:root {
    --usb-black: #0a0a0b;
    --usb-white: #ffffff;
    --usb-grey: #f4f4f6;
    --usb-border: #e4e4e8;
    --usb-muted: #6b6b75;
    --usb-accent: #4c9b58;
    --usb-radius: 14px;
    --usb-radius-sm: 9px;
    --usb-font: 'Poppins', Arial, sans-serif;
}

#usb_app,
#usb_app * {
    box-sizing: border-box;
}

#usb_app {
    max-width: 1120px;
    margin: 24px auto;
    color: var(--usb-black);
    font-family: var(--usb-font);
}

.usb_shell {
    background: var(--usb-white);
    border: 1px solid var(--usb-border);
    border-radius: 24px;
    overflow: hidden;
}

.usb_header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 40px;
    border-bottom: 1px solid var(--usb-border);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
}

.usb_header_brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
}

.usb_header_logo_text {
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.usb_header_badge {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: var(--usb-grey);
    color: var(--usb-muted);
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid var(--usb-border);
}

.usb_progress_wrap {
    background: var(--usb-white);
    padding: 0 40px 16px;
    border-bottom: 1px solid var(--usb-border);
}

.usb_progress_steps {
    display: flex;
    align-items: center;
    padding: 16px 0 14px;
    gap: 0;
    overflow-x: auto;
}

.usb_ps {
    display: flex;
    align-items: center;
    gap: 7px;
    flex: 1;
    min-width: fit-content;
    white-space: nowrap;
    font-size: 0.75rem;
    color: var(--usb-muted);
    transition: color 0.2s;
}

.usb_ps.active {
    color: var(--usb-black);
    font-weight: 600;
}

.usb_ps_dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    border: 1.5px solid var(--usb-border);
    color: var(--usb-muted);
    background: var(--usb-white);
}

.usb_ps.active .usb_ps_dot {
    border-color: var(--usb-black);
    background: var(--usb-black);
    color: var(--usb-white);
}

.usb_ps.done .usb_ps_dot {
    background: var(--usb-grey);
    color: var(--usb-muted);
}

.usb_ps_conn {
    flex: 1;
    height: 1px;
    background: var(--usb-border);
    margin: 0 6px;
    max-width: 32px;
}

#usb_progress {
    height: 2px;
    background: var(--usb-border);
    border-radius: 999px;
    overflow: hidden;
}

#usb_progress_bar {
    height: 100%;
    width: 0;
    background: var(--usb-black);
    border-radius: 999px;
    transition: width 0.35s ease;
}

.usb_main {
    padding: 52px 40px 24px;
}

.usb_step {
    display: none;
    max-width: 760px;
    animation: usb-fade-in 0.25s ease;
}

.usb_step.active {
    display: block;
}

@keyframes usb-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.usb_step_label {
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--usb-muted);
    margin-bottom: 8px;
}

.usb_step_title {
    margin: 0 0 6px;
    font-weight: 800;
    font-size: clamp(1.7rem, 4vw, 2.35rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--usb-black);
}

.usb_step_subtitle,
.usb_note,
.usb_empty {
    margin: 0 0 28px;
    color: var(--usb-muted);
    font-size: 0.88rem;
    line-height: 1.65;
}

.usb_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.usb_item {
    position: relative;
    border: 1.5px solid var(--usb-border);
    border-radius: var(--usb-radius);
    padding: 18px 16px;
    background: var(--usb-white);
    cursor: pointer;
    transition: all 0.18s;
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: 600;
}

.usb_item:hover {
    border-color: #b0b0b8;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.usb_item.selected {
    border-color: var(--usb-black);
    background: #fafafa;
}

.usb_card_item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 22px 26px;
    min-height: 220px;
    border-radius: 10px;
}

.usb_card_top {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.usb_card_badge {
    font-size: 0.95rem;
    font-weight: 700;
    color: #444;
}

.usb_card_title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--usb-black);
}

.usb_card_desc {
    font-size: 0.9rem;
    line-height: 1.55;
    color: #555;
}

.usb_card_bottom {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.usb_card_meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #555;
}

.usb_card_meta_muted {
    color: #8d7f6f;
}

.usb_card_meta_icon {
    font-size: 1rem;
    line-height: 1;
}

.usb_card_price {
    font-size: 0.95rem;
    font-weight: 700;
    color: #a29281;
    white-space: nowrap;
}

