/* ===========================================================================
   HMS Front Office — "Lumen" design system
   A premium admin-dashboard look: dark navy sidebar, light topbar, soft gray
   canvas, white panels, gradient KPI cards, indigo (#4F6BED) accent.
   Re-skins the whole app via shared class names — no markup logic changes.
   =========================================================================== */
:root{
  /* Lumen design tokens */
  --bg:#EEF2F8;            /* app canvas */
  --sidebar:#1B2436;       /* dark navy sidebar */
  --sidebar-sub:#8893A7;   /* sidebar muted text */
  --sidebar-item:#AEB7C7;  /* sidebar nav text */
  --sidebar-icon:#7E8A9C;  /* sidebar nav icon */
  --brand:#4F6BED;         /* primary accent (indigo) */
  --brand2:#3A4DD0;        /* darker indigo */
  --brand-soft:#7EA2F5;    /* active icon tint */
  --panel:#FFFFFF;         /* surfaces */
  --line:#E8ECF2;          /* borders */
  --ink:#1E2A3B;           /* primary text */
  --muted:#5B6472;         /* secondary text */
  --faint:#8A93A4;         /* tertiary text */
  --soft:#F3F5F9;          /* inset / chips */
  /* status */
  --ok:#1F9254; --warn:#9A6700; --bad:#C0392B; --info:#2456C7;
  /* gradients */
  --grad-blue:linear-gradient(135deg,#5B8DEF 0%,#3B66DB 100%);
  --grad-orange:linear-gradient(135deg,#FBA94C 0%,#F0852B 100%);
  --grad-purple:linear-gradient(135deg,#A879F4 0%,#7C4DEF 100%);
  --grad-green:linear-gradient(135deg,#46C98B 0%,#27A96B 100%);
  --grad-teal:linear-gradient(135deg,#36CFC9 0%,#18A8A0 100%);
  --grad-red:linear-gradient(135deg,#FB7185 0%,#EF4444 100%);
  --shadow-card:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.04);
  --shadow-kpi:0 8px 20px rgba(16,24,40,.10);
  --radius:14px;
  --font-head:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);font-size:14px;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,.brand-name{font-family:var(--font-head)}

/* ===== layout ===== */
.app{display:grid;grid-template-columns:256px 1fr;min-height:100vh}
.sidebar{background:var(--sidebar);color:var(--sidebar-item);overflow-y:auto;max-height:100vh;position:sticky;top:0;display:flex;flex-direction:column;padding:22px 14px 16px}

/* brand mark */
.brand{display:flex;align-items:center;gap:11px;padding:0 6px 18px;border:0}
.brand .logo{width:38px;height:38px;border-radius:11px;background:var(--grad-blue);display:grid;place-items:center;box-shadow:0 4px 12px rgba(59,102,219,.45);flex-shrink:0}
.brand .logo svg{width:20px;height:20px;color:#fff}
.brand .brand-name{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;line-height:1.05}
.brand .brand-sub{font-size:9px;color:var(--sidebar-sub);letter-spacing:.22em;text-transform:uppercase;margin-top:2px}

/* profile card */
.side-profile{display:flex;align-items:center;gap:11px;padding:12px;background:rgba(255,255,255,.04);border-radius:12px;margin-bottom:18px}
.side-profile .avatar{width:40px;height:40px;border-radius:999px;background:var(--grad-purple);display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
.side-profile .who{min-width:0}
.side-profile .name{color:#fff;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-profile .role{color:var(--sidebar-sub);font-size:11px;display:flex;align-items:center;gap:5px}
.side-profile .dot{width:6px;height:6px;border-radius:999px;background:#46C98B}

/* nav */
.sidebar nav{flex:1}
.navsec{margin-bottom:16px;border:0;padding:0}
.navsec>.navtitle{display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#5C6679;font-weight:700;padding:0 12px 8px}
.navsec>.navtitle .ico{width:13px;height:13px;color:#5C6679;flex-shrink:0}
.navsec a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:10px;margin-bottom:2px;color:var(--sidebar-item);font-size:13px;font-weight:500;border-left:3px solid transparent;transition:all 130ms}
.navsec a .ico{width:15px;height:15px;color:var(--sidebar-icon);flex-shrink:0}
.navsec a:hover{background:rgba(255,255,255,.05);color:#fff;text-decoration:none}
.navsec a.active{background:rgba(91,141,239,.16);color:#fff;border-left-color:var(--brand);font-weight:600}
.navsec a.active .ico{color:var(--brand-soft)}

