.ai3d-upload-slot-media,
.ai3d-upload-slot-empty-state {
    border-radius: 16px;
}

.ai3d-upload-slot.is-drop-target .ai3d-upload-slot-empty-state {
    border-color: rgba(122, 177, 255, 0.34);
}

.ai3d-upload-slot.is-dragover .ai3d-upload-slot-empty-state,
.ai3d-upload-slot-empty-state.is-dragover {
    border-color: rgba(101, 191, 255, 0.62);
    background:
        radial-gradient(circle at top center, rgba(80, 194, 255, 0.2), transparent 56%),
        rgba(255, 255, 255, 0.04);
    box-shadow:
        inset 0 0 0 1px rgba(116, 200, 255, 0.3),
        0 0 0 2px rgba(56, 142, 255, 0.14);
    transform: translateY(-1px);
}

.ai3d-upload-slot.is-dragover .ai3d-upload-slot-empty-state strong,
.ai3d-upload-slot-empty-state.is-dragover strong {
    color: #f3f8ff;
}

.ai3d-upload-primary-card,
.ai3d-upload-item,
.ai3d-upload-slot {
    border-radius: 14px;
}

.ai3d-upload-actions {
    margin-top: 12px;
}

.ai3d-upload-action {
    min-height: 44px;
    height: auto;
    border-radius: 999px;
    background: rgba(18, 25, 38, 0.96);
    border-color: rgba(149, 171, 215, 0.16);
    color: #d8e5fb;
    font-size: 14px;
}

.ai3d-select,
.ai3d-input {
    height: 46px;
    border-radius: 14px;
    border-color: rgba(152, 172, 212, 0.14);
    background: linear-gradient(180deg, rgba(15, 20, 30, 0.98), rgba(10, 14, 22, 0.98));
    color: #edf3ff;
}

.ai3d-help {
    margin-top: 8px;
    color: #7e8cab;
    font-size: 12px;
    line-height: 1.65;
}

.ai3d-check {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 0 14px;
    border-radius: 14px;
    border: 1px solid rgba(152, 172, 212, 0.14);
    background: linear-gradient(180deg, rgba(15, 20, 30, 0.98), rgba(10, 14, 22, 0.98));
}

.ai3d-generate {
    margin-top: 16px;
    min-height: 54px;
    height: auto;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(90deg, #2961ff 0%, #2f9bff 50%, #69d4ff 100%);
    box-shadow: 0 18px 34px rgba(35, 94, 223, 0.24);
}

.ai3d-job {
    margin-top: 12px;
    min-height: 90px;
    background: linear-gradient(180deg, rgba(11, 17, 27, 0.92), rgba(7, 11, 18, 0.92));
}

.ai3d-right {
    align-self: stretch;
    min-height: var(--ai3d-workspace-height, calc(100vh - 140px));
    height: auto;
    padding: 16px;
    border-radius: 28px;
    background:
        radial-gradient(circle at 18% 16%, rgba(69, 117, 255, 0.22), transparent 32%),
        radial-gradient(circle at 82% 10%, rgba(77, 214, 255, 0.14), transparent 30%),
        linear-gradient(180deg, #0b1018 0%, #06080d 100%);
    border-color: rgba(140, 164, 211, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 34px 68px rgba(0, 0, 0, 0.34);
}

.ai3d-preview-wrap {
    min-height: calc(var(--ai3d-workspace-height, calc(100vh - 140px)) - 32px);
    padding: 24px;
    border-radius: 26px;
}

.ai3d-preview-head {
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}

.ai3d-preview-copy {
    max-width: 920px;
}

.ai3d-preview-head-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    min-width: min(360px, 34%);
}

.ai3d-preview-head-metric {
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: linear-gradient(180deg, rgba(14, 20, 32, 0.94), rgba(8, 12, 20, 0.94));
    box-shadow: inset 0 0 0 1px rgba(86, 113, 162, 0.08);
}

.ai3d-preview-head-metric-kicker {
    display: block;
    margin-bottom: 8px;
    color: #8fa6d2;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.ai3d-preview-head-metric strong {
    display: block;
    color: #f0f5ff;
    font-size: 16px;
    line-height: 1.35;
    font-weight: 600;
}

.ai3d-preview-head-metric em {
    display: block;
    margin-top: 6px;
    color: #8b9ab7;
    font-size: 12px;
    font-style: normal;
    line-height: 1.6;
}

.ai3d-preview-stage {
    min-height: 760px;
    padding: 18px;
    border-radius: 26px;
}

.ai3d-preview-stage-topbar {
    padding: 4px 6px 16px;
}

.ai3d-preview-stage-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 16px;
    align-items: stretch;
    padding: 18px 0 14px;
}

.ai3d-preview-stage-viewport {
    min-height: 620px;
    border-radius: 24px;
}

.ai3d-preview-viewport-card {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 4;
    width: min(290px, calc(100% - 36px));
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(145, 175, 230, 0.16);
    background: linear-gradient(180deg, rgba(11, 16, 27, 0.88), rgba(8, 12, 20, 0.78));
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.24);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    pointer-events: none;
}

.ai3d-preview-viewport-card-kicker {
    color: #86a4dc;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.ai3d-preview-viewport-card-title {
    margin-top: 8px;
    color: #f3f7ff;
    font-size: 17px;
    line-height: 1.35;
    font-weight: 600;
}

.ai3d-preview-viewport-card p {
    margin: 8px 0 0;
    color: #a4b3cf;
    font-size: 12px;
    line-height: 1.75;
}