:root {
    --obd-bg: #05000a;
    --obd-panel: #0e0319;
    --obd-panel-soft: #160528;
    --obd-primary: #660099;
    --obd-primary-soft: #3d005b;
    --obd-accent: #d1b2e0;
    --obd-text: #ffffff;
    --obd-muted: #b7a4cf;
    --obd-border: #3b064f;
    --obd-radius-xl: 26px;
    --obd-radius-lg: 20px;
    --obd-radius-md: 12px;
    --obd-shadow-strong: 0 28px 80px rgba(0, 0, 0, 0.85);
    --obd-shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.75);
}

/* ROOT LAYOUT */
.obd-root {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--obd-text);
}

.obd-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.4fr);
    gap: 28px;
    padding: 28px;
    background:
        radial-gradient(circle at 0% 0%, #660099 0, transparent 52%),
        radial-gradient(circle at 100% 0%, #3d005b 0, transparent 50%),
        radial-gradient(circle at 50% 100%, #260037 0, #05000a 65%);
    border-radius: var(--obd-radius-xl);
    box-shadow: var(--obd-shadow-strong);
}

/* PANELS */
.obd-panel {
    background: radial-gradient(circle at 0 0, rgba(209, 178, 224, 0.18), transparent 55%),
                linear-gradient(150deg, var(--obd-panel) 0, var(--obd-panel-soft) 40%, #05000a 100%);
    border-radius: var(--obd-radius-lg);
    border: 1px solid rgba(109, 40, 217, 0.4);
    padding: 20px 20px 22px;
    position: relative;
    overflow: hidden;
}

.obd-panel::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 0% 0%, rgba(209, 178, 224, 0.25), transparent 60%),
        radial-gradient(circle at 100% 100%, rgba(102, 0, 153, 0.28), transparent 55%);
    opacity: 0.7;
    pointer-events: none;
}

.obd-panel > * {
    position: relative;
    z-index: 1;
}

.obd-panel-preview {
    display: flex;
    flex-direction: column;
    min-height: 440px;
}

/* TITLES */
.obd-title {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin: 0 0 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.obd-title::before {
    content: "";
    width: 11px;
    height: 11px;
    border-radius: 999px;
    background: radial-gradient(circle, #f97316, #f97316 40%, #a855f7 100%);
    box-shadow: 0 0 18px rgba(249, 115, 22, 0.9);
}

.obd-subtitle {
    font-size: 15px;
    font-weight: 500;
    margin: 0;
}

.obd-preview-hint {
    font-size: 12px;
    color: var(--obd-muted);
    margin: 3px 0 0;
}

/* FIELDS */
.obd-field {
    margin-bottom: 13px;
}

.obd-field label {
    display: block;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--obd-muted);
    margin-bottom: 5px;
}

.obd-field input[type="number"],
.obd-field input[type="text"],
.obd-field select {
    width: 100%;
    border-radius: var(--obd-radius-md);
    border: 1px solid rgba(148, 81, 224, 0.55);
    background: radial-gradient(circle at 0 0, rgba(209, 178, 224, 0.14), transparent 55%),
                #05000f;
    color: var(--obd-text);
    padding: 9px 12px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, transform 0.08s ease;
}

.obd-field input[type="number"]:focus,
.obd-field input[type="text"]:focus,
.obd-field select:focus {
    border-color: #f97316;
    box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.65);
    background: #050011;
    transform: translateY(-0.5px);
}

.obd-field input[type="color"] {
    width: 100%;
    height: 36px;
    border-radius: var(--obd-radius-md);
    border: 1px solid rgba(148, 81, 224, 0.7);
    background:
        linear-gradient(135deg, rgba(102, 0, 153, 0.8), rgba(61, 0, 91, 0.85)),
        #000000;
    cursor: pointer;
}

/* DIMENSIONS GRID */
.obd-dim-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 8px;
}

/* SIDE TABS */
.obd-side-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0 10px;
}

.obd-side-tab {
    flex: 1 1 70px;
    border-radius: 999px;
    border: 1px solid rgba(209, 178, 224, 0.45);
    padding: 7px 12px;
    background: radial-gradient(circle at 0 0, rgba(209, 178, 224, 0.1), transparent 55%);
    color: var(--obd-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease, transform 0.08s ease;
}

.obd-side-tab.active {
    background: linear-gradient(135deg, #f97316, #ec4899);
    color: #05000a;
    border-color: transparent;
    box-shadow: 0 10px 26px rgba(236, 72, 153, 0.65);
    transform: translateY(-1px);
}

/* TEXT CONTROLS */
.obd-text-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

/* HR */
.obd-sep {
    border: none;
    border-top: 1px solid rgba(148, 81, 224, 0.4);
    margin: 16px 0 14px;
}

/* BUTTONS */
.obd-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.obd-btn {
    border-radius: 999px;
    padding: 9px 20px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.obd-btn.primary {
    background: linear-gradient(130deg, #f97316, #ec4899, #a855f7);
    color: #05000a;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

.obd-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.04);
}

.obd-btn:active {
    transform: translateY(0);
}

/* HINT */
.obd-hint {
    font-size: 11px;
    color: var(--obd-muted);
}

/* PREVIEW PANEL */
.obd-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.obd-dim-label {
    font-size: 11px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(209, 178, 224, 0.55);
    background: radial-gradient(circle at 0 0, rgba(209, 178, 224, 0.22), transparent 65%),
                rgba(5, 0, 15, 0.96);
    color: var(--obd-accent);
}

/* VIEWPORT */
.obd-viewport-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 22px;
    background:
        radial-gradient(circle at 0 0, #3d005b 0, transparent 55%),
        radial-gradient(circle at 100% 0, #660099 0, transparent 60%),
        radial-gradient(circle at 50% 100%, #05000a 0, #000000 65%);
    border: 1px solid rgba(109, 40, 217, 0.55);
    padding: 10px;
    box-shadow: var(--obd-shadow-soft);
}

.obd-viewport {
    position: relative;
    width: 100%;
    height: 100%;
    max-height: 460px;
    border-radius: 18px;
    overflow: hidden;
    background: radial-gradient(circle at 50% 0, #020617 0, #000000 70%);
}

/* THREE.JS CANVAS */
.obd-viewport canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* OVERLAY ITEMS */
.obd-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.obd-overlay-item {
    position: absolute;
    min-width: 40px;
    min-height: 20px;
    cursor: move;
    pointer-events: auto;
}

.obd-overlay-item-text {
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(5, 0, 20, 0.7);
    border: 1px solid rgba(209, 178, 224, 0.6);
    color: #ffffff;
    font-size: 16px;
    backdrop-filter: blur(10px);
}

.obd-overlay-item-logo {
    max-width: 110px;
    max-height: 85px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.7);
}

/* NOTE */
.obd-note {
    margin-top: 10px;
    font-size: 11px;
    color: var(--obd-muted);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .obd-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .obd-layout {
        padding: 18px;
        border-radius: 18px;
    }

    .obd-panel {
        padding: 14px 14px 18px;
    }

    .obd-actions {
        flex-direction: column;
    }
}