/* Theme CSS Variables for SQL Playground */

/* Light Theme */
:root,
[data-theme="light"] {
    /* Primary Colors */
    --primary-color: #2563eb;
    --primary-color-rgb: 37, 99, 235;
    --primary-hover: #1d4ed8;
    --primary-light: rgba(37, 99, 235, 0.1);
    --accent-color: #8b5cf6;
    --accent-hover: #7c3aed;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-primary-rgb: 255, 255, 255;
    --bg-secondary: #f8fafc;
    --bg-secondary-rgb: 248, 250, 252;
    --bg-tertiary: #f1f5f9;
    --bg-tertiary-rgb: 241, 245, 249;
    --bg-hover: #e2e8f0;
    --bg-active: #cbd5e1;
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Border Colors */
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --border-focus: #2563eb;
    
    /* Status Colors */
    --success-color: #10b981;
    --success-hover: #059669;
    --success-bg: #ecfdf5;
    --success-text: #065f46;
    
    --error-color: #ef4444;
    --error-hover: #dc2626;
    --error-bg: #fef2f2;
    --error-text: #991b1b;
    
    --warning-color: #f59e0b;
    --warning-hover: #d97706;
    --warning-bg: #fffbeb;
    --warning-text: #92400e;
    
    --info-color: #3b82f6;
    --info-hover: #2563eb;
    --info-bg: #eff6ff;
    --info-text: #1e40af;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Editor Colors */
    --editor-bg: #ffffff;
    --editor-border: #e2e8f0;
    --editor-toolbar: #f8fafc;
    
    /* Code Colors */
    --code-bg: #f8fafc;
    --code-border: #e2e8f0;
    --code-text: #1e293b;
}

/* Dark Theme */
[data-theme="dark"] {
    /* Primary Colors */
    --primary-color: #3b82f6;
    --primary-color-rgb: 59, 130, 246;
    --primary-hover: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.2);
    --accent-color: #8b5cf6;
    --accent-hover: #7c3aed;
    
    /* Background Colors */
    --bg-primary: #0f172a;
    --bg-primary-rgb: 15, 23, 42;
    --bg-secondary: #1e293b;
    --bg-secondary-rgb: 30, 41, 59;
    --bg-tertiary: #334155;
    --bg-tertiary-rgb: 51, 65, 85;
    --bg-hover: #475569;
    --bg-active: #64748b;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-inverse: #1e293b;
    
    /* Border Colors */
    --border-color: #334155;
    --border-hover: #475569;
    --border-focus: #3b82f6;
    
    /* Status Colors */
    --success-color: #10b981;
    --success-hover: #059669;
    --success-bg: #064e3b;
    --success-text: #6ee7b7;
    
    --error-color: #ef4444;
    --error-hover: #dc2626;
    --error-bg: #7f1d1d;
    --error-text: #fca5a5;
    
    --warning-color: #f59e0b;
    --warning-hover: #d97706;
    --warning-bg: #78350f;
    --warning-text: #fcd34d;
    
    --info-color: #3b82f6;
    --info-hover: #2563eb;
    --info-bg: #1e3a8a;
    --info-text: #93c5fd;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    
    /* Editor Colors */
    --editor-bg: #1e293b;
    --editor-border: #334155;
    --editor-toolbar: #334155;
    
    /* Code Colors */
    --code-bg: #1e293b;
    --code-border: #334155;
    --code-text: #f8fafc;
}

/* Common Component Styles */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

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

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

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

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

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-danger {
    background-color: var(--error-color);
    color: white;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Admin Button Compatibility */
.admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    background-color: var(--primary-color);
    color: white;
}

.admin-btn:hover {
    background-color: var(--primary-hover);
    text-decoration: none;
    color: white;
}

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

.admin-btn.secondary:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.admin-btn.warning {
    background-color: var(--warning-color);
    color: white;
}

.admin-btn.warning:hover {
    background-color: var(--warning-hover);
    color: white;
}

.admin-btn.danger {
    background-color: var(--error-color);
    color: white;
}

.admin-btn.danger:hover {
    background-color: var(--error-hover);
    color: white;
}

.admin-btn.info {
    background-color: var(--info-color);
    color: white;
}

.admin-btn.info:hover {
    background-color: var(--info-hover);
    color: white;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

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

.card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
}

.table td {
    color: var(--text-secondary);
}

.table tr:hover {
    background-color: var(--bg-hover);
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none; }
.block { display: block; }

/* Grid System */
.grid {
    display: grid;
    gap: 1rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-12 { grid-column: span 12 / span 12; }

/* Responsive Grid */
@media (min-width: 640px) {
    .sm\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sm\:col-span-1 { grid-column: span 1 / span 1; }
    .sm\:col-span-2 { grid-column: span 2 / span 2; }
    .sm\:col-span-3 { grid-column: span 3 / span 3; }
}

@media (min-width: 768px) {
    .md\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:col-span-1 { grid-column: span 1 / span 1; }
    .md\:col-span-2 { grid-column: span 2 / span 2; }
    .md\:col-span-3 { grid-column: span 3 / span 3; }
    .md\:col-span-4 { grid-column: span 4 / span 4; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:col-span-1 { grid-column: span 1 / span 1; }
    .lg\:col-span-2 { grid-column: span 2 / span 2; }
    .lg\:col-span-3 { grid-column: span 3 / span 3; }
    .lg\:col-span-4 { grid-column: span 4 / span 4; }
}