/*
Theme Name: Az Academy
Theme URI: https://az-academy.local
Author: Az Academy
Description: Theme tối giản phù hợp hệ thống điểm danh Az Academy.
Version: 0.1.1
Text Domain: az-academy
*/

:root {
    --az-primary: #15345a;
    --az-sidebar-top: 20px;
    --az-min-height: 800px;
    --az-primary-hover: #0e2440;
    --az-secondary: #f0fcf9;
    --az-text-main: #222;
    --az-text-light: #666;
    --az-white: #ffffff;
    --az-border: #eee;
}

/* =========================================
   CRITICAL LAYOUT OVERRIDES (USER REQUESTED - FIX 2.0)
   ========================================= */
/* Ép buộc cấu trúc Grid cho Container cha cao nhất */
.azac-layout {
    display: grid !important;
    grid-template-columns: 1fr 320px !important;
    align-items: stretch !important; /* Quan trọng nhất: Ép 2 cột dài bằng nhau */
    min-height: 800px !important;
    gap: 30px !important;
    overflow: visible !important; /* Sticky fix */
}

/* Moved to consolidated media queries at bottom */

/* Wrapper ID fallback */
#azac-layout-wrapper {
    display: contents !important; 
}

/* Ép Sticky Sidebar */
.azac-info-sidebar {
    position: -webkit-sticky !important;
    position: sticky !important;
    top: var(--az-sidebar-top) !important;
    height: fit-content !important;
    z-index: 10;
}

/* Khóa chiều cao nội dung */
.azac-content-area, #azac-main-content {
    min-height: 800px !important;
    background: #fff;
    flex: 1 !important; /* Ensure it fills parent flex container if used */
}

/* Header UI Fixes - Strong Selectors */
header.site-header, .site-header-container { 
    background-color: var(--az-primary) !important; 
} 
.main-navigation a, .header-user-welcome, .az-menu a, .header-auth a { 
    color: #ffffff !important; 
} 
.site-logo { filter: brightness(0) invert(1); }

html {
    overflow-x: hidden; /* Prevent horizontal scroll */
    scroll-behavior: smooth;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
    margin: 0;
    color: var(--az-text-main);
    line-height: 1.6;
}

a {
    color: var(--az-primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--az-primary-hover);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =========================================
   3. Header & Logo Optimization
   ========================================= */
.site-header {
    background-color: var(--az-primary);
    color: var(--az-white);
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.site-header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

/* Logo Optimization */
.site-logo {
    height: 45px;
    width: auto;
    display: block;
    /* Drop shadow to make it pop on dark bg */
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6)); 
    transition: transform 0.3s ease;
}

.site-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.8));
}

.site-logo-link {
    display: inline-block;
    padding: 5px; 
}

/* Menu Text Colors */
.az-menu {
    display: flex;
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* User Requested: Specific Selector for Menu Links */
#header-menu a, .main-navigation a, .az-menu a {
    color: #ffffff !important; /* Pure white */
    font-weight: 500;
    opacity: 0.9;
    transition: all 0.2s ease;
}

.az-menu a:hover {
    color: #ffffff;
    opacity: 1;
    text-shadow: 0 0 10px rgba(255,255,255,0.4);
}

.header-right-group {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-user-welcome {
    margin-right: 10px;
    font-size: 14px;
    color: #ffffff; /* Pure white */
}

/* Header Buttons */
.header-btn-admin, 
.header-btn-register {
    background: var(--az-white);
    color: var(--az-primary);
    border-color: var(--az-white);
}

.header-btn-admin:hover,
.header-btn-register:hover {
    background: #f0f0f0;
    color: var(--az-primary-hover);
    box-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.header-btn-login {
    color: var(--az-white);
    border-color: rgba(255,255,255,0.6);
}

.header-btn-login:hover {
    border-color: var(--az-white);
    background: rgba(255,255,255,0.1);
    color: var(--az-white);
}

/* =========================================
   2. Button Styles & Hover Fixes
   ========================================= */
.az-btn, .azac-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    border: 1px solid transparent;
    line-height: 1.2;
}

.az-btn-sm { padding: 6px 14px; font-size: 13px; }
.az-btn-lg { padding: 14px 32px; font-size: 16px; }

/* Primary Button */
.az-btn-primary, .azac-btn {
    background-color: var(--az-primary);
    color: var(--az-white);
    border-color: var(--az-primary);
}

