/**
 * Paper Mind Puzzles - WordPress Plugin Styles
 * Optimized for Astra Theme Compatibility
 *
 * Design Philosophy:
 * - Minimal overrides, let WordPress/Astra theme control most styling
 * - Use CSS custom properties for easy customization
 * - Consistent across all puzzle generators
 * - Clean, accessible, responsive
 */

:root {
    /* Plugin Colors - Minimal custom colors */
    --pmp-primary: #667eea;
    --pmp-primary-dark: #764ba2;
    --pmp-accent: #3498db;
    --pmp-success: #10b981;
    --pmp-warning: #f59e0b;
    --pmp-danger: #e74c3c;

    /* Neutral colors that work with any theme */
    --pmp-light-bg: #f8f9fa;
    --pmp-border: #dee2e6;
    --pmp-shadow: rgba(0, 0, 0, 0.08);

    /* Spacing */
    --pmp-spacing-xs: 0.5rem;
    --pmp-spacing-sm: 1rem;
    --pmp-spacing-md: 1.5rem;
    --pmp-spacing-lg: 2rem;
    --pmp-spacing-xl: 3rem;

    /* Border radius */
    --pmp-radius-sm: 0.375rem;
    --pmp-radius-md: 0.5rem;
    --pmp-radius-lg: 0.75rem;
    --pmp-radius-xl: 1rem;
}

/* ============================================
   CONTAINER - Main wrapper for all plugin content
   ============================================ */
.pmp-container,
.pmp-free-container,
.pmp-pro-container {
    margin: var(--pmp-spacing-lg) 0;
    padding: 0;
}

/* ============================================
   CARDS & SECTIONS
   ============================================ */
.pmp-card {
    background: #ffffff;
    padding: var(--pmp-spacing-lg);
    border-radius: var(--pmp-radius-lg);
    box-shadow: 0 2px 8px var(--pmp-shadow);
    margin-bottom: var(--pmp-spacing-lg);
}

.pmp-section {
    margin-bottom: var(--pmp-spacing-xl);
}

/* ============================================
   BANNERS & ALERTS
   ============================================ */
.pmp-banner {
    padding: var(--pmp-spacing-lg);
    border-radius: var(--pmp-radius-lg);
    margin-bottom: var(--pmp-spacing-lg);
    text-align: center;
}

.pmp-banner-gradient {
    background: linear-gradient(135deg, var(--pmp-primary) 0%, var(--pmp-primary-dark) 100%);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.25);
}

.pmp-banner-info {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    color: inherit;
}

.pmp-banner-success {
    background: #d1fae5;
    border-left: 4px solid var(--pmp-success);
    color: inherit;
}

.pmp-banner-warning {
    background: #fef3c7;
    border-left: 4px solid var(--pmp-warning);
    color: inherit;
}

/* ============================================
   BADGES
   ============================================ */
.pmp-badge {
    display: inline-block;
    padding: var(--pmp-spacing-xs) var(--pmp-spacing-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--pmp-spacing-sm);
}

.pmp-badge-success {
    background: var(--pmp-success);
    color: #ffffff;
}

.pmp-badge-primary {
    background: var(--pmp-primary);
    color: #ffffff;
}

/* ============================================
   BUTTONS - Inherit from theme, add plugin styles
   ============================================ */
.pmp-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--pmp-radius-md);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    line-height: 1.5;
    text-align: center;
}

.pmp-btn-primary {
    background: linear-gradient(135deg, var(--pmp-primary) 0%, var(--pmp-primary-dark) 100%);
    color: #ffffff !important;
}

.pmp-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    text-decoration: none;
    color: #830162 !important;
}

.pmp-btn-secondary {
    background: var(--pmp-accent);
    color: #ffffff !important;
}

.pmp-btn-secondary:hover {
    background: #2980b9;
    text-decoration: none;
    color: #ffffff !important;
}

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

.pmp-btn-outline:hover {
    background: var(--pmp-primary);
    color: #ffffff !important;
}

.pmp-btn-large {
    padding: 1rem 3rem;
    font-size: 1.125rem;
}

.pmp-btn-small {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.pmp-btn:disabled,
.pmp-btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.pmp-btn-group {
    display: flex;
    gap: var(--pmp-spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--pmp-spacing-md);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.pmp-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pmp-spacing-lg);
    margin: var(--pmp-spacing-lg) 0;
}

.pmp-grid-3col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--pmp-spacing-md);
}

