/* Wendy Education OS · 視覺系統（規格書 02） */
:root{
  --bg:#F7F3ED;          /* 奶油白 */
  --ink:#272522;         /* 深炭灰 */
  --gold:#B69A6B;        /* 香檳金 */
  --beige:#EEE8DE;       /* 暖灰米 */
  --green:#4E7A62;       /* 松綠 */
  --rose:#B98478;        /* 柔玫瑰 */
  --card:#FFFFFF;
  --line:#E7E0D4;
  --muted:#8B857B;
  --radius:18px;
  --shadow:0 1px 2px rgba(39,37,34,.04), 0 6px 24px rgba(39,37,34,.05);
  --font:'Noto Sans TC','PingFang TC','Microsoft JhengHei','Noto Sans CJK TC',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit}

/* ===== layout ===== */
.app{display:flex;min-height:100vh}
.sidebar{width:216px;background:var(--ink);color:#DCD6CB;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:40}
.brand{padding:22px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .logo{font-size:16px;font-weight:700;color:#fff;letter-spacing:.4px}
.brand .logo b{color:var(--gold)}
.brand .sub{font-size:11px;color:#9a938a;margin-top:3px;letter-spacing:.6px}
.nav{flex:1;overflow-y:auto;padding:10px 10px 16px}
.nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;font-size:13.5px;color:#CFC8BC;margin:2px 0;transition:background .15s}
.nav a .ic{width:18px;text-align:center;opacity:.85}
.nav a:hover{background:rgba(255,255,255,.06)}
.nav a.active{background:var(--gold);color:#fff;font-weight:600}
.nav .sep{margin:10px 12px 6px;font-size:10.5px;letter-spacing:1.2px;color:#7d766c;text-transform:uppercase}
.side-foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;color:#8d867c}
.side-foot a{color:var(--gold)}

.main{flex:1;margin-left:216px;display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;display:flex;align-items:center;gap:14px;padding:0 26px;background:rgba(247,243,237,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar h1{font-size:17px;font-weight:700;letter-spacing:.2px}
.topbar .grow{flex:1}
.search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;width:280px;color:var(--muted)}
.search input{border:0;outline:0;flex:1;font-family:inherit;font-size:13px;background:transparent;color:var(--ink)}
.userchip{display:flex;align-items:center;gap:10px}
.userchip .av{width:34px;height:34px;border-radius:50%;background:var(--gold);color:#fff;display:grid;place-items:center;font-weight:700}
.userchip .nm{font-size:13px;font-weight:600;line-height:1.2}
.userchip .rl{font-size:11px;color:var(--muted)}
.content{padding:24px 26px 60px;max-width:1340px;width:100%}

/* ===== primitives ===== */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card.pad{padding:18px 20px}
.card.beige{background:var(--beige);border-color:#E2DACB}
.grid{display:grid;gap:14px}
.g6{grid-template-columns:repeat(6,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1180px){.g6{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.g6,.g4,.g3,.g2{grid-template-columns:1fr 1fr}}

.btn{display:inline-flex;align-items:center;gap:7px;border-radius:10px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:filter .15s, background .15s}
.btn.primary{background:var(--gold);color:#fff}
.btn.primary:hover{filter:brightness(1.06)}
.btn.ghost{background:#fff;color:var(--ink);border-color:#C9C2B4}
.btn.ghost:hover{background:var(--beige)}
.btn.green{background:var(--green);color:#fff}
.btn.rose{background:var(--rose);color:#fff}
.btn.sm{padding:5px 11px;font-size:12px;border-radius:8px}
.btn.xs{padding:3px 9px;font-size:11.5px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:default}

.badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:3px 11px;font-size:11.5px;font-weight:600;letter-spacing:.2px}
.badge.gold{background:rgba(182,154,107,.14);color:#8a713f}
.badge.green{background:rgba(78,122,98,.13);color:var(--green)}
.badge.rose{background:rgba(185,132,120,.16);color:#9c5f50}
.badge.gray{background:#EFEAE1;color:#7a7468}
.badge.ink{background:var(--ink);color:#fff}
.badge.dot::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}

