing:.02em}
.field-label-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.field-label-row label{font-size:11.5px;font-weight:700;color:var(--muted);letter-spacing:.02em}
.reset-link{border:0;background:none;padding:0;color:var(--accent-deep);font-size:11.5px;font-weight:700;cursor:pointer;white-space:nowrap}
.reset-link:hover{text-decoration:underline}
.field input,
.field select,
.field textarea,
.search input{
  width:100%;
  min-width:0;
  border:1px solid var(--border-strong);
  border-radius:9px;
  background:#fff;
  color:var(--ink);
  font-size:13.5px;
  outline:none;
  transition:border-color .16s,box-shadow .16s,background .16s;
}
.field input:not([type=checkbox]):not([type=radio]):not([type=file]),
.field select,
.search input{height:40px;padding:0 12px}
.field textarea{min-height:110px;padding:10px 12px;line-height:1.65;resize:vertical}
.field input:hover,
.field select:hover,
.field textarea:hover,
.search input:hover{border-color:#c3ccd9}
.field input:focus,
.field select:focus,
.field textarea:focus,
.search input:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-ring);
  background:#fff;
}
.field input[type=checkbox],
.field input[type=radio]{width:auto;flex:none}
.field input[type=file]{
  padding:0;
  border:0;
  background:transparent;
  box-shadow:none;
  color:var(--muted);
  font-size:12px;
}
.field input[type=file]::file-selector-button,
.file-drop input[type=file]::file-selector-button{
  margin-right:10px;
  padding:8px 13px;
  border:1px solid var(--border-strong);
  border-radius:8px;
  background:#fff;
  color:var(--ink-2);
  font-weight:650;
  font-size:12px;
  cursor:pointer;
  transition:background .16s,border-color .16s,color .16s;
}
.field input[type=file]::file-selector-button:hover,
.file-drop input[type=file]::file-selector-button:hover{
  border-color:var(--accent-soft-2);
  background:var(--accent-soft);
  color:var(--accent-deep);
}

.search{position:relative;min-width:250px;max-width:340px;flex:1}
.search::before{
  content:"";
  position:absolute;
  left:12px;
  top:50%;
  width:14px;
  height:14px;
  transform:translateY(-50%);
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239aa4b3' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.3-3.3'/%3E%3C/svg%3E") center/contain no-repeat;
  pointer-events:none;
}
.search input{padding-left:36px}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 16px}
.form-grid .wide{grid-column:1/-1}
.form-grid .wide .button{width:auto;min-width:170px}
.check-list{display:flex;gap:8px;flex-wrap:wrap}
.check-list input{width:auto;margin:0}
.check-list label{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 12px;
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--surface-2);
  color:var(--ink-2);
  font-size:12.5px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .16s,background .16s,color .16s;
}
.check-list label:hover{border-color:var(--accent-soft-2);background:var(--accent-soft);color:var(--accent-deep)}

.segmented{
  display:inline-flex;
  align-items:center;
  gap:2px;
  padding:3px;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--surface-3);
  max-width:100%;
}
.segmented button{
  padding:6px 12px;
  border:0;
  border-radius:7px;
  background:transparent;
  color:var(--muted);
  font-size:12.5px;
  font-weight:700;
  transition:background .16s,color .16s,box-shadow .16s;
}
.segmented button:hover{color:var(--ink)}
.segmented button.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(15,23,42,.14)}
.file-drop{
  padding:18px;
  border:1.5px dashed #ccd5e0;
  border-radius:12px;
  background:var(--surface-2);
  transition:border-color .18s,background .18s;
}
.file-drop:hover{border-color:#eec6b0;background:#fffaf7}
.vertical-list{display:grid;gap:10px}

