/* =====================================================
 * Нативная модалка записи на приём
 * Использует токены из style.css
 * Заменяет embedded-виджет Renovatio.
 * =====================================================*/

.bk-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.55);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    transition: opacity 180ms ease-out;
}
.bk-backdrop.is-open {
    display: flex;
    opacity: 1;
}

.bk-dialog {
    background: #fff;
    border-radius: 14px;
    width: 100%;
    max-width: 540px;
    max-height: calc(100vh - 32px);
    overflow-y: auto;
    position: relative;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
    transform: translateY(12px) scale(0.98);
    transition: transform 220ms ease-out;
}
.bk-backdrop.is-open .bk-dialog {
    transform: translateY(0) scale(1);
}

.bk-dialog[data-accent="helicarb"] { --bk-accent: var(--helicarb); --bk-accent-bg: var(--helicarb-bg); }
.bk-dialog[data-accent="lactotest"] { --bk-accent: var(--lactose); --bk-accent-bg: var(--lactose-bg); }
.bk-dialog[data-accent="sibrtest"] { --bk-accent: var(--sibr); --bk-accent-bg: var(--sibr-bg); }
.bk-dialog { --bk-accent: var(--primary); --bk-accent-bg: var(--primary-light); }

.bk-header {
    padding: 20px 52px 14px 22px;
    border-bottom: 1px solid var(--border);
}
.bk-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
}
.bk-subtitle {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Заголовок для flow A (врач): фото + имя + специальность */
.bk-header-doctor {
    display: flex;
    align-items: center;
    gap: 14px;
}
.bk-header-photo {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--primary-light);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
}
.bk-header-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}
.bk-header-photo svg {
    width: 36px;
    height: 36px;
    opacity: 0.4;
}
.bk-header-info {
    flex: 1;
    min-width: 0;
}
.bk-header-info .bk-title {
    font-size: 17px;
}
.bk-header-specialty {
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    margin-top: 2px;
}

/* Заголовок для flow B (услуга): коммерческое название + официальное */
.bk-header-service .bk-title {
    font-size: 17px;
}
.bk-header-service .bk-subtitle {
    margin-top: 6px;
}

.bk-close {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 140ms ease-out, color 140ms ease-out;
}
.bk-close:hover { background: #f3f4f6; color: var(--text); }
.bk-close:focus-visible { outline: 2px solid var(--bk-accent); outline-offset: 2px; }
.bk-close svg { width: 20px; height: 20px; }

.bk-body {
    padding: 18px 22px 22px;
}

.bk-section + .bk-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.bk-section-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 10px;
}

/* Step 1: visit type toggle (primary / repeat) */
.bk-visit-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.bk-visit-btn {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    text-align: left;
    transition: border-color 140ms ease-out, background 140ms ease-out;
}
.bk-visit-btn:hover { border-color: var(--bk-accent); }
.bk-visit-btn[aria-pressed="true"] {
    border-color: var(--bk-accent);
    background: var(--bk-accent-bg);
}
.bk-visit-btn-title {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--text);
}
.bk-visit-btn-price {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Calendar */
.bk-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}
.bk-day {
    aspect-ratio: 1;
    min-height: 44px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4px 2px;
    transition: border-color 140ms, background 140ms, color 140ms;
}
.bk-day-dow {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
}
.bk-day:hover:not(:disabled) {
    border-color: var(--bk-accent);
}
.bk-day[aria-pressed="true"] {
    background: var(--bk-accent);
    color: #fff;
    border-color: var(--bk-accent);
}
.bk-day[aria-pressed="true"] .bk-day-dow { color: rgba(255, 255, 255, 0.75); }
.bk-day:disabled {
    background: #f9fafb;
    color: #d1d5db;
    cursor: not-allowed;
}
.bk-day:disabled .bk-day-dow { color: #e5e7eb; }
.bk-day:focus-visible { outline: 2px solid var(--bk-accent); outline-offset: 2px; }

/* Times */
.bk-times {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.bk-time {
    min-height: 44px;
    padding: 10px 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    transition: border-color 140ms, background 140ms, color 140ms;
}
.bk-time:hover { border-color: var(--bk-accent); }
.bk-time[aria-pressed="true"] {
    background: var(--bk-accent);
    color: #fff;
    border-color: var(--bk-accent);
}
.bk-time:focus-visible { outline: 2px solid var(--bk-accent); outline-offset: 2px; }

/* Fields */
.bk-field {
    display: block;
    margin-bottom: 12px;
}
.bk-field-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.bk-field-label .bk-required { color: #dc2626; }
.bk-field-label .bk-optional { color: var(--text-secondary); font-weight: 400; font-size: 12px; }
.bk-input, .bk-textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 14px;
    font-family: inherit;
    font-size: 15px;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 140ms;
}
.bk-input:focus, .bk-textarea:focus {
    outline: none;
    border-color: var(--bk-accent);
    box-shadow: 0 0 0 3px var(--bk-accent-bg);
}
.bk-input[aria-invalid="true"], .bk-textarea[aria-invalid="true"] {
    border-color: #dc2626;
}
.bk-textarea {
    min-height: 72px;
    resize: vertical;
    font-family: inherit;
}
.bk-field-error {
    display: none;
    margin-top: 4px;
    font-size: 12px;
    color: #dc2626;
}
.bk-field[data-has-error="true"] .bk-field-error {
    display: block;
}

