/* Premium Table Booking — Hyderabad Business Summit
   Brand-matched to rajivtalreja.co.in/business-summit-hyd-2:
   GREEN + BLACK + WHITE. Light canvas, near-black text, brand green accent.
   Montserrat headings + Inter body. Responsive: single column on mobile,
   widens with a 2-up guest grid on tablets/desktops/large monitors. */

:root {
  --bg: #f4f7f5;          /* page canvas (soft white) */
  --bg-glow: #e8f7ee;     /* faint green glow at top */
  --surface: #ffffff;     /* cards */
  --field: #ffffff;       /* inputs */
  --field-alt: #f7faf8;

  --text: #0f1419;        /* near-black */
  --heading: #0a0e12;
  --muted: #687482;
  --border: #e4e9ec;      /* light hairline */
  --border-strong: #d3dbe0;

  --green: #22c55e;       /* brand green (accent) */
  --green-deep: #16a34a;  /* CTA / hover (better contrast with white) */
  --green-press: #15803d;
  --green-soft: #e9f9ef;
  --green-ring: rgba(34, 197, 94, 0.22);

  --red: #dc2626;

  /* Back-compat aliases used by inline styles in the HTML */
  --card: var(--surface);
  --bg-soft: var(--field-alt);

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 18px rgba(15, 23, 32, 0.06);
  --shadow-lg: 0 16px 44px rgba(15, 23, 32, 0.10);
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 460px at 50% -120px, var(--bg-glow) 0%, var(--bg) 60%),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Container widens on bigger screens (laptop → external monitor). */
.wrap { max-width: 880px; margin: 0 auto; padding: 48px 20px 96px; }
@media (min-width: 1280px) { .wrap { max-width: 960px; } }

/* ---------- Masthead ---------- */
.masthead { text-align: center; margin-bottom: 30px; }

/* Brand logo on a dark band (the logo wordmark is white + green, so it needs a dark backdrop). */
.brandbar { display: flex; justify-content: center; margin-bottom: 22px; }
.brand-logo {
  height: 92px; width: auto; max-width: 100%;
  background: #0f1419; padding: 18px 30px; border-radius: 16px;
  box-shadow: var(--shadow-lg);
}
@media (max-width: 559px) { .brand-logo { height: 74px; padding: 14px 22px; } }

.eyebrow {
  text-transform: uppercase; letter-spacing: 2.5px; font-size: 1.08rem;
  color: var(--green-deep); font-weight: 700; margin-bottom: 12px;
}
@media (max-width: 559px) { .eyebrow { font-size: 0.95rem; letter-spacing: 2px; } }
.masthead h1 {
  font-family: 'Montserrat', 'Inter', sans-serif;
  font-weight: 800; letter-spacing: -0.5px;
  color: var(--heading);
  font-size: 2.5rem; line-height: 1.05; margin: 0 0 12px;
}
.masthead h1 .accent { color: var(--green-deep); }
.masthead p { color: var(--muted); margin: 0 auto; max-width: 46ch; font-size: 0.97rem; }

/* Price banner pills */
.price-banner { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 22px 0 4px; }
.price-banner .pill {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 9px 18px; font-size: 0.9rem; color: var(--muted);
  box-shadow: var(--shadow);
}
.price-banner .pill strong { color: var(--heading); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px; margin-bottom: 20px;
}
.card h2 {
  font-family: 'Montserrat', 'Inter', sans-serif;
  margin: 0 0 4px; font-size: 1.15rem; font-weight: 700; color: var(--heading);
}
.card .hint { color: var(--muted); font-size: 0.86rem; margin: 0 0 18px; }

/* ---------- Fields ---------- */
.field-row { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 520px) { .field-row.two { grid-template-columns: 1fr 1fr; } }
.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field-row .field { margin-bottom: 0; }
.field label { display: block; font-size: 0.82rem; color: var(--heading); font-weight: 600; margin-bottom: 7px; }
.field input {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--field); border: 1px solid var(--border-strong); color: var(--text);
  font-size: 0.96rem; font-family: inherit; transition: border-color 0.15s, box-shadow 0.15s;
}
.field input::placeholder { color: #9aa6b2; }
.field input:focus {
  outline: none; border-color: var(--green); box-shadow: 0 0 0 3px var(--green-ring);
}
.field input.invalid { border-color: var(--red); }
.field .err { color: var(--red); font-size: 0.74rem; margin-top: 5px; display: none; }
.field .err.show { display: block; }

/* ---------- Guests grid (responsive: 1-up mobile, 2-up desktop) ---------- */
.guests-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 760px) { .guests-grid { grid-template-columns: 1fr 1fr; } }