/* ---------- 9. 表格 / 列表 / 徽章 ---------- */
.table-wrap{
  overflow:auto;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--surface);
  scrollbar-width:thin;
  scrollbar-color:#cbd3df transparent;
}
table{width:100%;border-collapse:separate;border-spacing:0;min-width:720px}
th{
  position:sticky;
  top:0;
  z-index:2;
  padding:11px 14px;
  background:#f8f9fc;
  border-bottom:1px solid var(--border);
  color:var(--muted);
  font-size:11px;
  font-weight:700;
  letter-spacing:.06em;
  text-align:left;
  white-space:nowrap;
}
td{
  padding:12px 14px;
  border-bottom:1px solid var(--hairline);
  color:var(--ink-2);
  font-size:13px;
  vertical-align:middle;
}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .14s}
tbody tr:hover td{background:#fafbfd}
td strong{color:var(--ink);font-weight:650}
td small{font-size:11px}

.signup-table{table-layout:fixed;min-width:1120px}
.signup-table col.col-check{width:44px}
.signup-table col.col-student{width:150px}
.signup-table col.col-branch{width:130px}
.signup-table col.col-activity{width:180px}
.signup-table col.col-shifts{width:auto}
.signup-table col.col-time{width:134px}
.signup-table col.col-status{width:94px}
.signup-table col.col-actions{width:128px}
.signup-table th,
.signup-table td{vertical-align:top}
.signup-table .signup-check{text-align:center;padding-left:10px;padding-right:6px}
.signup-table .signup-check input{width:16px;height:16px;margin-top:2px}
.signup-table .signup-branch{color:var(--ink-2);word-break:break-word;line-height:1.6}
.signup-table .signup-activity{font-weight:600;color:#2b425c;word-break:break-word;line-height:1.65;white-space:normal}
.signup-table .signup-shifts{line-height:1.65;color:#435871}
.signup-table .shift-name-line + .shift-name-line{margin-top:4px}
.signup-table .signup-time{white-space:nowrap;color:var(--muted)}

.actions{display:flex;gap:6px;flex-wrap:wrap}
.status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px 3px 8px;
  border:1px solid transparent;
  border-radius:999px;
  background:var(--slate-soft);
  color:var(--slate);
  font-size:11px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.status::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.8}
.status.pending{background:var(--amber-soft);border-color:var(--amber-line);color:var(--amber)}
.status.published,
.status.approved,
.status.active,
.status.valid,
.status.completed,
.status.resolved{background:var(--green-soft);border-color:var(--green-line);color:var(--green)}
.status.rejected,
.status.inactive,
.status.revoked{background:var(--red-soft);border-color:var(--red-line);color:var(--red)}
.status.processing{background:var(--blue-soft);border-color:var(--blue-line);color:var(--blue)}
.status.paused,
.status.closed,
.status.draft,
.status.withdrawn{background:var(--slate-soft);border-color:var(--slate-line);color:var(--slate)}

.chip{
  display:inline-flex;
  align-items:center;
  gap:4px;
  margin:0 4px 3px 0;
  padding:2px 8px;
  border:1px solid var(--border);
  border-radius:6px;
  background:#f6f8fb;
  color:#5b6b82;
  font-size:10.5px;
  font-weight:650;
  white-space:nowrap;
}
.empty{
  padding:40px 24px;
  border:1.5px dashed #dfe4ed;
  border-radius:12px;
  background:var(--surface-2);
  color:var(--faint);
  font-size:12.5px;
  text-align:center;
}
.empty::before{
  content:"";
  display:block;
  width:40px;
  height:40px;
  margin:0 auto 10px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a6b1c1' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 7a2 2 0 0 1 2-2h4l2 2h6a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2z'/%3E%3C/svg%3E") center/18px no-repeat;
}
.empty strong{display:block;margin-bottom:5px;color:var(--ink-2);font-size:13.5px;font-weight:700}

