/* ============================================================
   MIGRATIONS - Gerenciador de Migrations do Banco de Dados
   ============================================================ */

.migrations-container {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-5);
}

/* Header */
.migrations-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-3);
}

.migrations-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.migrations-header h2 i {
    color: var(--color-primary);
    font-size: 28px;
}

/* Summary cards */
.migrations-summary {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.summary-card {
    flex: 1;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border);
}

.summary-card.total {
    background: var(--color-primary-bg);
    border-color: var(--color-primary);
}

.summary-card.applied {
    background: #ECFDF5;
    border-color: var(--color-accent);
}

.summary-card.pending {
    background: #FFF7ED;
    border-color: var(--color-warning);
}

.summary-number {
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-1);
}

.summary-card.total .summary-number { color: var(--color-primary); }
.summary-card.applied .summary-number { color: var(--color-accent); }
.summary-card.pending .summary-number { color: var(--color-warning); }

.summary-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Migration list */
.migrations-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.migration-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.migration-card:hover {
    box-shadow: var(--shadow-md);
}

.migration-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    cursor: pointer;
    gap: var(--space-3);
}

.migration-card-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
    min-width: 0;
}

.migration-status-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.migration-status-icon.applied {
    background: #ECFDF5;
    color: var(--color-accent);
}

.migration-status-icon.pending {
    background: #FFF7ED;
    color: var(--color-warning);
}

.migration-status-icon.error {
    background: #FEF2F2;
    color: var(--color-error);
}

.migration-status-icon.running {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.migration-info {
    flex: 1;
    min-width: 0;
}

.migration-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.migration-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.migration-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.migration-badge.sql {
    background: #EFF6FF;
    color: #2563EB;
}

.migration-badge.php {
    background: #F5F3FF;
    color: #7C3AED;
}

.migration-card-actions {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}

/* Expandable detail */
.migration-detail {
    border-top: 1px solid var(--color-border);
    padding: var(--space-4);
    background: var(--color-bg-secondary);
}

.migration-result {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-word;
    background: #1F2937;
    color: #E5E7EB;
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    max-height: 300px;
    overflow-y: auto;
    line-height: 1.5;
}

.migration-result .line-ok { color: #10B981; }
.migration-result .line-skip { color: #F59E0B; }
.migration-result .line-error { color: #EF4444; }

/* Buttons */
.btn-apply {
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: background 0.2s, transform 0.1s;
    min-height: 36px;
}

.btn-apply:active {
    transform: scale(0.97);
}

.btn-apply-one {
    background: var(--color-primary);
    color: white;
}

.btn-apply-one:hover {
    background: var(--color-primary-light);
}

.btn-apply-all {
    background: var(--color-accent);
    color: white;
    padding: 8px 20px;
    font-size: var(--font-size-base);
}

.btn-apply-all:hover {
    background: #059669;
}

.btn-apply:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-refresh {
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.btn-refresh:hover {
    background: var(--color-border);
}

/* Applied badge in header */
.applied-label {
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Loading spinner */
.migration-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: migrationSpin 0.6s linear infinite;
}

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

/* Empty state */
.migrations-empty {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    color: var(--color-text-secondary);
}

.migrations-empty i {
    font-size: 48px;
    margin-bottom: var(--space-3);
    opacity: 0.3;
}

/* SQL Preview block */
.migration-sql-preview {
    font-family: 'Courier New', Consolas, monospace;
    font-size: var(--font-size-sm);
    background: #1F2937;
    color: #D1D5DB;
    padding: var(--space-4);
    border-radius: var(--radius-sm);
    max-height: 400px;
    overflow-y: auto;
    margin: 0;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    tab-size: 4;
}

.migration-sql-preview code {
    font-family: inherit;
    font-size: inherit;
    background: none;
    color: inherit;
    padding: 0;
}

.migration-preview-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Expanded card highlight */
.migration-card-expanded {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

/* Statement count badge */
.migration-badge.stmts {
    background: #F3F4F6;
    color: #4B5563;
    gap: 2px;
}

/* Confirm banner (Apply All) */
.migration-confirm-banner {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: #FFF7ED;
    border: 1px solid var(--color-warning);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.migration-confirm-banner span {
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.migration-confirm-actions {
    display: flex;
    gap: var(--space-2);
    margin-left: auto;
}

/* Confirm buttons (inline) */
.btn-confirm-yes {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--color-accent);
    color: white;
    transition: background 0.2s;
    min-height: 32px;
}

