:root{
    --navy:#0b2345;
    --blue:#0965e5;
    --blue-dark:#0755c8;
    --bg:#f5f7fb;
    --surface:#fff;
    --border:#dfe5ee;
    --muted:#6f7a8c;
    --green:#a9dca5;
    --orange:#ffad67;
    --red:#ef6674;
    --light-blue:#6ba8ee;
}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--navy);background:var(--bg)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}

.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#edf3fb,#f9fbfe)}
.auth-card{width:min(460px,100%);padding:34px;border-radius:20px;background:#fff;box-shadow:0 20px 60px rgba(10,35,69,.14)}
.auth-card h1{margin:0;font-size:34px}
.auth-card>p{color:var(--muted);margin:8px 0 28px}
.install-card{width:min(650px,100%)}

.app-layout{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;padding:24px 14px;background:#fff;border-right:1px solid var(--border);display:flex;flex-direction:column}
.brand{padding:0 8px 26px;font-weight:800;font-size:21px;color:var(--blue)}
.nav{display:grid;gap:4px}
.nav a{padding:11px 12px;border-radius:9px;color:#27364c}
.nav a:hover,.nav a.active{background:#eaf2ff;color:var(--blue);font-weight:700}
.logout-link{margin-top:auto;padding:11px 12px;color:#536176}

.main{min-width:0;padding:20px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.topbar h1{margin:0;font-size:28px}
.topbar p{margin:5px 0 0;color:var(--muted)}
.topbar-actions{display:flex;align-items:center;gap:14px}
.hotel-switch select{min-width:220px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#fff}
.user-box{display:grid;font-size:13px}
.user-box span{color:var(--muted)}

.card,.roomplan-card{background:#fff;border:1px solid var(--border);border-radius:14px}
.card{padding:20px}
.section{margin-top:18px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px}
.section-head h2,.card h2{margin:0 0 8px}
.section-head p{margin:0;color:var(--muted)}

.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.metric-grid .card span{display:block;color:var(--muted);font-size:14px}
.metric-grid .card strong{display:block;margin-top:9px;font-size:30px}

.content-grid.two{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,.8fr);gap:18px}
.form-grid{display:grid;gap:13px}
.form-grid h2{margin:12px 0 0}
.form-grid label{display:grid;gap:6px;font-weight:700;font-size:14px}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:9px;background:#fff}
.inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 15px;border:0;border-radius:9px;font-weight:700;cursor:pointer}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover{background:var(--blue-dark)}
.btn.secondary{background:#edf3fb;color:var(--navy)}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:22px}

.flash{margin-bottom:14px;padding:12px 14px;border-radius:10px}
.flash.success{background:#e7f6ec;color:#146b35}
.flash.error{background:#fdeaea;color:#9f2020}

table{width:100%;border-collapse:collapse}
th,td{padding:11px;border-bottom:1px solid var(--border);text-align:left}
th{font-size:13px;color:var(--muted)}
.badge{display:inline-block;padding:5px 8px;border-radius:999px;background:#edf3fb;font-size:12px}
.badge.green{background:#e6f6eb;color:#166a38}

.roomplan-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.toolbar-left{display:flex;align-items:center;gap:10px}
.roomplan-card{overflow:auto}
.roomplan-grid{
    min-width:1250px;
    display:grid;
    grid-template-columns:110px 95px repeat(var(--days), minmax(74px,1fr));
}
.rp-header-cell{position:sticky;top:0;z-index:3;background:#fff;border-bottom:1px solid var(--border);border-right:1px solid var(--border);padding:11px 8px}
.rp-day{text-align:center}
.rp-day strong,.rp-day span{display:block}
.rp-day span{margin-top:3px;color:var(--muted);font-size:12px}
.rp-day.today{background:#eef6ff;color:var(--blue)}
.rp-corner{left:0;z-index:5}
.rp-type{left:110px;z-index:5}

.rp-room,.rp-room-type{min-height:58px;padding:10px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff}
.rp-room{position:sticky;left:0;z-index:2;display:flex;align-items:center;gap:8px}
.rp-room-type{position:sticky;left:110px;z-index:2;display:flex;align-items:center;justify-content:space-between;color:#445269}
.rp-room-type small{color:var(--muted)}
.status-dot{width:9px;height:9px;border-radius:50%;background:#36bd75}
.status-dot.maintenance,.status-dot.blocked{background:#ed5b68}

.rp-timeline{grid-column:3 / -1;position:relative;display:grid;grid-template-columns:repeat(var(--days),minmax(74px,1fr));min-height:58px;border-bottom:1px solid var(--border)}
.rp-slot{border-right:1px solid var(--border)}
.rp-slot.today{background:#f0f7ff}
.reservation-bar{position:absolute;top:7px;height:44px;padding:7px 10px;border-radius:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;box-shadow:0 3px 8px rgba(0,0,0,.08)}
.reservation-bar strong,.reservation-bar small{display:block;overflow:hidden;text-overflow:ellipsis}
.reservation-bar strong{font-size:13px}
.reservation-bar small{margin-top:2px;font-size:11px}
.reservation-bar.green{background:var(--green)}
.reservation-bar.orange{background:var(--orange)}
.reservation-bar.blue{background:var(--light-blue)}
.reservation-bar.red{background:var(--red);color:#fff}

.legend{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin:14px 0;color:#4e5a6d;font-size:13px}
.legend span{display:flex;align-items:center;gap:7px}
.legend i{width:13px;height:13px;border-radius:3px}
.legend i.green{background:var(--green)}
.legend i.orange{background:var(--orange)}
.legend i.blue{background:var(--light-blue)}
.legend i.red{background:var(--red)}

@media(max-width:1000px){
    .app-layout{grid-template-columns:1fr}
    .sidebar{position:static;height:auto}
    .nav{grid-template-columns:repeat(3,1fr)}
    .logout-link{margin-top:12px}
    .content-grid.two{grid-template-columns:1fr}
    .metric-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
    .main{padding:12px}
    .topbar{align-items:flex-start;flex-direction:column}
    .topbar-actions{width:100%;align-items:stretch;flex-direction:column}
    .hotel-switch select{width:100%}
    .nav{grid-template-columns:1fr 1fr}
    .metric-grid{grid-template-columns:1fr}
    .inline-fields{grid-template-columns:1fr}
}