.callout{
  padding:13px 15px;
  border:1px solid #e4e9f1;
  border-radius:10px;
  background:#f8f9fc;
  color:#4c5a6e;
  font-size:12.5px;
  line-height:1.8;
}
.callout.warning{background:#fffaf0;border-color:#f3e4bb;color:#84631c}
.kpi-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--hairline);
  color:var(--ink-2);
}
.kpi-line:last-child{border-bottom:0}
.kpi-line strong{font-size:15px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.list-row{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 10px;
  margin:0 -10px;
  border-bottom:1px solid var(--hairline);
  border-radius:10px;
  transition:background .15s;
}
.list-row:hover{background:var(--surface-2)}
.list-row:last-child{border-bottom:0}
.dot{
  width:7px;
  height:7px;
  margin-top:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 3px rgba(238,91,47,.1);
  flex:none;
}
.list-main{flex:1;min-width:0}
.list-main strong{
  display:block;
  font-size:13px;
  color:var(--ink);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.list-main .sub{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 10. 弹窗 ---------- */
.modal-backdrop{
  position:fixed;
  inset:0;
  z-index:var(--z-modal);
  display:grid;
  place-items:center;
  padding:20px;
  background:rgba(11,23,40,.45);
  -webkit-backdrop-filter:blur(5px);
  backdrop-filter:blur(5px);
  animation:overlay-in .18s ease both;
}
.modal{
  display:flex;
  flex-direction:column;
  width:min(820px,100%);
  max-height:min(88vh,960px);
  overflow:hidden;
  border-radius:16px;
  background:#fff;
  box-shadow:var(--shadow-lg);
  animation:modal-in .24s cubic-bezier(.2,.8,.3,1) both;
}
.modal-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex:none;
  padding:18px 24px;
  border-bottom:1px solid var(--hairline);
}
.modal-head h2{margin:0;font-size:17px;font-weight:750;letter-spacing:-.015em}
.modal-body{
  flex:1;
  min-height:0;
  padding:22px 24px;
  overflow:auto;
  overscroll-behavior:contain;
}
.modal-footer{
  display:flex;
  justify-content:flex-end;
  gap:8px;
  flex:none;
  padding:14px 24px;
  border-top:1px solid var(--hairline);
  background:var(--surface-2);
}

/* ---------- 11. 弹出选择器（统一 select） ---------- */
.ui-select{position:relative;min-width:150px;flex:1}
.toolbar>.ui-select{flex:0 1 auto;min-width:168px}
.form-grid .ui-select,
.field .ui-select{width:100%;min-width:0}
.ui-native-select{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  opacity:0!important;
  padding:0!important;
  border:0!important;
  pointer-events:none!important;
}
.ui-select-trigger,
.class-filter-trigger{
  display:flex;
  align-items:center;
  gap:9px;
  width:100%;
  min-width:0;
  height:40px;
  padding:0 12px;
  border:1px solid var(--border-strong);
  border-radius:9px;
  background:#fff;
  color:var(--ink-2);
  font-size:13px;
  font-weight:650;
  text-align:left;
  box-shadow:var(--shadow-sm);
  transition:border-color .16s,background .16s,box-shadow .16s;
}
.ui-select-trigger:hover,
.class-filter-trigger:hover,
.ui-select-trigger[aria-expanded="true"],
.class-filter-trigger[aria-expanded="true"]{
  border-color:#efb99f;
  background:#fffaf7;
  box-shadow:0 4px 14px -6px rgba(238,91,47,.28);
}
.ui-select-trigger:focus-visible,
.class-filter-trigger:focus-visible,
.ui-select-option:focus-visible,
.class-option:focus-visible,
.class-combo-option:focus-visible{outline:2px solid rgba(238,91,47,.45);outline-offset:1px}
.ui-select-icon,
.class-filter-icon{
  display:grid;
  place-items:center;
  flex:none;
  width:22px;
  height:22px;
  border-radius:6px;
  background:var(--accent-soft);
  font-size:0;               /* 隐藏字符图标 ⚈ */
  color:transparent;
}
.ui-select-icon::before,
.class-filter-icon::before{
  content:"";
  width:12px;
  height:12px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e0602f' stroke-width='2.1' stroke-linecap='round'%3E%3Crect x='3.5' y='3.5' width='17' height='17' rx='2.6'/%3E%3Cpath d='M3.5 9.2h17M9.4 3.5v17'/%3E%3C/svg%3E") center/contain no-repeat;
}
.ui-select-label,
.class-filter-label{
  flex:1;
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.class-filter-label{max-width:180px}
.ui-select-chevron,
.class-filter-chevron,
.class-combo-chevron{
  width:8px;
  height:8px;
  flex:none;
  margin:0 3px;
  border-right:2px solid #8b96a6;
  border-bottom:2px solid #8b96a6;
  transform:rotate(45deg) translateY(-2px);
  transition:transform .16s ease;
}
.ui-select-trigger[aria-expanded="true"] .ui-select-chevron,
.class-filter-trigger[aria-expanded="true"] .class-filter-chevron,
.class-combo.open .class-combo-chevron{transform:rotate(225deg) translateY(-1px)}

