:root{
  --bg:#f4f6fb; --card:#fff; --ink:#0f172a; --ink2:#475569; --muted:#94a3b8; --line:#e6eaf2;
  --pri:#2563eb; --pri2:#1d4ed8; --pri-soft:#eaf1ff; --green:#16a34a; --green-soft:#e8f7ee;
  --red:#dc2626; --warn:#b45309; --warn-soft:#fff6e5; --side:#0b1530; --side2:#15224a;
  --r:14px; --sh:0 1px 2px rgba(15,23,42,.04),0 4px 16px rgba(15,23,42,.05);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);display:flex;min-height:100vh}
a{color:var(--pri);text-decoration:none}
h1{font-size:22px;margin:0;font-weight:700;letter-spacing:-.01em}
h2{font-size:20px;margin:0 0 12px}
h3{font-size:15px;margin:0 0 14px;font-weight:650}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}
hr{border:0;border-top:1px solid var(--line);margin:14px 0}
small{display:block;color:var(--muted);font-size:12px}
.muted{color:var(--ink2)} .small{font-size:12.5px} .center{text-align:center}

/* Sidebar */
.side{width:236px;flex:none;background:linear-gradient(180deg,var(--side),var(--side2));color:#cbd5e1;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:22px 20px;font-weight:700;color:#fff;font-size:16px;display:flex;gap:8px;align-items:center;white-space:nowrap;overflow:hidden}
.brand span{overflow:hidden;text-overflow:ellipsis}
.side nav{display:flex;flex-direction:column;gap:2px;padding:6px 10px;flex:1}
.side nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:#cbd5e1;font-weight:500}
.side nav a i{font-style:normal;width:20px;text-align:center}
.side nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side nav a.on{background:rgba(96,140,255,.18);color:#fff}
.side nav a span{flex:1}
.cnt{background:#ef4444;color:#fff;border-radius:99px;font-size:11px;padding:1px 7px;font-weight:700;min-width:20px;text-align:center}
.side-foot{padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;display:flex;align-items:center;gap:8px}
.logout{margin-left:auto;color:#94a3b8}
.dot{width:8px;height:8px;border-radius:50%;background:#64748b;display:inline-block}
.dot.on{background:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.2)} .dot.off{background:#ef4444}

.main{flex:1;min-width:0;padding:24px 28px 60px;max-width:1280px}
.top{margin-bottom:18px;display:flex;align-items:center;justify-content:space-between}
.crumbs{margin:-8px 0 14px;font-size:13px}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--sh);margin-bottom:16px}
.card.flush{padding:0;overflow:hidden}
.card.hl{border-color:#cfdcff;background:linear-gradient(180deg,#f7f9ff,#fff)}
.card.narrow{max-width:420px}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.card-head h3{margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid2.wide-left{grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr)}
.settings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;align-items:start}
.settings-grid .card{margin:0}
.setup{border-color:#cfdcff;background:linear-gradient(135deg,#eef3ff,#fff)}
.checks{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.check{padding:5px 11px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--ink2);font-size:13px}
.check.ok{background:var(--green-soft);border-color:#bfe7cf;color:var(--green)}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:16px}
.stats.three{grid-template-columns:repeat(3,1fr)}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--sh)}
.stat span{color:var(--ink2);font-size:12.5px;display:block}
.stat b{font-size:26px;font-weight:750;letter-spacing:-.02em;display:block;margin-top:4px}
.stat b.sm{font-size:19px;margin-top:8px}
.stat.accent{background:linear-gradient(135deg,#2563eb,#4f46e5);border:0;color:#fff}
.stat.accent span{color:#dbe4ff}
.stat.green b{color:var(--green)}

.bars{display:flex;align-items:flex-end;gap:6px;height:150px;padding-top:10px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}
.bar i{width:100%;max-width:34px;background:linear-gradient(180deg,#60a5fa,#2563eb);border-radius:6px 6px 2px 2px;min-height:3px;position:relative}
.bar em{position:absolute;top:-18px;left:0;right:0;text-align:center;font-style:normal;font-size:11px;color:var(--ink2);font-weight:600}
.bar small{margin-top:6px}

