/**
 * BuyerModal Component Styles
 * Design tokens: 4px border-radius, locale-aware heading/body fonts, clean B2B shadows
 */

.buyer-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal-backdrop, 2000);
    background-color: var(--overlay-backdrop-bg, rgba(15, 23, 42, 0.22));
    backdrop-filter: blur(var(--overlay-backdrop-blur, 1px));
    -webkit-backdrop-filter: blur(var(--overlay-backdrop-blur, 1px));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
}

.buyer-modal-backdrop.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Quick authentication dialog: match the storefront modal surface and tokens. */
.quick-login-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal-backdrop, 2000);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.quick-login-overlay.is-open {
    display: flex;
}

.quick-login-overlay .quick-login-backdrop {
    position: absolute;
    inset: 0;
    background: var(--overlay-backdrop-bg, rgba(15, 23, 42, 0.22));
    backdrop-filter: blur(var(--overlay-backdrop-blur, 1px));
    -webkit-backdrop-filter: blur(var(--overlay-backdrop-blur, 1px));
}

.quick-login-overlay .quick-login-card {
    position: relative;
    z-index: 1;
    width: min(100%, 460px);
    max-height: min(88vh, 760px);
    overflow-y: auto;
    padding: 24px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--sf-radius, 4px);
    background: #fff;
    box-shadow: 0 20px 48px -10px rgba(15, 23, 42, 0.22);
    color: var(--sf-ink, #222);
    font-family: var(--font-body, 'DM Sans', sans-serif);
    overscroll-behavior: contain;
}

.quick-login-overlay .quick-login-close {
    width: 28px;
    height: 28px;
    border-radius: var(--sf-radius, 4px);
    transition: background-color 0.15s ease, color 0.15s ease;
}

.quick-login-overlay .quick-login-close:focus-visible {
    outline: none;
    box-shadow: none;
}

.quick-login-overlay .quick-login-card input {
    font-family: var(--font-body, 'DM Sans', sans-serif);
}

.quick-login-overlay .quick-login-card input:focus,
.quick-login-overlay .quick-login-card input:focus-visible {
    border-color: var(--sf-orange, #ff5000);
    outline: none;
    box-shadow: none;
}

.quick-login-overlay .quick-login-card h2 {
    font-family: var(--font-heading, 'Outfit', sans-serif);
}

#modal-unlock-balance .buyer-modal-title svg {
    flex: 0 0 auto;
}

#modal-unlock-balance .unlock-balance-description {
    margin: 0 0 16px;
    color: #475569;
    font-size: 13px;
    line-height: 1.55;
}

#modal-unlock-balance .unlock-balance-field label {
    display: block;
    margin-bottom: 6px;
    color: #374151;
    font-size: 12px;
    font-weight: 600;
}

#modal-unlock-balance .unlock-balance-field label span {
    color: #ef4444;
}

#modal-unlock-balance .unlock-balance-field input {
    width: 100%;
    min-height: 42px;
    padding: 9px 12px;
    border: 1px solid #cbd5e1;
    border-radius: var(--sf-radius, 4px);
    font: inherit;
}

#modal-unlock-balance .unlock-balance-field input:focus,
#modal-unlock-balance .unlock-balance-field input:focus-visible {
    border-color: var(--sf-orange, #ff5000);
    outline: none;
    box-shadow: none;
}

#modal-unlock-balance .unlock-balance-forgot {
    display: flex;
    justify-content: flex-end;
    margin: 8px 0 14px;
}

#modal-unlock-balance .unlock-balance-forgot button,
#modal-unlock-balance .unlock-balance-password-link a {
    color: var(--sf-orange, #ff5000);
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    text-decoration: underline;
}

#modal-unlock-balance .unlock-balance-forgot button {
    padding: 0;
    border: 0;
    background: transparent;
}

#modal-unlock-balance #unlock-balance-error:not([hidden]) {
    margin-bottom: 14px;
    padding: 10px 12px;
    border: 1px solid #fecaca;
    border-radius: var(--sf-radius, 4px);
    background: #fef2f2;
    color: #b91c1c;
    font-size: 12.5px;
}

#modal-unlock-balance .unlock-balance-password-link {
    margin-top: 6px;
}

#modal-unlock-balance button:focus-visible {
    outline: none;
    box-shadow: none;
}