.ui-select-menu,
.class-filter-menu,
.class-combo-menu{
  padding:6px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  box-shadow:0 24px 56px -20px rgba(15,23,42,.35);
  z-index:var(--z-popover);
  overflow:hidden;
}
.ui-select-menu{position:fixed;max-height:min(330px,calc(100vh - 16px))}
.class-filter-menu{position:absolute;top:calc(100% + 8px);left:0;width:max(240px,100%);max-width:min(320px,calc(100vw - 32px));z-index:10}
.class-combo-menu{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:20}
.ui-select-heading,
.class-filter-heading,
.class-combo-heading{
  padding:8px 10px 6px;
  font-size:10px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--faint);
}
.ui-select-options,
.class-filter-options,
.class-combo-options{
  display:grid;
  gap:2px;
  max-height:272px;
  overflow-y:auto;
  scrollbar-width:thin;
}
.ui-select-option,
.class-option,
.class-combo-option{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  min-height:36px;
  padding:7px 10px;
  border:0;
  border-radius:8px;
  background:transparent;
  color:var(--ink-2);
  font:inherit;
  font-size:13px;
  font-weight:600;
  text-align:left;
  transition:background .14s,color .14s;
}
.ui-select-option:hover,
.ui-select-option:focus-visible,
.class-option:hover,
.class-option:focus-visible,
.class-combo-option:hover,
.class-combo-option:focus-visible{background:var(--surface-2)}
.ui-select-option.active,
.class-option.active,
.class-combo-option.active{background:var(--accent-soft);color:var(--accent-deep);font-weight:700}
.ui-select-option:disabled{opacity:.45;cursor:not-allowed}
.ui-select-option span:first-child,
.class-option-name,
.class-combo-option-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.class-option-count,
.class-combo-option-count{font-size:10.5px;color:var(--faint);white-space:nowrap}
.class-option.active .class-option-count,
.class-combo-option.active .class-combo-option-count{color:#dc806b}
.class-option-check,
.class-combo-option-check{visibility:hidden;font-weight:900;color:var(--accent-deep)}
.class-option.active .class-option-check,
.class-combo-option.active .class-combo-option-check{visibility:visible}
.class-combo-empty{padding:10px 11px 8px;font-size:12px;line-height:1.6;color:var(--faint)}
.class-filter{position:relative;flex:none;min-width:160px}
.class-field{position:relative}
.class-combo{position:relative}
.class-combo input{width:100%;padding-right:40px}
.class-combo-toggle{
  position:absolute;
  top:50%;
  right:7px;
  transform:translateY(-50%);
  display:grid;
  place-items:center;
  width:26px;
  height:26px;
  border:0;
  border-radius:7px;
  background:transparent;
  color:var(--muted);
}
.class-combo-toggle:hover{background:var(--surface-3)}
.class-combo.open input{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}
.class-field .helper{margin:6px 0 0}