.kpi{padding:16px 18px;cursor:pointer;transition:transform .12s, box-shadow .12s;position:relative;overflow:hidden}
.kpi:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(39,37,34,.09)}
.kpi .lb{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.kpi .vl{font-size:26px;font-weight:700;margin-top:6px;letter-spacing:-.4px}
.kpi .vl small{font-size:13px;font-weight:600;color:var(--muted);margin-left:2px}
.kpi .hint{font-size:11px;color:var(--gold);margin-top:5px;font-weight:600}
.kpi::after{content:'';position:absolute;right:-18px;top:-18px;width:70px;height:70px;border-radius:50%;background:rgba(182,154,107,.08)}

.sec-title{display:flex;align-items:center;gap:10px;margin:26px 0 12px}
.sec-title h2{font-size:15px;font-weight:700}
.sec-title .note{font-size:12px;color:var(--muted)}
.sec-title .grow{flex:1}

table.tb{width:100%;border-collapse:collapse;font-size:13px}
table.tb th{background:var(--ink);color:#EDE8DF;text-align:left;padding:9px 14px;font-weight:600;font-size:12px;letter-spacing:.3px;white-space:nowrap}
table.tb th:first-child{border-radius:10px 0 0 10px}
table.tb th:last-child{border-radius:0 10px 10px 0}
table.tb td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
table.tb tr:nth-child(even) td{background:#FBF8F3}
table.tb tr.click{cursor:pointer}
table.tb tr.click:hover td{background:var(--beige)}
.money{font-variant-numeric:tabular-nums;font-weight:600}

.chips{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.chip{border:1px solid #CDC5B6;background:#fff;border-radius:999px;padding:6px 14px;font-size:12.5px;cursor:pointer;color:#6d675d;font-weight:600}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
select.chip{appearance:none;padding-right:26px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236d675d' fill='none' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 10px center}

/* funnel */
.funnel{display:flex;gap:6px;align-items:flex-end;height:120px;padding:6px 4px 0}
.funnel .fcol{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer}
.funnel .fbar{width:100%;background:linear-gradient(180deg,#C9AF83,var(--gold));border-radius:8px 8px 4px 4px;min-height:8px;transition:filter .15s}
.funnel .fcol:hover .fbar{filter:brightness(1.08)}
.funnel .fnum{font-size:13px;font-weight:700}
.funnel .flb{font-size:10.5px;color:var(--muted);text-align:center;line-height:1.25}

/* todo */
.todo-group{margin-bottom:4px}
.todo-group .tg{font-size:11.5px;font-weight:700;color:var(--gold);letter-spacing:.6px;margin:10px 0 6px}
.todo{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:7px}
.todo.done{opacity:.5}
.todo.done .tx{text-decoration:line-through}
.todo .tx{flex:1;font-size:13px}
.todo .dl{font-size:11px;color:var(--muted);white-space:nowrap}

/* ===== inbox ===== */
.inbox{display:grid;grid-template-columns:280px minmax(0,1fr) 320px;gap:14px;height:calc(100vh - 170px);min-height:520px}
.conv-list{overflow-y:auto}
.conv{display:flex;gap:11px;padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer;position:relative}
.conv:hover{background:var(--beige)}
.conv.active{background:var(--beige);box-shadow:inset 3px 0 0 var(--gold)}
.conv .av{width:38px;height:38px;border-radius:50%;background:var(--beige);display:grid;place-items:center;font-weight:700;color:#7d6a48;flex:none;border:1px solid var(--line)}
.conv .cinfo{flex:1;min-width:0}
.conv .cn{font-weight:600;font-size:13.5px;display:flex;align-items:center;gap:6px}
.conv .cp{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.conv .ct{font-size:10.5px;color:var(--muted);white-space:nowrap}
.chdot{width:8px;height:8px;border-radius:50%;display:inline-block}
.hot{background:var(--rose);color:#fff;border-radius:6px;font-size:9.5px;font-weight:800;padding:1px 6px;letter-spacing:.5px}
.unread{position:absolute;right:12px;bottom:12px;background:var(--rose);color:#fff;font-size:10px;border-radius:999px;min-width:17px;height:17px;display:grid;place-items:center;padding:0 4px}

