/**
 * SPCB Modal Foundation
 *
 * Shared modal shell for checkout and quantity selector entrypoints.
 */

:root {
    --spcb-modal-radius: 16px;
    --spcb-modal-shadow: 0 24px 72px rgba(15, 23, 42, 0.22);
    --spcb-modal-border: rgba(15, 23, 42, 0.08);
    --spcb-modal-overlay: rgba(15, 23, 42, 0.52);
    --spcb-modal-surface: #ffffff;
    --spcb-modal-text: #1f2937;
    --spcb-modal-muted: #6b7280;
    --spcb-modal-soft: #f8fafc;
    --spcb-modal-soft-border: #e5e7eb;
}

body.spcb-modal-open {
    overflow: hidden;
}

.spcb-ui-modal,
.spcb-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.spcb-ui-modal[hidden],
.spcb-modal[hidden] {
    display: none !important;
}

.spcb-ui-modal__backdrop,
.spcb-modal-overlay {
    position: absolute;
    inset: 0;
    background: var(--spcb-modal-overlay);
    backdrop-filter: blur(3px);
}

.spcb-ui-modal__viewport {
    position: relative;
    z-index: 1;
    width: 100%;
    display: flex;
    justify-content: center;
}

.spcb-ui-modal__surface,
.spcb-modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: min(100%, 460px);
    max-height: min(90vh, 880px);
    background: var(--spcb-modal-surface);
    color: var(--spcb-modal-text);
    border: 1px solid var(--spcb-modal-border);
    border-radius: var(--spcb-modal-radius);
    box-shadow: var(--spcb-modal-shadow);
    overflow: hidden;
    animation: spcb-modal-appear 180ms ease-out;
}

.spcb-ui-modal--size-compact .spcb-ui-modal__surface,
.spcb-ui-modal--size-compact .spcb-modal-content {
    width: min(100%, 380px);
}

.spcb-ui-modal--size-default .spcb-ui-modal__surface,
.spcb-ui-modal--size-default .spcb-modal-content {
    width: min(100%, 460px);
}

.spcb-ui-modal--size-wide .spcb-ui-modal__surface,
.spcb-ui-modal--size-wide .spcb-modal-content {
    width: min(100%, 520px);
}

.spcb-ui-modal__header,
.spcb-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--spcb-modal-soft-border);
    flex-shrink: 0;
}

.spcb-ui-modal__title,
.spcb-modal-header h3 {
    margin: 0;
    font-size: 20px;
    line-height: 1.25;
    font-weight: 700;
    color: var(--spcb-modal-text);
}

.spcb-ui-modal__close,
.spcb-modal-close {
    appearance: none;
    border: none;
    background: transparent;
    color: #6b7280;
    font-size: 28px;
    line-height: 1;
    padding: 0;
    cursor: pointer;
    transition: color 0.2s ease;
}

.spcb-ui-modal__close:hover,
.spcb-modal-close:hover {
    color: #111827;
}

.spcb-ui-modal__close:focus-visible,
.spcb-modal-close:focus-visible {
    outline: 2px solid var(--spcb-accent, #008060);
    outline-offset: 4px;
    border-radius: 8px;
}

.spcb-ui-modal__body,
.spcb-modal-body {
    padding: 24px;
    overflow-y: auto;
    overflow-x: hidden;
    color: var(--spcb-modal-text);
    min-height: 0;
    flex: 1;
}

.spcb-ui-modal__body p,
.spcb-modal-body p {
    margin: 0 0 12px;
    line-height: 1.6;
}

.spcb-ui-modal__body p:last-child,
.spcb-modal-body p:last-child {
    margin-bottom: 0;
}

.spcb-ui-modal__footer,
.spcb-modal-footer {
    display: flex;
    gap: 12px;
    padding: 18px 24px 24px;
    border-top: 1px solid var(--spcb-modal-soft-border);
    flex-shrink: 0;
}

.spcb-ui-button,
.spcb-modal-footer button,
.spcb-modal-footer a {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 12px 18px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.spcb-ui-button:hover,
.spcb-modal-footer button:hover,
.spcb-modal-footer a:hover {
    transform: translateY(-1px);
}

.spcb-ui-button:focus-visible,
.spcb-modal-footer button:focus-visible,
.spcb-modal-footer a:focus-visible {
    outline: 2px solid var(--spcb-accent, #008060);
    outline-offset: 2px;
}

.spcb-ui-button__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.spcb-ui-button--primary,
.spcb-modal-confirm,
.spcb-modal-button,
.spcb-registration-confirm,
.spcb-session-btn-primary {
    background: var(--spcb-accent, #008060);
    color: #fff;
    border-color: var(--spcb-accent, #008060);
}

.spcb-ui-button--primary:hover,
.spcb-modal-confirm:hover,
.spcb-modal-button:hover,
.spcb-registration-confirm:hover,
.spcb-session-btn-primary:hover {
    background: var(--spcb-accent-hover, #006e52);
    border-color: var(--spcb-accent-hover, #006e52);
    color: #fff;
}

.spcb-ui-button--secondary,
.spcb-modal-cancel,
.spcb-modal-button-secondary,
.spcb-registration-cancel,
.spcb-session-btn-secondary {
    background: #f8fafc;
    color: #374151;
    border-color: #d1d5db;
}

