/* =================================================================
   Atlas Business Systems — shared demo stylesheet
   Premium dark navy components for all demo pages.
   Legacy classes (demo-bar, wrap, panel, cols-*, stat, output…) are
   preserved so the restaurant & AI demos keep working.
   ================================================================= */
:root {
  --bg: #0a1120; --bg-alt: #0e1830; --surface: #131f3a; --surface-2: #1a2950;
  --border: #243352; --border-soft: #1b2845;
  --text: #eef2f9; --text-muted: #9db0cd;
  --accent: #4f8cff; --accent-2: #6ea0ff; --accent-strong: #3a78f0; --accent-soft: rgba(79,140,255,0.12);
  --green: #36c08a; --amber: #e0a73a; --red: #ef6b6b; --purple: #9b7bff;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 16px; --radius-sm: 11px; --maxw: 1160px;
  --shadow-sm: 0 8px 24px rgba(0,0,0,0.3);
  --transition: 0.22s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.18; font-weight: 700; letter-spacing: -0.02em; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.94rem; cursor: pointer; border: 1px solid transparent;
  font-family: inherit;
  /* default look = primary, so bare `.btn` buttons stay styled */
  background: linear-gradient(135deg, var(--accent-2), var(--accent-strong)); color: #fff;
  box-shadow: 0 8px 22px rgba(58,120,240,0.32);
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--accent-2), var(--accent-strong)); color: #fff; box-shadow: 0 8px 22px rgba(58,120,240,0.32); }
.btn-primary:hover { box-shadow: 0 12px 30px rgba(58,120,240,0.42); }
.btn-ghost { background: rgba(255,255,255,0.02); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: #fff; }
.btn-small { padding: 10px 18px; font-size: 0.88rem; }

/* ---------- Premium top nav (new demo pages) ---------- */
.demo-topnav { position: sticky; top: 0; z-index: 50; background: rgba(10,17,32,0.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-soft); }
.demo-topnav .inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark-atlas-a { flex-shrink: 0; display: block; filter: drop-shadow(0 10px 24px rgba(59,130,246,0.28)); transition: transform 0.2s ease, filter 0.2s ease; }
.brand:hover .brand-mark-atlas-a { filter: drop-shadow(0 12px 30px rgba(96,165,250,0.42)); transform: translateY(-1px); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { color: #F8FAFC; font-size: 1rem; font-weight: 800; letter-spacing: -0.02em; }
.brand-subtitle { margin-top: 5px; color: #8EA4C8; font-size: 0.62rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.22em; }
.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-back { color: var(--text-muted); font-size: 0.92rem; font-weight: 500; transition: color var(--transition); }
.nav-back:hover { color: var(--text); }

/* ---------- Intro ---------- */
.demo-intro { padding: 56px 0 8px; background: radial-gradient(700px 360px at 80% 0%, rgba(79,140,255,0.12), transparent 62%), var(--bg); }
.demo-intro h1 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin-bottom: 14px; }
.demo-intro p { color: var(--text-muted); font-size: 1.06rem; max-width: 720px; }
.demo-badge { display: inline-block; background: var(--accent-soft); color: var(--accent-2); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; margin-bottom: 16px; }
.demo-meta { margin-top: 18px; display: flex; align-items: center; gap: 9px; color: var(--text-muted); font-size: 0.9rem; }
.live-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(54,192,138,0.16); }

/* ---------- Sections ---------- */
.dash-section { padding: 36px 0; }
.dash-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.dash-section-head h2 { font-size: 1.25rem; }
.dash-section-head .hint { color: var(--text-muted); font-size: 0.86rem; }

/* ---------- Summary cards ---------- */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; }
.summary-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); }
.summary-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-sm); }
.summary-label { display: block; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 10px; }
.summary-num { font-size: 1.7rem; font-weight: 700; color: #fff; }
.summary-sub { display: block; margin-top: 6px; font-size: 0.78rem; color: var(--text-muted); }
.summary-sub.up { color: var(--green); }
.summary-sub.down { color: var(--red); }

/* ---------- Status grid (rooms / fleet / chairs / listings) ---------- */
.status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.status-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: flex; align-items: center; gap: 14px; transition: transform var(--transition), border-color var(--transition); }
.status-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.status-dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.status-dot.green { background: var(--green); box-shadow: 0 0 0 4px rgba(54,192,138,0.14); }
.status-dot.blue { background: var(--accent); box-shadow: 0 0 0 4px rgba(79,140,255,0.14); }
.status-dot.amber { background: var(--amber); box-shadow: 0 0 0 4px rgba(224,167,58,0.14); }
.status-dot.red { background: var(--red); box-shadow: 0 0 0 4px rgba(239,107,107,0.14); }
.status-dot.purple { background: var(--purple); box-shadow: 0 0 0 4px rgba(155,123,255,0.14); }
.status-num { font-size: 1.6rem; font-weight: 700; color: #fff; }
.status-label { font-size: 0.84rem; color: var(--text-muted); }