/* ---------- 12. 活动班次编辑 / 地点搜索 ---------- */
.shifts-rows{display:grid;gap:8px;margin-top:10px}
.shift-row{
  display:flex;
  align-items:flex-end;
  gap:8px;
  flex-wrap:wrap;
  padding:10px;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--surface-2);
}
.shift-cell{display:flex;flex-direction:column;gap:4px;min-width:0}
.shift-cell>span{font-size:11px;font-weight:700;color:var(--muted)}
.shift-cell input{
  min-width:0;
  height:36px;
  padding:0 9px;
  border:1px solid var(--border-strong);
  border-radius:8px;
  background:#fff;
  color:var(--ink);
  font:inherit;
  outline:none;
  transition:border-color .16s,box-shadow .16s;
}
.shift-cell input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}
.shift-cell:nth-child(1) input{width:140px}
.shift-cell:nth-child(2) input,
.shift-cell:nth-child(3) input{width:96px}
.shift-cell:nth-child(5) input{width:80px}
.shift-name-cell{flex:1 1 150px}
.shift-name-cell input{width:100%;min-width:120px}
.shift-open-cell{
  flex-direction:row;
  align-items:center;
  gap:6px;
  padding-bottom:8px;
  font-size:12px;
  color:var(--ink-2);
  white-space:nowrap;
}
.shift-open-cell .shift-selectable{width:16px;height:16px;padding:0;margin:0;accent-color:var(--accent)}
.shift-remove{flex:none}
.shifts-actions{margin-top:10px}

.place-search{display:flex;align-items:center;gap:8px}
.place-search input{
  flex:1;
  min-width:0;
  height:38px;
  padding:0 12px;
  border:1px solid var(--border-strong);
  border-radius:9px;
  background:#fff;
  color:var(--ink);
  outline:none;
  transition:border-color .16s,box-shadow .16s;
}
.place-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}
.place-search .button{flex:none}
.place-results{display:grid;gap:6px;margin-top:8px;max-height:230px;overflow:auto}
.place-results:empty{display:none}
.place-actions{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.place-item{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:2px;
  width:100%;
  padding:9px 11px;
  border:1px solid var(--border);
  border-radius:9px;
  background:#fff;
  text-align:left;
  transition:border-color .15s,background .15s;
}
.place-item:hover,
.place-item:focus-visible{border-color:var(--accent-soft-2);background:var(--accent-soft)}
.place-item strong{font-size:13px;color:var(--ink)}

/* ---------- 13. 部署面板（默认隐藏，保留样式防止闪现） ---------- */
#deploy-panel{display:none!important}
.deploy-panel{margin-top:18px}
.deploy-panel .callout{margin:14px 0}
.deploy-repo-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.deploy-repo-head strong{color:var(--ink-2)}
.deploy-files{
  display:grid;
  gap:6px;
  max-height:220px;
  overflow:auto;
  margin:10px 0 0;
  padding:0;
  list-style:none;
}
.deploy-files li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:7px 10px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
}
.deploy-file-state{
  flex:none;
  padding:1px 6px;
  border-radius:5px;
  background:var(--amber-soft);
  color:var(--amber);
  font-size:11px;
  font-weight:700;
  line-height:1.6;
}
.deploy-file-path{min-width:0;color:var(--ink-2);font-size:12px;line-height:1.7;word-break:break-all}
.deploy-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:16px 0}
.deploy-actions span{font-weight:700;color:var(--ink-2)}
.deploy-message{max-width:720px;margin:14px 0 0}
.deploy-stages{
  display:grid;
  gap:7px;
  max-width:520px;
  margin:14px 0;
  padding:0;
  list-style:none;
}
.deploy-stages li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:9px 12px;
  border:1px solid var(--border);
  border-radius:9px;
  background:var(--surface-2);
}
.deploy-stages strong{color:var(--ink-2)}

