/* Sunstone DTC Brand Lab — 视觉系统
   取自 Partner Prospectus 2026:紫→粉渐变、深墨蓝正文、大圆角卡片、大量留白。 */

:root{
  --violet:#4B2FE3;
  --violet-dark:#3418C4;
  --magenta:#B31E96;
  --pink:#E0218A;
  --grad:linear-gradient(96deg,#4B2FE3 0%,#8A22C9 52%,#E0218A 100%);
  --grad-soft:linear-gradient(96deg,rgba(75,47,227,.10),rgba(224,33,138,.10));

  --ink:#0D0B33;
  --ink-2:#3A3767;
  --muted:#7A78A0;
  --line:#E8E6F6;
  --line-2:#F2F0FB;
  --bg:#FAF9FF;
  --card:#FFFFFF;

  --ok:#12A150; --warn:#C97A08; --bad:#D6265B;

  --r-lg:20px; --r:14px; --r-sm:10px; --r-pill:999px;
  --shadow:0 1px 2px rgba(13,11,51,.04),0 8px 24px rgba(13,11,51,.05);
  --shadow-lift:0 2px 4px rgba(13,11,51,.05),0 16px 40px rgba(75,47,227,.10);
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --display:'Poppins','Inter',-apple-system,sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--violet);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.22;margin:0;letter-spacing:-.015em}
h1{font-size:30px}
h2{font-size:21px}
h3{font-size:17px}
p{margin:0 0 12px}

.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ───────── 布局 ───────── */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex:0 0 248px;background:var(--card);
  border-right:1px solid var(--line);padding:22px 14px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 20px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--grad);flex:0 0 30px}
.brand-name{font-family:var(--display);font-weight:700;font-size:14.5px;color:var(--ink);line-height:1.2}
.brand-name span{display:block;font-weight:600;font-size:11.5px;color:var(--violet);letter-spacing:.02em}

/* 门户标签:一眼看出自己在哪一端 */
.portal-tag{
  display:inline-flex;align-items:center;gap:6px;margin:0 8px 14px;padding:4px 11px;
  border-radius:var(--r-pill);font-size:11px;font-weight:700;letter-spacing:.07em;
  text-transform:uppercase;
}
.portal-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.portal-tag.portal-member{background:rgba(75,47,227,.09);color:var(--violet)}
.portal-tag.portal-lecturer{background:rgba(224,33,138,.10);color:var(--pink)}
.portal-tag.portal-admin{background:var(--grad);color:#fff}

.nav{display:flex;flex-direction:column;gap:2px}
/* 讲师端把"建一节课"做成主行动,不用去日程表上找 */
.nav a.nav-cta{background:var(--grad);color:#fff;font-weight:600;margin-bottom:4px}
.nav a.nav-cta:hover{color:#fff;box-shadow:var(--shadow-lift)}
.nav a.nav-cta.on{background:var(--grad);color:#fff}
.nav a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r-sm);
  color:var(--ink-2);font-weight:500;font-size:14px;text-decoration:none;
}
.nav a:hover{background:var(--line-2);color:var(--ink)}
.nav a.on{background:var(--grad-soft);color:var(--violet);font-weight:600}
.nav a .ic{width:18px;text-align:center;opacity:.85;font-size:15px}
.nav-sep{height:1px;background:var(--line);margin:12px 8px}
.nav-label{font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);padding:4px 12px 6px}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 30px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.82);
  backdrop-filter:blur(8px);position:sticky;top:0;z-index:20;
}
.crumb{font-size:13px;color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb b{color:var(--ink);font-weight:600}
.topbar-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.content{padding:28px 30px 64px;max-width:1180px;width:100%}

.page-head{margin-bottom:22px}
.page-head .eyebrow{
  font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--violet);margin-bottom:7px;
}
.page-head .sub{color:var(--muted);margin-top:7px;max-width:62ch}
.head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap}

/* ───────── 卡片 ───────── */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:18px 20px}
.card.lg{border-radius:var(--r-lg);padding:22px 24px}
.card-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.card-title h3{font-size:15px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:18px}

/* ───────── 按钮 ───────── */
.btn{
  display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
  background:var(--card);color:var(--ink);border-radius:var(--r-pill);
  padding:8px 16px;font-size:13.5px;font-weight:600;cursor:pointer;
  font-family:var(--sans);text-decoration:none;transition:.15s;
}
.btn:hover{border-color:#D3CFF0;text-decoration:none;box-shadow:var(--shadow)}
.btn.primary{background:var(--grad);border-color:transparent;color:#fff}
.btn.primary:hover{box-shadow:var(--shadow-lift);color:#fff}
.btn.sm{padding:5px 12px;font-size:12.5px}
.btn.ghost{background:transparent;border-color:transparent;color:var(--violet)}
.btn.danger{color:var(--bad);border-color:#F6D6E1}