.thread{display:flex;flex-direction:column;min-width:0}
.thread-head{padding:13px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.thread-body{flex:1;overflow-y:auto;padding:18px;background:#FBF8F3;display:flex;flex-direction:column;gap:10px}
.msg{max-width:72%;padding:9px 13px;border-radius:14px;font-size:13px;position:relative}
.msg.in{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:5px}
.msg.out{background:var(--gold);color:#fff;align-self:flex-end;border-bottom-right-radius:5px}
.msg .mt{display:block;font-size:10px;opacity:.65;margin-top:4px}
.thread-input{display:flex;gap:9px;padding:12px 14px;border-top:1px solid var(--line)}
.thread-input input{flex:1;border:1px solid var(--line);border-radius:10px;padding:9px 13px;font-family:inherit;font-size:13px;outline:0;background:#fff}
.thread-input input:focus{border-color:var(--gold)}

.ai-panel{overflow-y:auto;padding:16px}
.ai-panel h3{font-size:12px;letter-spacing:.8px;color:var(--gold);font-weight:700;margin:14px 0 8px;display:flex;align-items:center;gap:6px}
.ai-panel h3:first-child{margin-top:0}
.ai-row{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;padding:5px 0;border-bottom:1px dashed var(--line)}
.ai-row .k{color:var(--muted)}
.ai-sum li{font-size:12.5px;margin:0 0 5px 16px;color:#4d483f}
.ai-reply{background:var(--beige);border-radius:12px;padding:11px 13px;font-size:12.5px;color:#54503f;border:1px dashed #D2C6AC}
.dup-warn{background:rgba(185,132,120,.12);border:1px solid rgba(185,132,120,.4);color:#8d5546;border-radius:12px;padding:10px 12px;font-size:12px;margin-bottom:12px}

/* ===== kanban ===== */
.kanban{display:grid;grid-template-columns:repeat(6,minmax(196px,1fr));gap:12px;overflow-x:auto;align-items:start;padding-bottom:10px}
.kcol{background:var(--beige);border:1px solid #E2DACB;border-radius:16px;padding:11px;min-height:220px}
.kcol.dragover{outline:2px dashed var(--gold);outline-offset:-4px}
.kcol .kh{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;font-weight:700;padding:2px 4px 10px}
.kcol .kh .cnt{background:#fff;border-radius:999px;padding:1px 9px;font-size:11px;color:var(--muted)}
.kcard{background:#fff;border:1px solid var(--line);border-radius:13px;padding:11px 12px;margin-bottom:9px;cursor:grab;box-shadow:0 1px 2px rgba(39,37,34,.04)}
.kcard:active{cursor:grabbing}
.kcard.dragging{opacity:.45}
.kcard .kn{font-weight:700;font-size:13.5px;display:flex;justify-content:space-between;align-items:center;gap:6px}
.kcard .kc{font-size:12px;color:#6d675d;margin-top:3px}
.kcard .km{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px;align-items:center}
.kcard .kt{font-size:10.5px;color:var(--muted);margin-top:7px}

/* ===== student detail ===== */
.stu-head{display:flex;gap:18px;align-items:center;padding:20px 22px}
.stu-head .av{width:64px;height:64px;border-radius:20px;background:var(--gold);color:#fff;display:grid;place-items:center;font-size:24px;font-weight:700}
.stu-head .meta{flex:1}
.stu-head h2{font-size:19px}
.stu-head .sub{font-size:12.5px;color:var(--muted);margin-top:3px}
.nba{background:linear-gradient(90deg,rgba(182,154,107,.14),rgba(182,154,107,.04));border:1px solid rgba(182,154,107,.4);border-radius:14px;padding:12px 16px;display:flex;align-items:center;gap:12px;margin:0 0 16px}
.nba .t{font-size:11px;font-weight:800;letter-spacing:.8px;color:var(--gold);white-space:nowrap}
.nba .x{font-size:13px;flex:1}

