.sdt-body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--primary) 24%, transparent), transparent 30%),
        radial-gradient(circle at top right, color-mix(in srgb, var(--secondary) 22%, transparent), transparent 34%),
        var(--gradient-bg);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
}

.sdt-shell {
    max-width: 1320px;
    margin: 0 auto;
    padding: 32px 20px 56px;
}

.sdt-hero {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.sdt-kicker {
    margin: 0 0 8px;
    color: #93c5fd;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    font-weight: 700;
}

.sdt-hero h1 {
    margin: 0;
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
}

.sdt-copy {
    margin: 10px 0 0;
    max-width: 780px;
    color: #9fb3cf;
    line-height: 1.65;
}

.sdt-hero-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.sdt-theme-box {
    display: grid;
    gap: 6px;
    min-width: 190px;
}

.sdt-theme-box label {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.sdt-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    border-radius: 14px;
    text-decoration: none;
    color: var(--text-main);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
}

.sdt-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.95fr;
    gap: 20px;
}

.sdt-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 22px;
    box-shadow: 0 22px 60px rgba(2, 6, 23, 0.34);
    backdrop-filter: blur(18px);
}

.sdt-card-head,
.sdt-custom-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.sdt-card h2,
.sdt-custom-head h3 {
    margin: 0;
    font-family: 'Outfit', sans-serif;
}

.sdt-card p,
.sdt-custom-head p {
    margin: 6px 0 0;
    color: var(--text-muted);
}

.sdt-preset-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.sdt-preset {
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    background: color-mix(in srgb, var(--bg-glass) 92%, transparent);
    padding: 16px;
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.sdt-preset.is-active {
    border-color: rgba(96, 165, 250, 0.48);
    background: color-mix(in srgb, var(--primary) 16%, var(--bg-glass) 84%);
    transform: translateY(-1px);
}

.sdt-preset strong {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
}

.sdt-preset span {
    display: block;
    margin-top: 8px;
    color: var(--text-muted);
    line-height: 1.5;
    font-size: 0.9rem;
}

.sdt-preset small {
    display: inline-flex;
    margin-top: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    font-weight: 700;
}

.sdt-toolbar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.sdt-btn {
    border: none;
    border-radius: 14px;
    padding: 12px 16px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.sdt-btn-primary {
    width: 100%;
    background: linear-gradient(135deg, #0ea5e9, #10b981);
    color: #f8fafc;
}

.sdt-btn-backup {
    width: 100%;
    margin-top: 10px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #f8fafc;
}

.sdt-btn-danger {
    width: 100%;
    background: linear-gradient(135deg, #f97316, #ef4444);
    color: #fff;
}

.sdt-btn-muted {
    background: color-mix(in srgb, var(--bg-glass) 88%, #0f172a 12%);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
}

.sdt-table-list {
    display: grid;
    gap: 12px;
    max-height: 480px;
    overflow: auto;
    padding-right: 4px;
    margin-bottom: 18px;
}

.sdt-table-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 14px;
    align-items: center;
    padding: 14px 16px;
    border-radius: 18px;
    background: color-mix(in srgb, var(--bg-glass) 92%, transparent);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(14px);
}

.sdt-table-item input {
    width: 18px;
    height: 18px;
}

.sdt-table-name {
    font-weight: 700;
    color: var(--text-main);
}

.sdt-table-meta {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.sdt-badge {
    padding: 8px 11px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary) 18%, transparent);
    color: var(--text-main);
    font-size: 0.84rem;
    font-weight: 700;
}

.sdt-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.sdt-stat {
    padding: 14px 16px;
    border-radius: 18px;
    background: color-mix(in srgb, var(--bg-glass) 94%, transparent);
    border: 1px solid var(--border-glass);
}

.sdt-stat span {
    display: block;
    color: var(--text-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sdt-stat strong {
    display: block;
    margin-top: 8px;
    font-size: 1.4rem;
    font-family: 'Outfit', sans-serif;
}

.sdt-upload {
    display: grid;
    place-items: center;
    gap: 10px;
    min-height: 160px;
    border: 1.5px dashed color-mix(in srgb, var(--primary) 55%, white 20%);
    border-radius: 22px;
    background: color-mix(in srgb, var(--bg-glass) 70%, transparent);
    cursor: pointer;
    text-align: center;
    margin-bottom: 16px;
    padding: 18px;
}

.sdt-upload input {
    display: none;
}

.sdt-upload i {
    font-size: 2rem;
    color: var(--primary);
}

.sdt-toggle {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 14px 0;
    color: var(--text-main);
}

.sdt-import-meta {
    margin: 0 0 16px;
    padding: 14px 16px;
    border-radius: 18px;
    background: color-mix(in srgb, var(--bg-glass) 92%, transparent);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    line-height: 1.6;
}

.sdt-warning {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 18px;
    background: color-mix(in srgb, var(--danger, #ef4444) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--danger, #ef4444) 32%, transparent);
    color: var(--text-main);
    line-height: 1.55;
}

.hidden {
    display: none !important;
}

@media (max-width: 1080px) {
    .sdt-grid,
    .sdt-preset-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .sdt-hero,
    .sdt-card-head,
    .sdt-custom-head {
        flex-direction: column;
    }

    .sdt-summary {
        grid-template-columns: 1fr;
    }
}