:root{
  --bg:#f6f8fc;
  --surface:#ffffff;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --brand:#4f46e5;
  --brand-600:#4338ca;
  --brand-soft:#eef2ff;
  --green:#10b981;
  --green-soft:#ecfdf5;
  --red:#ef4444;
  --red-soft:#fef2f2;
  --amber:#f59e0b;
  --amber-soft:#fffbeb;
  --purple:#8b5cf6;
  --radius:14px;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 4px 18px rgba(15,23,42,.05);
  --shadow-lg:0 10px 40px rgba(15,23,42,.12);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
.hidden{display:none!important}
h1,h2,h3,h4{margin:0}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
select{padding-right:32px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center}
textarea{resize:vertical}

/* ---------- 登录页 ---------- */
.login-wrap{min-height:100%;display:grid;place-items:center;background:linear-gradient(135deg,#eef2ff 0%,#f8fafc 50%,#ede9fe 100%);padding:24px}
.login-card{width:420px;max-width:100%;background:var(--surface);border-radius:24px;box-shadow:var(--shadow-lg);padding:42px 36px}
.login-logo{display:flex;align-items:center;gap:14px;margin-bottom:32px}
.login-logo svg{width:46px;height:46px;color:var(--brand)}
.login-logo .title{font-size:22px;font-weight:800;letter-spacing:-.3px;line-height:1.25}
.login-logo .title span{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-top:2px}
.login-card label{display:block;margin:16px 0 6px;color:var(--muted);font-size:13px;font-weight:500}
.login-card input{width:100%;padding:12px 14px}
.login-card button{margin-top:10px;padding:12px}
.login-hint{margin-top:18px;font-size:12px;color:var(--muted);line-height:1.7;background:#f8fafc;border-radius:10px;padding:12px}
.form-error{color:var(--red);font-size:13px;min-height:18px;margin-top:10px;font-weight:500}

/* ---------- 布局 ---------- */
.app-shell{display:flex;height:100%}
.sidebar{width:230px;background:#0f172a;color:#e2e8f0;display:flex;flex-direction:column;flex-shrink:0;transition:width .2s}
.brand{display:flex;align-items:center;gap:10px;padding:20px 18px;font-weight:800;font-size:16px;color:#fff;letter-spacing:-.3px}
.brand svg{width:28px;height:28px;color:var(--brand)}
.sidebar nav{flex:1;overflow:auto;padding:10px 12px}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;color:#94a3b8;text-decoration:none;margin:4px 0;font-size:14px;transition:all .15s}
.sidebar nav a svg{width:20px;height:20px;stroke-width:2;opacity:.85}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar nav a.active{background:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(79,70,229,.35)}
.sidebar nav a.active svg{opacity:1}
.side-foot{padding:14px;border-top:1px solid #1e293b}
#user-info{font-size:12px;color:#94a3b8;margin-bottom:10px;line-height:1.6;padding:0 4px}
#user-info strong{color:#f1f5f9;display:block;font-size:13px}
.content{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 26px;background:var(--surface);border-bottom:1px solid var(--line)}
.topbar h2{font-size:18px;font-weight:700;letter-spacing:-.2px}
.view{flex:1;overflow:auto;padding:24px 26px}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 16px;border-radius:10px;font-size:13px;font-weight:500;transition:all .15s;white-space:nowrap}
.btn:hover{border-color:#cbd5e1;background:#f8fafc}
.btn svg{width:16px;height:16px}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 2px 8px rgba(79,70,229,.25)}
.btn.primary:hover{background:var(--brand-600);border-color:var(--brand-600)}
.btn.ghost{background:transparent;border-color:#334155;color:#cbd5e1}
.btn.ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn.danger{border-color:var(--red);color:var(--red);background:#fff}
.btn.danger:hover{background:var(--red);color:#fff}
.btn.sm{padding:6px 10px;font-size:12px;border-radius:8px}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:18px}
.card h3{margin:0 0 18px;font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.card h3 svg{width:18px;height:18px;color:var(--brand)}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px}
.toolbar .spacer{flex:1}
.toolbar .divider{width:1px;height:22px;background:var(--line);margin:0 4px}

/* ---------- 表格 ---------- */
.table-wrap{border:1px solid var(--line);border-radius:12px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600;background:#f8fafc;position:sticky;top:0;font-size:12px;text-transform:uppercase;letter-spacing:.3px}
tbody tr:hover{background:#f8fafc}
tbody tr:last-child td{border-bottom:none}
.empty{padding:40px;text-align:center;color:var(--muted)}
.empty svg{width:48px;height:48px;color:#cbd5e1;margin-bottom:10px}