.journey{display:flex;align-items:flex-start;overflow-x:auto;padding:22px 8px 12px;gap:0}
.jstep{display:flex;flex-direction:column;align-items:center;min-width:118px;position:relative;text-align:center}
.jstep::before{content:'';position:absolute;top:13px;left:-50%;width:100%;height:2px;background:#D8D0C1;z-index:0}
.jstep:first-child::before{display:none}
.jstep.done::before{background:var(--gold)}
.jstep .jd{width:26px;height:26px;border-radius:50%;background:#fff;border:2px solid #D8D0C1;z-index:1;display:grid;place-items:center;font-size:12px;color:#B9B1A2}
.jstep.done .jd{background:var(--gold);border-color:var(--gold);color:#fff}
.jstep.now .jd{background:#fff;border-color:var(--gold);color:var(--gold);box-shadow:0 0 0 4px rgba(182,154,107,.18)}
.jstep .jl{font-size:11.5px;font-weight:700;margin-top:8px}
.jstep .jt{font-size:10.5px;color:var(--muted);margin-top:2px;line-height:1.35}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto;padding:0 6px}
.tabs button{border:0;background:none;padding:11px 14px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.active{color:var(--ink);border-bottom-color:var(--gold)}
.tabpane{padding:18px 20px}

.kv{display:grid;grid-template-columns:110px 1fr;gap:7px 14px;font-size:13px}
.kv .k{color:var(--muted)}

.pf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pf{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.pf .ph{height:110px;background:linear-gradient(135deg,#EDE4D3,#DCCFB6);display:grid;place-items:center;color:#9a8a68;font-size:26px}
.pf .pi{padding:10px 12px}
.pf .pt{font-size:12.5px;font-weight:600}
.pf .pn{font-size:11px;color:var(--muted);margin-top:2px}

/* capacity bar */
.capbar{height:8px;border-radius:999px;background:#E7DFD0;overflow:hidden}
.capbar>i{display:block;height:100%;background:var(--gold);border-radius:999px}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(39,37,34,.4);display:grid;place-items:center;z-index:90;padding:20px}
.modal{background:#fff;border-radius:20px;max-width:460px;width:100%;padding:22px 24px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal h3{font-size:16px;margin-bottom:6px}
.modal .ms{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.modal .kv{margin-bottom:14px}
.modal .row{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}
.modal label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}
.modal input,.modal select,.modal textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-family:inherit;font-size:13px;outline:0;background:#fff}
.modal input:focus,.modal textarea:focus{border-color:var(--gold)}

/* toast */
#toasts{position:fixed;right:22px;bottom:22px;z-index:99;display:flex;flex-direction:column;gap:9px}
.toast{background:var(--ink);color:#fff;border-radius:12px;padding:11px 16px;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.25);display:flex;align-items:center;gap:9px;animation:tin .25s ease}
.toast.ok::before{content:'✓';color:#9CCDB2;font-weight:800}
.toast.warn::before{content:'!';color:#E8B7A9;font-weight:800}
@keyframes tin{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}

.empty{padding:34px;text-align:center;color:var(--muted);font-size:13px}
.mt14{margin-top:14px}.mt20{margin-top:20px}.mb10{margin-bottom:10px}
.small{font-size:12px;color:var(--muted)}
.right{text-align:right}

@media(max-width:1080px){
  .sidebar{width:64px}
  .sidebar .brand .logo,.sidebar .brand .sub,.nav a span,.nav .sep,.side-foot{display:none}
  .nav a{justify-content:center}
  .main{margin-left:64px}
  .inbox{grid-template-columns:1fr;height:auto}
  .ai-panel{max-height:none}
  .pf-grid{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}