/* ========================================
   TEA AI Tournament Studio - AI Engine UI
   Phase 3: AI Screenshot Engine & OCR System
   ======================================== */

/* ---------- Provider Selector ---------- */
.provider-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

.provider-card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.provider-card:hover {
    border-color: var(--border-default);
    transform: translateY(-2px);
}

.provider-card.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
}

.provider-card.disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.provider-card-name {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.provider-card-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.provider-card-check {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    border: 2px solid var(--border-strong);
}

.provider-card.active .provider-card-check {
    border-color: var(--color-primary);
    background: var(--color-primary);
}

.provider-badge-soon {
    display: inline-block;
    font-size: var(--text-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: rgba(160, 160, 176, 0.15);
    color: var(--text-secondary);
}

/* ---------- API Key Field ---------- */
.api-key-field {
    position: relative;
}

.api-key-field .form-input {
    padding-right: 44px;
    font-family: monospace;
}

.api-key-toggle {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

.api-key-toggle:hover {
    color: var(--text-primary);
}

/* ---------- Upload Dropzone ---------- */
.dropzone {
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-10) var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-elevated);
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--color-primary);
    background: rgba(255, 107, 0, 0.05);
}

.dropzone-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    color: var(--text-muted);
}

.dropzone-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.dropzone-hint {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.screenshot-previews {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-5);
}

.screenshot-preview {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-default);
    background: var(--bg-surface);
}

.screenshot-preview img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block;
}

.screenshot-preview-remove {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    background: rgba(10, 10, 15, 0.75);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screenshot-preview-remove:hover {
    background: var(--color-danger);
}

.screenshot-preview-name {
    padding: var(--space-2);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- Processing Stepper ---------- */
.ai-stepper {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin: var(--space-6) 0;
}

.ai-step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-muted);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
}

.ai-step.active {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: rgba(255, 107, 0, 0.08);
}

.ai-step.done {
    color: var(--color-success);
    border-color: transparent;
}

.ai-step-spinner {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    border-top-color: transparent;
    animation: aiSpin 0.7s linear infinite;
}

.ai-step-time {
    font-variant-numeric: tabular-nums;
    font-size: var(--text-xs);
    opacity: 0.85;
    padding-left: var(--space-2);
    border-left: 1px solid currentColor;
}

.ai-live {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin: calc(var(--space-3) * -1) 0 var(--space-4);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
    font-size: var(--text-sm);
}

.ai-live-total {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-primary);
}

.ai-live-text {
    color: var(--text-secondary, inherit);
}

@keyframes aiSpin {
    to { transform: rotate(360deg); }
}

/* ---------- Confidence Badge ---------- */
.confidence-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
}

.confidence-high { background: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.confidence-medium { background: rgba(245, 158, 11, 0.15); color: var(--color-warning); }
.confidence-low { background: rgba(239, 68, 68, 0.15); color: var(--color-danger); }

/* ---------- Review Table ---------- */
.review-table-container {
    overflow-x: auto;
}

.review-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.review-table th {
    text-align: left;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: var(--space-3);
    border-bottom: 1px solid var(--border-default);
    white-space: nowrap;
}

.review-table td {
    padding: var(--space-2);
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

.review-table input.form-input {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    min-width: 90px;
}

.review-table input.review-input-name {
    min-width: 140px;
}

.review-row-unmatched {
    background: rgba(245, 158, 11, 0.05);
}

.match-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.match-pill-matched { background: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.match-pill-unmatched { background: rgba(245, 158, 11, 0.15); color: var(--color-warning); }

.review-row-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
}

.review-row-remove:hover {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
}

/* ---------- Alerts / Banners ---------- */
.ai-alert {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

.ai-alert svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.ai-alert-warning { background: rgba(245, 158, 11, 0.1); color: var(--color-warning); border: 1px solid rgba(245, 158, 11, 0.25); }
.ai-alert-danger { background: rgba(239, 68, 68, 0.1); color: var(--color-danger); border: 1px solid rgba(239, 68, 68, 0.25); }
.ai-alert-info { background: rgba(59, 130, 246, 0.1); color: var(--color-info); border: 1px solid rgba(59, 130, 246, 0.25); }

/* ---------- AI Request Log Table ---------- */
.log-status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.log-status-success { background: var(--color-success); }
.log-status-fail { background: var(--color-danger); }