/* =========================================================
   Lil'Sago — Trang Đặt bàn (mô phỏng widget iPOS)
   ========================================================= */
:root {
  --red: #7a1f2b;
  --red-dark: #5e161f;
  --red-deep: #3f0e15;
  --gold: #c9a227;
  --gold-light: #e6c352;
  --gold-dark: #a5831c;
  --cream: #f7eedf;
  --ink: #2b2420;
  --muted: #6f625a;
  --line: #e4d9c6;
  --font: "Be Vietnam Pro", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font); color: var(--ink); min-height: 100vh; }

/* ----- Nền tối kiểu ẩm thực (thay bằng ảnh thật nếu có) ----- */
.bg {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 500px at 15% 20%, rgba(122, 31, 43, 0.55), transparent 60%),
    radial-gradient(700px 500px at 85% 80%, rgba(201, 162, 39, 0.25), transparent 60%),
    linear-gradient(135deg, #1c1512, #2b201b 55%, #17110e);
  /* Thả ảnh nền tối vào assets/img/bg-food.jpg là tự đổi (gradient là fallback) */
  background-image:
    radial-gradient(900px 500px at 15% 20%, rgba(122, 31, 43, 0.55), transparent 60%),
    linear-gradient(135deg, rgba(20,15,13,0.82), rgba(23,17,14,0.9)),
    url("../assets/img/bg-food.jpg");
  background-size: cover; background-position: center;
}

/* Logo thật */
.promo-banner__logo { min-height: 46px; display: flex; justify-content: center; align-items: center; margin-bottom: 6px; }
.brand-logo { height: 78px; width: auto; display: block; }
.promo-banner__logo-fb { display: none; flex-direction: column; align-items: center; line-height: 1; font-weight: 900; font-size: 26px; color: var(--gold-light); }
.promo-banner__logo-fb small { font-size: 10px; letter-spacing: 4px; color: rgba(255,255,255,0.6); margin-top: 4px; font-weight: 600; }
.promo-banner__sub { margin-top: 10px; font-size: 13.5px; color: rgba(255,255,255,0.85); }
.bg__overlay { position: fixed; inset: 0; z-index: -1; background: rgba(0,0,0,0.35); }

.back-home {
  position: fixed; top: 18px; left: 18px; z-index: 10;
  color: #fff; text-decoration: none; font-weight: 600; font-size: 14px;
  background: rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.25);
  padding: 8px 14px; border-radius: 999px; backdrop-filter: blur(6px);
  transition: background 0.2s ease;
}
.back-home:hover { background: rgba(0,0,0,0.55); }

/* ----- Layout ----- */
.bpage { min-height: 100vh; display: grid; place-items: center; padding: 60px 20px; }
.bmodal {
  width: 100%; max-width: 1160px;
  display: grid; grid-template-columns: 1fr 1.05fr;
  background: #fff; border-radius: 22px; overflow: hidden;
  box-shadow: 0 40px 90px rgba(0,0,0,0.5);
}

/* ============ PANEL TRÁI ============ */
.bm-left {
  position: relative;
  padding: 28px 26px 26px;
  color: #fff;
  background:
    radial-gradient(600px 400px at 50% 0%, rgba(201,162,39,0.28), transparent 60%),
    linear-gradient(160deg, var(--red-deep), #1d0d0f 90%);
  display: flex; flex-direction: column; align-items: center;
}

.promo-banner { text-align: center; margin-bottom: 8px; }
.promo-banner__logo {
  font-weight: 900; font-size: 26px; letter-spacing: 0.5px;
  color: var(--gold-light);
  display: flex; flex-direction: column; align-items: center; line-height: 1;
}
.promo-banner__logo span { font-size: 10px; letter-spacing: 4px; color: rgba(255,255,255,0.6); margin-top: 4px; font-weight: 600; }
.promo-banner__title { font-size: 22px; font-weight: 800; margin: 12px 0 8px; color: #fff; text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.promo-banner__badge {
  display: inline-block; background: var(--gold); color: var(--red-deep);
  font-weight: 800; padding: 4px 14px; border-radius: 999px; font-size: 15px;
}
.promo-banner__price { margin-top: 12px; display: flex; gap: 12px; align-items: baseline; justify-content: center; }
.promo-banner__price .old { text-decoration: line-through; opacity: 0.6; font-size: 15px; }
.promo-banner__price .new { font-size: 30px; font-weight: 900; color: var(--gold-light); }