/* ---------- 14. 侧边栏收起模式（仅桌面生效，参考成熟开源后台的双模式侧边栏） ---------- */
@media (min-width:761px){
  .shell{transition:grid-template-columns .26s cubic-bezier(.3,.7,.35,1)}
  .sidebar{transition:width .26s cubic-bezier(.3,.7,.35,1),padding .26s cubic-bezier(.3,.7,.35,1)}
  .sidebar-collapsed .shell{grid-template-columns:74px minmax(0,1fr)}
  .sidebar-collapsed .sidebar{padding:16px 9px 12px}
  /* 品牌区：仅保留徽标 */
  .sidebar-collapsed .sidebar-brand{justify-content:center;padding:6px 0 14px}
  .sidebar-collapsed .sidebar-brand strong,
  .sidebar-collapsed .sidebar-brand span{display:none}
  /* 菜单：仅图标，分组文字退化为细分隔线 */
  .sidebar-collapsed #nav{padding:0}
  .sidebar-collapsed .nav-group{
    margin:9px 4px 0;
    padding:4px 0 0;
    border-top:1px solid var(--border);
    font-size:0;
    letter-spacing:0;
    overflow:hidden;
  }
  .sidebar-collapsed .nav-group:first-child{margin-top:0;border-top:0}
  .sidebar-collapsed .nav-item{justify-content:center;gap:0;padding:9px 0}
  .sidebar-collapsed .nav-item .icon{width:22px;height:22px}
  .sidebar-collapsed .nav-item .icon svg{width:18px;height:18px}
  .sidebar-collapsed .nav-item .label{display:none}
  .sidebar-collapsed .nav-item.active{
    background:var(--accent-soft);
    color:var(--accent-deep);
    box-shadow:inset 0 0 0 1px #f8d3c1;
  }
  /* 底部：头像与退出图标居中 */
  .sidebar-collapsed .sidebar-footer{padding-top:10px}
  .sidebar-collapsed .sidebar-user{display:grid;place-items:center;padding:4px 0;background:transparent}
  .sidebar-collapsed .sidebar-user-text{display:none}
  .sidebar-collapsed .text-button{font-size:0;gap:0;justify-content:center;padding:8px 0}
  .sidebar-collapsed .text-button svg{width:16px;height:16px}
}