.usb_card_select {
    margin-top: 8px;
    text-align: center;
    font-size: 0.95rem;
    color: #4a4a4a;
}

.usb_item.usb_card_item.selected {
    border-color: var(--usb-black);
    box-shadow: 0 0 0 2px rgba(10,10,11,0.08);
    background: #fafafa;
}

.usb_item.selected::after {
    content: "✓";
    position: absolute;
    top: 12px;
    right: 12px;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--usb-black);
    color: var(--usb-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

.usb_date_wrap {
    max-width: 420px;
}

.usb_datepicker,
#usb_fields input[type="text"],
#usb_fields select,
#usb_fields textarea,
#usb_fields input[type="file"],
#usb_client_fields input[type="text"],
#usb_client_fields input[type="email"],
#usb_client_fields textarea {
    width: 100%;
    background: var(--usb-white);
    border: 1.5px solid var(--usb-border);
    border-radius: var(--usb-radius-sm);
    padding: 13px 14px;
    color: var(--usb-black);
    font-family: var(--usb-font);
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    -webkit-appearance: none;
}

.usb_datepicker:focus,
#usb_fields input[type="text"]:focus,
#usb_fields select:focus,
#usb_fields textarea:focus,
#usb_client_fields input[type="text"]:focus,
#usb_client_fields input[type="email"]:focus,
#usb_client_fields textarea:focus {
    border-color: var(--usb-black);
    box-shadow: 0 0 0 3px rgba(10,10,11,0.06);
}

#usb_fields,
#usb_client_fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.usb_field_row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.usb_field_row_full {
    grid-column: 1 / -1;
}

.usb_field_row label {
    font-size: 0.77rem;
    font-weight: 500;
    color: var(--usb-muted);
}

#usb_fields textarea,
#usb_client_fields textarea {
    min-height: 110px;
    resize: vertical;
}

#usb_client_fields input[readonly] {
    background: #f8f8f8;
    color: var(--usb-muted);
    cursor: not-allowed;
}

.usb_required {
    color: #d92d20;
}

.usb_times_grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.usb_confirm_card {
    background: var(--usb-white);
    border: 1px solid var(--usb-border);
    border-radius: var(--usb-radius);
    overflow: hidden;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.usb_review_cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.usb_review_card {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--usb-border);
}

.usb_review_card:nth-child(odd) {
    border-right: 1px solid var(--usb-border);
}

.usb_review_label {
    color: var(--usb-muted);
    font-size: 0.83rem;
}

.usb_review_value {
    color: var(--usb-black);
    font-size: 0.83rem;
    text-align: right;
}

.usb_review_section {
    padding: 20px;
}

.usb_review_section h4 {
    margin: 0 0 12px;
    font-size: 0.95rem;
}

.usb_review_list_item {
    font-size: 0.84rem;
    color: var(--usb-black);
    line-height: 1.6;
}

.usb_nav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 0 40px 40px;
}

.usb_nav button,
#usb_confirm,
.usb_button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 12px 24px;
    border-radius: var(--usb-radius-sm);
    font-size: 0.87rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.17s;
}

#usb_prev,
.usb_button_light {
    background: transparent;
    color: var(--usb-muted);
    border: 1px solid var(--usb-border);
}

#usb_prev:hover,
.usb_button_light:hover {
    color: var(--usb-black);
    border-color: #b0b0b8;
}

#usb_next,
.usb_button {
    background: var(--usb-black);
    color: var(--usb-white);
}

#usb_next:hover,
.usb_button:hover,
#usb_confirm:hover {
    background: #2a2a30;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(10,10,11,0.15);
}

#usb_confirm {
    margin-top: 18px;
    background: var(--usb-black);
    color: var(--usb-white);
    min-width: 220px;
}

#usb_next:disabled,
#usb_confirm:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#usb_booking_feedback {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 14px;
    display: none;
    font-size: 14px;
}

#usb_booking_feedback.error,
#usb_booking_feedback.success {
    display: block;
}

#usb_booking_feedback.error {
    background: #fff1f2;
    color: #b42318;
    border: 1px solid #fecdd3;
}

#usb_booking_feedback.success {
    background: #ecfdf3;
    color: #027a48;
    border: 1px solid #abefc6;
}

.is-hidden {
    display: none !important;
}

#usb_loader {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.7);
    z-index: 99999;
}

