:root{
  --bg:#f3f6fb;
  --card:#ffffff;
  --text:#172033;
  --muted:#64748b;
  --line:#e5eaf2;
  --primary:#1f5f8b;
  --primary-2:#2f80c0;
  --primary-3:#e8f3ff;
  --ok:#0f9f6e;
  --danger:#dc2626;
  --warning:#f59e0b;
  --shadow:0 14px 36px rgba(15,23,42,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--bg)}
body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
a{color:var(--primary-2);text-decoration:none}
a:hover{text-decoration:none;color:#155d95}
button,input,select,textarea{font-family:inherit}

/* 前台 */
.public-body{background:
  radial-gradient(circle at 10% -10%, rgba(47,128,192,.18), transparent 32%),
  radial-gradient(circle at 90% 0%, rgba(31,95,139,.14), transparent 30%),
  linear-gradient(180deg,#f8fbff 0%,#f3f6fb 55%,#eef3f8 100%);
}
.public-top{position:sticky;top:0;z-index:10;background:linear-gradient(135deg,#173f5f 0%,#1f5f8b 55%,#3d9ad4 100%);color:#fff;padding:18px 16px;box-shadow:0 10px 26px rgba(15,23,42,.18)}
.public-top::after{content:"";display:block;height:3px;width:72px;border-radius:999px;background:rgba(255,255,255,.65);margin:10px auto 0}
.brand{font-size:20px;font-weight:800;text-align:center;letter-spacing:.04em}
.public-main{max-width:980px;margin:22px auto 64px;padding:0 14px}
.public-footer{text-align:center;color:#94a3b8;font-size:13px;padding:28px 16px}
.notice-card,.day-card,.empty-card,.content-card{background:rgba(255,255,255,.96);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(226,232,240,.9);backdrop-filter:blur(8px)}
.notice-card{padding:22px 20px;margin-bottom:18px;position:relative;overflow:hidden}
.notice-card::before{content:"";position:absolute;left:0;top:0;width:6px;height:100%;background:linear-gradient(180deg,var(--primary-2),#7cc8ff)}
.notice-card h1{font-size:24px;line-height:1.25;margin:0 0 8px;font-weight:850;color:#132238}
.notice-card p{margin:6px 0;color:var(--muted);line-height:1.8;font-size:15px}
.day-card{margin:18px 0;overflow:hidden}
.day-title{padding:15px 18px;background:linear-gradient(90deg,#eaf5ff 0%,#f6fbff 100%);font-weight:800;color:#174c7c;border-bottom:1px solid #dcecff;display:flex;align-items:center;gap:8px}
.day-title::before{content:"";width:9px;height:9px;background:var(--primary-2);border-radius:50%;box-shadow:0 0 0 5px rgba(47,128,192,.12)}
.dish-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;padding:15px 18px;border-bottom:1px solid #f0f3f7;transition:background .18s ease}
.dish-row:hover{background:#fbfdff}
.dish-row:last-child{border-bottom:0}
.dish-name{font-weight:750;font-size:16px;color:#162032;word-break:break-word}
.dish-meta{font-size:12px;color:#94a3b8;margin-top:5px}
.vote-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.vote-btn{border:1px solid #d9e2ec;background:#fff;border-radius:999px;padding:8px 12px;font-size:14px;line-height:1;cursor:pointer;box-shadow:0 3px 10px rgba(15,23,42,.04);transition:transform .12s ease,background .12s ease,border .12s ease}
.vote-btn:hover{background:#f3f8ff;border-color:#b9d8f4;transform:translateY(-1px)}
.vote-btn:disabled{opacity:.48;cursor:not-allowed;transform:none;background:#f8fafc}
.vote-msg{font-size:12px;color:var(--muted);min-width:86px;text-align:right}
.empty-card{padding:34px 24px;text-align:center;color:var(--muted)}
.construct{min-height:340px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(180deg,#ffffff,#f8fbff)}
.construct::before{content:"";width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,#eaf5ff,#cfe8ff);display:block;margin-bottom:14px;box-shadow:0 10px 24px rgba(47,128,192,.16)}
.construct h1{margin:0 0 8px;font-size:26px;color:#132238}