/* 收起态悬浮菜单名提示 */
.nav-tooltip{
  position:fixed;
  z-index:calc(var(--z-popover) + 10);
  padding:6px 11px;
  border-radius:8px;
  background:#223049;
  color:#fff;
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
  box-shadow:0 12px 26px -10px rgba(15,23,42,.45);
  pointer-events:none;
  opacity:0;
  transform:translateX(-4px);
  transition:opacity .16s ease,transform .16s ease;
}
.nav-tooltip:not([hidden]){opacity:1;transform:none}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1280px){
  .shell{grid-template-columns:196px minmax(0,1fr)}
}
@media (max-width:1080px){
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two-col{grid-template-columns:1fr}
  .content{padding:22px 22px 48px}
}
@media (max-width:900px){
  .shell{grid-template-columns:184px minmax(0,1fr)}
  .topbar{padding:0 20px}
  .content{padding:20px 18px 44px}
  .auth-card{grid-template-columns:1fr}
  .auth-aside{padding:24px 24px 22px}
  .auth-pitch{margin-top:18px}
  .auth-pitch h2{font-size:20px}
  .auth-pitch p,
  .auth-points,
  .auth-aside-foot{display:none}
  .auth-mobile-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
  .auth-main{padding:28px 26px 30px}
}
@media (max-width:760px){
  .shell{display:block}
  .sidebar{
    position:sticky;
    top:0;
    z-index:var(--z-sidebar);
    height:auto;
    gap:8px;
    padding:10px 12px;
    border-right:0;
    border-bottom:1px solid var(--border);
    box-shadow:0 8px 24px -22px rgba(15,23,42,.5);
  }
  .sidebar-brand{padding:0 2px 2px;gap:9px}
  .brand-mark.small{width:34px;height:34px;border-radius:10px;font-size:16px}
  .sidebar-brand strong{font-size:14.5px}
  .sidebar-brand span{margin-top:1px;font-size:9px}
  #nav{flex-direction:row;gap:4px;margin:0 -2px;padding:0 0 2px;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none}
  #nav::-webkit-scrollbar{display:none}
  .nav-group{display:none}
  .nav-item{flex:none;width:auto;gap:6px;padding:7px 10px;border-radius:8px;font-size:12.5px;white-space:nowrap}
  .nav-item .icon{width:18px;height:18px}
  .nav-item .icon svg{width:15px;height:15px}
  .sidebar-footer{position:absolute;top:10px;right:12px;margin:0;padding:0;border:0}
  .sidebar-user{display:none}
  .shell .text-button{
    padding:6px 9px;
    border:1px solid var(--border);
    background:#fff;
    font-size:11px;
    gap:5px;
  }
  .text-button svg{width:13px;height:13px}
  .topbar{position:static;height:auto;flex-wrap:wrap;gap:10px;padding:12px 16px}
  .topbar h1{font-size:16.5px}
  .topbar h1::before{margin-right:9px;height:13px}
  #sync-label{display:none}
  .refresh-button{height:32px;padding:0 10px;font-size:11.5px}
  .content{padding:16px 14px 44px}
  .notice{font-size:12.5px}
  .stats-grid{gap:10px}
  .stat-card{padding:14px 15px}
  .stat-card strong{font-size:25px;margin:10px 0 4px}
  .panel{padding:16px;border-radius:14px}
  .panel-head,.section-head{margin-bottom:13px;padding-bottom:11px}
  .panel-head h2,.section-head h2{font-size:14.5px}
  .toolbar{gap:8px}
  .search{flex:1 1 100%;max-width:none;min-width:0}
  .segmented{max-width:100%;overflow-x:auto}
  .form-grid{grid-template-columns:1fr;gap:13px}
  .form-grid .wide{grid-column:auto}
  .form-grid .wide .button{width:100%}
  .modal{border-radius:14px}
  .modal-head{padding:16px 18px}
  .modal-body{padding:16px 18px}
  .modal-footer{padding:12px 18px}
  .class-filter{flex:1 1 150px}
  .class-filter-menu{width:min(300px,calc(100vw - 32px))}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .stat-card{padding:13px 13px}
  .stat-card strong{font-size:22px}
  .stat-card small{font-size:10px}
  .topbar h1{font-size:15.5px}
  .auth-card{border-radius:18px}
  .auth-main h1{font-size:22px}
}

/* ---------- 15. 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* ---------- 16. 顶栏账号卡片（登录角色 + 修改密码 / 退出登录） ---------- */
.user-chip-wrap{position:relative;flex:none;margin-right:2px}
.user-chip{
  display:flex;
  align-items:center;
  gap:9px;
  padding:4px 8px 4px 4px;
  border:1px solid transparent;
  border-radius:999px;
  background:transparent;
  cursor:pointer;
  transition:background .16s,border-color .16s,box-shadow .16s;
}
.user-chip:hover{background:var(--surface-2);border-color:var(--border)}
.user-chip:focus-visible{outline:2px solid rgba(238,91,47,.5);outline-offset:1px}
.user-chip .user-avatar{
  display:grid;
  place-items:center;
  flex:none;
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--accent-deep);
  font-size:12.5px;
  font-weight:800;
  line-height:1;
  box-shadow:inset 0 0 0 1px var(--accent-soft-2);
}
.user-chip-text{display:block;text-align:left;min-width:0}
.user-chip-name{
  font-size:13px;
  font-weight:700;
  color:var(--ink-2);
  line-height:1.2;
  max-width:150px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.user-chip-caret{
  width:8px;
  height:8px;
  flex:none;
  margin:0 2px;
  border-right:2px solid #8b96a6;
  border-bottom:2px solid #8b96a6;
  transform:rotate(45deg) translateY(-2px);
  transition:transform .16s ease;
}
.user-chip[aria-expanded="true"] .user-chip-caret{transform:rotate(225deg) translateY(-1px)}
.user-chip[aria-expanded="true"]{background:var(--surface-2);border-color:var(--border)}