/* ───────── 徽标 ───────── */
.pill{
  display:inline-flex;align-items:center;gap:5px;border-radius:var(--r-pill);
  padding:3px 10px;font-size:11.5px;font-weight:600;letter-spacing:.01em;
  background:var(--line-2);color:var(--ink-2);white-space:nowrap;
}
.pill.violet{background:rgba(75,47,227,.10);color:var(--violet)}
.pill.pink{background:rgba(224,33,138,.10);color:var(--pink)}
.pill.ok{background:rgba(18,161,80,.11);color:var(--ok)}
.pill.warn{background:rgba(201,122,8,.12);color:var(--warn)}
.pill.bad{background:rgba(214,38,91,.10);color:var(--bad)}
.pill.grad{background:var(--grad);color:#fff}

/* ───────── 头像 ───────── */
.av{
  width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:600;font-size:13px;flex:0 0 auto;letter-spacing:.02em;
}
.av.has-img{background-size:cover;background-position:center;color:transparent;
  background-image:none;box-shadow:inset 0 0 0 1px rgba(13,11,51,.06)}
.av.sm{width:28px;height:28px;font-size:11px}
.av.lg{width:56px;height:56px;font-size:19px}
.av-row{display:flex;align-items:center;gap:10px}
.av-stack{display:flex}
.av-stack .av{margin-left:-8px;border:2px solid #fff}
.av-stack .av:first-child{margin-left:0}

/* ───────── 列表行 ───────── */
.row{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line-2)}
.row:last-child{border-bottom:0}
.row .grow{flex:1;min-width:0}
.row .t{font-weight:600;color:var(--ink);display:block}
.row .s{font-size:12.5px;color:var(--muted);display:block}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ───────── 模块卡 ───────── */
.mod-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:18px 20px;text-decoration:none;display:block;position:relative;overflow:hidden;
  transition:.18s;box-shadow:var(--shadow);
}
.mod-card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:#D9D4F4}
.mod-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.mod-num{font-size:11px;font-weight:700;letter-spacing:.13em;color:var(--violet);text-transform:uppercase}
.mod-card h3{margin:5px 0 5px;color:var(--ink)}
.mod-card .desc{font-size:13px;color:var(--muted);margin-bottom:12px}
.mod-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line-2);padding-top:11px;font-size:12.5px;color:var(--muted)}

/* ───────── 阶段条 ───────── */
.phase-head{display:flex;align-items:center;gap:12px;margin:26px 0 12px}
.phase-n{width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  font-family:var(--display)}
.phase-head h2{font-size:15px;letter-spacing:.06em;text-transform:uppercase}
.phase-head .line{flex:1;height:1px;background:var(--line)}

/* ───────── 进度条 ───────── */
.bar{height:7px;border-radius:var(--r-pill);background:var(--line-2);overflow:hidden}
.bar > i{display:block;height:100%;background:var(--grad);border-radius:var(--r-pill)}

/* ───────── 统计块 ───────── */
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.stat .n{font-family:var(--display);font-weight:700;font-size:27px;line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:12.5px;color:var(--muted);margin-top:3px}

/* ───────── 表单 ───────── */
label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin:0 0 5px}
input[type=text],input[type=email],input[type=password],input[type=number],
input[type=datetime-local],input[type=date],input[type=url],select,textarea{
  width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:var(--r-sm);
  font-family:var(--sans);font-size:14px;color:var(--ink);background:#fff;
}
textarea{min-height:96px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--violet);
  box-shadow:0 0 0 3px rgba(75,47,227,.11)}
.field{margin-bottom:14px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.check{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.check input{width:auto}

/* ───────── 表格 ───────── */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tr:last-child td{border-bottom:0}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
td.num{text-align:right;font-variant-numeric:tabular-nums}
td .av-row{flex-wrap:nowrap}
td .av-row a{white-space:nowrap}