.guest-card {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--field-alt); padding: 16px 16px 18px; position: relative;
}
.guest-card .guest-head {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;
}
.guest-card .guest-title { display: flex; align-items: center; gap: 9px; font-weight: 700; color: var(--heading); font-size: 0.95rem; }
.guest-card .num {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--green-soft); color: var(--green-deep);
  display: grid; place-items: center; font-size: 0.78rem; font-weight: 700; flex: none;
}
.guest-card .remove {
  border: none; background: transparent; color: var(--muted); cursor: pointer;
  font-size: 1.1rem; line-height: 1; padding: 4px 6px; border-radius: 6px;
}
.guest-card .remove:hover { color: var(--red); background: #fdeaea; }

/* Add Guest button (the bottom control) */
.add-guest {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; margin-top: 16px; padding: 13px 16px;
  border: 1.5px dashed var(--green); border-radius: var(--radius-sm);
  background: var(--green-soft); color: var(--green-deep);
  font-family: inherit; font-weight: 700; font-size: 0.92rem; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.add-guest:hover { background: #ddf6e6; }
.add-guest .plus { font-size: 1.15rem; line-height: 1; }
.add-guest[disabled] { display: none; }
.limit-note { text-align: center; color: var(--muted); font-size: 0.84rem; margin-top: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 16px 20px; border: none; border-radius: var(--radius-sm);
  background: var(--green-deep); color: #fff;
  font-family: 'Montserrat', 'Inter', sans-serif; font-weight: 700; font-size: 1.02rem; letter-spacing: 0.2px;
  cursor: pointer; transition: background 0.15s, transform 0.08s, box-shadow 0.15s;
  box-shadow: 0 10px 24px rgba(22, 163, 74, 0.24);
}
.btn:hover { background: var(--green-press); transform: translateY(-1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }
.btn.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); box-shadow: none; }
.btn.secondary:hover { background: var(--field-alt); }

/* ---------- Notices ---------- */
.notice { padding: 14px 16px; border-radius: var(--radius-sm); font-size: 0.92rem; margin-bottom: 18px; }
.notice.error { background: #fdecec; border: 1px solid #f7c5c5; color: #b42318; }
.notice.info  { background: var(--green-soft); border: 1px solid #bfe9cd; color: var(--green-press); }
.notice.success { background: var(--green-soft); border: 1px solid #bfe9cd; color: var(--green-press); }

/* ---------- State cards ---------- */
.state-card { text-align: center; padding: 48px 24px; }
.state-card .big { font-family: 'Montserrat', 'Inter', sans-serif; font-size: 1.5rem; margin: 12px 0 8px; font-weight: 700; color: var(--heading); }
.state-card .icon { font-size: 2.6rem; }

.center { text-align: center; }
.muted { color: var(--muted); }
.spinner {
  width: 18px; height: 18px; border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hidden { display: none !important; }

/* ---------- Confirmation guest list ---------- */
.guest-list { list-style: none; padding: 0; margin: 18px 0 0; }
.guest-list li {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 13px 15px; background: var(--field-alt); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 8px;
}
.guest-list li .who { font-weight: 600; color: var(--heading); }
.guest-list li .contact { color: var(--muted); font-size: 0.85rem; }
.code-chip {
  display: inline-block; font-family: ui-monospace, Menlo, monospace;
  background: var(--green-soft); border: 1px dashed var(--green-deep); color: var(--green-press);
  padding: 6px 12px; border-radius: 8px; font-size: 1.05rem; letter-spacing: 1px; font-weight: 600;
}

/* ---------- Admin table ---------- */
table.admin { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
table.admin th, table.admin td { text-align: left; padding: 10px 11px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.admin th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--surface); }
table.admin code { color: var(--text); }
.badge { padding: 2px 9px; border-radius: 999px; font-size: 0.72rem; font-weight: 700; }
.badge.PAID { background: var(--green-soft); color: var(--green-press); }
.badge.PENDING { background: #fff4d6; color: #92600a; }
.badge.FAILED { background: #fdecec; color: #b42318; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 14px; box-shadow: var(--shadow); }
.toolbar .stat b { font-size: 1.2rem; color: var(--heading); }
details.row-guests summary { cursor: pointer; color: var(--green-deep); }
details.row-guests ul { margin: 6px 0 0; padding-left: 16px; color: var(--muted); }

@media (max-width: 559px) { .masthead h1 { font-size: 2rem; } .wrap { padding-top: 34px; } }
.admin-wrap { max-width: 1100px; }