/* ── Reset & tokens ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:        #35526a;
  --blue-dark:   #243947;
  --blue-light:  #eaf0f5;
  --orange:      #cd6028;
  --orange-lt:   #fdf3ed;
  --green:       #2e7d32;
  --green-lt:    #edf7ee;
  --bg:          #f0ece6;
  --card:        #ffffff;
  --text:        #1a1a1a;
  --muted:       #6b7280;
  --border:      #ddd8d0;
  --error:       #c0392b;
  --radius:      14px;
  --shadow:      0 4px 24px rgba(0,0,0,0.07);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Lato', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
.bk-header {
  background: var(--blue);
  color: #fff;
  padding: 20px 24px;
}
.bk-header-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.bk-logo {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  object-fit: contain;
  flex-shrink: 0;
}
.bk-restaurant-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.4px;
}
.bk-tagline {
  font-size: 12px;
  opacity: 0.7;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 1px;
}

/* ── Progress ───────────────────────────────────────────────────────────────── */
.bk-progress {
  background: var(--blue-dark);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.bk-step {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.45;
  transition: opacity 0.25s;
}
.bk-step.active  { opacity: 1; }
.bk-step.done    { opacity: 0.7; }
.bk-step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.bk-step.active .bk-step-num {
  background: var(--orange);
  border-color: var(--orange);
}
.bk-step.done .bk-step-num {
  background: var(--green);
  border-color: var(--green);
}
.bk-step-label {
  font-size: 12px;
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
}
.bk-step-line {
  width: 48px;
  height: 2px;
  background: rgba(255,255,255,0.2);
  margin: 0 8px;
  flex-shrink: 0;
}

/* ── Main / Cards ───────────────────────────────────────────────────────────── */
.bk-main {
  flex: 1;
  padding: 36px 16px 48px;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
}
.bk-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 36px 36px 32px;
  box-shadow: var(--shadow);
}
.bk-card.hidden { display: none; }
.bk-card-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--blue);
  margin-bottom: 6px;
}
.bk-sub {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

/* ── Fields ─────────────────────────────────────────────────────────────────── */
.bk-field {
  margin-bottom: 20px;
}
.bk-field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  margin-bottom: 7px;
}
.req  { color: var(--orange); }
.bk-opt { font-weight: 400; text-transform: none; letter-spacing: 0; font-size: 11px; }
.bk-hint { display: block; font-size: 11px; color: var(--muted); margin-top: 5px; }

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="date"],
textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: 'Lato', sans-serif;
  color: var(--text);
  background: #fafaf8;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(53,82,106,0.1);
  background: #fff;
}
textarea { resize: vertical; min-height: 80px; }

.bk-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 480px) { .bk-row { grid-template-columns: 1fr; } }

/* ── Party stepper ──────────────────────────────────────────────────────────── */
.bk-stepper {
  display: flex;
  align-items: center;
  gap: 12px;
}
.bk-step-btn {
  width: 38px;
  height: 38px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: #fafaf8;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, background 0.15s;
}
.bk-step-btn:hover { border-color: var(--blue); background: var(--blue-light); }
.bk-step-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.bk-step-val {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 22px;
  min-width: 32px;
  text-align: center;
  color: var(--blue);
}
.bk-step-unit { font-size: 14px; color: var(--muted); }

/* ── Time slot grid ─────────────────────────────────────────────────────────── */
.bk-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.bk-slot {
  padding: 12px 8px;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  text-align: center;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: var(--blue);
  background: #fafaf8;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.bk-slot:hover  { border-color: var(--blue); background: var(--blue-light); }
.bk-slot.picked { border-color: var(--orange); background: var(--orange-lt); color: var(--orange); }
.bk-no-slots {
  padding: 24px 0;
  text-align: center;
  color: var(--muted);
  font-style: italic;
  grid-column: 1/-1;
}

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.bk-btn {
  display: inline-block;
  padding: 13px 28px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: background 0.15s;
  width: 100%;
  margin-top: 6px;
}
.bk-btn:hover    { background: var(--blue-dark); }
.bk-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.bk-btn-ghost {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  font-family: 'Lato', sans-serif;
}
.bk-btn-ghost:hover { color: var(--blue); }
.bk-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
  flex-wrap: wrap;
}

/* ── Error ───────────────────────────────────────────────────────────────────── */
.bk-error {
  color: var(--error);
  font-size: 13px;
  min-height: 18px;
  margin-top: 6px;
}

/* ── Confirmation ────────────────────────────────────────────────────────────── */
.bk-confirm-icon {
  text-align: center;
  font-size: 56px;
  color: var(--green);
  margin-bottom: 8px;
}
.bk-confirm-box {
  border: 1.5px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 24px;
}
.bk-confirm-row {
  display: flex;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
}
.bk-confirm-row:last-child { border-bottom: none; }
.bk-confirm-lbl {
  width: 120px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--muted);
  flex-shrink: 0;
  padding-top: 2px;
}
.bk-confirm-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.bk-footer {
  text-align: center;
  padding: 20px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--card);
}
.bk-footer a { color: var(--orange); text-decoration: none; font-weight: 700; }
.bk-footer a:hover { text-decoration: underline; }