/**
 * Restaurant Booking Pro — Frontend styles
 * Luxury restaurant: white / black / gold, glassmorphism, responsive
 */

@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;700&family=Source+Sans+3:wght@400;600;700&display=swap");

:root {
  --rbp-bg: #0c0c0c;
  --rbp-surface: rgba(255, 255, 255, 0.08);
  --rbp-surface-strong: rgba(255, 255, 255, 0.92);
  --rbp-text: #111111;
  --rbp-text-muted: #6b655c;
  --rbp-gold: #c6a35a;
  --rbp-gold-deep: #9a7b3c;
  --rbp-border: rgba(198, 163, 90, 0.35);
  --rbp-danger: #b42318;
  --rbp-success: #0f7b4a;
  --rbp-radius: 18px;
  --rbp-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --rbp-font-display: "Playfair Display", "Times New Roman", serif;
  --rbp-font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

.rbp-booking {
  font-family: var(--rbp-font-body);
  color: var(--rbp-text);
  max-width: 920px;
  margin: 2rem auto;
  padding: 1rem;
}

.rbp-booking__shell {
  position: relative;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(250, 247, 240, 0.88)),
    radial-gradient(circle at top right, rgba(198, 163, 90, 0.18), transparent 45%);
  border: 1px solid var(--rbp-border);
  border-radius: 28px;
  box-shadow: var(--rbp-shadow);
  backdrop-filter: blur(18px);
  padding: 2rem;
  overflow: hidden;
}

.rbp-booking__shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(198, 163, 90, 0.08) 1px, transparent 1px);
  background-size: 18px 18px;
  pointer-events: none;
  opacity: 0.5;
}

.rbp-booking__header,
.rbp-steps,
.rbp-panel,
.rbp-booking__footer,
.rbp-alert,
.rbp-loader {
  position: relative;
  z-index: 1;
}

.rbp-booking__brand {
  margin: 0;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--rbp-gold-deep);
  font-weight: 700;
}

.rbp-booking__logo {
  max-height: 56px;
  margin-bottom: 0.75rem;
}

.rbp-booking__title {
  font-family: var(--rbp-font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0.35rem 0;
  color: #111;
}

.rbp-booking__subtitle {
  margin: 0 0 1.5rem;
  color: var(--rbp-text-muted);
}

.rbp-steps {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.rbp-steps--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rbp-steps__item {
  border: 1px solid rgba(17, 17, 17, 0.08);
  background: rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  padding: 0.55rem 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--rbp-text-muted);
  cursor: default;
  transition: all 0.25s ease;
}

.rbp-steps__item.is-active,
.rbp-steps__item.is-done {
  background: #111;
  color: var(--rbp-gold);
  border-color: #111;
}

.rbp-panel {
  animation: rbp-fade-up 0.35s ease;
  min-height: 220px;
}

.rbp-panel[hidden] {
  display: none !important;
}

.rbp-panel h3 {
  font-family: var(--rbp-font-display);
  margin-top: 0;
}

.rbp-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.45rem;
}

.rbp-calendar__head {
  font-size: 0.72rem;
  text-align: center;
  color: var(--rbp-text-muted);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.rbp-calendar__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  grid-column: 1 / -1;
}

.rbp-calendar__day {
  aspect-ratio: 1;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.rbp-calendar__day:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
}

.rbp-calendar__day.is-selected {
  background: #111;
  color: var(--rbp-gold);
  border-color: #111;
}

.rbp-calendar__day:disabled,
.rbp-calendar__day.is-disabled {
  opacity: 0.35;
  cursor: not-allowed;
  text-decoration: line-through;
}

.rbp-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}

.rbp-slot {
  border: 1px solid var(--rbp-border);
  border-radius: var(--rbp-radius);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.72);
  text-align: left;
  cursor: pointer;
  transition: all 0.25s ease;
}

.rbp-slot.is-selected,
.rbp-slot:hover:not(:disabled) {
  background: #111;
  color: #fff;
  border-color: #111;
}

.rbp-slot:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.rbp-slot__meta {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  opacity: 0.8;
}

.rbp-guests {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--rbp-border);
  border-radius: 999px;
  padding: 0.35rem;
}

.rbp-guests input {
  width: 64px;
  border: 0;
  background: transparent;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
}

.rbp-guests__btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: #111;
  color: var(--rbp-gold);
  font-size: 1.25rem;
  cursor: pointer;
}

.rbp-form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.rbp-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.rbp-form input,
.rbp-form textarea {
  width: 100%;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.85);
  font: inherit;
}

.rbp-form input:focus,
.rbp-form textarea:focus {
  outline: 2px solid rgba(198, 163, 90, 0.55);
  border-color: var(--rbp-gold);
}

.rbp-form input.is-invalid {
  border-color: var(--rbp-danger);
}

.rbp-summary,
.rbp-allocated,
.rbp-pay-summary {
  background: rgba(17, 17, 17, 0.04);
  border: 1px solid rgba(198, 163, 90, 0.25);
  border-radius: var(--rbp-radius);
  padding: 1rem 1.15rem;
}

.rbp-summary dl,
.rbp-pay-summary dl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.45rem 1rem;
  margin: 0;
}

.rbp-summary dt,
.rbp-pay-summary dt {
  color: var(--rbp-text-muted);
}

.rbp-summary dd,
.rbp-pay-summary dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

.rbp-booking__footer {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.rbp-btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.4rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.rbp-btn:hover {
  transform: translateY(-1px);
}

