/* ══════════════════════════════════════════════════════════════
   BOOKING SYSTEM — style.booking.css
   Self-contained styles for the scheduling UI
═══════════════════════════════════════════════════════════════ */

/* ─── Page header tweak ─── */
.bk-header {
    padding-bottom: 60px;
}

/* ─── Shell / Layout ─── */
.bk-shell {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 5% 120px;
}

/* ─── Step Indicator ─── */
.bk-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 48px;
}

.bk-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.3;
    transition: opacity 0.35s ease;
}

.bk-step.active {
    opacity: 1;
}

.bk-step.done {
    opacity: 0.6;
}

.bk-step__num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1.5px solid var(--border-bright);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: all 0.35s ease;
}

.bk-step.active .bk-step__num {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.bk-step.done .bk-step__num {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: #000;
    font-size: 0.75rem;
}

.bk-step.done .bk-step__num::before {
    content: '✓';
}

.bk-step.done .bk-step__num span {
    display: none;
}

.bk-step__label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    white-space: nowrap;
}

.bk-step-line {
    flex: 1;
    height: 1px;
    background: var(--border);
    max-width: 80px;
    margin-bottom: 20px;
}

/* ─── Step Panels ─── */
.bk-step-panel {
    display: none;
    animation: bk-fadein 0.4s var(--ease);
}

.bk-step-panel.active {
    display: block;
}

@keyframes bk-fadein {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Card ─── */
.bk-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
}

.bk-card-title {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-family: var(--font-heading);
    margin-bottom: 28px;
    color: var(--text-primary);
}

/* ─── Calendar ─── */
.bk-calendar-card {
    padding: 36px;
}

.bk-cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.bk-month-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.bk-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    font-size: 0.75rem;
}

.bk-icon-btn:hover {
    border-color: var(--border-bright);
    color: var(--text-primary);
}

.bk-icon-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.bk-cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.bk-cal-weekdays span {
    text-align: center;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    padding: 6px 0;
}

.bk-cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.bk-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.88rem;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: all 0.2s ease;
    color: var(--text-primary);
    background: transparent;
}

.bk-day:hover:not(:disabled):not(.bk-day--other):not(.bk-day--past) {
    border-color: var(--border-bright);
    background: rgba(255, 255, 255, 0.05);
}

.bk-day--other,
.bk-day--past,
.bk-day--weekend {
    color: var(--text-secondary);
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.bk-day--today {
    border-color: var(--border-bright);
}

.bk-day--selected {
    background: var(--text-primary) !important;
    color: #000 !important;
    border-color: var(--text-primary) !important;
    font-weight: 700;
}

.bk-cal-note {
    margin-top: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    opacity: 0.7;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* ─── Back Button ─── */
.bk-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.2s ease;
    padding: 0;
    margin-bottom: 24px;
    font-family: var(--font-main);
}

.bk-back-btn:hover {
    color: var(--text-primary);
}

/* ─── Time Header ─── */
.bk-time-header {
    margin-bottom: 32px;
}

.bk-time-header .bk-back-btn {
    margin-bottom: 16px;
    display: flex;
}

.bk-time-header h2 {
    font-size: clamp(1.4rem, 4vw, 2.2rem);
    line-height: 1.1;
    margin-bottom: 12px;
}

/* ─── Timezone Display ─── */
.bk-tz-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    opacity: 0.8;
}

.bk-tz-text {
    font-family: var(--font-main);
}

/* ─── Slots Grid ─── */
.bk-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.bk-slot {
    padding: 12px 8px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    font-size: 0.88rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
    font-family: var(--font-main);
}

.bk-slot:hover:not(:disabled) {
    border-color: var(--border-bright);
    background: rgba(255, 255, 255, 0.05);
}

.bk-slot--booked {
    opacity: 0.2;
    cursor: not-allowed;
    text-decoration: line-through;
}

.bk-slot--selected {
    background: var(--text-primary) !important;
    border-color: var(--text-primary) !important;
    color: #000 !important;
    font-weight: 600;
}

.bk-loading,
.bk-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* ─── Summary Bar ─── */
.bk-summary-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.bk-summary-bar i {
    margin-right: 6px;
    opacity: 0.6;
}

.bk-summary-sep {
    opacity: 0.3;
}

/* ─── Form ─── */
.bk-form-group {
    margin-bottom: 24px;
    position: relative;
}

.bk-form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.bk-req {
    color: var(--text-secondary);
}

.bk-form-group input,
.bk-form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 18px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease;
    resize: vertical;
}

.bk-form-group input::placeholder,
.bk-form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.bk-form-group input:focus,
.bk-form-group textarea:focus {
    border-color: var(--border-bright);
}

.bk-form-group input.error,
.bk-form-group textarea.error {
    border-color: #ef4444;
}

.bk-field-err {
    display: block;
    font-size: 0.78rem;
    color: #ef4444;
    margin-top: 6px;
    min-height: 18px;
}

.bk-char-count {
    position: absolute;
    bottom: 10px;
    right: 14px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    opacity: 0.5;
    pointer-events: none;
}

.bk-submit-btn {
    width: 100%;
    justify-content: center;
    gap: 10px;
    padding: 18px;
    font-size: 1rem;
    border-radius: 14px;
    margin-top: 8px;
}

.bk-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ─── Confirmation ─── */
.bk-confirm-card {
    text-align: center;
}

.bk-check-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px solid var(--border-bright);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--text-primary);
    margin: 0 auto 28px;
    animation: bk-pop 0.5s var(--ease) both;
}

@keyframes bk-pop {
    from {
        transform: scale(0.6);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.bk-confirm-details {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    text-align: left;
}

.bk-confirm-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}

.bk-confirm-row:last-child {
    border-bottom: none;
}

.bk-confirm-row span {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.bk-confirm-row strong {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
    word-break: break-word;
}

/* ─── Responsive ─── */
@media (max-width: 600px) {
    .bk-card {
        padding: 28px 24px;
    }

    .bk-calendar-card {
        padding: 24px 20px;
    }

    .bk-slots-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bk-steps {
        gap: 0;
    }

    .bk-step__label {
        display: none;
    }
}