/* ───────── 课表 ───────── */
.day{display:grid;grid-template-columns:118px minmax(0,1fr);gap:18px;margin-bottom:6px}
.day-label{padding-top:14px}
.day-label .d{font-family:var(--display);font-weight:700;font-size:15px}
.day-label .w{font-size:12px;color:var(--muted)}
.sess{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);padding:14px 16px;margin-bottom:10px;text-decoration:none;
  border-left:3px solid var(--violet);transition:.15s}
.sess:hover{text-decoration:none;box-shadow:var(--shadow);border-color:#D9D4F4;border-left-color:var(--pink)}
.sess .time{font-size:12.5px;color:var(--muted);width:88px;flex:0 0 88px;font-variant-numeric:tabular-nums}
.sess .t{font-weight:600;color:var(--ink);display:block}
.sess .m{font-size:12.5px;color:var(--muted);margin-top:2px;display:block}

/* ───────── 讨论帖 ───────── */
.post{display:flex;gap:13px;padding:16px 0;border-bottom:1px solid var(--line-2)}
.post:last-child{border-bottom:0}
.post .body{white-space:pre-wrap;margin-top:5px;color:var(--ink-2)}
.post .meta{font-size:12.5px;color:var(--muted)}

/* ───────── 提示条 ───────── */
.flash{padding:11px 16px;border-radius:var(--r-sm);background:rgba(18,161,80,.10);
  color:var(--ok);font-size:13.5px;font-weight:500;margin-bottom:16px}
.flash.bad{background:rgba(214,38,91,.09);color:var(--bad)}
.empty{text-align:center;color:var(--muted);padding:34px 16px;font-size:13.5px}

/* ───────── 登录页 ───────── */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.login-art{background:var(--grad);color:#fff;padding:56px;display:flex;
  flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login-art h1{font-size:44px;color:#fff;max-width:12ch}
.login-art .tag{font-size:16.5px;opacity:.9;margin-top:16px;max-width:34ch}
.login-art .facts{display:flex;gap:34px;margin-top:34px}
.login-art .facts div b{display:block;font-family:var(--display);font-size:30px;line-height:1.1}
.login-art .facts div span{font-size:12.5px;opacity:.85}
.login-art .blob{position:absolute;border-radius:50%;background:rgba(255,255,255,.11)}
.login-form{display:flex;align-items:center;justify-content:center;padding:40px;background:var(--card)}
.login-form .box{width:100%;max-width:352px}

/* ───────── 语言切换 ───────── */
.lang{display:inline-flex;border:1px solid var(--line);border-radius:var(--r-pill);overflow:hidden}
.lang a{padding:4px 11px;font-size:12px;font-weight:600;color:var(--muted);text-decoration:none;white-space:nowrap}
.lang a.on{background:var(--grad);color:#fff}

.muted{color:var(--muted)}
.small{font-size:12.5px}
.mt{margin-top:16px}.mt-lg{margin-top:26px}.mb{margin-bottom:16px}
.flex{display:flex;align-items:center;gap:10px}
.flex-wrap{flex-wrap:wrap}
.between{justify-content:space-between}
.right{margin-left:auto}

@media (max-width:1000px){
  .split{grid-template-columns:1fr}
  .g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .shell{flex-direction:column}
  .sidebar{width:100%;flex:none;height:auto;position:static;border-right:0;border-bottom:1px solid var(--line)}
  .nav{flex-direction:row;overflow-x:auto;gap:4px}
  .nav a{white-space:nowrap;flex:0 0 auto}
  .nav-sep,.nav-label{display:none}
  .portal-tag{margin:0 0 10px}
  .content{padding:20px 16px 48px}
  .topbar{padding:0 16px;gap:10px}
  .crumb{display:none}
  .topbar-right .small{display:none}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .day{grid-template-columns:1fr;gap:4px}
  .login-wrap{grid-template-columns:1fr}
  .login-art{display:none}
}


/* ───────── 录屏 ───────── */
.rec-card{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);padding:14px;text-decoration:none;transition:.18s;box-shadow:var(--shadow);
}
.rec-card:hover{text-decoration:none;transform:translateY(-2px);
  box-shadow:var(--shadow-lift);border-color:#D9D4F4}
.rec-thumb{
  position:relative;flex:0 0 104px;height:66px;border-radius:var(--r-sm);
  background:var(--grad);display:flex;align-items:center;justify-content:center;
}
.rec-play{color:#fff;font-size:17px;opacity:.95}
.rec-play.lg{font-size:34px;color:var(--violet);opacity:.55}
.rec-len{
  position:absolute;right:5px;bottom:5px;background:rgba(13,11,51,.62);color:#fff;
  font-size:10.5px;font-weight:600;padding:1px 5px;border-radius:5px;
}
.rec-body{min-width:0;display:flex;flex-direction:column;gap:4px}
.rec-title{font-weight:600;color:var(--ink);line-height:1.35}
.rec-meta{font-size:12px;color:var(--muted);line-height:1.45}
.rec-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:2px}
.rec-dot{
  width:30px;height:30px;border-radius:8px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex:0 0 auto;
}