.tag{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;background:var(--brand-soft);color:var(--brand)}
.tag.green{background:var(--green-soft);color:#047857}
.tag.red{background:var(--red-soft);color:#b91c1c}
.tag.amber{background:var(--amber-soft);color:#b45309}
.tag.gray{background:#f1f5f9;color:#475569}
.muted{color:var(--muted)}
.right{text-align:right}

/* ---------- 统计卡 ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:flex;align-items:flex-start;gap:14px;transition:transform .15s}
.stat:hover{transform:translateY(-2px)}
.stat .icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand)}
.stat .icon svg{width:22px;height:22px}
.stat .body{flex:1}
.stat .num{font-size:26px;font-weight:800;letter-spacing:-.5px;line-height:1.1}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:6px}
.stat.green .icon{background:var(--green-soft);color:#047857}
.stat.red .icon{background:var(--red-soft);color:#b91c1c}
.stat.amber .icon{background:var(--amber-soft);color:#b45309}
.stat.purple .icon{background:#f3e8ff;color:#7c3aed}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{width:760px;max-width:100%;max-height:92vh;overflow:auto;background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);animation:modalIn .18s ease-out}
@keyframes modalIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.modal-head h3 svg{width:20px;height:20px;color:var(--brand)}
.modal-body{padding:22px}
.modal-foot{padding:16px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.tabs{display:flex;gap:8px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.tabs a{padding:9px 16px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;font-size:14px;font-weight:500;transition:all .15s}
.tabs a:hover{color:var(--ink)}
.tabs a.active{color:var(--brand);border-bottom-color:var(--brand);background:var(--brand-soft);border-radius:8px 8px 0 0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid label{display:block;font-size:13px;color:var(--muted);font-weight:500}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;margin-top:6px}
.form-grid .full{grid-column:1/-1}
.fam-row{display:grid;grid-template-columns:1fr 1fr 1fr 1fr auto;gap:10px;align-items:center;margin-bottom:10px;padding:12px;background:#f8fafc;border-radius:10px}
.fam-row input{border-color:#e2e8f0}

/* ---------- toast / pagination ---------- */
.toast{position:fixed;top:20px;right:20px;background:#0f172a;color:#fff;padding:13px 20px;border-radius:12px;z-index:99;box-shadow:var(--shadow-lg);font-size:13px;font-weight:500;display:flex;align-items:center;gap:10px}
.toast.err{background:var(--red)}
.toast.ok{background:var(--green)}
.toast svg{width:18px;height:18px}
.pagination{display:flex;gap:10px;align-items:center;margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.chart-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.chart-card{background:#fafbfe;border-radius:12px;padding:14px;margin-top:10px}
@media(max-width:900px){.chart-row{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.sidebar{width:64px}.brand span,.sidebar nav a span,#user-info strong{display:none}.sidebar nav a{justify-content:center;padding:12px}.fam-row{grid-template-columns:1fr 1fr}}

/* ===== V2 新视图 ===== */
.room-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.room-card { background: #fff; border: 1px solid var(--line, #e2e8f0); border-radius: 14px; padding: 14px; box-shadow: 0 1px 3px rgba(15,23,42,.05); }
.room-card.occupied { border-left: 4px solid #4f46e5; }
.room-card.free { border-left: 4px solid #10b981; }
.room-card.reserved { border-left: 4px solid #f59e0b; }
.room-card.maintenance { border-left: 4px solid #ef4444; }
.room-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.room-card .beds { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.bed-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 5px 10px; border-radius: 8px; border: 1px solid #e2e8f0; cursor: pointer; background: #f8fafc; transition: all .15s; }
.bed-chip:hover { transform: translateY(-1px); box-shadow: 0 2px 6px rgba(15,23,42,.1); }
.bed-chip svg { width: 13px; height: 13px; }
.bed-chip.free { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.bed-chip.occupied { background: #eef2ff; border-color: #c7d2fe; color: #3730a3; }
.bed-chip.reserved { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.bed-chip.maintenance { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.bed-chip em { font-style: normal; opacity: .7; }
.funnel { display: flex; gap: 14px; flex-wrap: wrap; }
.funnel-step { flex: 1; min-width: 100px; text-align: center; }
.funnel-step .num { font-size: 22px; font-weight: 700; color: #0f172a; }
.funnel-step .bar { height: 6px; background: #eef2f7; border-radius: 3px; margin-top: 6px; overflow: hidden; }
.funnel-step .bar i { display: block; height: 100%; background: linear-gradient(90deg, #4f46e5, #8b5cf6); border-radius: 3px; }
.cp-row { display: grid; grid-template-columns: 1fr 110px 120px 40px; gap: 8px; margin-bottom: 8px; align-items: center; }
.danger-text { color: #ef4444 !important; }