/* ----- Vòng quay ----- */
.wheel-wrap { position: relative; width: 340px; height: 340px; margin: 14px 0 6px; }
.wheel-frame { position: absolute; inset: 0; z-index: 0; filter: drop-shadow(0 16px 30px rgba(0,0,0,0.55)); }
.wheel-frame svg { width: 100%; height: 100%; display: block; }
.wheel {
  position: absolute; inset: 8%; z-index: 1; border-radius: 50%;
  transition: transform 4.2s cubic-bezier(0.16, 1, 0.3, 1);
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.wheel svg { display: block; width: 100%; height: 100%; border-radius: 50%; }
/* Khi dùng ảnh thật (wheel-disc.png) — viền + bóng nhẹ để hoà với khung ngoài */
.wheel--photo { box-shadow: inset 0 0 0 2px rgba(255,255,255,0.5), 0 2px 10px rgba(0,0,0,0.35); }

/* Bóng đèn: idle mờ nhẹ, is-lit thì sáng rực (JS toggle class .is-lit trên .bulb) */
.bulb { opacity: 0.55; transition: opacity 0.12s ease, filter 0.12s ease; }
.bulb.is-lit { opacity: 1; filter: drop-shadow(0 0 5px #ffe9a8) brightness(1.3); }
.bulb-glow, .bulb-spark { opacity: 0.35; }
.wheel-pointer {
  position: absolute; top: 2px; left: 50%; z-index: 4;
  width: 30px; height: 30px;
  transform: translateX(-50%) rotate(45deg);
  background: linear-gradient(135deg, #ffe9a8, #a5831c);
  border: 3px solid #fff; border-radius: 50% 50% 50% 3px;
  box-shadow: 0 4px 9px rgba(0,0,0,0.55);
}
.wheel-pointer {
  width: 34px; height: 34px;
}
.wheel-pointer::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fffdf3, #e6c352);
  box-shadow: inset 0 -1px 2px rgba(120,90,20,0.5);
  transform: translate(-50%, -50%);
}
.wheel-hub {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 88px; height: 88px; border-radius: 50%; z-index: 3;
  background: radial-gradient(circle at 38% 30%, #fff6d3 0%, #eccb62 35%, #c9a227 60%, #9c7418 85%, #7a5a12 100%);
  border: 4px solid #fdf4d6;
  color: #6b3410; font-weight: 900; font-size: 14px; letter-spacing: 1px;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(0,0,0,0.5), inset 0 -4px 9px rgba(90,60,10,0.55), inset 0 4px 8px rgba(255,255,255,0.75);
  text-shadow: 0 1px 0 rgba(255,255,255,0.5);
  transition: transform 0.15s ease;
}
.wheel-hub::before {
  content: ""; position: absolute; inset: 8px; border-radius: 50%;
  border: 2px solid rgba(122,90,18,0.4); pointer-events: none;
}
.wheel-hub span { position: relative; z-index: 1; }
.wheel-hub:hover { transform: translate(-50%, -50%) scale(1.05); }
.wheel-hub:disabled { cursor: not-allowed; }
.wheel-caption { font-size: 13px; opacity: 0.85; text-align: center; margin-top: 6px; }
.wheel-result {
  margin-top: 8px; text-align: center; font-weight: 800; font-size: 15px;
  color: var(--red-deep); background: var(--gold-light);
  padding: 8px 16px; border-radius: 999px;
}

/* ----- Thẻ nhà hàng ----- */
.bm-restaurant {
  margin-top: auto; width: 100%;
  display: flex; align-items: center; gap: 14px;
  background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px; padding: 14px 16px;
}
.bm-restaurant__logo {
  width: 46px; height: 46px; flex: 0 0 46px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 900; color: var(--red-deep);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
}
.bm-restaurant__info h3 { font-size: 15px; margin-bottom: 3px; }
.bm-restaurant__info p { font-size: 12.5px; opacity: 0.8; line-height: 1.4; }