/* Explicit Hover for Primary */
.az-btn-primary:hover, .azac-btn:hover {
    background-color: #0d233e !important; /* Darker than #15345a */
    color: #ffffff !important; /* Force White Text */
    border-color: #0d233e !important;
    opacity: 1 !important;
    visibility: visible !important;
    display: inline-flex !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Outline Button */
.az-btn-outline, .azac-btn-outline {
    background: transparent;
    color: var(--az-primary);
    border: 1px solid var(--az-primary);
}

.az-btn-outline:hover, .azac-btn-outline:hover {
    background-color: var(--az-primary);
    color: var(--az-white) !important;
    border-color: var(--az-primary);
}

.az-btn-block {
    width: 100%;
    box-sizing: border-box;
}

/* =========================================
   1. Layout Fixes (Stability & Flexbox)
   ========================================= */
/* Main Layout - Flexbox for Sticky Sidebar Support */
.azac-layout {
    display: flex;
    align-items: stretch; /* Stretch children to equal height */
    gap: 30px;
    margin-top: 30px;
}



.azac-main-col {
    flex: 1; /* Take remaining space */
    min-width: 0; /* Prevent flex overflow */
    display: flex;
    flex-direction: column;
}

/* Content Area Stability */
.azac-content-area {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    padding: 40px;
    /* Fixed Minimum height as requested */
    min-height: 800px; 
    transition: opacity 0.3s ease;
    border-top: 4px solid var(--az-primary); /* Branding accent */
    word-break: break-word;
    overflow-wrap: break-word;
    flex: 1; /* Fill height */
}

/* Empty Content Placeholder */
.azac-empty-content {
    text-align: center;
    padding: 60px 20px;
    color: var(--az-text-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 300px;
}
.azac-empty-icon {
    font-size: 48px;
    color: rgba(21, 52, 90, 0.3); /* Brand faded */
    margin-bottom: 20px;
}
.azac-empty-text {
    font-size: 16px;
    font-style: italic;
    color: var(--az-primary);
    opacity: 0.7;
}

/* Skeleton Animation */
@keyframes skeleton-pulse {
    0% { opacity: 0.6; }
    50% { opacity: 0.8; }
    100% { opacity: 0.6; }
}
.azac-skeleton-wrapper {
    animation: skeleton-pulse 1.5s infinite ease-in-out;
}
.azac-skeleton-heading, .azac-skeleton-line, .azac-skeleton-block {
    background-color: #e3eaf2 !important; /* Brand light tint */
}

/* Fade Transition */
.azac-fade-in {
    animation: fadeIn 0.3s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Timeline / Tabs */
.azac-timeline {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
    padding-top: 5px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--az-border);
    scrollbar-width: thin;
}

.azac-tab {
    flex: 0 0 auto;
    padding: 10px 20px;
    background: #fff;
    border-radius: 6px; /* Slightly squared for cleaner look */
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    white-space: nowrap;
    color: var(--az-text-light);
    min-width: 100px; /* Uniform width */
    text-align: center;
}

.azac-tab:hover {
    border-color: var(--az-primary);
    color: var(--az-primary);
    background: var(--az-secondary);
}

.azac-tab.active {
    background: var(--az-primary);
    color: var(--az-white);
    border-color: var(--az-primary);
    box-shadow: 0 4px 6px rgba(21, 52, 90, 0.2);
    transform: translateY(-2px);
}

/* =========================================
   Sidebar Info Card
   ========================================= */
.azac-info-sidebar {
    width: 320px;
    flex-shrink: 0; /* Do not shrink */
    position: -webkit-sticky;
    position: sticky;
    top: 20px;
    z-index: 100;
    height: fit-content; /* Critical for sticky to work in flex-stretch */
    transition: top 0.3s ease;
}

/* Media query moved to bottom */

.azac-info-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    overflow: hidden;
}

.azac-info-header {
    background: var(--az-primary);
    color: white;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.azac-info-body { padding: 20px; }
.azac-info-row {
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}
.azac-info-row:last-child { border-bottom: none; margin-bottom: 0; }
.azac-info-label {
    font-size: 12px;
    color: #888;
    text-transform: uppercase;
    margin-bottom: 4px;
    display: block;
}
.azac-info-value {
    font-size: 15px;
    font-weight: 600;
    color: #333;
}

/* Progress Bar */
.azac-progress-wrapper { margin-top: 10px; }
.azac-progress-bar {
    height: 8px;
    background: #eee;
    border-radius: 4px;
    overflow: hidden;
}
.azac-progress-fill {
    height: 100%;
    background: var(--az-primary);
    border-radius: 4px;
}

