.cad-page-body {
        --cad-content-bg: #0a0f14;
        --cad-content-text: #edf3f8;
        --cad-muted: #95a4b4;
        --cad-border: #1e2a36;
        --cad-panel-bg: #111920;
        --cad-panel-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
        --cad-empty-bg: #0d1319;
        --cad-empty-border: #1e2a36;
        --cad-piece-preview-bg: linear-gradient(180deg, #111920 0%, #19222b 100%);
        --cad-piece-box-bg: #151d25;
        --cad-piece-box-label: #9aabbb;
        --cad-note-bg: #0f151c;
        --cad-note-border: #1e2a36;
        --cad-note-text: #b8c6d5;
        --cad-input-bg: #0a0f14;
        --cad-input-border: #1e2a36;
        --cad-placeholder: #728295;
        --cad-code-bg: #151d25;
        --cad-success-bg: #13311d;
        --cad-success-border: #265137;
        --cad-success-text: #bfe9cb;
        --cad-accent: #38bdf8;
        --cad-hero-bg: linear-gradient(135deg, #06090d 0%, #0a0f14 55%, #111920 100%);
        --cad-hero-card-bg: rgba(17, 25, 32, 0.9);
        --cad-hero-card-border: rgba(56, 189, 248, 0.18);
        --cad-hero-text: #edf3f8;
        --cad-hero-muted: rgba(237,243,248,0.78);
        --cad-overlay-bg: #111920;
        --cad-overlay-border: #1e2a36;
    }

    /* dark theme is default */

    .cad-page-container {
        width: 100%;
        max-width: none;
        padding-left: 32px;
        padding-right: 32px;
    }

    .cad-main-row {
        align-items: flex-start;
    }

    .cad-sidebar-col .cad-panel:first-child,
    .cad-workarea-col .cad-panel:first-child {
        margin-top: 0 !important;
    }

    .cad-sidebar-col .cad-panel:first-child .card-body,
    .cad-workarea-col .cad-panel:first-child .card-body {
        padding-top: 1.25rem;
    }

    .cad-sidebar-col .cad-panel:first-child .card-body > h3:first-child,
    .cad-workarea-col .cad-panel:first-child .card-body > .d-flex:first-child {
        margin-top: 0 !important;
    }

    .cad-sticky-stack {
        position: sticky;
        top: 110px;
    }

    .cad-hero-section {
        background: var(--cad-hero-bg) !important;
        transition: background 0.2s ease;
    }

    .cad-content-section {
        background: var(--cad-content-bg) !important;
        color: var(--cad-content-text);
        transition: background 0.2s ease, color 0.2s ease;
    }

    .cad-hero-card {
        background: var(--cad-hero-card-bg);
        border: 1px solid var(--cad-hero-card-border);
        border-radius: 18px;
        padding: 20px;
        backdrop-filter: blur(10px);
    }

    .cad-hero-item {
        display: flex;
        flex-direction: column;
        padding: 10px 0;
        color: var(--cad-hero-text);
    }

    .cad-hero-item + .cad-hero-item {
        border-top: 1px solid var(--cad-hero-card-border);
    }

    .cad-hero-item span {
        color: var(--cad-hero-muted);
    }

    .cad-panel {
        border: 0;
        border-radius: 18px;
        background: var(--cad-panel-bg);
        color: var(--cad-content-text);
        box-shadow: var(--cad-panel-shadow);
        transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    }

    .cad-empty-state {
        border: 1px dashed var(--cad-empty-border);
        border-radius: 16px;
        background: var(--cad-empty-bg);
        padding: 48px 24px;
        text-align: center;
        color: var(--cad-muted);
    }

    .cad-piece-list {
        display: grid;
        gap: 18px;
    }

    .cad-piece-card {
        border: 1px solid var(--cad-border);
        border-radius: 18px;
        overflow: hidden;
        background: var(--cad-panel-bg);
        color: var(--cad-content-text);
    }

    .cad-piece-card-inner {
        display: grid;
        grid-template-columns: 270px minmax(0, 1fr);
        gap: 0;
    }

    .cad-piece-preview {
        background: var(--cad-piece-preview-bg);
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 210px;
        padding: 10px;
        border-right: 1px solid var(--cad-border);
    }

    .cad-piece-preview img {
        width: 100%;
        height: 100%;
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
        cursor: zoom-in;
    }

    #preview-overlay {
        display: none;
        position: fixed;
        z-index: 999999;
        pointer-events: none;
        border: 2px solid var(--cad-overlay-border);
        border-radius: 4px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.4);
        background: var(--cad-overlay-bg);
        max-width: 320px;
        max-height: 320px;
    }

    #preview-overlay img {
        display: block;
        width: 320px;
        height: 320px;
        object-fit: contain;
    }