.player{
  position:relative;width:100%;aspect-ratio:16/9;background:#0D0B33;
  border-radius:var(--r);overflow:hidden;border:1px solid var(--line);
}
.player video,.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.player-fallback{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:12px;background:var(--card);padding:24px;text-align:center;
}

/* 权限开关那一格 */
.perm-form{display:flex;flex-direction:column;gap:5px;align-items:flex-start}
.perm-form .check{gap:6px}


/* 添加成员:横排表单,收起时只有一行 */
.add-summary{
  cursor:pointer;font-family:var(--display);font-weight:700;font-size:15px;
  list-style:none;display:flex;align-items:center;gap:8px;
}
.add-summary::-webkit-details-marker{display:none}
.add-summary::before{content:"+";color:var(--violet);font-size:18px;line-height:1}
details[open] .add-summary::before{content:"−"}
.add-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
@media (max-width:900px){ .add-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:600px){ .add-grid{grid-template-columns:1fr} }


/* ───────── 邀请码 ───────── */
.code-input{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:19px;letter-spacing:.14em;text-align:center;text-transform:uppercase;
  padding:13px 12px;
}
.code-chip{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;
  background:var(--line-2);border:1px solid var(--line);border-radius:7px;
  padding:3px 8px;letter-spacing:.04em;white-space:nowrap;color:var(--ink);
}
.fresh-list{display:flex;flex-direction:column;gap:8px}
.fresh-row{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--line-2)}
.fresh-row:last-child{border-bottom:0}
.fresh-row .grow{flex:1;min-width:0}
tr.row-dim td{opacity:.58}


/* ───────── 日程表 ───────── */
.cal-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:16px}
.cal-nav{display:flex;align-items:center;gap:10px;min-width:0}
.cal-range{font-size:18px;white-space:nowrap}
.cal-arrow{
  width:30px;height:30px;border:1px solid var(--line);border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);font-size:17px;line-height:1;text-decoration:none;background:var(--card);
}
.cal-arrow:hover{text-decoration:none;border-color:#D3CFF0;color:var(--violet)}

.seg{display:inline-flex;border:1px solid var(--line);border-radius:var(--r-pill);
  overflow:hidden;background:var(--card)}
.seg a{padding:6px 14px;font-size:13px;font-weight:600;color:var(--muted);text-decoration:none}
.seg a:hover{text-decoration:none;color:var(--ink)}
.seg a.on{background:var(--grad);color:#fff}

.cal-shell{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;box-shadow:var(--shadow)}
.cal-head,.cal-allday,.cal-body{display:grid;grid-template-columns:64px repeat(var(--cols,7),minmax(0,1fr))}
.cal-head{border-bottom:1px solid var(--line);background:var(--card);
  position:sticky;top:60px;z-index:6}
.cal-dayhead{padding:9px 6px;text-align:center;border-left:1px solid var(--line-2)}
.cal-dayhead .dow{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted)}
.cal-dayhead .dnum{display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;font-family:var(--display);font-weight:700;
  font-size:15px;color:var(--ink);text-decoration:none;margin-top:2px}
.cal-dayhead .dnum:hover{background:var(--line-2);text-decoration:none}
.cal-dayhead.is-today .dnum{background:var(--grad);color:#fff}
.cal-dayhead.is-today .dow{color:var(--violet)}

.cal-allday{border-bottom:1px solid var(--line);background:var(--bg)}
.cal-allday-col{border-left:1px solid var(--line-2);padding:5px 4px;
  display:flex;flex-direction:column;gap:3px;min-height:34px}
.cal-gutter-head{padding:8px 6px;text-align:right}

.cal-body{position:relative;overflow:visible;padding-top:12px}
.cal-gutter{position:relative}
.cal-hour{position:relative;border-bottom:1px solid transparent}
.cal-hour span{position:absolute;top:-7px;right:8px;font-size:11px;color:var(--muted);
  font-variant-numeric:tabular-nums;background:var(--card);padding:0 2px}
.cal-col{position:relative;border-left:1px solid var(--line-2)}
.cal-col.is-today{background:rgba(75,47,227,.028)}
.cal-line{border-bottom:1px solid var(--line-2)}