/* =========================================
   Hero & General UI
   ========================================= */
.az-hero {
    background: linear-gradient(135deg, var(--az-secondary) 0%, #e6f7f5 100%);
    padding: 80px 0;
    text-align: center;
}
.az-hero-title {
    font-size: 42px;
    color: var(--az-primary);
    margin-bottom: 16px;
    font-weight: 800;
}
.az-hero-subtitle {
    font-size: 18px;
    color: var(--az-text-light);
    max-width: 700px;
    margin: 0 auto 32px;
}
.az-hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.az-section { padding: 60px 0; }
.az-bg-light { background: #f8faf9; }
.az-section-header { text-align: center; margin-bottom: 48px; }
.az-section-title {
    font-size: 32px;
    color: var(--az-primary);
    margin-bottom: 8px;
}
.az-section-desc { color: var(--az-text-light); font-size: 16px; }

/* Grid System */
.az-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
/* Media queries moved to bottom */

/* Cards */
.az-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    border-top: 4px solid transparent;
}
.az-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    border-top-color: var(--az-primary);
}
.az-card-body { padding: 24px; flex: 1; }
.az-card-title { margin: 0 0 12px; font-size: 20px; line-height: 1.4; }
.az-card-title a { color: var(--az-primary); }
.az-card-title a:hover { color: var(--az-primary-hover); }
.az-card-meta { font-size: 14px; color: var(--az-text-light); margin-bottom: 16px; }
.az-meta-item { display: flex; align-items: center; gap: 6px; }
.az-card-excerpt { font-size: 15px; color: #555; margin-bottom: 16px; }
.az-card-footer { padding: 20px 24px; background: #f8faf9; border-top: 1px solid #eee; }

/* Footer */
.site-footer {
    background: var(--az-primary);
    color: #fff;
    padding: 60px 0 20px;
    margin-top: auto;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand { margin-bottom: 20px; }
.footer-logo {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}
.footer-logo:hover { transform: scale(1.05); }
.footer-desc { color: #a0c4c1; line-height: 1.6; max-width: 300px; }
.footer-title { font-size: 18px; margin-bottom: 20px; color: #fff; }
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-links li, .footer-contact li { margin-bottom: 12px; }
.footer-links a { color: #a0c4c1; }
.footer-links a:hover { color: #fff; }
.footer-contact li { color: #a0c4c1; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    color: #a0c4c1;
    font-size: 14px;
}

/* =========================================
   Preview Mode & Attachments
   ========================================= */
.azac-preview-container {
    max-width: 800px;
    margin: 40px auto;
    text-align: center;
}
.azac-preview-title {
    margin-bottom: 20px;
    font-size: 32px;
    color: var(--az-primary);
}
.azac-preview-card {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}
.azac-preview-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 6px;
    background: linear-gradient(90deg, var(--az-primary), #2ecc71);
}
.azac-preview-icon {
    font-size: 64px;
    color: var(--az-primary);
    margin-bottom: 20px;
    display: inline-block;
    background: var(--az-secondary);
    width: 100px; height: 100px; line-height: 100px;
    border-radius: 50%;
}
.azac-preview-heading { color: var(--az-primary); font-size: 24px; margin-bottom: 15px; }
.azac-preview-message { font-size: 16px; color: #555; margin-bottom: 30px; line-height: 1.6; }
.azac-class-info-preview {
    background: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: left;
    border-left: 4px solid var(--az-primary);
}
.azac-class-info-preview p { margin-bottom: 10px; color: #333; }
.azac-class-info-preview p:last-child { margin-bottom: 0; }
.azac-preview-actions { display: flex; justify-content: center; gap: 15px; }

/* Editor & Attachments */
.azac-content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}
#wp-azac_session_editor-wrap {
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}
#wp-azac_session_editor-editor-container { border-radius: 0 0 4px 4px; }
.mce-edit-area iframe { height: 500px !important; min-height: 400px; }
#azac-editor-container { display: none; margin-top: 20px; background: #fff; }
.azac-editor-instruction {
    background: #eef3f9;
    border-left: 4px solid var(--az-primary);
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}
.azac-editor-instruction h4 { margin: 0 0 5px 0; color: var(--az-primary); }
.azac-editor-instruction p { margin: 0; font-size: 14px; color: #555; }
.azac-attachments { margin-top: 30px; border-top: 1px solid #eee; padding-top: 20px; }
.azac-att-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}
.azac-att-card {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f9f9f9;
    transition: transform 0.2s;
}
.azac-att-card:hover { transform: translateY(-2px); box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); }
.azac-att-icon { font-size: 24px; width: 32px; text-align: center; }
.azac-att-icon.pdf { color: #e74c3c; }
.azac-att-icon.word { color: #3498db; }
.azac-att-icon.image { color: #2ecc71; }
.azac-att-info { flex: 1; overflow: hidden; }
.azac-att-title {
    font-size: 13px; font-weight: 600;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block;
}
.azac-att-actions { font-size: 12px; }