/* 后台 */
.admin-body{background:#edf2f7}
.admin-layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,#0f2a43 0%,#102a43 45%,#0b1d30 100%);color:#e2e8f0;padding:18px 14px;box-shadow:8px 0 30px rgba(15,23,42,.12);position:relative}
.side-title{font-weight:900;font-size:19px;margin:0 0 20px;padding:12px 10px;color:#fff;letter-spacing:.02em}
.side-title::after{content:"JSON 试运营版";display:block;font-size:12px;font-weight:600;color:#9fd1ff;margin-top:5px;letter-spacing:0}
.sidebar nav{display:grid;gap:5px}
.sidebar a{display:block;color:#dbeafe;padding:11px 12px;border-radius:12px;margin:0;transition:background .16s ease,color .16s ease,transform .16s ease}
.sidebar a:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateX(2px)}
.admin-content{padding:20px;min-width:0}
.admin-topbar{min-height:60px;background:#fff;border-radius:18px;margin-bottom:18px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 10px 26px rgba(15,23,42,.06);border:1px solid rgba(226,232,240,.9);gap:12px}
.admin-topbar strong{font-size:19px;color:#132238}
.admin-topbar span{color:var(--muted);font-size:14px}
.content-card{padding:20px;min-height:calc(100vh - 118px)}
.content-card h3{margin:18px 0 10px;color:#132238}
.content-card h3:first-child{margin-top:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:12px 0 18px}
.stat-card,.link-card{background:linear-gradient(180deg,#fff,#f9fbfe);border:1px solid var(--line);border-radius:17px;padding:17px;box-shadow:0 8px 20px rgba(15,23,42,.04)}
.stat-card strong,.link-card strong{display:block;margin-bottom:8px;color:#172033;font-size:15px}
.stat-card p{font-size:24px;font-weight:850;margin:6px 0 0;color:#1f5f8b}
.link-url{display:block;word-break:break-all;color:var(--muted);font-size:13px;margin:8px 0 12px;background:#f1f5f9;border:1px dashed #cbd5e1;padding:8px;border-radius:10px}
.btn,.btn-small{display:inline-flex;align-items:center;justify-content:center;gap:5px;border:0;border-radius:11px;background:linear-gradient(135deg,#2563eb,#1f5f8b);color:#fff!important;padding:10px 15px;cursor:pointer;text-decoration:none;box-shadow:0 7px 16px rgba(37,99,235,.16);transition:transform .12s ease,filter .12s ease,box-shadow .12s ease;font-weight:650}
.btn:hover,.btn-small:hover{filter:brightness(.98);transform:translateY(-1px);box-shadow:0 10px 20px rgba(37,99,235,.2)}
.btn-secondary{background:linear-gradient(135deg,#64748b,#475569)!important}
.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626)!important}
.btn-light{background:#e9eef5!important;color:#1f2937!important;box-shadow:none!important}
.btn-small{padding:7px 11px;font-size:13px;border-radius:10px}
.form-row{margin:13px 0}
.form-row label{display:block;font-weight:700;margin-bottom:7px;color:#334155}
.input,select,textarea{width:100%;border:1px solid #cfd8e3;border-radius:12px;padding:10px 12px;background:#fff;font-size:14px;outline:none;transition:border .15s ease,box-shadow .15s ease}
.input:focus,select:focus,textarea:focus{border-color:#73b8ea;box-shadow:0 0 0 4px rgba(47,128,192,.12)}
select{min-height:42px}
textarea{min-height:110px;resize:vertical}
.inline-form{display:inline-block;margin-left:4px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff;margin-top:12px}
.table{width:100%;border-collapse:collapse;margin:0;background:#fff;min-width:720px}
.table th,.table td{border-bottom:1px solid #edf1f6;padding:11px 12px;text-align:left;vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table th{background:#f7fafe;color:#475569;font-size:13px;white-space:nowrap;font-weight:800}
.table td{font-size:14px}
.table tr:hover td{background:#fcfdff}
.alert{padding:11px 13px;border-radius:13px;margin:12px 0;font-size:14px}
.alert-ok{background:#ecfdf5;color:#047857;border:1px solid #bbf7d0}
.alert-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px;background:
  radial-gradient(circle at 15% 10%,rgba(47,128,192,.18),transparent 32%),
  linear-gradient(135deg,#eef6ff,#f8fafc)}
.login-card{width:100%;max-width:430px;background:rgba(255,255,255,.96);border-radius:24px;padding:28px;box-shadow:0 20px 45px rgba(15,23,42,.14);border:1px solid rgba(226,232,240,.9)}
.login-card h2{margin:0 0 8px;font-size:25px;color:#132238}
.login-card .btn{width:100%;margin-top:8px}
.menu-day{border:1px solid var(--line);border-radius:17px;margin:15px 0;overflow:hidden;background:#fff;box-shadow:0 6px 16px rgba(15,23,42,.035)}
.menu-day h3{margin:0;padding:13px 15px;background:linear-gradient(90deg,#f4f9ff,#fff);color:#174c7c;border-bottom:1px solid #e2edf8}
.menu-list{padding:13px}
.menu-row{display:flex;gap:8px;margin:9px 0;align-items:center}
.menu-row select{flex:1}
.muted{color:var(--muted);font-size:13px;line-height:1.7}
.tag{display:inline-block;background:#e0f2fe;color:#0369a1;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:750}.tag-off{background:#f1f5f9;color:#64748b}
.checkboxes label{display:inline-flex;align-items:center;gap:5px;margin-right:14px;margin-bottom:8px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:999px;padding:6px 10px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:13px 0}

@media(max-width:900px){.admin-layout{grid-template-columns:1fr}.sidebar{position:static;padding:12px}.side-title{margin-bottom:8px}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.admin-content{padding:12px}.content-card{padding:14px}.admin-topbar{border-radius:15px}}
@media(max-width:640px){.public-main{padding:0 12px;margin-top:16px}.brand{font-size:18px}.notice-card h1{font-size:22px}.dish-row{grid-template-columns:1fr;padding:14px}.vote-actions{justify-content:flex-start}.vote-msg{text-align:left;min-width:auto}.admin-topbar{height:auto;align-items:flex-start;flex-direction:column}.sidebar nav{grid-template-columns:1fr}.table{font-size:13px;min-width:640px}.table th,.table td{padding:9px}.menu-row{align-items:stretch}.menu-row .btn-small{white-space:nowrap}}