/* =========================================================
   4MS Staycation Management System — shared styles
   Professional, clean, desktop-first, responsive.
   ========================================================= */
:root{
  --bg:#f4f6fb;
  --surface:#ffffff;
  --ink:#0f172a;
  --ink-soft:#475569;
  --muted:#94a3b8;
  --line:#e5e9f0;
  --brand:#0e4f8b;         /* 4MS deep blue */
  --brand-dark:#0a3a68;
  --brand-soft:#e8f1fb;
  --accent:#0ea5a3;        /* teal accent */
  --good:#16a34a; --good-bg:#e7f6ec;
  --warn:#d97706; --warn-bg:#fdf1e1;
  --bad:#dc2626;  --bad-bg:#fdeaea;
  --info:#2563eb; --info-bg:#e8f0fe;
  --shadow:0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.06);
  --radius:14px;
  --sidebar-w:248px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink); background:var(--bg); font-size:14.5px; line-height:1.5;
}
a{color:var(--brand);text-decoration:none}
.hidden{display:none !important}

/* ---------------- LOGIN ---------------- */
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.auth-hero{
  background:linear-gradient(155deg,var(--brand-dark),var(--brand));
  color:#fff;padding:52px 56px;display:flex;flex-direction:column;justify-content:space-between;
}
.brand-lg{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:46px;height:46px;border-radius:12px;background:#fff;color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:.5px;
}
.auth-hero h1{font-size:30px;line-height:1.2;margin:0 0 12px;font-weight:800}
.auth-hero p{color:rgba(255,255,255,.82);max-width:440px}
.hero-stats{display:flex;gap:28px}
.hero-stats .n{font-size:24px;font-weight:800}
.hero-stats .l{font-size:12px;color:rgba(255,255,255,.7)}
.auth-panel{display:grid;place-items:center;padding:32px}
.auth-card{width:100%;max-width:380px}
.auth-card h2{margin:0 0 4px;font-size:22px}
.auth-card .sub{color:var(--ink-soft);margin:0 0 22px}

/* ---------------- FORMS ---------------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-bottom:6px}
.input,input[type=text],input[type=email],input[type=password],input[type=number],
input[type=date],input[type=tel],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;
  font:inherit;color:var(--ink);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;
}
.input:focus,input:focus,select:focus,textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  padding:10px 16px;border-radius:10px;border:1px solid transparent;font:inherit;font-weight:600;
  background:var(--brand);color:#fff;transition:filter .15s,background .15s;
}
.btn:hover{filter:brightness(1.06)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn.full{width:100%}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:#f8fafc;filter:none}
.btn.danger{background:var(--bad)}
.btn.sm{padding:6px 11px;font-size:13px}
.auth-error{background:var(--bad-bg);color:var(--bad);border:1px solid #f5c2c2;
  padding:10px 12px;border-radius:10px;margin-bottom:14px;font-size:13px}
.auth-note{color:var(--ink-soft);font-size:13px;margin-top:16px;text-align:center}
.link-btn{background:none;border:none;color:var(--brand);cursor:pointer;font:inherit;font-weight:600;padding:0}

/* ---------------- APP SHELL ---------------- */
.shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}
.sidebar{
  background:var(--brand-dark);color:#cdd9e8;display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:18px 18px;color:#fff}
.sidebar .brand .brand-mark{width:38px;height:38px;font-size:15px}
.sidebar .brand .t{font-weight:800;font-size:15px;line-height:1.1}
.sidebar .brand .s{font-size:11px;color:rgba(255,255,255,.55)}
.nav{padding:8px}
.nav a{
  display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;
  color:#cdd9e8;font-weight:500;font-size:13.5px;margin-bottom:2px;
}
.nav a .ic{width:18px;text-align:center;opacity:.9}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav a.active{background:var(--brand);color:#fff;font-weight:600}
.nav .group{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;
  color:rgba(255,255,255,.4);padding:14px 14px 6px}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{
  height:60px;background:var(--surface);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:14px;padding:0 20px;position:sticky;top:0;z-index:20;
}
.topbar .menu-btn{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--ink)}
.topbar .page-title{font-weight:700;font-size:16px}
.topbar .spacer{flex:1}
.userchip{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:13px}
.userchip .nm{font-weight:600;font-size:13px;line-height:1.1}
.userchip .rl{font-size:11px;color:var(--muted)}

.content{padding:22px;max-width:1240px;width:100%}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px;flex-wrap:wrap}
.page-head h1{font-size:20px;margin:0}
.page-head .desc{color:var(--ink-soft);font-size:13px;margin-top:2px}

/* ---------------- CARDS / STATS ---------------- */
.grid{display:grid;gap:16px}
.stat-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow)}
.card .card-h{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;gap:10px}
.card .card-h h3{margin:0;font-size:15px}
.card .card-b{padding:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow)}
.stat .lbl{font-size:12.5px;color:var(--ink-soft);font-weight:600}
.stat .val{font-size:26px;font-weight:800;margin-top:6px}
.stat .sub{font-size:12px;color:var(--muted);margin-top:2px}

/* ---------------- TABLES ---------------- */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:13.5px}
table.data th{
  text-align:left;padding:11px 14px;color:var(--ink-soft);font-weight:600;font-size:12px;
  text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.data td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
table.data tr:hover td{background:#fafbfe}
table.data tr:last-child td{border-bottom:none}

/* ---------------- BADGES ---------------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600}
.badge.good{background:var(--good-bg);color:var(--good)}
.badge.warn{background:var(--warn-bg);color:var(--warn)}
.badge.bad{background:var(--bad-bg);color:var(--bad)}
.badge.info{background:var(--info-bg);color:var(--info)}
.badge.muted{background:#eef2f7;color:var(--ink-soft)}

/* ---------------- MODAL ---------------- */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.45);display:grid;place-items:center;
  z-index:60;padding:20px}
.modal{background:#fff;border-radius:var(--radius);width:100%;max-width:480px;box-shadow:var(--shadow);
  max-height:90vh;overflow:auto}
.modal .m-h{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between}
.modal .m-h h3{margin:0;font-size:16px}
.modal .m-b{padding:20px}
.modal .m-f{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.x-btn{background:none;border:none;font-size:20px;cursor:pointer;color:var(--muted);line-height:1}

/* ---------------- MISC ---------------- */
.empty{text-align:center;color:var(--muted);padding:44px 20px}
.empty .big{font-size:34px;margin-bottom:8px}
.loading{text-align:center;color:var(--muted);padding:34px}
.toast{position:fixed;bottom:22px;right:22px;background:var(--ink);color:#fff;padding:12px 16px;
  border-radius:10px;box-shadow:var(--shadow);z-index:80;font-size:13.5px;max-width:340px}
.toast.good{background:var(--good)} .toast.bad{background:var(--bad)}
.row-actions{display:flex;gap:8px;flex-wrap:wrap}
.help{font-size:12px;color:var(--muted);margin-top:4px}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:29;display:none}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width:900px){
  .auth-wrap{grid-template-columns:1fr}
  .auth-hero{display:none}
}
@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;z-index:30;width:var(--sidebar-w);transform:translateX(-100%);
    transition:transform .2s ease}
  .sidebar.open{transform:translateX(0)}
  .topbar .menu-btn{display:block}
  .scrim.show{display:block}
}