:root{
    --bg:#f4f6f8;
    --panel:#ffffff;
    --nav:#0b1f33;
    --nav2:#123a4a;
    --gold:#d6b36a;
    --text:#1c2b37;
    --muted:#6d7984;
    --line:#dfe5ea;
    --good:#147a55;
    --bad:#a44040;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.shell{display:flex;min-height:100vh}
.sidebar{width:248px;position:fixed;left:0;top:0;bottom:0;background:linear-gradient(180deg,var(--nav),var(--nav2));padding:25px 18px;color:white}
.brand{font-size:27px;font-weight:800}
.brand-sub{font-size:11px;color:#aec1cd;margin:5px 0 32px}
.nav-label{font-size:10px;text-transform:uppercase;letter-spacing:1.4px;color:#7f9aa9;margin:22px 10px 7px}
.nav-item{display:block;padding:11px 12px;border-radius:8px;margin:3px 0;color:#dce7ed;font-size:14px}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.10);color:#fff}
.main{margin-left:248px;width:calc(100% - 248px)}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);padding:0 30px;display:flex;align-items:center;justify-content:space-between}
.top-title{font-size:17px;font-weight:700}
.top-admin{font-size:13px;color:var(--muted)}
.content{padding:29px 30px 50px}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
h1{font-size:25px;margin:0 0 4px}
h2{font-size:18px}
.muted{color:var(--muted)}
.btn{border:0;border-radius:8px;background:var(--nav2);color:#fff;padding:10px 14px;display:inline-block;font-weight:700;font-size:13px;cursor:pointer}
.btn.gold{background:var(--gold);color:#1a2832}
.btn.light{background:#edf2f5;color:#293c49}
.btn.danger{background:#f6e7e7;color:#9e3939}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat,.card,.form-card{background:#fff;border:1px solid var(--line);border-radius:11px}
.stat{padding:20px}
.stat .label{font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:var(--muted)}
.stat .value{font-size:31px;font-weight:800;margin-top:7px}
.card{padding:18px;margin-top:18px}
.form-card{padding:24px;max-width:950px}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{text-align:left;padding:13px 12px;border-bottom:1px solid #e7edf1;font-size:13px;vertical-align:middle}
th{font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:#687580;background:#fafbfc}
.status{display:inline-block;border-radius:30px;padding:4px 8px;font-size:11px;font-weight:800}
.status.on{background:#e5f5ee;color:var(--good)}
.status.off{background:#f5e8e8;color:var(--bad)}
.toolbar{display:flex;gap:7px;align-items:center}
.search{display:flex;gap:8px;margin-bottom:15px}
.search input{max-width:350px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:#52606b;font-weight:700;margin-bottom:6px}
input,select,textarea{width:100%;border:1px solid #ccd6dd;border-radius:7px;padding:10px 11px;background:#fff;font-size:14px}
textarea{min-height:105px;resize:vertical}
.flash{padding:12px 14px;border-radius:8px;margin-bottom:16px;font-size:13px}
.flash.success{background:#e6f4ee;color:#176847}
.flash.error{background:#f7e9e9;color:#993d3d}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top right,#205364 0,#0b1f33 45%,#071624 100%);padding:20px}
.login-box{width:420px;background:#fff;padding:34px;border-radius:16px;box-shadow:0 28px 70px rgba(0,0,0,.28)}
.login-brand{font-size:32px;font-weight:800;color:#0b1f33}
.login-sub{font-size:13px;color:#75818b;margin:5px 0 26px}
.login-box .btn{width:100%;padding:12px}
.note{padding:12px 14px;background:#f0f4f6;border-radius:8px;font-size:12px;color:#52606b}
@media(max-width:1050px){.grid{grid-template-columns:repeat(2,1fr)}}

.hotel-chip{margin:7px 4px 10px;padding:10px 11px;border:1px solid rgba(255,255,255,.12);border-radius:8px;background:rgba(255,255,255,.06)}
.hotel-chip-code{font-size:9px;letter-spacing:.9px;color:#91adba;text-transform:uppercase}
.hotel-chip-name{font-size:12px;font-weight:700;margin-top:3px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item.disabled{opacity:.55;pointer-events:none}
.top-actions{display:flex;align-items:center;gap:12px}
.top-hotel{font-weight:400;color:#7a8791;margin-left:4px}
.version-badge{font-size:11px;padding:5px 8px;border-radius:20px;background:#edf3f5;color:#385261;font-weight:700}
.workspace-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.kpi-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:10px;padding:17px}
.kpi .klabel{font-size:10px;text-transform:uppercase;letter-spacing:.7px;color:var(--muted)}
.kpi .kvalue{font-size:27px;font-weight:800;margin-top:7px}
.split{display:grid;grid-template-columns:2fr 1fr;gap:18px}
.preview-card{background:linear-gradient(135deg,#0b1f33,#173f50);color:#fff;border-radius:12px;padding:24px;min-height:260px}
.preview-brand{font-size:26px;font-weight:800}
.preview-sub{opacity:.75;margin-top:4px}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
.service-tile{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);padding:15px;border-radius:9px;min-height:78px}
.service-tile strong{display:block}
.service-tile span{font-size:11px;opacity:.7}
.badge{display:inline-block;padding:4px 8px;border-radius:20px;font-size:10px;font-weight:800;background:#edf2f5;color:#4b5d69}
.badge.promo{background:#fff1d9;color:#916514}
.badge.info{background:#e7f0f8;color:#316486}
.badge.service{background:#e9f4ee;color:#267354}
.badge.off{background:#f3e8e8;color:#944343}
.media-thumb{width:78px;height:50px;object-fit:cover;background:#eef2f4;border-radius:5px;border:1px solid #dfe6eb}
.small{font-size:11px}
.code{font-family:Consolas,monospace;font-size:12px;background:#f0f3f5;padding:3px 6px;border-radius:4px}
.callout{padding:14px;border:1px solid #d9e3e9;background:#f8fafb;border-radius:9px;margin-bottom:16px}
.pair-code{font-family:Consolas,monospace;font-size:23px;letter-spacing:3px;font-weight:800}
@media(max-width:1200px){.kpi-grid{grid-template-columns:repeat(3,1fr)}.service-grid{grid-template-columns:repeat(3,1fr)}}

.language-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.lang-tab{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid #dfe5ea;border-radius:8px;padding:9px 12px;font-weight:700;font-size:12px;color:#354957}
.lang-tab span{font-size:9px;color:#85939c;background:#f0f3f5;padding:3px 5px;border-radius:4px}
.lang-tab.active{background:#123a4a;color:#fff;border-color:#123a4a}
.lang-tab.active span{background:rgba(255,255,255,.14);color:#fff}
.progress{width:160px;max-width:100%;height:7px;background:#edf1f3;border-radius:10px;overflow:hidden;display:inline-block;margin-right:8px}
.progress span{display:block;height:100%;background:#2d7a66}