.usb_spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 46px;
    height: 46px;
    margin: -23px 0 0 -23px;
    border: 3px solid #e5e7eb;
    border-top-color: var(--usb-black);
    border-radius: 50%;
    animation: usb-spin 0.8s linear infinite;
}

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

.ui-datepicker {
    z-index: 999999 !important;
    background: #fff;
    border: 1px solid var(--usb-border);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    padding: 10px;
    font-family: var(--usb-font);
}

.ui-datepicker .ui-datepicker-header {
    background: transparent;
    border: none;
}

.ui-datepicker .ui-state-default {
    background: transparent;
    border: 1px solid transparent;
    text-align: center;
    border-radius: 8px;
}

.ui-datepicker .ui-state-active {
    background: var(--usb-black);
    color: #fff;
}

.ui-datepicker .ui-state-highlight {
    background: var(--usb-grey);
    color: var(--usb-black);
    border-color: var(--usb-border);
}

@media (max-width: 768px) {
    .usb_header,
    .usb_progress_wrap,
    .usb_main,
    .usb_nav {
        padding-left: 16px;
        padding-right: 16px;
    }

    #usb_fields,
    #usb_client_fields,
    .usb_review_cards {
        grid-template-columns: 1fr;
    }

    .usb_review_card:nth-child(odd) {
        border-right: none;
    }

    .usb_progress_steps {
        gap: 0;
    }

    .usb_ps_text {
        display: none;
    }

    .usb_ps_conn {
        max-width: 16px;
    }

    .usb_grid,
    .usb_times_grid {
        grid-template-columns: 1fr;
    }
}


.usb_show_more {
    display: inline;
    margin-left: 6px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #a49686;
    font: inherit;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}

.usb_show_more:hover {
    color: var(--usb-black);
    text-decoration: underline;
}

body.usb_modal_open {
    overflow: hidden;
}

.usb_modal {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 99999;
}

.usb_modal.active {
    display: block;
}

.usb_modal_overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 11, 0.48);
}

.usb_modal_dialog {
    position: relative;
    z-index: 1;
    width: min(720px, calc(100vw - 32px));
    max-height: calc(100vh - 48px);
    overflow: auto;
    margin: 24px auto;
    background: var(--usb-white);
    border-radius: 18px;
    padding: 28px 28px 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.usb_modal_close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border: 1px solid var(--usb-border);
    border-radius: 999px;
    background: var(--usb-white);
    color: var(--usb-black);
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
}

.usb_modal_title {
    margin: 0 36px 16px 0;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--usb-black);
}

.usb_modal_content,
.usb_modal_content p,
.usb_modal_content li {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #444;
}

.usb_modal_content p,
.usb_modal_content ul,
.usb_modal_content ol {
    margin: 0 0 14px;
}

.usb_modal_content ul,
.usb_modal_content ol {
    padding-left: 22px;
}


.usb_addons_list {
    display: grid;
    gap: 16px;
}

.usb_addon_item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 22px 24px;
    border: 1px solid var(--usb-border);
    background: var(--usb-white);
    cursor: pointer;
    transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
}

.usb_addon_item:hover {
    border-color: #b0b0b8;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.usb_addon_item.selected {
    background: #fafafa;
    border-color: var(--usb-black);
}

.usb_addon_main {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    min-width: 0;
}

.usb_addon_icon {
    font-size: 2rem;
    line-height: 1;
    opacity: 0.55;
    flex-shrink: 0;
}

.usb_addon_copy {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.usb_addon_title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--usb-black);
}

.usb_addon_desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #555;
}

.usb_addon_price {
    font-size: 0.95rem;
    font-weight: 700;
    color: #a29281;
}

.usb_addon_check_wrap {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.usb_addon_checkbox {
    width: 28px;
    height: 28px;
    accent-color: var(--usb-black);
    cursor: pointer;
}

@media (max-width: 768px) {
    .usb_addon_item {
        padding: 18px;
    }

    .usb_addon_icon {
        font-size: 1.7rem;
    }
}


.usb_review_totals {
    border-top: 1px solid var(--usb-border);
    display: grid;
    gap: 10px;
}

.usb_review_total_row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.95rem;
    color: var(--usb-black);
}

.usb_review_total_row_grand {
    padding-top: 10px;
    border-top: 1px solid var(--usb-border);
    font-size: 1.02rem;
    font-weight: 700;
}

#usb_times.usb_grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}