/* ============================================
   PUZZLE DISPLAY
   ============================================ */
.pmp-puzzle-section {
    background: var(--pmp-light-bg);
    padding: var(--pmp-spacing-lg);
    border-radius: var(--pmp-radius-lg);
    text-align: center;
    box-shadow: 0 2px 8px var(--pmp-shadow);
}

.pmp-puzzle-section h2,
.pmp-puzzle-section h3 {
    margin-top: 0;
    margin-bottom: var(--pmp-spacing-md);
}

.pmp-puzzle-section canvas {
    border: 2px solid var(--pmp-border);
    border-radius: var(--pmp-radius-md);
    max-width: 100%;
    height: auto;
    margin-bottom: var(--pmp-spacing-md);
    background: #ffffff;
}

.pmp-puzzles-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pmp-spacing-lg);
    margin-top: var(--pmp-spacing-lg);
}

/* ============================================
   FORMS & CONTROLS
   ============================================ */
.pmp-control-group {
    display: flex;
    flex-direction: column;
    gap: var(--pmp-spacing-xs);
}

.pmp-control-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--pmp-spacing-md);
    margin-bottom: var(--pmp-spacing-md);
}

.pmp-control-group label {
    font-weight: 600;
    margin-bottom: var(--pmp-spacing-xs);
}

.pmp-select,
.pmp-input {
    //padding: 0.625rem;
    border: 2px solid var(--pmp-border);
    border-radius: var(--pmp-radius-md);
    transition: border-color 0.3s ease;
    font-size: 1rem;
    line-height: 1.5;
}

.pmp-select:focus,
.pmp-input:focus {
    outline: none;
    border-color: var(--pmp-primary);
}

/* ============================================
   LOADING STATE
   ============================================ */
.pmp-loading {
    text-align: center;
    padding: var(--pmp-spacing-lg);
    color: var(--pmp-primary);
    font-weight: 600;
}

.pmp-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--pmp-light-bg);
    border-top: 4px solid var(--pmp-primary);
    border-radius: 50%;
    animation: pmp-spin 1s linear infinite;
    margin-bottom: var(--pmp-spacing-sm);
}

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

/* ============================================
   LISTS - Clean list styling
   ============================================ */
.pmp-list-unstyled {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pmp-list-features {
    list-style: none;
    padding: 0;
    margin: var(--pmp-spacing-md) 0;
}

.pmp-list-features li {
    padding: var(--pmp-spacing-xs) 0;
}

.pmp-list-features li::before {
    content: "✓ ";
    color: var(--pmp-success);
    font-weight: bold;
    margin-right: var(--pmp-spacing-xs);
}

/* ============================================
   UTILITIES
   ============================================ */
.pmp-text-center {
    text-align: center;
}

.pmp-text-muted {
    opacity: 0.75;
}

.pmp-mb-0 { margin-bottom: 0 !important; }
.pmp-mb-sm { margin-bottom: var(--pmp-spacing-sm); }
.pmp-mb-md { margin-bottom: var(--pmp-spacing-md); }
.pmp-mb-lg { margin-bottom: var(--pmp-spacing-lg); }

.pmp-mt-0 { margin-top: 0 !important; }
.pmp-mt-sm { margin-top: var(--pmp-spacing-sm); }
.pmp-mt-md { margin-top: var(--pmp-spacing-md); }
.pmp-mt-lg { margin-top: var(--pmp-spacing-lg); }

/* ============================================
   PRO GENERATOR SPECIFIC
   ============================================ */
.pmp-pro-badge-header {
    text-align: center;
    margin-bottom: var(--pmp-spacing-xl);
}

.pmp-pro-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    padding: var(--pmp-spacing-xs) var(--pmp-spacing-lg);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--pmp-spacing-md);
}

.pmp-controls {
    background: #ffffff;
    padding: var(--pmp-spacing-lg);
    border-radius: var(--pmp-radius-lg);
    box-shadow: 0 2px 8px var(--pmp-shadow);
    margin-bottom: var(--pmp-spacing-lg);
}

.pmp-generate-section {
    text-align: center;
    margin-top: var(--pmp-spacing-lg);
}

.pmp-batch-export {
    background: var(--pmp-light-bg);
    padding: var(--pmp-spacing-lg);
    border-radius: var(--pmp-radius-lg);
    text-align: center;
    margin-bottom: var(--pmp-spacing-lg);
    border: 2px dashed var(--pmp-border);
}