/* Lists */
.list{display:flex;flex-direction:column}
.li{display:flex;align-items:center;gap:12px;padding:11px 4px;border-bottom:1px solid var(--line);color:var(--ink)}
.card.flush .li{padding:13px 18px}
.li:last-child{border-bottom:0}
.li:hover{background:#f8faff}
.li > div:first-child,.li .grow{flex:1;min-width:0}
.li .r{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex:none}
.clip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#dbeafe,#e0e7ff);color:var(--pri2);display:grid;place-items:center;font-weight:700;flex:none}
.empty{color:var(--muted);text-align:center;padding:28px}

.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600;color:var(--c);background:color-mix(in srgb,var(--c) 12%,#fff);white-space:nowrap}
.tag{display:inline-block;padding:1px 8px;border-radius:6px;font-size:11px;font-weight:600;background:var(--warn-soft);color:var(--warn);margin-left:6px;vertical-align:1px}
.tag.blue{background:var(--pri-soft);color:var(--pri2)} .tag.green{background:var(--green-soft);color:var(--green)}
.green-t{color:var(--green)}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th{text-align:left;font-size:12px;color:var(--ink2);font-weight:600;padding:12px 14px;background:#f8fafc;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.table tbody tr{cursor:pointer} .table tbody tr:hover{background:#f8faff}
.table.logs tr{cursor:default}
.table .num{text-align:right;white-space:nowrap}
.table tr:last-child td{border-bottom:0}
.lvl{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--ink2)} .lvl.error{color:var(--red)}
tr.error td{background:#fff7f7}

/* Toolbar */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.tabs{display:flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px;overflow-x:auto;max-width:100%}
.tabs a{padding:7px 13px;border-radius:9px;color:var(--ink2);font-weight:550;white-space:nowrap;font-size:13px}
.tabs a small{display:inline;margin-left:4px}
.tabs a.on{background:var(--pri-soft);color:var(--pri2)}
.search input{width:260px}
.pager{display:flex;gap:6px;justify-content:center;margin-top:10px}
.pager a{padding:6px 12px;border-radius:8px;background:#fff;border:1px solid var(--line)}
.pager a.on{background:var(--pri);color:#fff;border-color:var(--pri)}

/* Forms */
.form label,label{display:block;font-size:13px;font-weight:550;color:var(--ink2);margin-bottom:12px}
input,select,textarea{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1px solid #d6dce8;border-radius:10px;font:inherit;color:var(--ink);background:#fff;outline:none;transition:border .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
textarea{resize:vertical}
.hint{margin:-8px 0 12px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label.inline{display:flex;align-items:center;gap:6px;margin:0;font-weight:500}
label.inline input{width:auto;margin:0}
.form label.switch,label.switch{display:flex;align-items:center;gap:10px;cursor:pointer;color:var(--ink);font-weight:550}
.switch input{display:none}
.switch i{width:40px;height:23px;border-radius:99px;background:#cbd5e1;position:relative;transition:.2s;flex:none}
.switch i::after{content:"";position:absolute;width:17px;height:17px;border-radius:50%;background:#fff;top:3px;left:3px;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked + i{background:var(--green)}
.switch input:checked + i::after{left:20px}
.copy{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.copy span{width:110px;font-size:12.5px;color:var(--ink2);flex:none}
.copy input{margin:0;font-family:ui-monospace,Menlo,monospace;font-size:12.5px;background:#fff}
.sticky-save{position:sticky;bottom:12px;display:flex;justify-content:flex-end;margin:-4px 0 16px;z-index:5}
.sticky-save .btn{box-shadow:0 8px 24px rgba(37,99,235,.35);padding:12px 26px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:10px;border:1px solid #d6dce8;background:#fff;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;transition:.15s;white-space:nowrap}
.btn:hover{border-color:#b8c3d9;background:#f8fafc}
.btn.primary{background:var(--pri);border-color:var(--pri);color:#fff}
.btn.primary:hover{background:var(--pri2)}
.btn.danger{color:var(--red);border-color:#f3c4c4}
.btn.sm{padding:6px 11px;font-size:12.5px}
.btn.block{display:flex;width:100%}
.btns{display:flex;flex-wrap:wrap;gap:8px}