/* Row of fields side-by-side on larger screens */
.bk-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 480px) {
    .bk-row {
        grid-template-columns: 1fr;
    }
}

/* Consents */
.bk-consents {
    margin-top: 16px;
}
.bk-consent {
    display: flex;
    gap: 10px;
    padding: 12px;
    background: #f9fafb;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
}
.bk-consent:hover { border-color: var(--bk-accent); }
.bk-consent input[type="checkbox"] {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin: 2px 0 0;
    accent-color: var(--bk-accent);
    cursor: pointer;
}
.bk-consent-text {
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-secondary);
}
.bk-consent-text a {
    color: var(--bk-accent);
    text-decoration: underline;
}

/* Submit button */
.bk-submit {
    width: 100%;
    min-height: 48px;
    margin-top: 16px;
    padding: 12px 24px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: var(--bk-accent);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 140ms, transform 100ms;
}
.bk-submit:hover:not(:disabled) { filter: brightness(0.92); }
.bk-submit:active:not(:disabled) { transform: scale(0.98); }
.bk-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.bk-submit:focus-visible { outline: 2px solid var(--bk-accent); outline-offset: 2px; }

/* Spinner */
.bk-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: bk-spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}
@keyframes bk-spin {
    to { transform: rotate(360deg); }
}

/* State messages */
.bk-status {
    padding: 14px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
    margin-top: 12px;
}
.bk-status--info {
    background: #f3f4f6;
    color: var(--text-secondary);
}
.bk-status--error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
.bk-status--success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.bk-status a { color: inherit; text-decoration: underline; }

/* Skeleton while loading slots */
.bk-skeleton {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}
.bk-skeleton > div {
    aspect-ratio: 1;
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    border-radius: 8px;
    animation: bk-shimmer 1.2s ease-in-out infinite;
}
@keyframes bk-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .bk-backdrop,
    .bk-dialog,
    .bk-day,
    .bk-time,
    .bk-visit-btn,
    .bk-close,
    .bk-input,
    .bk-textarea,
    .bk-submit {
        transition: none !important;
    }
    .bk-spinner,
    .bk-skeleton > div {
        animation: none !important;
    }
}

/* Mobile: full-screen modal */
@media (max-width: 640px) {
    .bk-backdrop {
        padding: 0;
        align-items: stretch;
    }
    .bk-dialog {
        max-width: none;
        max-height: none;
        height: 100%;
        border-radius: 0;
        transform: translateY(16px);
    }
    .bk-backdrop.is-open .bk-dialog {
        transform: translateY(0);
    }
}

/* Picker: выбор врача/услуги когда клик пришёл с кнопки без контекста */
.bk-picker-group + .bk-picker-group {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}
.bk-picker-group-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 10px;
}
.bk-picker-list {
    display: grid;
    gap: 8px;
}
.bk-picker-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: border-color 140ms, background 140ms, transform 100ms;
}
.bk-picker-item--with-photo {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}
.bk-picker-item:hover {
    border-color: var(--bk-accent);
    background: var(--bk-accent-bg);
}
.bk-picker-item:active {
    transform: scale(0.99);
}
.bk-picker-item:focus-visible {
    outline: 2px solid var(--bk-accent);
    outline-offset: 2px;
}
.bk-picker-avatar {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 10px;
    overflow: hidden;
    object-fit: cover;
    object-position: top center;
    background: var(--primary-light);
    border: 1px solid var(--border);
    display: block;
}
.bk-picker-avatar--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}
.bk-picker-avatar--empty svg {
    width: 26px;
    height: 26px;
    opacity: 0.4;
}
.bk-picker-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}
.bk-picker-item-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}
.bk-picker-item-official {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 3px;
    line-height: 1.4;
}
.bk-picker-item-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
    line-height: 1.4;
}
/* Услуги с акцентным цветом — лёгкий маркер слева */
.bk-picker-item[data-accent="helicarb"] { border-left: 3px solid var(--helicarb); }
.bk-picker-item[data-accent="lactotest"] { border-left: 3px solid var(--lactose); }
.bk-picker-item[data-accent="sibrtest"] { border-left: 3px solid var(--sibr); }

/* ===== Doctor select (service flow) ===== */
.bk-doctor-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.bk-doctor-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: #fff;
    border: 1.5px solid #e5e7eb;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: all 0.15s;
}
.bk-doctor-btn:hover {
    border-color: #44692b;
    background: #f0fdf4;
}
.bk-doctor-btn[aria-pressed="true"] {
    border-color: #44692b;
    background: #e8f5e9;
    box-shadow: 0 0 0 2px rgba(68,105,43,0.2);
}
.bk-doc-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.bk-doc-avatar--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
}
.bk-doc-avatar--empty svg {
    width: 24px;
    height: 24px;
    opacity: 0.3;
}
.bk-doc-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}
.bk-doc-name {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.2;
}
.bk-doc-meta {
    font-size: 12px;
    color: #6b7280;
    font-weight: 400;
    line-height: 1.3;
}