.cal-now{position:absolute;left:0;right:0;height:0;border-top:2px solid var(--pink);z-index:4}
.cal-now i{position:absolute;left:-4px;top:-5px;width:8px;height:8px;border-radius:50%;
  background:var(--pink)}

.ev{
  position:absolute;border-radius:8px;padding:4px 7px;overflow:hidden;
  text-decoration:none;font-size:12px;line-height:1.32;z-index:3;
  border-left:3px solid rgba(255,255,255,.5);transition:.12s;
}
.ev:hover{text-decoration:none;filter:brightness(.96);z-index:5;box-shadow:var(--shadow-lift)}
.ev-time{display:block;font-size:10.5px;opacity:.85;font-variant-numeric:tabular-nums}
.ev-title{display:block;font-weight:600;overflow:hidden;text-overflow:ellipsis}
.ev-sub{display:block;font-size:10.5px;opacity:.82;margin-top:2px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ev-flag{display:inline-block;margin-top:3px;font-size:9.5px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;background:rgba(255,255,255,.32);
  padding:0 5px;border-radius:4px}
.ev.is-draft{opacity:.7;border-left-style:dashed}

/* 按类型上色,全部在品牌色系里 */
.ev-lecture{background:#EDE9FE;color:#3418C4;border-left-color:#4B2FE3}
.ev-workshop{background:#FCE7F3;color:#9D174D;border-left-color:#E0218A}
.ev-panel{background:#E0E7FF;color:#3730A3;border-left-color:#4338CA}
.ev-office_hours{background:#F3F0FF;color:#5B21B6;border-left-color:#8B5CF6}
.ev-event{background:#FEF3C7;color:#92400E;border-left-color:#D97706}
.ev-showcase{background:var(--grad);color:#fff;border-left-color:#fff}

.chip{
  display:block;font-size:11px;padding:2px 7px;border-radius:6px;text-decoration:none;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-left:3px solid transparent;
}
.chip:hover{text-decoration:none;filter:brightness(.96)}
.chip b{font-weight:700;font-variant-numeric:tabular-nums;opacity:.85}

/* 月视图 */
.cal-month{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;box-shadow:var(--shadow)}
.cal-month-head,.cal-month-row{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.cal-month-head{border-bottom:1px solid var(--line)}
.cal-month-head div{padding:9px 8px;font-size:11px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);text-align:center}
.cal-cell{min-height:104px;border-top:1px solid var(--line-2);border-left:1px solid var(--line-2);
  padding:5px;display:flex;flex-direction:column;gap:3px}
.cal-cell.other{background:var(--bg)}
.cal-cell.other .cell-num{color:var(--muted);opacity:.6}
.cal-cell.is-today{background:rgba(75,47,227,.04)}
.cell-num{align-self:flex-start;font-family:var(--display);font-weight:700;font-size:12.5px;
  color:var(--ink);text-decoration:none;width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center}
.cal-cell.is-today .cell-num{background:var(--grad);color:#fff}
.cell-more{font-size:11px;color:var(--violet);padding-left:4px}

@media (max-width:900px){
  .cal-head,.cal-allday,.cal-body{grid-template-columns:48px repeat(var(--cols,7),minmax(0,1fr))}
  .cal-cell{min-height:78px}
  .cal-range{font-size:15px}
}

/* 手机:七列硬塞进 375px 就没法看了,改成整块横向滑动,一天至少 96px */
@media (max-width:760px){
  .cal-shell,.cal-month{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .cal-head,.cal-allday,.cal-body{min-width:calc(48px + var(--cols,7) * 96px)}
  .cal-month-head,.cal-month-row{min-width:616px}
  .cal-head{position:static}          /* 横滑时 sticky 会跟丢,索性不粘 */
  .cal-bar{gap:10px}
  .cal-bar > .flex{width:100%;justify-content:space-between;flex-wrap:wrap;gap:10px}
  .cal-bar .seg{flex:1 1 100%;justify-content:space-between}
  .cal-bar .seg a{flex:1;text-align:center}
  .cal-nav{width:100%;flex-wrap:wrap}
  .cal-range{width:100%;order:3}
  .seg a{padding:6px 11px}
  .ev{padding:3px 5px;font-size:11px}
  .ev-time{font-size:9.5px}
}