    .cad-piece-content {
        padding: 16px 18px;
    }

    .cad-piece-top {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        align-items: flex-start;
        margin-bottom: 12px;
    }

    .cad-piece-top h5 {
        margin-bottom: 6px;
        word-break: break-word;
    }

    .cad-piece-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: flex-end;
    }

    .cad-piece-stats {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px 10px;
        margin-bottom: 10px;
    }

    .cad-piece-box {
        background: var(--cad-piece-box-bg);
        border-radius: 12px;
        padding: 9px 11px;
    }

    .cad-piece-box span {
        display: block;
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        color: var(--cad-piece-box-label);
        margin-bottom: 3px;
        line-height: 1.1;
    }

    .cad-piece-box strong {
        color: var(--cad-content-text);
        font-size: 14px;
        line-height: 1.15;
    }

    .cad-summary-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        color: var(--cad-muted);
    }

    .cad-summary-row-total {
        font-size: 18px;
        color: var(--cad-content-text);
        border-top: 1px solid var(--cad-border);
        margin-top: 8px;
        padding-top: 14px;
    }

    .cad-note {
        background: var(--cad-note-bg);
        border: 1px solid var(--cad-note-border);
        border-radius: 12px;
        padding: 12px 14px;
        color: var(--cad-note-text);
        font-size: 14px;
    }

    .cad-loading {
        opacity: 0.68;
        pointer-events: none;
    }

    .cad-success-box {
        background: var(--cad-success-bg);
        border: 1px solid var(--cad-success-border);
        border-radius: 14px;
        padding: 18px;
        color: var(--cad-success-text);
    }

    .cad-piece-editor {
        border-top: 1px solid var(--cad-border);
        margin-top: 12px;
        padding-top: 12px;
    }

    .cad-piece-editor-title {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        margin-bottom: 10px;
    }

    .cad-piece-editor-title span {
        color: var(--cad-muted);
        font-size: 13px;
    }

    .cad-piece-editor .form-group label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .cad-piece-editor .form-control {
        height: auto;
        min-height: 42px;
    }

    .cad-piece-editor-actions {
        display: flex;
        justify-content: flex-end;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 4px;
    }

    .cad-page-body .cad-panel h3,
    .cad-page-body .cad-panel h4,
    .cad-page-body .cad-panel h5,
    .cad-page-body .cad-panel label,
    .cad-page-body .cad-workarea-col h3,
    .cad-page-body .cad-workarea-col h5,
    .cad-page-body .cad-sidebar-col h3,
    .cad-page-body .cad-sidebar-col h4,
    .cad-page-body .cad-sidebar-col h5 {
        color: var(--cad-content-text);
    }

    .cad-page-body .cad-panel .text-muted,
    .cad-page-body .cad-workarea-col .text-muted,
    .cad-page-body .cad-sidebar-col .text-muted,
    .cad-page-body small.text-muted {
        color: var(--cad-muted) !important;
    }

    .cad-page-body .form-control {
        background: var(--cad-input-bg);
        border-color: var(--cad-input-border);
        color: var(--cad-content-text);
    }

    .cad-page-body .form-control:focus {
        background: var(--cad-input-bg);
        color: var(--cad-content-text);
        border-color: var(--cad-accent);
        box-shadow: 0 0 0 0.2rem rgba(62, 123, 250, 0.15);
    }

    .cad-page-body .form-control::placeholder {
        color: var(--cad-placeholder);
    }

    .cad-page-body select.form-control option {
        background: var(--cad-input-bg);
        color: var(--cad-content-text);
    }

    .cad-page-body hr {
        border-top-color: var(--cad-border);
    }

    .cad-page-body code {
        color: var(--cad-accent);
        background: var(--cad-code-bg);
        padding: 2px 6px;
        border-radius: 6px;
    }

    @media (max-width: 991px) {
        .cad-page-container {
            padding-left: 18px;
            padding-right: 18px;
        }

        .cad-sticky-stack {
            position: static;
        }

        .cad-piece-card-inner {
            grid-template-columns: 1fr;
        }

        .cad-piece-preview {
            border-right: 0;
            border-bottom: 1px solid #e9edf2;
        }
    }

    @media (max-width: 575px) {
        .cad-piece-stats {
            grid-template-columns: 1fr;
        }
    }

    @media (min-width: 1400px) {
        .cad-piece-stats {
            grid-template-columns: repeat(5, minmax(0, 1fr));
        }
    }

    @media (min-width: 992px) and (max-width: 1399px) {
        .cad-piece-stats {
            grid-template-columns: repeat(4, minmax(0, 1fr));
        }
    }
</style>

/* Responsive override for new site */
@media (max-width: 991px) {
    .cad-main-row {
        grid-template-columns: 1fr !important;
    }
}