/* ---------- Panels & layout ---------- */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.two-col { display: grid; grid-template-columns: 1.55fr 1fr; gap: 20px; }
.two-col-even { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 520px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-muted); font-weight: 600; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; }
tbody tr { transition: background var(--transition); }
tbody tr:hover { background: rgba(255,255,255,0.02); }
tbody tr:last-child td { border-bottom: none; }
.guest-name { color: #fff; font-weight: 600; }

/* ---------- Pills (status badges) ---------- */
.pill { display: inline-block; padding: 4px 11px; border-radius: 999px; font-size: 0.76rem; font-weight: 600; }
.pill.green, .pill.confirmed, .pill.available, .pill.ok { background: rgba(54,192,138,0.15); color: var(--green); }
.pill.blue, .pill.checkedin, .pill.rented, .pill.in { background: rgba(79,140,255,0.15); color: var(--accent); }
.pill.amber, .pill.pending, .pill.cleaning, .pill.wait { background: rgba(224,167,58,0.15); color: var(--amber); }
.pill.red, .pill.awaiting, .pill.maintenance { background: rgba(239,107,107,0.15); color: var(--red); }
.pill.purple, .pill.offer { background: rgba(155,123,255,0.15); color: var(--purple); }

/* ---------- Activity ---------- */
.activity { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.activity li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.92rem; }
.activity .a-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 7px; flex: none; }
.a-dot.ok, .a-dot.green { background: var(--green); } .a-dot.in, .a-dot.blue { background: var(--accent); } .a-dot.wait, .a-dot.amber { background: var(--amber); } .a-dot.red { background: var(--red); }
.activity .a-time { display: block; color: var(--text-muted); font-size: 0.78rem; margin-top: 2px; }

/* ---------- Forms ---------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 11px 13px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-family: inherit; font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ---------- Report / output card ---------- */
.report-card { background: linear-gradient(180deg, var(--surface), #101a33); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.report-card h2 { font-size: 1.25rem; margin-bottom: 14px; }
.report-card p { color: var(--text-muted); margin-bottom: 22px; max-width: 760px; }
.report-status { margin-top: 16px; font-size: 0.9rem; color: var(--accent-2); min-height: 1.2em; }
.output { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px; min-height: 120px; white-space: pre-wrap; font-size: 0.95rem; }

/* ---------- Bottom CTA ---------- */
.demo-cta { background: radial-gradient(700px 320px at 50% 0%, rgba(79,140,255,0.18), transparent 65%), var(--bg-alt); border-top: 1px solid var(--border-soft); margin-top: 24px; padding: 72px 0; text-align: center; }
.demo-cta h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 14px; }
.demo-cta p { color: var(--text-muted); font-size: 1.04rem; max-width: 640px; margin: 0 auto 26px; }

/* ---------- Footer ---------- */
.demo-footer { border-top: 1px solid var(--border-soft); background: var(--bg-alt); padding: 32px 0; }
.demo-footer .inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; color: var(--text-muted); font-size: 0.88rem; }
.demo-footer a { color: var(--accent-2); }

/* ---------- Helpers ---------- */
.muted { color: var(--text-muted); }
.mt { margin-top: 28px; }

/* =================================================================
   LEGACY classes (restaurant & AI message demos)
   ================================================================= */
.demo-bar { background: rgba(10,17,32,0.9); border-bottom: 1px solid var(--border); padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; backdrop-filter: blur(8px); z-index: 10; }
.demo-bar .back { font-size: 0.9rem; color: var(--accent-2); }
.wrap { max-width: 1000px; margin: 0 auto; padding: 32px 24px 64px; }
.demo-head h1 { font-size: 1.8rem; letter-spacing: -0.02em; margin-bottom: 8px; }
.demo-head p { color: var(--text-muted); margin-bottom: 28px; max-width: 640px; }
.grid { display: grid; gap: 18px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.stat { font-size: 1.9rem; font-weight: 700; }
.stat-label { color: var(--text-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.section-title { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin: 28px 0 12px; }

/* =================================================================
   RESPONSIVE
   ================================================================= */
@media (max-width: 760px) {
  .two-col, .two-col-even, .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .brand-subtitle { display: none; }
  .nav-back { display: none; }
  .brand-mark-atlas-a { width: 38px; height: 38px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }