/**
 * Enhanced Email Management CSS
 * Version 2.0 - Modern UI based on Role Management
 * 
 * @updated 2025-11-23
 */

/* ============================================
   Email Templates Grid
   ============================================ */

.aom-email-templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.aom-email-template-card {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.aom-email-template-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.aom-email-template-header {
    padding: 20px;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1) 0%, rgba(var(--primary-rgb), 0.05) 100%);
    border-bottom: 1px solid var(--border-color);
}

.aom-email-template-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.aom-email-template-title h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.aom-email-template-type {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.aom-email-template-type.invitation {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.aom-email-template-type.reminder {
    background: rgba(255, 152, 0, 0.15);
    color: #ff9800;
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.aom-email-template-type.completion {
    background: rgba(33, 150, 243, 0.15);
    color: #2196f3;
    border: 1px solid rgba(33, 150, 243, 0.3);
}

.aom-email-template-type.course {
    background: rgba(103, 58, 183, 0.15);
    color: #673ab7;
    border: 1px solid rgba(103, 58, 183, 0.3);
}

.aom-email-template-type.system {
    background: rgba(158, 158, 158, 0.15);
    color: #9e9e9e;
    border: 1px solid rgba(158, 158, 158, 0.3);
}

.aom-email-template-type.custom {
    background: rgba(233, 30, 99, 0.15);
    color: #e91e63;
    border: 1px solid rgba(233, 30, 99, 0.3);
}

.aom-email-template-subject {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.aom-email-template-body {
    padding: 20px;
}

.aom-email-template-preview {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    max-height: 120px;
    overflow: hidden;
    position: relative;
}

.aom-email-template-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--dark-bg));
}

.aom-email-template-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--dark-bg);
    border-top: 1px solid var(--border-color);
}

.aom-email-template-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.aom-email-template-actions {
    display: flex;
    gap: 8px;
}

.aom-email-template-actions .aom-btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Settings Cards
   ============================================ */

.aom-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.aom-settings-card {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.aom-settings-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--dark-bg);
    border-bottom: 2px solid var(--border-color);
}

.aom-settings-card-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.aom-settings-card-header h3 .dashicons {
    color: var(--primary-color);
}

.aom-settings-card-body {
    padding: 24px;
}

.aom-settings-card-body hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 20px 0;
}

/* ============================================
   Email Log & Queue Tables
   ============================================ */

.aom-table-container {
    margin-top: 24px;
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.aom-table {
    width: 100%;
    border-collapse: collapse;
}

.aom-table thead {
    background: var(--dark-bg);
}

.aom-table th {
    padding: 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.aom-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

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

.aom-table tbody tr:last-child {
    border-bottom: none;
}

.aom-table td {
    padding: 16px;
    font-size: 14px;
    color: var(--text-color);
}

.aom-table-loading {
    text-align: center;
    padding: 60px 20px !important;
    color: var(--text-muted);
}

.aom-table-loading .dashicons {
    font-size: 32px;
    margin-bottom: 12px;
}

.aom-table-loading .spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Email Status Badges */
.aom-email-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.aom-email-status.sent {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.aom-email-status.failed {
    background: rgba(244, 67, 54, 0.15);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.aom-email-status.pending {
    background: rgba(255, 152, 0, 0.15);
    color: #ff9800;
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.aom-email-status.queued {
    background: rgba(33, 150, 243, 0.15);
    color: #2196f3;
    border: 1px solid rgba(33, 150, 243, 0.3);
}

/* ============================================
   Tabs Navigation
   ============================================ */

.aom-tabs {
    margin: 24px 0;
}

.aom-tabs-nav {
    display: flex;
    gap: 8px;
    background: var(--dark-surface);
    padding: 8px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.aom-tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.aom-tab-btn:hover {
    background: var(--hover-bg);
    color: var(--text-color);
}

.aom-tab-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.aom-tab-btn .dashicons {
    font-size: 18px;
}

.aom-tab-content {
    display: none;
}

.aom-tab-content.active {
    display: block;
}

/* ============================================
   Large Modal Variant
   ============================================ */

.aom-modal-large .aom-modal-content {
    max-width: 800px;
}

/* ============================================
   Form Enhancements
   ============================================ */

.aom-form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.aom-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.aom-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.aom-checkbox-label span {
    font-size: 14px;
    color: var(--text-color);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1200px) {
    .aom-email-templates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .aom-settings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .aom-email-templates-grid {
        grid-template-columns: 1fr;
    }
    
    .aom-tabs-nav {
        flex-wrap: wrap;
    }
    
    .aom-tab-btn {
        flex: 1 1 calc(50% - 4px);
    }
    
    .aom-form-row {
        grid-template-columns: 1fr;
    }
    
    .aom-table-container {
        overflow-x: auto;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.aom-text-center {
    text-align: center;
}

.aom-mt-20 {
    margin-top: 20px;
}

.aom-mb-20 {
    margin-bottom: 20px;
}