/* ───────── 建课向导 ───────── */
.steps{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.step{display:flex;align-items:center;gap:8px;opacity:.45}
.step.on,.step.past{opacity:1}
.step-n{width:24px;height:24px;border-radius:50%;background:var(--line-2);color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  font-family:var(--display);flex:0 0 auto}
.step.on .step-n{background:var(--grad);color:#fff}
.step.past .step-n{background:rgba(18,161,80,.13);color:var(--ok)}
.step-l{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.step-bar{flex:1;min-width:16px;height:1px;background:var(--line)}

.type-card{
  width:100%;text-align:left;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);padding:22px 20px;cursor:pointer;font-family:var(--sans);
  display:flex;flex-direction:column;gap:7px;transition:.18s;box-shadow:var(--shadow);
}
.type-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:#D9D4F4}
.type-ic{font-size:24px;color:var(--violet);line-height:1}
.type-name{font-family:var(--display);font-weight:700;font-size:17px;color:var(--ink)}
.type-desc{font-size:13px;color:var(--muted);line-height:1.5}

.has-error{border-color:var(--bad) !important;background:rgba(214,38,91,.03)}

.review{display:grid;grid-template-columns:180px minmax(0,1fr);gap:0;margin:0}
.review dt{padding:12px 0;font-size:12.5px;font-weight:600;color:var(--muted);
  border-top:1px solid var(--line-2)}
.review dd{padding:12px 0;margin:0;border-top:1px solid var(--line-2);color:var(--ink);min-width:0}
.review dd.pre{white-space:pre-wrap;line-height:1.6}
.review dt:first-of-type,.review dd:first-of-type{border-top:0}
@media (max-width:700px){
  .review{grid-template-columns:1fr}
  .review dt{padding-bottom:2px;border-top:1px solid var(--line-2)}
  .review dd{padding-top:0;border-top:0}
}


/* 头像上传 */
.pfp-row{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.pfp{width:76px;height:76px;border-radius:50%;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-family:var(--display);
  font-weight:600;font-size:25px;flex:0 0 auto;background-size:cover;background-position:center}
.pfp.has-img{color:transparent}


/* ───────── 上手指引 ───────── */
.guide-list{display:flex;flex-direction:column;gap:12px}
.guide-step{display:flex;align-items:flex-start;gap:14px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow)}
.guide-step.is-done{background:var(--bg);border-color:var(--line-2)}
.guide-n{width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-family:var(--display);
  font-weight:700;font-size:13px;flex:0 0 auto}
.guide-step.is-done .guide-n{background:rgba(18,161,80,.14);color:var(--ok)}
.guide-step > div:last-child{flex:0 0 auto}
.guide-step .btn{white-space:nowrap}
.guide-detail{margin-top:10px;padding:12px 14px;background:var(--line-2);border-radius:var(--r-sm);
  font-size:13px;color:var(--ink-2);line-height:1.6}
.guide-detail ol{margin:8px 0 6px;padding-left:20px}
.guide-detail li{margin-bottom:3px}

ul.tick,ul.cross{list-style:none;padding:0;margin:8px 0 0;font-size:13.5px;color:var(--ink-2)}
ul.tick li,ul.cross li{padding:5px 0 5px 22px;position:relative;line-height:1.5}
ul.tick li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
ul.cross li::before{content:"—";position:absolute;left:0;color:var(--muted)}

/* 首页上的指引条 */
.guide-banner{background:var(--grad-soft);border:1px solid #DCD6F7;border-radius:var(--r);
  padding:16px 20px;margin-bottom:18px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.guide-banner .grow{flex:1;min-width:180px}


/* ───────── 选模块 ───────── */
.pick-card{
  display:flex;flex-direction:column;gap:5px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;
  text-decoration:none;transition:.18s;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.pick-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.pick-card:hover{text-decoration:none;transform:translateY(-2px);
  box-shadow:var(--shadow-lift);border-color:#D9D4F4}
.pick-title{font-family:var(--display);font-weight:700;font-size:16.5px;color:var(--ink);
  line-height:1.28;margin-top:2px}
.pick-sub{font-size:12.5px;color:var(--muted);line-height:1.45}
.pick-foot{display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line-2);padding-top:11px;margin-top:8px;
  font-size:12.5px;color:var(--muted)}
.pick-go{width:26px;height:26px;border-radius:50%;background:var(--grad-soft);color:var(--violet);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.pick-card:hover .pick-go{background:var(--grad);color:#fff}