/* ============ PANEL PHẢI (FORM) ============ */
.bm-right { padding: 34px 34px 30px; display: flex; flex-direction: column; }
.bm-right__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.bm-right__head h1 { font-size: 28px; font-weight: 800; color: var(--ink); }

.lang-toggle { display: flex; gap: 6px; }
.lang {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  padding: 6px 10px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: 0.2s;
}
.lang.is-active { border-color: var(--red); color: var(--red); background: var(--cream); }

.brow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.brow--3 { grid-template-columns: 1fr 1fr 1fr; }
.bfield { display: flex; flex-direction: column; gap: 6px; }
.blabel { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: none; }

.bfield input, .bselect select {
  width: 100%; padding: 13px 14px;
  border: 1.5px solid var(--line); border-radius: 12px;
  font-family: inherit; font-size: 15px; color: var(--ink); background: #fff;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}
.bfield input::placeholder { color: #b3a99c; }
.bfield input:focus, .bselect select:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,162,39,0.22);
}
.bfield input.is-invalid { border-color: var(--red); box-shadow: 0 0 0 3px rgba(122,31,43,0.18); }
.bselect { position: relative; }
.bselect select { appearance: none; -webkit-appearance: none; padding-right: 34px; cursor: pointer; }
.bselect::after {
  content: "⌄"; position: absolute; right: 14px; top: 46%; transform: translateY(-50%);
  color: var(--muted); font-size: 18px; pointer-events: none;
}

.slots-title { font-size: 12px; font-weight: 800; color: var(--muted); letter-spacing: 1px; margin: 18px 0 12px; }
.slots {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
  max-height: 250px; overflow-y: auto; padding-right: 4px;
}
.slot {
  border: 1.5px solid var(--line); background: #fff; color: var(--ink);
  padding: 10px 0; border-radius: 10px; font-size: 14px; font-weight: 600;
  cursor: pointer; text-align: center; transition: 0.15s;
}
.slot:hover { border-color: var(--gold); color: var(--red); }
.slot.is-active { background: var(--red); border-color: var(--red); color: #fff; }
.slot.is-past { opacity: 0.35; cursor: not-allowed; text-decoration: line-through; }

.btn-book {
  margin-top: 20px; width: 100%;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff; border: 0; padding: 15px; border-radius: 12px;
  font-size: 16px; font-weight: 800; cursor: pointer; letter-spacing: 0.5px;
  box-shadow: 0 10px 24px rgba(122,31,43,0.35); transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-book:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(122,31,43,0.45); }
.btn-book:disabled { opacity: 0.7; cursor: progress; transform: none; }

.book-msg { margin-top: 14px; text-align: center; font-weight: 700; color: #1e7a3f; }
.book-msg.is-error { color: var(--red); }

/* ===== Pháo hoa khi trúng thưởng ===== */
.fireworks-layer { position: fixed; inset: 0; z-index: 999; pointer-events: none; overflow: hidden; }
.fw-particle {
  position: absolute; width: 8px; height: 8px; border-radius: 50%;
  background: var(--fw-color, #ffd76a);
  box-shadow: 0 0 10px 2px var(--fw-color, #ffd76a);
  transform: translate(-50%, -50%) rotate(var(--angle)) translateX(0) scale(1);
  opacity: 1;
  animation: fw-burst 0.95s ease-out forwards;
}
@keyframes fw-burst {
  0%   { transform: translate(-50%, -50%) rotate(var(--angle)) translateX(0) scale(1); opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: translate(-50%, -50%) rotate(var(--angle)) translateX(var(--dist)) scale(0.15); opacity: 0; }
}

/* Scrollbar cho lưới giờ */
.slots::-webkit-scrollbar { width: 8px; }
.slots::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .bmodal { grid-template-columns: 1fr; max-width: 560px; }
  .bm-left { padding-bottom: 30px; }
}
@media (max-width: 560px) {
  .bpage { padding: 20px 12px; }
  .bm-right { padding: 24px 20px; }
  .brow, .brow--3 { grid-template-columns: 1fr; }
  .slots { grid-template-columns: repeat(4, 1fr); }
  .bm-right__head h1 { font-size: 24px; }
  .wheel-wrap { width: 300px; height: 300px; }
}