/* Modal Styles */
.azac-modal {
    display: none; 
    position: fixed; 
    z-index: 9999; 
    left: 0; top: 0; width: 100%; height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.6); 
    backdrop-filter: blur(5px);
}
.azac-modal-content {
    background-color: #fefefe;
    margin: 2% auto; 
    padding: 0;
    border: 1px solid #888;
    width: 80%; max-width: 900px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    display: flex; flex-direction: column;
    height: 90vh;
}
.azac-modal-header {
    padding: 15px 20px;
    background: var(--az-primary);
    color: white;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
    display: flex; justify-content: space-between; align-items: center;
}
.azac-modal-header h3 { margin: 0; font-size: 18px; color: white; }
.azac-close { color: white; font-size: 28px; font-weight: bold; cursor: pointer; line-height: 1; }
.azac-close:hover, .azac-close:focus { color: #ddd; text-decoration: none; cursor: pointer; }
.azac-actions { display: flex; gap: 10px; }
.azac-modal-body { flex: 1; padding: 0; background: #525659; overflow: hidden; }
.azac-modal-body iframe { width: 100%; height: 100%; border: none; }
.azac-modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #ddd;
    display: flex; justify-content: flex-end; gap: 10px;
    background: #fff;
    border-bottom-left-radius: 12px; border-bottom-right-radius: 12px;
}

/* Print */
@media print {
    header, footer, .azac-sidebar, .azac-actions, .azac-editor-controls { display: none !important; }
    .azac-content-area { box-shadow: none; padding: 0; }
    .azac-layout { display: block; }
    body { background: white; }
}

/* 4. Branding for Admin-like Elements (Tables) */
th, .azac-table-header {
    background-color: var(--az-primary);
    color: var(--az-white);
    padding: 12px;
    text-align: left;
}

/* =========================================
   RESPONSIVE & MEDIA QUERIES (CONSOLIDATED)
   ========================================= */

/* --- Tablet & Small Desktop (Max Width: 992px) --- */
@media (max-width: 992px) {
    /* Grid System */
    .az-grid { 
        grid-template-columns: repeat(2, 1fr); 
    }

    /* Reviews Grid (Merged from attendance.css) */
    .azac-reviews-grid {
        grid-template-columns: 1fr;
    }

    /* Sidebar - Disable Sticky */
    .azac-info-sidebar {
        width: 100%;
        position: static; 
        height: auto;
    }
}

/* --- Mobile (Max Width: 768px) --- */
@media (max-width: 768px) {
    /* 1. Global Width Enforcement (User Request) */
    .azac-layout, .container, .azac-main-col, .azac-content-area {
        min-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* 2. Horizontal Scroll Timeline */
    .azac-timeline {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 10px;
        gap: 10px !important;
        scrollbar-width: none;
        margin-bottom: 20px;
    }
    
    .azac-timeline::-webkit-scrollbar {
        display: none;
    }
    
    .azac-tab {
        flex: 0 0 auto !important;
        white-space: nowrap !important;
        padding: 8px 16px !important;
        font-size: 14px !important;
    }

    /* 3. Fix Word Break & Content */
    .azac-content-area, .azac-main-col, body, html {
        word-break: normal !important;
        overflow-wrap: break-word;
    }
    
    /* 4. Optimize Header & Logo */
    .container, .site-header-container {
        padding: 0 15px !important;
    }
    
    .site-logo {
        height: 35px !important;
        width: auto;
    }
    
    .header-right {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        margin-top: 15px;
    }

    .az-hero-title { 
        font-size: 32px; 
    }
    
    .az-grid { 
        grid-template-columns: 1fr; 
    }

    /* 5. Sidebar Position & Layout Flow */
    .azac-layout {
        flex-direction: column !important;
        display: flex !important; /* Re-assert flex */
    }
    
    .azac-info-sidebar {
        width: 100% !important;
        margin-top: 20px !important;
        order: 2;
        position: static !important;
    }
    
    .azac-main-col {
        order: 1;
        width: 100% !important;
    }
}