/* Modal Dialog Box */
.buyer-modal-dialog {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: #ffffff;
    border-radius: 4px;
    box-shadow: 0 20px 48px -10px rgba(15, 23, 42, 0.22), 0 0 0 1px rgba(15, 23, 42, 0.08);
    overflow: hidden;
    transform: scale(0.94) translateY(6px);
    opacity: 0;
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.18s ease;
    display: flex;
    flex-direction: column;
}

.buyer-modal-backdrop.is-open .buyer-modal-dialog {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Sizes */
.buyer-modal-dialog.modal-sm { max-width: 380px; }
.buyer-modal-dialog.modal-md { max-width: 460px; }
.buyer-modal-dialog.modal-lg { max-width: 600px; }

/* Drag handle bar for Mobile Bottom Sheet */
.buyer-modal-drag-handle {
    display: none;
    width: 38px;
    height: 4px;
    background-color: #cbd5e1;
    border-radius: 9999px;
    margin: 8px auto 2px auto;
    cursor: grab;
    flex-shrink: 0;
    transition: background-color 0.15s ease;
}

.buyer-modal-drag-handle:active {
    cursor: grabbing;
    background-color: #94a3b8;
}

/* Header */
.buyer-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid #f1f5f9;
}

.buyer-modal-title {
    margin: 0;
    font-family: var(--font-heading, 'Outfit', sans-serif);
    font-size: 16px;
    font-weight: 500;
    color: #1e293b;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 8px;
}

.buyer-modal-close-btn {
    appearance: none;
    border: none;
    background: transparent;
    color: #94a3b8;
    width: 28px;
    height: 28px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: background-color 0.15s, color 0.15s;
}

.buyer-modal-close-btn:hover {
    background-color: #f1f5f9;
    color: #334155;
}

.buyer-modal-close-btn:focus-visible {
    outline: none;
    outline-offset: 1px;
}

/* Body */
.buyer-modal-body {
    padding: 20px;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 14px;
    line-height: 1.55;
    color: #475569;
    max-height: calc(85vh - 120px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb-bg, #d1d5db) transparent;
}
.buyer-modal-body::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.buyer-modal-body::-webkit-scrollbar-track {
    background: transparent;
}
.buyer-modal-body::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-bg, #d1d5db);
    border-radius: var(--scrollbar-radius, 9999px);
    transition: background-color 0.15s ease;
}
.buyer-modal-body::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb-hover-bg, #9ca3af);
}
.buyer-modal-body::-webkit-scrollbar-thumb:active {
    background-color: var(--scrollbar-thumb-active-bg, #ff5000);
}

/* Confirm layout: Icon + Message */
.buyer-modal-confirm-layout {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.buyer-modal-icon-badge {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.buyer-modal-icon-badge.type-danger {
    background-color: #fef2f2;
    color: #ef4444;
    border: 1px solid #fee2e2;
}

.buyer-modal-icon-badge.type-warning {
    background-color: #fffbeb;
    color: #d97706;
    border: 1px solid #fef3c7;
}

.buyer-modal-icon-badge.type-info {
    background-color: #eff6ff;
    color: #2563eb;
    border: 1px solid #dbeafe;
}

.buyer-modal-icon-badge.type-success {
    background-color: #f0fdf4;
    color: #16a34a;
    border: 1px solid #dcfce7;
}

.buyer-modal-confirm-content {
    flex: 1;
    min-width: 0;
}

.buyer-modal-confirm-title {
    font-family: var(--font-heading, 'Outfit', sans-serif);
    font-size: 15px;
    font-weight: 500;
    color: #0f172a;
    margin-bottom: 6px;
}

.buyer-modal-confirm-desc {
    color: #475569;
    font-size: 13.5px;
    line-height: 1.5;
    margin: 0;
}

/* Footer */
.buyer-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    background-color: #f8fafc;
    border-top: 1px solid #f1f5f9;
}

/* Buttons */
.buyer-modal-btn {
    height: 36px;
    padding: 0 16px;
    border-radius: 4px;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
    user-select: none;
    text-decoration: none;
}

/* Cancel Button */
.buyer-modal-btn.btn-cancel {
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
    color: #475569;
}

.buyer-modal-btn.btn-cancel:hover {
    background-color: #f1f5f9;
    border-color: #94a3b8;
    color: #0f172a;
}

/* Confirm Buttons by Type */
.buyer-modal-btn.btn-confirm.type-danger {
    background-color: #ef4444;
    border: 1px solid #ef4444;
    color: #ffffff;
}

