/**
 * Studio Booking — formularz rezerwacji. Minimalistyczny, spójny z motywem.
 * Używa zmiennych motywu (--studio-*) z fallbackami.
 */
.sb {
    --sb-primary: var(--studio-primary, #6366F1);
    --sb-primary-hover: var(--studio-primary-hover, #4F46E5);
    --sb-on-primary: var(--studio-on-primary, #FFFFFF);
    --sb-ink: var(--studio-ink, #0F172A);
    --sb-muted: var(--studio-muted, #64748B);
    --sb-line: var(--studio-line, #E2E8F0);
    --sb-soft: var(--studio-bg-soft, #F8FAFC);
    --sb-surface: var(--studio-surface, #FFFFFF);
    max-width: 640px;
    margin: 0 auto;
    font-family: inherit;
    color: var(--studio-text, #374151);
}

/* Pasek postępu */
.sb-progress {
    display: flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    counter-reset: sb;
}
.sb-progress li {
    flex: 1;
    counter-increment: sb;
    font-size: .85rem;
    font-weight: 600;
    color: var(--sb-muted);
    padding-top: 12px;
    border-top: 3px solid var(--sb-line);
    transition: color .2s, border-color .2s;
}
.sb-progress li::before { content: counter(sb) ". "; }
.sb-progress li.is-active { color: var(--sb-primary); border-top-color: var(--sb-primary); }

.sb-h { margin: 0 0 18px; color: var(--sb-ink); font-size: 1.25rem; }

/* Wybór sali */
.sb-rooms { display: grid; gap: 12px; }
.sb-room {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    text-align: left;
    padding: 18px 20px;
    background: var(--sb-surface);
    border: 1.5px solid var(--sb-line);
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: border-color .15s, transform .15s;
}
.sb-room:hover { border-color: var(--sb-primary); transform: translateY(-1px); }
.sb-dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.sb-room-name { font-weight: 600; color: var(--sb-ink); }
.sb-room-price { margin-left: auto; color: var(--sb-muted); font-weight: 500; }

/* Wróć */
.sb-back {
    background: none; border: none; color: var(--sb-muted);
    cursor: pointer; padding: 0; margin: 0 0 14px; font-size: .9rem;
}
.sb-back:hover { color: var(--sb-primary); }

/* Pola */
.sb-field { display: block; margin: 0 0 16px; }
.sb-field > span { display: block; font-size: .9rem; font-weight: 500; color: var(--sb-ink); margin-bottom: 6px; }
/* .sb przed selektorem — wygrywa ze stylami motywu nadrzędnego */
.sb .sb-field input, .sb .sb-field select, .sb .sb-field textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1.5px solid var(--sb-line);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--sb-surface);
    color: var(--sb-ink);
    box-sizing: border-box;
}
.sb .sb-field input:focus, .sb .sb-field select:focus, .sb .sb-field textarea:focus {
    outline: none;
    border-color: var(--sb-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sb-primary) 20%, transparent);
}
.sb .sb-field input::placeholder, .sb .sb-field textarea::placeholder { color: var(--sb-muted); opacity: 1; }

/* Sloty godzinowe */
.sb-slots-hint { color: var(--sb-muted); font-size: .95rem; margin: 4px 0 0; }
.sb-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 8px;
    margin-top: 12px;
}
.sb-slot {
    padding: 10px 4px;
    border: 1.5px solid var(--sb-line);
    border-radius: 8px;
    background: var(--sb-surface);
    cursor: pointer;
    font-size: .95rem;
    font-weight: 500;
    transition: border-color .12s, background .12s, color .12s;
}
.sb-slot:hover { border-color: var(--sb-primary); }
.sb-slot.is-selected { background: var(--sb-primary); border-color: var(--sb-primary); color: var(--sb-on-primary); }

.sb-duration { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--sb-line); }
.sb-price { font-size: 1.15rem; font-weight: 700; color: var(--sb-ink); margin: 4px 0 18px; }

/* Podsumowanie */
.sb-summary {
    background: var(--sb-soft);
    border: 1px solid var(--sb-line);
    border-radius: 10px;
    padding: 8px 16px;
    margin-bottom: 22px;
}
.sb-summary-row {
    display: flex; justify-content: space-between;
    padding: 10px 0; border-bottom: 1px solid var(--sb-line);
}
.sb-summary-row:last-child { border-bottom: none; }
.sb-summary-row span { color: var(--sb-muted); }
.sb-summary-row strong { color: var(--sb-ink); }

/* Przyciski / błędy */
.sb-btn {
    display: inline-block;
    background: var(--sb-primary);
    color: var(--sb-on-primary);
    border: none;
    border-radius: 8px;
    padding: 13px 26px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
}
.sb-btn:hover { background: var(--sb-primary-hover); }
.sb-btn:disabled { opacity: .5; cursor: not-allowed; }
.sb-error {
    margin: 14px 0 0;
    color: #b91c1c;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: .95rem;
}

/* Potwierdzenie */
.sb-done { text-align: center; }
.sb-check {
    width: 56px; height: 56px; line-height: 56px;
    margin: 0 auto 16px;
    background: #ecfdf5; color: #059669;
    border-radius: 50%; font-size: 1.8rem; font-weight: 700;
}
.sb-done .sb-summary { text-align: left; margin-top: 20px; }
.sb-done-note { color: var(--sb-muted); font-size: .9rem; margin-top: 16px; }

@media (max-width: 480px) {
    .sb-slots { grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); }
}

/* ============================================================
   KALENDARZ (krok 2)
   ============================================================ */
.sb-cal {
    border: 1px solid var(--sb-line);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 18px;
    background: var(--sb-surface);
}
.sb-cal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.sb-cal-title { font-weight: 600; color: var(--sb-ink); font-size: 1rem; }
.sb-cal-nav {
    width: 34px; height: 34px;
    border: 1px solid var(--sb-line);
    background: var(--sb-surface);
    color: var(--sb-ink);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
}
.sb-cal-nav:hover:not(:disabled) { border-color: var(--sb-primary); color: var(--sb-primary); }
.sb-cal-nav:disabled { opacity: .35; cursor: not-allowed; }
.sb-cal-dow { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 4px; }
.sb-cal-dow span {
    text-align: center;
    font-size: .72rem;
    font-weight: 600;
    color: var(--sb-muted);
    text-transform: uppercase;
    letter-spacing: .03em;
    padding: 4px 0;
}
.sb-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.sb-cal-empty { aspect-ratio: 1; }
.sb-cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid transparent;
    background: var(--sb-soft);
    color: var(--sb-ink);
    border-radius: 8px;
    cursor: pointer;
    font-size: .9rem;
    font-weight: 500;
    transition: border-color .12s, background .12s, color .12s;
}
.sb-cal-day:hover:not(.is-disabled) { border-color: var(--sb-primary); }
.sb-cal-day.is-selected { background: var(--sb-primary); color: var(--sb-on-primary); border-color: var(--sb-primary); }
.sb-cal-day.is-disabled { opacity: .3; cursor: not-allowed; background: transparent; }