.rbp-btn--primary {
  background: linear-gradient(135deg, #111 0%, #2a2a2a 100%);
  color: var(--rbp-gold);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.rbp-btn--ghost {
  background: transparent;
  border: 1px solid rgba(17, 17, 17, 0.15);
  color: #111;
}

.rbp-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.rbp-alert {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: #fff1f0;
  color: var(--rbp-danger);
  border: 1px solid rgba(180, 35, 24, 0.2);
}

.rbp-alert[hidden],
.rbp-loader[hidden],
.rbp-panel[hidden] {
  display: none !important;
}

.rbp-loader {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(255, 255, 255, 0.55);
  z-index: 5;
  border-radius: 28px;
}

.rbp-loader.is-active {
  display: grid;
}

.rbp-spinner {
  width: 42px;
  height: 42px;
  border: 3px solid rgba(17, 17, 17, 0.12);
  border-top-color: var(--rbp-gold);
  border-radius: 50%;
  animation: rbp-spin 0.8s linear infinite;
}

.rbp-result {
  max-width: 640px;
  margin: 2rem auto;
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: 28px;
  background: linear-gradient(160deg, #fff, #faf7f0);
  border: 1px solid var(--rbp-border);
  box-shadow: var(--rbp-shadow);
  animation: rbp-fade-up 0.45s ease;
}

.rbp-result__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  font-weight: 700;
}

.rbp-result--success .rbp-result__icon {
  background: #111;
  color: var(--rbp-gold);
  animation: rbp-pop 0.5s ease;
}

.rbp-result--failed .rbp-result__icon {
  background: #fff1f0;
  color: var(--rbp-danger);
}

.rbp-result__details {
  list-style: none;
  padding: 0;
  margin: 1.5rem auto 0;
  max-width: 360px;
  text-align: left;
}

.rbp-result__details li {
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
}

.rbp-help {
  color: var(--rbp-text-muted);
  font-size: 0.9rem;
}

.rbp-empty {
  color: var(--rbp-text-muted);
  padding: 1rem 0;
}

.rbp-pref-block {
  margin-top: 1.75rem;
}

.rbp-events {
  display: grid;
  gap: 0.9rem;
}

.rbp-event {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  width: 100%;
  text-align: left;
  border: 1px solid var(--rbp-border);
  border-radius: var(--rbp-radius);
  background: rgba(255, 255, 255, 0.78);
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.rbp-event:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.rbp-event.is-selected {
  border-color: #111;
  box-shadow: 0 0 0 2px rgba(198, 163, 90, 0.45);
}

.rbp-event.is-full,
.rbp-event:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.rbp-event__media {
  min-height: 110px;
  background: #1a1a1a;
}

.rbp-event__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.rbp-event__media--placeholder {
  background:
    linear-gradient(135deg, #111 0%, #2c2c2c 55%, var(--rbp-gold-deep) 140%);
}

.rbp-event__body {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1rem 0.9rem 0;
  align-content: center;
}

.rbp-event__title {
  font-family: var(--rbp-font-display);
  font-size: 1.15rem;
}

.rbp-event__meta,
.rbp-event__avail {
  font-size: 0.85rem;
  color: var(--rbp-text-muted);
}

.rbp-event__desc {
  font-size: 0.88rem;
  color: #333;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.rbp-event__avail {
  color: var(--rbp-gold-deep);
  font-weight: 700;
}

.rbp-tables {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.85rem;
}

.rbp-table {
  display: grid;
  gap: 0.55rem;
  justify-items: center;
  text-align: center;
  border: 1px solid var(--rbp-border);
  border-radius: var(--rbp-radius);
  background: rgba(255, 255, 255, 0.8);
  padding: 1rem 0.75rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.rbp-table:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.08);
}

.rbp-table.is-selected {
  background: #111;
  color: #fff;
  border-color: #111;
}

.rbp-table.is-selected .rbp-table__meta,
.rbp-table.is-selected .rbp-seat {
  color: var(--rbp-gold);
  border-color: var(--rbp-gold);
}

.rbp-table.is-unavailable,
.rbp-table:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.rbp-table__name {
  font-weight: 700;
  font-size: 0.95rem;
}

.rbp-table__meta {
  font-size: 0.8rem;
  color: var(--rbp-text-muted);
}

.rbp-table__status {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--rbp-danger);
}

.rbp-seats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.28rem;
  max-width: 110px;
}

.rbp-seat {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #111;
  background: transparent;
  display: inline-block;
}

.rbp-seat.is-filled {
  background: var(--rbp-gold);
  border-color: var(--rbp-gold-deep);
}

.rbp-table.is-selected .rbp-seat.is-filled {
  background: var(--rbp-gold);
  border-color: var(--rbp-gold);
}

.rbp-btn--pay {
  width: 100%;
  margin-top: 1.25rem;
}

@keyframes rbp-fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rbp-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes rbp-pop {
  0% {
    transform: scale(0.6);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 720px) {
  .rbp-booking__shell {
    padding: 1.25rem;
    border-radius: 20px;
  }

  .rbp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rbp-event {
    grid-template-columns: 1fr;
  }

  .rbp-event__media {
    min-height: 150px;
  }

  .rbp-event__body {
    padding: 0 1rem 1rem;
  }

  .rbp-booking__footer {
    flex-direction: column-reverse;
  }

  .rbp-btn {
    width: 100%;
  }
}