/* 形式三选一 */
.kind-pick{display:flex;gap:8px;flex-wrap:wrap}
.kind-opt{margin:0;cursor:pointer}
.kind-opt input{position:absolute;opacity:0;width:0;height:0}
.kind-opt span{
  display:inline-flex;align-items:center;padding:8px 18px;border:1px solid var(--line);
  border-radius:var(--r-pill);font-size:13.5px;font-weight:600;color:var(--ink-2);
  background:var(--card);transition:.15s;
}
.kind-opt:hover span{border-color:#D3CFF0}
.kind-opt input:checked + span{background:var(--grad);border-color:transparent;color:#fff}

/* 草稿条 */
.draft-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:rgba(201,122,8,.09);border:1px solid rgba(201,122,8,.22);
  border-radius:var(--r);padding:12px 16px;margin-bottom:18px;font-size:13.5px;color:#7A4C05;
}
.draft-bar .grow{flex:1;min-width:200px}
.draft-bar b{color:var(--warn)}


/* 学员指引顶部的"这里有什么" */
.here-card{display:flex;flex-direction:column;gap:6px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
.here-ic{font-size:19px;color:var(--violet);line-height:1}
.here-card b{font-family:var(--display);font-weight:700;font-size:15px;color:var(--ink)}
.here-card span:last-child{font-size:12.5px;color:var(--muted);line-height:1.5}

/* 还轮不到做的步骤,淡下去但不藏起来 */
.guide-step.is-waiting{opacity:.72}
.guide-step.is-waiting .guide-n{background:var(--line-2);color:var(--muted)}


/* ───────── 一对一:按"谁 + 哪天"成组 ───────── */
.oh-head{display:flex;align-items:center;gap:13px;padding-bottom:14px;
  border-bottom:1px solid var(--line-2);margin-bottom:4px}
.oh-head .grow{flex:1;min-width:0}
.oh-head .t{font-weight:600;color:var(--ink);display:block;text-decoration:none}
.oh-head .s{font-size:12.5px;color:var(--muted);display:block}

.oh-slots{display:flex;flex-direction:column}
.oh-slot{display:flex;align-items:center;gap:12px;padding:10px 0;
  border-bottom:1px solid var(--line-2)}
.oh-slot:last-child{border-bottom:0}
.oh-time{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;
  font-weight:600;color:var(--ink);width:64px;flex:0 0 64px;font-variant-numeric:tabular-nums}
.oh-mid{flex:1;min-width:0;font-size:13.5px;overflow:hidden;text-overflow:ellipsis}
.oh-mid b{color:var(--ink)}
.oh-topic{display:block;font-size:12px;color:var(--muted);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.oh-slot.taken{background:linear-gradient(90deg,var(--line-2),transparent 60%)}
.oh-slot.taken .oh-time{color:var(--muted)}
.oh-slot.mine{background:var(--grad-soft)}
.oh-slot.mine .oh-time{color:var(--violet)}


/* 邀请码的状态筛选器 */
.stat-link{display:block;text-decoration:none;transition:.15s}
.stat-link:hover{text-decoration:none;border-color:#D3CFF0;box-shadow:var(--shadow)}
.stat-link.on{border-color:var(--violet);box-shadow:0 0 0 2px rgba(75,47,227,.12)}
.stat-link.on .l{color:var(--violet);font-weight:600}


/* 刚发出来的那一个码,捧出来 */
.just-issued{border-color:rgba(18,161,80,.3);background:linear-gradient(180deg,rgba(18,161,80,.045),transparent 60%)}
.big-code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:clamp(26px,5vw,38px);font-weight:600;letter-spacing:.10em;
  color:var(--ink);background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);padding:18px 22px;text-align:center;user-select:all;
}
details.more{border-top:1px solid var(--line-2);margin-top:6px;padding-top:12px}
details.more > summary{
  cursor:pointer;list-style:none;font-size:13px;font-weight:600;color:var(--violet);
  display:flex;align-items:center;gap:6px;
}
details.more > summary::-webkit-details-marker{display:none}
details.more > summary::before{content:"▸";transition:.15s;display:inline-block}
details.more[open] > summary::before{transform:rotate(90deg)}


/* 在 localhost 上发码时的提醒 */
.local-warn{background:rgba(201,122,8,.09);border:1px solid rgba(201,122,8,.22);
  border-radius:var(--r-sm);padding:11px 14px;font-size:13px;line-height:1.55;color:#7A4C05}
.local-warn b{display:block;color:var(--warn);margin-bottom:3px}