/* ===== Path selection cards (Step 1) ===== */
.bk-path-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 16px;
}
.bk-path-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: #fff;
    border: 1.5px solid #e5e7eb;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: all 0.15s;
}
.bk-path-card:hover {
    border-color: #44692b;
    background: #f0fdf4;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(68,105,43,0.1);
}
.bk-path-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    stroke: #44692b;
}
.bk-path-title {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 2px;
}
.bk-path-desc {
    display: block;
    font-size: 13px;
    color: #6b7280;
}

@media (max-width: 480px) {
    .bk-path-card { padding: 16px; gap: 12px; }
    .bk-path-icon { width: 36px; height: 36px; }
    .bk-path-title { font-size: 15px; }
}

/* ===== Top bar (back + title + close) ===== */
.bk-topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px 12px;
    border-bottom: 1px solid #f3f4f6;
}
.bk-topbar .bk-title {
    flex: 1;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    color: #1a1a1a;
}
.bk-back {
    width: 36px;
    height: 36px;
    border: none;
    background: #f3f4f6;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    flex-shrink: 0;
}
.bk-back svg { width: 20px; height: 20px; }
.bk-back:hover { background: #e5e7eb; }

/* ===== Steps ===== */
.bk-step { padding: 20px; }

/* ===== Breath test cards ===== */
.bk-breath-card {
    display: block;
    width: 100%;
    padding: 16px 18px;
    margin-bottom: 10px;
    background: #fff;
    border: 1.5px solid #e5e7eb;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: all 0.15s;
}
.bk-breath-card:hover { border-color: #44692b; background: #f0fdf4; }
.bk-breath-name { font-size: 17px; font-weight: 700; color: #1a1a1a; margin-bottom: 4px; }
.bk-breath-desc { font-size: 13px; color: #6b7280; line-height: 1.4; margin-bottom: 6px; }
.bk-breath-price { font-size: 16px; font-weight: 700; color: #44692b; }

/* ===== Service chips (selected extras) ===== */
.bk-selected-extras { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.bk-service-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 10px; background: #e8f5e9; color: #44692b;
    border-radius: 8px; font-size: 13px; font-weight: 600;
}
.bk-chip-remove {
    border: none; background: none; color: #44692b; cursor: pointer;
    font-size: 16px; font-weight: 700; padding: 0 2px; line-height: 1;
}
.bk-chip-remove:hover { color: #dc2626; }

/* ===== Service filter ===== */
.bk-service-filter {
    width: 100%; padding: 10px 14px; font-size: 14px; font-family: inherit;
    border: 1.5px solid #e5e7eb; border-radius: 8px; margin-bottom: 12px;
    outline: none; transition: border-color 0.15s;
}
.bk-service-filter:focus { border-color: #44692b; }

/* ===== Extra service items ===== */
.bk-extras-list { max-height: 200px; overflow-y: auto; }
.bk-extra-item {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; padding: 10px 12px; border: none; background: none;
    cursor: pointer; font-family: inherit; text-align: left;
    border-bottom: 1px solid #f3f4f6; transition: background 0.1s;
}
.bk-extra-item:hover { background: #f0fdf4; }
.bk-extra-name { font-size: 14px; color: #1a1a1a; }
.bk-extra-price { font-size: 13px; color: #6b7280; white-space: nowrap; }

/* ===== Next button ===== */
.bk-next-btn {
    display: block; width: 100%; padding: 14px; margin-top: 20px;
    background: #44692b; color: #fff; border: none; border-radius: 10px;
    font-size: 15px; font-weight: 700; cursor: pointer; font-family: inherit;
    transition: background 0.15s;
}
.bk-next-btn:hover { background: #2e4a1c; }

/* ===== Summary card ===== */
.bk-summary { margin-bottom: 20px; }
.bk-summary-card {
    background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 10px;
    padding: 16px; display: flex; flex-direction: column; gap: 10px;
}
.bk-summary-row {
    display: flex; align-items: center; gap: 12px;
}
.bk-summary-label { font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.03em; }
.bk-summary-value { font-size: 15px; font-weight: 600; color: #1a1a1a; }

/* Mobile: tighter spacing on small screens */
@media (max-width: 480px) {
    .bk-topbar { padding: 12px 14px 10px; }
    .bk-step { padding: 16px 14px; }
    .bk-calendar { gap: 4px; }
    .bk-day { min-height: 40px; font-size: 12px; }
    .bk-times { gap: 5px; }
    .bk-time { padding: 8px 12px; font-size: 13px; min-height: 40px; }
    .bk-summary-card { padding: 12px; }
    .bk-breath-card { padding: 14px; }
    .bk-next-btn { padding: 12px; font-size: 14px; }
    .bk-submit { padding: 10px 20px; font-size: 14px; min-height: 44px; }
}

/* Hidden utility */
.bk-hidden {
    display: none !important;
}