.spcb-ui-button--secondary:hover,
.spcb-modal-cancel:hover,
.spcb-modal-button-secondary:hover,
.spcb-registration-cancel:hover,
.spcb-session-btn-secondary:hover {
    background: #eef2f7;
    border-color: #c7d2de;
    color: #1f2937;
}

.spcb-ui-button--danger,
.spcb-modal-delete {
    background: #d63638;
    color: #fff;
    border-color: #d63638;
}

.spcb-ui-button--danger:hover,
.spcb-modal-delete:hover {
    background: #b32d2e;
    border-color: #b32d2e;
    color: #fff;
}

.spcb-modal-description {
    margin: 0 0 20px;
    color: var(--spcb-modal-muted);
    font-size: 14px;
}

.spcb-modal-field {
    margin-bottom: 16px;
}

.spcb-modal-field label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--spcb-modal-text);
}

.spcb-modal-field label .required {
    color: #d63638;
}

.spcb-modal-field label .optional {
    color: var(--spcb-modal-muted);
}

.spcb-modal-field input,
.spcb-modal-field select,
.spcb-modal-field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 15px;
    color: var(--spcb-modal-text);
    background: #fff;
    box-sizing: border-box;
}

.spcb-modal-field input:focus,
.spcb-modal-field select:focus,
.spcb-modal-field textarea:focus {
    outline: none;
    border-color: var(--spcb-accent, #008060);
    box-shadow: 0 0 0 3px rgba(0, 128, 96, 0.12);
}

.spcb-modal-field input.spcb-field-error,
.spcb-modal-field select.spcb-field-error,
.spcb-modal-field textarea.spcb-field-error {
    border-color: #d63638;
    box-shadow: 0 0 0 3px rgba(214, 54, 56, 0.12);
}

.spcb-ui-card {
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid #dbe6f4;
    background: linear-gradient(180deg, #f8fbff 0%, #f2f7fc 100%);
}

.spcb-ui-card--warning {
    background: linear-gradient(180deg, #fff7d6 0%, #fff1c0 100%);
    border-color: #f6c445;
}

.spcb-ui-card--danger {
    background: linear-gradient(180deg, #fff1f2 0%, #ffe4e6 100%);
    border-color: #fecdd3;
}

.spcb-ui-note {
    font-size: 13px;
    color: var(--spcb-modal-muted);
}

.spcb-info-modal-heading {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 20px;
    font-size: 22px;
    line-height: 1.2;
    font-weight: 700;
    color: var(--spcb-modal-text);
}

.spcb-validation-modal .spcb-modal-content {
    width: min(100%, 460px);
    max-width: none;
}

.spcb-validation-modal .spcb-modal-body {
    text-align: center;
}

.spcb-validation-modal .spcb-modal-footer {
    justify-content: center;
}

.spcb-validation-modal-icon {
    color: #d63638;
    margin-bottom: 8px;
}

.spcb-validation-modal-field {
    margin-bottom: 8px;
    font-size: 16px;
    color: #991b1b;
}

.spcb-validation-modal-message {
    font-size: 14px;
    color: var(--spcb-modal-muted);
}

.spcb-validation-modal-button {
    min-width: 180px;
}

.spcb-session-modal .spcb-modal-content {
    width: min(100%, 460px);
    max-width: none;
}

.spcb-session-modal .spcb-modal-header {
    justify-content: center;
}

.spcb-session-modal .spcb-modal-body {
    text-align: center;
}

.spcb-session-modal .spcb-modal-footer {
    flex-direction: column;
}

.spcb-session-modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    color: #dc2626;
}

.spcb-session-modal-icon svg {
    width: 100%;
    height: 100%;
}

.spcb-session-modal-message {
    font-size: 15px;
    color: var(--spcb-modal-muted);
}

.spcb-session-modal-help {
    margin-top: 18px;
    font-size: 13px;
    color: #94a3b8;
}

.spcb-session-modal-help a {
    color: var(--spcb-accent, #008060);
    text-decoration: none;
}

.spcb-session-modal-help a:hover {
    text-decoration: underline;
}

.spcb-session-btn svg {
    width: 20px;
    height: 20px;
}


@keyframes spcb-modal-appear {
    from {
        opacity: 0;
        transform: scale(0.97) translateY(12px);
    }

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

@media (max-width: 600px) {
    .spcb-ui-modal,
    .spcb-modal {
        padding: 16px;
    }

    .spcb-ui-modal__surface,
    .spcb-modal-content {
        width: min(100%, 100%);
        max-height: min(86vh, 820px);
        border-radius: 18px;
    }

    .spcb-ui-modal__header,
    .spcb-modal-header,
    .spcb-ui-modal__body,
    .spcb-modal-body,
    .spcb-ui-modal__footer,
    .spcb-modal-footer {
        padding-left: 18px;
        padding-right: 18px;
    }

    .spcb-ui-modal__footer,
    .spcb-modal-footer {
        flex-direction: column-reverse;
    }

    .spcb-session-modal .spcb-modal-header,
    .spcb-session-modal .spcb-modal-body,
    .spcb-session-modal .spcb-modal-footer {
        padding-left: 24px;
        padding-right: 24px;
    }

    .spcb-info-modal-heading {
        font-size: 20px;
    }

    .spcb-ui-button,
    .spcb-modal-footer button,
    .spcb-modal-footer a {
        width: 100%;
    }
}