/* 传视频的说明 */
.vid-guide{display:flex;flex-direction:column;gap:14px;margin-top:12px}
.vg-item{display:flex;flex-direction:column;gap:4px;padding-left:12px;
  border-left:2px solid var(--line)}
.vg-item b{font-size:13.5px;color:var(--ink)}
.vg-item span{font-size:12.5px;color:var(--muted);line-height:1.55}
.vg-warn{color:var(--warn) !important}


/* 模块卡上的数字 */
.mod-stats{display:flex;gap:16px;padding:10px 0 2px;font-size:13px;color:var(--ink)}
.mod-stats .ms b{font-weight:500;color:var(--muted);font-size:12.5px}
.mod-stats .ms.zero{color:var(--muted);opacity:.6}
.person-card{text-decoration:none;color:inherit;display:block;transition:.15s}
.person-card:hover{text-decoration:none;border-color:#D9D4F4;box-shadow:var(--shadow-lift);
  transform:translateY(-2px)}


/* 菜单上的待办数字 */
.nav-n{margin-left:auto;background:var(--grad);color:#fff;font-size:11px;font-weight:700;
  min-width:19px;height:19px;border-radius:var(--r-pill);display:inline-flex;
  align-items:center;justify-content:center;padding:0 6px;font-variant-numeric:tabular-nums}
.nav-n.soft{background:var(--line-2);color:var(--muted)}
.nav a.on .nav-n.soft{background:rgba(75,47,227,.14);color:var(--violet)}

/* 首页「要做的事」 */
.todo-card{border-color:#DCD6F7}
.todo-list{display:flex;flex-direction:column}
.todo-row{display:flex;align-items:center;gap:14px;padding:12px 0;
  border-bottom:1px solid var(--line-2);text-decoration:none;transition:.12s}
.todo-row:last-child{border-bottom:0}
.todo-row:hover{text-decoration:none;padding-left:6px}
.todo-when{width:74px;flex:0 0 74px;font-size:12px;color:var(--ink);line-height:1.4;
  font-variant-numeric:tabular-nums}
.todo-mid{flex:1;min-width:0}
.todo-label{display:block;font-size:10.5px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:2px}
.todo-session{color:var(--violet)}
.todo-task{color:var(--pink)}
.todo-meet{color:#5B21B6}
.todo-feedback{color:var(--warn)}
.todo-title{display:block;font-weight:600;color:var(--ink);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}


/* ───────── 侧边抽屉 ───────── */
.drawer-trigger{cursor:pointer;display:inline-flex;align-items:center;gap:6px;
  border-radius:6px;transition:.12s}
.drawer-trigger::after{content:"›";color:var(--muted);font-size:1.15em;line-height:1;
  transition:.15s;opacity:.55}
.drawer-trigger:hover{color:var(--violet)}
.drawer-trigger:hover::after{color:var(--violet);transform:translateX(2px);opacity:1}
.drawer-trigger:focus-visible{outline:2px solid var(--violet);outline-offset:3px}

.drawer-backdrop{position:fixed;inset:0;background:rgba(13,11,51,.28);opacity:0;
  pointer-events:none;transition:opacity .18s;z-index:60;backdrop-filter:blur(2px)}
.drawer-backdrop.on{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(460px,92vw);background:var(--card);
  border-left:1px solid var(--line);box-shadow:-16px 0 44px rgba(13,11,51,.13);
  transform:translateX(100%);transition:transform .22s cubic-bezier(.3,.7,.3,1);
  z-index:61;display:flex;flex-direction:column;
}
.drawer.on{transform:translateX(0)}
.drawer > header{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer > header h3{font-size:17px}
.drawer > header button{background:none;border:0;font-size:26px;line-height:1;
  color:var(--muted);cursor:pointer;padding:0 4px;border-radius:6px}
.drawer > header button:hover{color:var(--ink)}
.drawer-body{overflow-y:auto;padding:20px 22px 40px;flex:1}
.drawer-body .grid{grid-template-columns:1fr !important}
.drawer-body .card,.drawer-body .mod-card,.drawer-body .person-card{box-shadow:none}
body.drawer-open{overflow:hidden}
@media (prefers-reduced-motion: reduce){
  .drawer{transition:none}.drawer-backdrop{transition:none}
}


/* 详情页顶上的返回 */
.back-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:500;
  color:var(--muted);text-decoration:none;margin-bottom:16px;padding:4px 10px 4px 6px;
  border-radius:var(--r-pill);transition:.13s}
.back-link:hover{text-decoration:none;color:var(--violet);background:var(--line-2)}