/* hotel card (sidebar footer) */
.side-hotel{padding:12px 14px;border-radius:12px;background:var(--grad-blue);margin-top:8px}
.side-hotel .h-name{color:#fff;font-size:12.5px;font-weight:700;margin-bottom:2px}
.side-hotel .h-sub{color:rgba(255,255,255,.8);font-size:11px}

/* ===== main column ===== */
.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:18px;background:#fff;border-bottom:1px solid var(--line);padding:0 28px;height:66px;position:sticky;top:0;z-index:20}
.topbar .search{display:flex;align-items:center;gap:9px;background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:0 14px;height:38px;width:320px}
.topbar .search input{border:0;outline:0;background:transparent;padding:0;font-size:13px;width:100%;color:var(--ink)}
.topbar .search input::placeholder{color:var(--faint)}
.topbar .search svg{width:14px;height:14px;color:var(--faint);flex-shrink:0}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:14px;color:var(--muted);font-size:13px}
.topbar .bdate{font-weight:600;color:var(--brand)}
.topbar .vsep{width:1px;height:28px;background:var(--line)}
.topbar .user{display:flex;align-items:center;gap:10px}
.topbar .user .avatar{width:38px;height:38px;border-radius:999px;background:var(--grad-purple);display:grid;place-items:center;color:#fff;font-size:12.5px;font-weight:700}
.topbar .user .uname{font-size:13px;font-weight:600;color:var(--ink);line-height:1.2}
.topbar .user .urole{font-size:11px;color:var(--faint)}

.content{padding:26px 28px 56px;max-width:1440px;width:100%}

/* ===== page header ===== */
h1{font-family:var(--font-head);font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:0 0 7px;color:var(--ink)}
h2{font-size:18px;font-weight:700;margin:0 0 10px}
.crumbs{color:var(--faint);font-size:13px;margin-bottom:22px}
.crumbs .sep{margin:0 7px;color:var(--faint)}

/* ===== cards / panels ===== */
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card)}
.card h3{margin:0 0 14px;font-family:var(--font-head);font-size:14.5px;font-weight:700;color:var(--ink);letter-spacing:0;text-transform:none}

/* plain KPI tiles (light) */
.kpi{display:flex;flex-direction:column;justify-content:center}
.kpi .num{font-family:var(--font-head);font-size:30px;font-weight:800;line-height:1.05;letter-spacing:-.02em}
.kpi .lbl{color:var(--muted);font-size:12px;margin-top:4px}
.kpi.accent{border-top:3px solid var(--brand)}
.kpi.ok{border-top:3px solid var(--ok)}
.kpi.warn{border-top:3px solid var(--warn)}
.kpi.bad{border-top:3px solid var(--bad)}

/* gradient KPI cards (dashboard hero) */
.statcard{border-radius:var(--radius);padding:20px 22px;color:#fff;box-shadow:var(--shadow-kpi);position:relative;overflow:hidden}
.statcard.blue{background:var(--grad-blue)}
.statcard.orange{background:var(--grad-orange)}
.statcard.purple{background:var(--grad-purple)}
.statcard.green{background:var(--grad-green)}
.statcard.teal{background:var(--grad-teal)}
.statcard.red{background:var(--grad-red)}
.statcard .sc-top{display:flex;align-items:center;gap:15px}
.statcard .sc-ico{width:52px;height:52px;border-radius:14px;background:rgba(255,255,255,.20);display:grid;place-items:center;flex-shrink:0}
.statcard .sc-ico svg{width:24px;height:24px;color:#fff}
.statcard .sc-label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;opacity:.92}
.statcard .sc-value{font-family:var(--font-head);font-size:32px;font-weight:800;line-height:1.05;margin-top:3px}
.statcard .sc-foot{margin-top:16px;padding-top:13px;border-top:1px solid rgba(255,255,255,.22);display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:500}

/* ===== tables ===== */
table.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl th{background:var(--soft);color:var(--faint);text-align:left;padding:13px 16px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--line)}
.tbl td{padding:13px 16px;border-top:1px solid var(--line);vertical-align:middle;font-size:13.5px}
.tbl tbody tr:first-child td{border-top:0}
.tbl tr:hover td{background:#FAFBFD}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}