/* ─── Polished form controls (matches POLO/SiteTRLS style) ─── */

.cad-page-body *,
.cad-page-body *::before,
.cad-page-body *::after {
    box-sizing: border-box;
}

.cad-page-body .form-control,
.cad-page-body input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
.cad-page-body select,
.cad-page-body textarea {
    display: block;
    width: 100%;
    max-width: 100%;
    min-height: 44px;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-family: inherit;
    line-height: 1.5;
    color: var(--cad-content-text);
    background-color: var(--cad-input-bg);
    border: 1px solid var(--cad-input-border);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.cad-page-body select {
    appearance: auto;
    -webkit-appearance: auto;
    -moz-appearance: auto;
    padding-right: 32px;
    cursor: pointer;
}

.cad-page-body textarea {
    min-height: 88px;
    resize: vertical;
    line-height: 1.6;
}

.cad-page-body input[type="file"] {
    display: block;
    width: 100%;
    max-width: 100%;
    min-height: 44px;
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--cad-muted);
    background-color: var(--cad-input-bg);
    border: 1px solid var(--cad-input-border);
    border-radius: 8px;
    cursor: pointer;
}

.cad-page-body input[type="file"]::file-selector-button {
    padding: 6px 16px;
    margin-right: 12px;
    background: var(--cad-accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s ease;
}

.cad-page-body input[type="file"]::file-selector-button:hover {
    opacity: 0.88;
}

.cad-page-body .form-control:focus,
.cad-page-body input:not([type="checkbox"]):not([type="radio"]):focus,
.cad-page-body select:focus,
.cad-page-body textarea:focus {
    border-color: var(--cad-accent);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.cad-page-body .form-control::placeholder,
.cad-page-body input::placeholder,
.cad-page-body textarea::placeholder {
    color: var(--cad-placeholder);
    opacity: 1;
}

.cad-page-body select option {
    background: var(--cad-input-bg);
    color: var(--cad-content-text);
}

.cad-page-body label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cad-content-text);
    margin-bottom: 6px;
}

.cad-page-body small {
    display: block;
    font-size: 0.78rem;
    color: var(--cad-muted);
    margin-top: 4px;
    line-height: 1.4;
}

/* ─── Buttons ─── */

.cad-page-body .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    min-height: 44px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.4;
}

.cad-page-body .btn-primary {
    background: var(--cad-accent);
    color: #fff;
    border-color: var(--cad-accent);
}

.cad-page-body .btn-primary:hover {
    opacity: 0.9;
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
}

.cad-page-body .btn-dark {
    background: #ffffff;
    color: #111;
    border-color: #ffffff;
}

.cad-page-body .btn-dark:hover {
    background: #f0f0f0;
}

.cad-page-body .btn-dark:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.cad-page-body .btn-outline-primary {
    background: transparent;
    color: var(--cad-accent);
    border-color: rgba(56, 189, 248, 0.4);
}

.cad-page-body .btn-outline-primary:hover {
    background: rgba(56, 189, 248, 0.08);
    border-color: var(--cad-accent);
}

.cad-page-body .btn-outline-danger {
    background: transparent;
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.4);
}

.cad-page-body .btn-outline-danger:hover {
    background: rgba(248, 113, 113, 0.08);
    border-color: #f87171;
}

.cad-page-body .btn-light {
    background: var(--cad-piece-box-bg);
    color: var(--cad-muted);
    border-color: var(--cad-border);
}

.cad-page-body .btn-light:hover {
    background: var(--cad-border);
    color: var(--cad-content-text);
}

.cad-page-body .btn-block { width: 100%; }
.cad-page-body .btn-sm {
    padding: 6px 14px;
    min-height: 32px;
    font-size: 0.8rem;
}

/* ─── Form layout helpers ─── */

.cad-page-body .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.cad-page-body .form-group {
    margin-bottom: 16px;
}

.cad-page-body .form-group:last-child {
    margin-bottom: 0;
}

/* ─── Panel & overflow ─── */

.cad-page-body .cad-panel,
.cad-page-body form {
    max-width: 100%;
    overflow: hidden;
}

/* ─── Responsive ─── */

@media (max-width: 991px) {
    .cad-main-row {
        grid-template-columns: 1fr !important;
    }
}

/* ─── Feedback messages ─── */

.cad-page-body #cad-feedback {
    max-height: 160px;
    overflow-y: auto;
    border-radius: 12px;
    padding: 14px 18px;
    font-size: 0.85rem;
    line-height: 1.6;
    position: relative;
    word-break: break-word;
}

.cad-page-body .alert-success {
    background: var(--cad-success-bg);
    border: 1px solid var(--cad-success-border);
    color: var(--cad-success-text);
}

.cad-page-body .alert-danger {
    background: rgba(180, 40, 50, 0.12);
    border: 1px solid rgba(220, 60, 60, 0.3);
    color: #fca5a5;
}