.buyer-modal-btn.btn-confirm.type-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.3);
}

.buyer-modal-btn.btn-confirm.type-warning {
    background-color: #f59e0b;
    border: 1px solid #f59e0b;
    color: #ffffff;
}

.buyer-modal-btn.btn-confirm.type-warning:hover {
    background-color: #d97706;
    border-color: #d97706;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}

.buyer-modal-btn.btn-confirm.type-primary,
.buyer-modal-btn.btn-confirm.type-info {
    background-color: #ff5000;
    border: 1px solid #ff5000;
    color: #ffffff;
}

.buyer-modal-btn.btn-confirm.type-primary:hover,
.buyer-modal-btn.btn-confirm.type-info:hover {
    background-color: #e04600;
    border-color: #e04600;
    box-shadow: 0 2px 6px rgba(255, 80, 0, 0.3);
}

.buyer-modal-btn.btn-confirm.type-success {
    background-color: #16a34a;
    border: 1px solid #16a34a;
    color: #ffffff;
}

.buyer-modal-btn.btn-confirm.type-success:hover {
    background-color: #15803d;
    border-color: #15803d;
    box-shadow: 0 2px 6px rgba(22, 163, 74, 0.3);
}

.buyer-modal-btn:focus-visible {
    outline: none;
    outline-offset: 1px;
}

/* Prevent body scroll when modal open */
body.buyer-modal-locked {
    overflow: hidden !important;
}

/* ==========================================================================
   MOBILE BOTTOM SHEET STANDARDIZATION (<= 768px)
   Transforms BuyerModal, Account Modals, Quick Login & Checkout dialogs into
   native, touch-friendly bottom sheets.
   ========================================================================== */
@media (max-width: 768px) {
    /* 1. Backdrop positioning: Anchor all overlays to bottom edge */
    .buyer-modal-backdrop,
    .account-modal-overlay,
    .quick-login-overlay,
    .checkout-modal-backdrop {
        align-items: flex-end !important;
        justify-content: center !important;
        padding: 0 !important;
    }

    /* 2. Drag Handle visible on mobile */
    .buyer-modal-drag-handle {
        display: block !important;
    }

    /* 3. Sheet container standardization */
    .buyer-modal-dialog,
    .account-modal-box,
    .quick-login-card,
    .checkout-modal,
    .buyer-sheet {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        border-radius: 16px 16px 0 0 !important;
        border-bottom-left-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
        box-shadow: 0 -8px 32px rgba(15, 23, 42, 0.22), 0 -1px 0 rgba(15, 23, 42, 0.08) !important;
        max-height: 88vh !important;
        padding-bottom: max(16px, env(safe-area-inset-bottom)) !important;
        touch-action: pan-y;
        overscroll-behavior-y: contain;
    }

    /* Animated entry for BuyerModal dialog */
    .buyer-modal-dialog {
        transform: translateY(100%) !important;
        transition: transform 0.26s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease !important;
    }

    .buyer-modal-backdrop.is-open .buyer-modal-dialog {
        transform: translateY(0) !important;
    }

    /* Animated entry for other modal classes */
    .account-modal-box,
    .quick-login-card,
    .checkout-modal {
        animation: sheetSlideUpMobile 0.26s cubic-bezier(0.16, 1, 0.3, 1) !important;
    }

    /* Scrollable body within safe area */
    .buyer-modal-body,
    .account-modal-body {
        max-height: calc(88vh - 130px) !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }

    /* Quick login card mobile adjustments */
    .quick-login-card {
        padding: 16px 20px max(24px, env(safe-area-inset-bottom)) 20px !important;
    }

    .quick-login-overlay {
        padding: 0 !important;
    }

    /* Modal header on mobile */
    .buyer-modal-header,
    .account-modal-header {
        padding: 12px 20px 14px 20px !important;
    }

    /* Bottom footer action buttons */
    .buyer-modal-footer {
        padding: 12px 20px !important;
        gap: 8px !important;
    }

    .buyer-modal-footer .buyer-modal-btn {
        flex: 1 !important;
        height: 42px !important;
        font-size: 14px !important;
    }
}

@keyframes sheetSlideUpMobile {
    from {
        transform: translateY(100%);
        opacity: 0.7;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .buyer-modal-backdrop,
    .buyer-modal-dialog,
    .quick-login-card,
    .account-modal-box,
    .checkout-modal {
        animation: none !important;
        transition: none !important;
    }
}