.pmp-export-buttons {
    display: flex;
    gap: var(--pmp-spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--pmp-spacing-md);
}

.pmp-upgrade-required {
    max-width: 700px;
    margin: var(--pmp-spacing-xl) auto;
    padding: var(--pmp-spacing-xl);
    background: #ffffff;
    border-radius: var(--pmp-radius-xl);
    box-shadow: 0 4px 20px var(--pmp-shadow);
    text-align: center;
}

.pmp-upgrade-required h2 {
    margin-top: 0;
    margin-bottom: var(--pmp-spacing-md);
    color: var(--pmp-primary);
}

.pmp-upgrade-required ul {
    text-align: left;
    max-width: 500px;
    margin: var(--pmp-spacing-lg) auto;
    padding-left: var(--pmp-spacing-lg);
}

.pmp-upgrade-required ul li {
    margin-bottom: var(--pmp-spacing-xs);
}

.pmp-upgrade-buttons {
    display: flex;
    gap: var(--pmp-spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--pmp-spacing-lg);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 782px) {
    .pmp-grid-2col,
    .pmp-puzzles-container {
        grid-template-columns: 1fr;
    }

    .pmp-control-row {
        grid-template-columns: 1fr;
    }

    .pmp-btn-group,
    .pmp-export-buttons,
    .pmp-upgrade-buttons {
        flex-direction: column;
    }

    .pmp-btn {
        width: 100%;
    }
}

@media (max-width: 600px) {
    .pmp-card,
    .pmp-banner {
        padding: var(--pmp-spacing-md);
    }
}

/* ============================================
   WORDPRESS COMPATIBILITY
   ============================================ */

/* Ensure headings inherit from theme */
.pmp-container h1,
.pmp-container h2,
.pmp-container h3,
.pmp-container h4,
.pmp-container h5,
.pmp-container h6,
.pmp-free-container h1,
.pmp-free-container h2,
.pmp-free-container h3,
.pmp-free-container h4,
.pmp-free-container h5,
.pmp-free-container h6,
.pmp-pro-container h1,
.pmp-pro-container h2,
.pmp-pro-container h3,
.pmp-pro-container h4,
.pmp-pro-container h5,
.pmp-pro-container h6 {
    font-family: inherit;
    line-height: inherit;
}

/* Ensure paragraphs and body text inherit */
.pmp-container p,
.pmp-container ul,
.pmp-container ol,
.pmp-free-container p,
.pmp-free-container ul,
.pmp-free-container ol,
.pmp-pro-container p,
.pmp-pro-container ul,
.pmp-pro-container ol {
    font-family: inherit;
    line-height: inherit;
}

/* Ensure links inherit theme colors except for buttons */
.pmp-container a:not(.pmp-btn),
.pmp-free-container a:not(.pmp-btn),
.pmp-pro-container a:not(.pmp-btn) {
    color: inherit;
}

/* ====================
   PUZZLE HISTORY SECTION
   ==================== */

.pmp-history-section {
    margin: 30px 0;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.pmp-history-container {
    margin-top: 20px;
    padding: 20px;
    background: white;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.pmp-history-container h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #333;
}

.pmp-history-description {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.pmp-history-list {
    max-height: 500px;
    overflow-y: auto;
}

.pmp-history-item {
    padding: 15px;
    margin-bottom: 10px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.pmp-history-item:hover {
    background: #efefef;
    border-color: #007bff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pmp-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.pmp-history-header h4 {
    margin: 0;
    font-size: 16px;
    color: #333;
}

.pmp-history-badges {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.pmp-history-difficulty {
    padding: 4px 12px;
    background: #007bff;
    color: white;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.pmp-history-batch-badge {
    padding: 4px 12px;
    background: #28a745;
    color: white;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.pmp-history-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 13px;
    color: #666;
}

.pmp-history-expires {
    color: #ff6b6b;
    font-weight: 500;
}

.pmp-history-actions {
    display: flex;
    gap: 10px;
}

.pmp-history-empty,
.pmp-history-loading,
.pmp-history-error {
    text-align: center;
    padding: 30px;
    color: #666;
    font-style: italic;
}

.pmp-history-error {
    color: #ff6b6b;
}

/* Responsive History Section */
@media (max-width: 768px) {
    .pmp-history-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .pmp-history-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .pmp-history-actions {
        width: 100%;
    }

    .pmp-history-actions button {
        flex: 1;
    }
}