/* Demo Upload Page Styles */
.demo-container {
    max-width: 900px;
    margin: 40px auto 80px auto;
}

.demo-header {
    margin-bottom: 35px;
}

.demo-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-top: 15px;
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.demo-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 20px auto;
    line-height: 1.6;
}

.upload-box {
    padding: 35px;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.demo-dropzone {
    padding: 40px 25px;
    border: 2px dashed rgba(56, 189, 248, 0.35);
    background: rgba(15, 23, 42, 0.45);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.demo-dropzone:hover, .demo-dropzone.drag-over {
    border-color: var(--accent-blue);
    background: rgba(56, 189, 248, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(56, 189, 248, 0.15);
}

.dropzone-heading {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 10px;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.dropzone-formats {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 15px;
}

.demo-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 650px) {
    .demo-meta-grid {
        grid-template-columns: 1fr;
    }
}

.selected-files-section {
    border-top: 1px solid var(--border-subtle);
    padding-top: 20px;
}

.selected-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.selected-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.text-danger {
    color: #f87171 !important;
    font-size: 0.85rem;
}

/* Progress bar */
.upload-progress-wrapper {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-subtle);
    padding: 16px;
    border-radius: var(--radius-md);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.progress-track {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #38bdf8, #818cf8, #c084fc);
    border-radius: 999px;
    transition: width 0.2s ease;
}

/* Success Card */
.success-box {
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.success-icon-badge {
    font-size: 3rem;
    margin-bottom: 15px;
}

.success-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.success-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.submission-meta-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 30px;
}

.meta-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.meta-pill strong {
    color: var(--accent-cyan);
}

.results-heading {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: left;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 10px;
}

.uploaded-files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
    margin-bottom: 35px;
    text-align: left;
}

.media-result-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.media-result-card:hover {
    border-color: rgba(56, 189, 248, 0.4);
    transform: translateY(-2px);
}

.media-preview-container {
    width: 100%;
    height: 160px;
    background: #000;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-preview-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-result-body {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.media-result-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.media-result-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.media-result-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.media-result-actions .btn {
    flex: 1;
    font-size: 0.75rem;
    padding: 6px 10px;
    text-align: center;
}

.success-footer-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    border-top: 1px solid var(--border-subtle);
    padding-top: 25px;
}