.alert{padding:11px 14px;border-radius:10px;margin-bottom:14px;background:var(--green-soft);color:#166534;border:1px solid #bfe7cf;font-weight:500}
.alert.error{background:#fef2f2;color:#991b1b;border-color:#fbd0d0}
.alert.warn{background:var(--warn-soft);color:var(--warn);border-color:#fde3b0}

/* Booking */
.slice{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px}
.slice-h{font-weight:650;margin-bottom:8px;display:flex;gap:8px;align-items:baseline}
.slice-h small{display:inline}
.seg{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:6px 0}
.seg b{font-size:19px;display:block} .seg span{font-weight:600;color:var(--ink2)}
.seg .r{text-align:right}
.seg-line{border-top:2px dashed #cbd5e1;position:relative;text-align:center}
.seg-line small{position:relative;top:-11px;background:#fff;display:inline-block;padding:0 8px}
.kv{display:grid;grid-template-columns:140px 1fr;gap:8px 12px;margin:14px 0 0}
.kv dt{color:var(--ink2);font-size:13px} .kv dd{margin:0;word-break:break-all}

/* Chat */
.chat-card{display:flex;flex-direction:column;padding:0;overflow:hidden}
.chat-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);gap:10px;flex-wrap:wrap}
.msgs{height:56vh;min-height:360px;overflow-y:auto;padding:18px;background:#efeae2 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Ccircle cx='2' cy='2' r='1' fill='%23d9d2c5'/%3E%3C/svg%3E");display:flex;flex-direction:column;gap:6px}
.msg{max-width:78%;padding:7px 11px 18px;border-radius:10px;position:relative;box-shadow:0 1px 1px rgba(0,0,0,.08);background:#fff;align-self:flex-start;word-wrap:break-word;min-width:90px}
.msg.bot,.msg.admin{align-self:flex-end;background:#d9fdd3}
.msg.admin{background:#dbeafe}
.msg.system{align-self:center;background:#fff8d6;font-size:12.5px;padding:5px 12px;box-shadow:none}
.msg.system time{display:none}
.msg em{display:block;font-style:normal;font-size:11px;font-weight:700;color:#0f766e;margin-bottom:2px}
.msg.admin em{color:var(--pri2)}
.msg time{position:absolute;right:9px;bottom:3px;font-size:10.5px;color:#8696a0}
.composer{border-top:1px solid var(--line);padding:12px 14px;background:#fff}
.composer textarea{margin:0 0 8px}
.composer-foot{display:flex;justify-content:space-between;align-items:center}
.chat-card .alert{margin:10px 14px 0}

/* Auth */
body.auth{align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 10% -10%,#dbe6ff,transparent),radial-gradient(900px 500px at 110% 110%,#e3dcff,transparent),var(--bg);padding:20px}
.auth-card{background:#fff;border-radius:18px;padding:30px;width:100%;max-width:380px;box-shadow:0 20px 60px rgba(15,23,42,.12);border:1px solid var(--line)}
.auth-card.wide{max-width:520px}
.auth-card h3{margin-top:18px}
.brand-lg{font-size:22px;font-weight:800;text-align:center;margin-bottom:4px}

/* Mobile */
@media (max-width: 900px){
  body{flex-direction:column}
  .side{width:100%;height:auto;position:sticky;top:0;z-index:20;flex-direction:row;align-items:center}
  .brand{padding:12px 14px} .brand span{display:none}
  .side nav{flex-direction:row;overflow-x:auto;padding:6px;gap:2px}
  .side nav a{padding:8px 10px;gap:6px} .side nav a span{display:none}
  .side-foot{display:none}
  .main{padding:16px 16px 60px}
  .stats{grid-template-columns:1fr 1fr} .stats.three{grid-template-columns:1fr 1fr 1fr}
  .grid2,.grid2.wide-left{grid-template-columns:1fr}
  .settings-grid{grid-template-columns:1fr}
  .search input{width:100%} .search{flex:1}
  .card.flush{overflow-x:auto}
  .table{min-width:760px}
  .msg{max-width:90%}
  .kv{grid-template-columns:110px 1fr}
  .copy{flex-direction:column;align-items:stretch;gap:2px}
}