.btn-confirm-yes:hover {
    background: #059669;
}

.btn-confirm-yes:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-confirm-no {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 1px solid var(--color-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    background: white;
    color: var(--color-text-secondary);
    transition: background 0.2s;
    min-height: 32px;
}

.btn-confirm-no:hover {
    background: var(--color-bg-secondary);
}

/* SQL Editor (textarea) */
.migration-sql-editor {
    font-family: 'Courier New', Consolas, monospace;
    font-size: var(--font-size-sm);
    background: #1F2937;
    color: #D1D5DB;
    padding: var(--space-4);
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-primary);
    width: 100%;
    min-height: 200px;
    max-height: 500px;
    resize: vertical;
    line-height: 1.6;
    white-space: pre;
    tab-size: 4;
    outline: none;
    box-sizing: border-box;
}

.migration-sql-editor:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

/* Editor toolbar */
.migration-editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.migration-editor-actions {
    display: flex;
    gap: var(--space-2);
}

/* Delete button */
.btn-delete {
    background: #FEF2F2;
    color: #EF4444;
    border: 1px solid #FECACA;
}

.btn-delete:hover {
    background: #FEE2E2;
    color: #DC2626;
}

/* Edit button */
.btn-edit {
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.btn-edit:hover {
    background: var(--color-border);
    color: var(--color-text);
}

/* Edited badge */
.migration-badge.edited {
    background: #FEF3C7;
    color: #D97706;
    gap: 2px;
}

/* ============================================================
   AI Analysis Panel
   ============================================================ */

/* AI Analyze button (purple) */
.btn-ai {
    background: #8B5CF6;
    color: white;
}

.btn-ai:hover {
    background: #7C3AED;
}

.btn-ai:disabled {
    background: #C4B5FD;
    cursor: not-allowed;
}

/* AI panel container */
.migration-ai-panel {
    border-top: 2px solid #8B5CF6;
    background: #FAFAFE;
}

.migration-ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

/* Severity badges */
.ai-severity-ok {
    background: #ECFDF5;
    color: #059669;
}

.ai-severity-warning {
    background: #FFF7ED;
    color: #D97706;
}

.ai-severity-error {
    background: #FEF2F2;
    color: #DC2626;
}

.ai-severity-critical {
    background: #FEF2F2;
    color: #991B1B;
    font-weight: 700;
}

/* Summary text */
.ai-summary {
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.5;
    margin-bottom: var(--space-4);
    padding: var(--space-3);
    background: var(--color-bg-primary);
    border-radius: var(--radius-sm);
    border-left: 3px solid #8B5CF6;
}

/* Problems list */
.ai-problems {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.ai-problem-item {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    border-left: 3px solid var(--color-border);
}

.ai-problem-item.ai-problem-aviso {
    border-left-color: #F59E0B;
}

.ai-problem-item.ai-problem-erro {
    border-left-color: #EF4444;
}

.ai-problem-item.ai-problem-critico {
    border-left-color: #991B1B;
    background: #FFF5F5;
}

.ai-problem-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.ai-problem-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: #F3F4F6;
    color: #4B5563;
}

.ai-problem-badge.aviso {
    background: #FFF7ED;
    color: #D97706;
}

.ai-problem-badge.erro {
    background: #FEF2F2;
    color: #DC2626;
}

.ai-problem-badge.critico {
    background: #FEE2E2;
    color: #991B1B;
}

.ai-problem-severity {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: capitalize;
}

.ai-problem-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.5;
    margin-bottom: var(--space-2);
}

.ai-problem-suggestion {
    font-size: var(--font-size-sm);
    color: #059669;
    line-height: 1.5;
    padding: var(--space-2);
    background: #ECFDF5;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
}

.ai-problem-sql {
    margin-top: var(--space-1);
}

.ai-problem-sql code {
    font-family: 'Courier New', Consolas, monospace;
    font-size: var(--font-size-xs);
    background: #1F2937;
    color: #F59E0B;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    display: block;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.5;
}

/* Corrected SQL block */
.ai-corrected-sql {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.ai-corrected-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Token usage info */
.ai-usage {
    margin-top: var(--space-3);
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
    text-align: right;
}

.ai-usage small {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .migrations-container {
        padding: var(--space-3);
    }

    .migrations-summary {
        flex-direction: column;
    }

    .migration-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .migration-card-actions {
        width: 100%;
    }

    .migration-card-actions .btn-apply {
        flex: 1;
        justify-content: center;
    }
}