.user-menu{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  min-width:228px;
  padding:6px;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--surface);
  box-shadow:0 20px 48px -18px rgba(15,23,42,.35);
  transform-origin:top right;
  animation:user-menu-in .18s cubic-bezier(.2,.85,.3,1) both;
  z-index:70;
}
@keyframes user-menu-in{
  from{opacity:0;transform:translateY(-4px) scale(.985)}
}
.user-menu-head{
  padding:10px 11px;
  margin:-6px -6px 6px;
  border-bottom:1px solid var(--hairline);
  border-radius:12px 12px 0 0;
  background:var(--surface-2);
}
.user-menu-head strong{
  display:block;
  font-size:13px;
  font-weight:750;
  color:var(--ink);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.user-menu-head small{display:block;margin-top:3px;font-size:10.5px;color:var(--faint)}
.user-menu button{
  display:flex;
  align-items:center;
  gap:9px;
  width:100%;
  padding:9px 10px;
  border:0;
  border-radius:8px;
  background:transparent;
  color:var(--ink-2);
  font-size:13px;
  font-weight:600;
  text-align:left;
  transition:background .15s,color .15s;
}
.user-menu button svg{width:15px;height:15px;flex:none}
.user-menu button:hover{background:var(--surface-2);color:var(--ink)}
.user-menu .user-menu-logout{color:var(--red)}
.user-menu .user-menu-logout:hover{background:var(--red-soft);color:var(--red)}
.user-menu-divider{height:1px;background:var(--hairline);margin:6px 4px}
@media (max-width:980px){
  .user-chip-text{display:none}
  .user-chip{padding:4px;gap:6px}
  .user-chip-caret{margin-right:0}
}

/* ---------- 17. 密码可视切换 ---------- */
.password-wrap{position:relative}
.password-wrap input{width:100%;padding-right:42px}
.password-toggle{
  position:absolute;
  top:50%;
  right:7px;
  transform:translateY(-50%);
  display:grid;
  place-items:center;
  width:28px;
  height:28px;
  padding:0;
  border:0;
  border-radius:7px;
  background:transparent;
  cursor:pointer;
  transition:background .15s;
}
.password-toggle::before{
  content:"";
  width:17px;
  height:17px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7b91' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 12S6 5.5 12 5.5 21.5 12 21.5 12 18 18.5 12 18.5 2.5 12 2.5 12Z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") center/contain no-repeat;
}
.password-toggle:hover{background:var(--surface-3)}
.password-toggle.is-visible::before{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7b91' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3%203l18%2018'/%3E%3Cpath d='M10.7%2010.7a3%203%200 0 0%204.2%204.2'/%3E%3Cpath d='M9.9%205.2A10%2010%200 0 1 12%205c7%200 10%207%2010%207a13.5%2013.5%200 0 1-2.2%203'/%3E%3Cpath d='M6.6%206.6A13.5%2013.5%200 0 0 2%2012s3%207%2010%207c1.3%200%202.5-.2%203.6-.6'/%3E%3C/svg%3E");
  background-position:center;
  background-size:contain;
  background-repeat:no-repeat;
}
.password-toggle:focus-visible{outline:2px solid rgba(238,91,47,.45);outline-offset:1px}
.auth-main .password-wrap .auth-code-input{width:100%}