/* Reference Library — Resources vault listing */

.sdc-vault-page {
    background: #f8fafc;
    font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.sdc-vault-page .sdc-vault-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.sdc-vault-hero {
    padding: 32px 0 20px;
}

.sdc-vault-hero-card {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 55%, #1a73e8 100%);
    border-radius: 18px;
    padding: 36px 40px;
    color: #fff;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.18);
}

.sdc-vault-hero-eyebrow {
    margin: 0 0 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72) !important;
}

.sdc-vault-hero-card h1 {
    font-size: clamp(1.85rem, 3.2vw, 2.4rem);
    font-weight: 600;
    margin: 0 0 12px;
    color: #fff !important;
    line-height: 1.15;
}

.sdc-vault-hero-card p {
    font-size: 15px;
    margin: 0 0 22px;
    color: rgba(255, 255, 255, 0.9) !important;
    max-width: 620px;
    line-height: 1.6;
}

.sdc-vault-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 4px;
}

.sdc-vault-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    background: #fff;
    color: #1a73e8 !important;
    border-radius: 10px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.15s, box-shadow 0.15s;
}

.sdc-vault-hero-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.sdc-vault-hero-cta--ghost {
    background: transparent;
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.sdc-vault-hero-cta--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: none;
}

.sdc-vault-hero-signed-in {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.88);
    padding: 8px 0;
}

.sdc-vault-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.sdc-vault-stat {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 12px;
    padding: 14px 16px;
    text-align: center;
}

.sdc-vault-stat-num {
    font-size: 26px;
    font-weight: 600;
    color: #fff;
    line-height: 1.2;
}

.sdc-vault-stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.78);
    margin-top: 4px;
}

.sdc-vault-library {
    padding-top: 8px;
}

.sdc-vault-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 12px;
}

.sdc-vault-toolbar h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 4px;
    color: #0f172a !important;
}

.sdc-vault-toolbar p {
    font-size: 14px;
    margin: 0;
    color: #64748b !important;
}

.sdc-vault-toolbar-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.sdc-vault-search-wrap {
    display: block;
}

.sdc-vault-search {
    padding: 11px 14px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    color: #0f172a;
    min-width: 260px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.sdc-vault-search:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

.sdc-vault-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.sdc-vault-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid #e2e8f0;
    background: #fff;
    color: #64748b;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.sdc-vault-filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 999px;
    background: #f1f5f9;
    font-size: 11px;
    font-weight: 700;
    color: #475569;
}

.sdc-vault-filter-btn:hover,
.sdc-vault-filter-active {
    background: #1a73e8;
    border-color: #1a73e8;
    color: #fff;
}

.sdc-vault-filter-btn:hover .sdc-vault-filter-count,
.sdc-vault-filter-active .sdc-vault-filter-count {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.sdc-vault-results-bar {
    margin-bottom: 16px;
    font-size: 13px;
    color: #64748b;
}

.vault-search-empty {
    text-align: center;
    padding: 40px 20px;
    color: #64748b;
    font-size: 15px;
    background: #fff;
    border: 1px dashed #e2e8f0;
    border-radius: 14px;
}

.sdc-vault-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-bottom: 48px;
}

.vault-resource-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.vault-resource-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
    border-color: #cbd5e1;
}

.vault-card-cover-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.vault-card-cover {
    position: relative;
    height: 168px;
    background: linear-gradient(145deg, #f1f5f9, #e2e8f0);
    overflow: hidden;
}

.vault-card-cover img,
.vault-card-cover .ebook-cover-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.25s ease;
}

.vault-resource-card:hover .vault-card-cover img {
    transform: scale(1.03);
}

.vault-card-file-type {
    position: absolute;
    bottom: 10px;
    left: 10px;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(15, 23, 42, 0.82);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.vault-access-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.vault-badge-free { background: #dcfce7; color: #166534; }
.vault-badge-premium { background: #dbeafe; color: #1d4ed8; }
.vault-badge-purchase { background: #fef3c7; color: #b45309; }

.vault-card-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 10px;
}

.vault-card-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    line-height: 1.35;
}

.vault-card-title a {
    color: #0f172a;
    text-decoration: none;
}

.vault-card-title a:hover {
    color: #1a73e8;
}

.vault-card-excerpt {
    font-size: 13px;
    color: #64748b;
    margin: 0;
    line-height: 1.55;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.vault-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: #94a3b8;
}

.vault-card-meta span {
    background: #f1f5f9;
    padding: 3px 8px;
    border-radius: 6px;
}

.vault-card-price {
    font-size: 18px;
    font-weight: 600;
    color: #0f172a;
}

.vault-card-no-file {
    font-size: 12px;
    color: #94a3b8;
    font-style: italic;
    padding: 9px 0;
}

.vault-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 4px;
}

.vault-btn {
    padding: 9px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: background 0.15s, color 0.15s;
}

.vault-btn-primary {
    background: #1a73e8;
    color: #fff !important;
}

.vault-btn-primary:hover {
    background: #1557b0;
}

.vault-btn-secondary {
    background: #fff;
    color: #1a73e8 !important;
    border: 1px solid #e2e8f0;
}

.vault-btn-secondary:hover {
    background: #f8fafc;
}

.vault-btn-ghost {
    background: transparent;
    color: #64748b !important;
    border: 1px solid #e2e8f0;
}

.sdc-stripe-checkout-wrap {
    display: inline-flex;
    flex-direction: column;
    align-items: stretch;
}

.sdc-stripe-checkout-wrap .sdc-stripe-checkout-error {
    margin-top: 6px;
    font-size: 12px;
    color: #b91c1c;
}

.vault-empty-state {
    text-align: center;
    padding: 56px 24px;
    background: #fff;
    border-radius: 14px;
    border: 2px dashed #e2e8f0;
}

.vault-empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.vault-empty-state h3 {
    margin: 0 0 8px;
    font-size: 20px;
    color: #0f172a !important;
}

.vault-empty-state p {
    margin-bottom: 16px;
    color: #64748b !important;
}

.sdc-vault-links {
    padding-bottom: 48px;
}

.sdc-vault-links h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 16px;
    color: #0f172a !important;
}

.vault-links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.vault-link-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    text-decoration: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.vault-link-card:hover {
    border-color: #1a73e8;
    box-shadow: 0 4px 14px rgba(26, 115, 232, 0.1);
}

.vault-link-icon {
    font-size: 22px;
}

.vault-link-title {
    font-size: 14px;
    font-weight: 600;
    color: #0f172a !important;
}

@media (max-width: 1024px) {
    .sdc-vault-grid,
    .vault-links-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sdc-vault-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .sdc-vault-container {
        padding: 0 16px;
    }

    .sdc-vault-hero-card {
        padding: 24px 20px;
    }

    .sdc-vault-grid,
    .vault-links-grid {
        grid-template-columns: 1fr;
    }

    .sdc-vault-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .sdc-vault-search {
        width: 100%;
        min-width: 0;
    }

    .sdc-vault-filters {
        width: 100%;
    }

    .sdc-vault-filter-btn {
        flex: 1;
        justify-content: center;
    }
}