/* ===== badges / pills (Lumen tones) ===== */
.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap;border:1px solid transparent}
.b-EXP,.b-OPEN{background:#E6EEFE;color:#2456C7;border-color:#D2DEFB}
.b-CKI,.b-OCC{background:#E4F6EC;color:#1F9254;border-color:#CDEBD9}
.b-CKO,.b-CLOSED{background:#EEF1F6;color:#5B6472;border-color:#E1E6EE}
.b-CXL,.b-NS,.b-OOO,.b-OOS{background:#FDE7E7;color:#C0392B;border-color:#F7CFCB}
.b-DI{background:#FEF3D9;color:#9A6700;border-color:#F7E5B5}
.b-CL,.b-IN,.b-VAC{background:#E4F6EC;color:#1F9254;border-color:#CDEBD9}
.b-WL{background:#E9EDFD;color:#3A4DD0;border-color:#D7DEFB}

/* ===== forms ===== */
form .row{margin-bottom:14px;display:flex;flex-direction:column;gap:5px}
label{font-size:12px;color:var(--muted);font-weight:600}
input,select,textarea{padding:9px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,107,237,.15)}
.formgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--brand);color:#fff;border:1px solid var(--brand);padding:9px 16px;border-radius:10px;font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;box-shadow:0 2px 6px rgba(79,107,237,.32);white-space:nowrap}
.btn:hover{background:var(--brand2);border-color:var(--brand2);text-decoration:none}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.sec:hover{background:var(--soft)}
.btn.ok{background:#27A96B;border-color:#27A96B;box-shadow:0 2px 6px rgba(39,169,107,.32)}
.btn.bad{background:var(--bad);border-color:var(--bad);box-shadow:0 2px 6px rgba(192,57,43,.3)}
.btn.accent{background:#F0852B;border-color:#F0852B;box-shadow:0 2px 6px rgba(240,133,43,.32)}
.btn.sm{padding:6px 12px;font-size:12px;box-shadow:none}
.actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* ===== messages ===== */
.msg{padding:11px 15px;border-radius:10px;margin-bottom:14px;font-size:13px;font-weight:500;border:1px solid transparent}
.msg.success{background:#E4F6EC;color:#1F9254;border-color:#CDEBD9}
.msg.error{background:#FDE7E7;color:#C0392B;border-color:#F7CFCB}
.msg.warning{background:#FEF3D9;color:#9A6700;border-color:#F7E5B5}
.msg.info{background:#E6EEFE;color:#2456C7;border-color:#D2DEFB}

/* ===== toolbar / tabs ===== */
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.toolbar input[type=search],.toolbar input[type=text]{min-width:240px}
.muted{color:var(--muted)}
.right{text-align:right}
.scaffold{background:#FEF9EC;border:1px solid #F7E5B5;color:#9A6700;padding:14px 16px;border-radius:10px;font-size:13px}
.pill{font-size:11px;background:var(--soft);border:1px solid var(--line);padding:3px 9px;border-radius:999px;color:var(--muted);font-weight:600}
.pill:hover{text-decoration:none;background:#EAEEF4}

/* tab group (pill segmented control) */
.tabs{display:inline-flex;gap:2px;padding:4px;background:#EAEEF4;border:1px solid var(--line);border-radius:11px}
.tabs a,.tabs button{padding:7px 15px;border-radius:8px;background:transparent;border:0;color:var(--muted);font-size:12.5px;font-weight:500;cursor:pointer;font-family:inherit}
.tabs a:hover{text-decoration:none;color:var(--ink)}
.tabs a.active,.tabs button.active{background:#fff;box-shadow:0 1px 3px rgba(16,24,40,.10);color:var(--brand);font-weight:700}

/* ===== login ===== */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--sidebar);background-image:radial-gradient(1200px 600px at 80% -10%,rgba(79,107,237,.45),transparent),radial-gradient(900px 500px at 10% 110%,rgba(124,77,239,.35),transparent)}
.login-card{background:#fff;padding:38px;border-radius:18px;width:380px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.login-brand{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:8px}
.login-brand .logo{width:46px;height:46px;border-radius:13px;background:var(--grad-blue);display:grid;place-items:center;box-shadow:0 6px 16px rgba(59,102,219,.45)}
.login-brand .logo svg{width:24px;height:24px;color:#fff}
.login-card h1{font-size:22px;text-align:center;margin:6px 0 2px}
.login-card .btn{width:100%;justify-content:center;margin-top:8px}

/* availability heatmap cells (kept) */
.avail-cell{padding:4px 6px;text-align:center;border-radius:6px;font-variant-numeric:tabular-nums}
.av-pos{background:#E4F6EC;color:#1F9254}.av-low{background:#FEF3D9;color:#9A6700}.av-zero{background:#FDE7E7;color:#C0392B}

/* responsive: collapse sidebar on narrow screens */
@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .sidebar{display:none}
  .topbar .search{width:auto;flex:1}
}