/* ==========================================================================
   1. Basic Reset & Global Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ==========================================================================
   2. Color & Theme Variables
   ========================================================================== */
:root {
    /* Brand & Accent Colors */
    --primary-color: #510F64;
    --primary-hover: #3C0B4A;
    --gradient-primary: linear-gradient(135deg, #510F64 0%, #3C0B4A 100%);
    --accent-blue: #00bfff;
    --mark-color: #ff9800; /* Orange for marking */

    /* Light Mode Palette */
    --page-bg: #f4f4f9;
    --container-bg: #ffffff;
    --container-border: #e0e0e0;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-on-primary-bg: #ffffff;
    
    /* Universal UI Colors */
    --success-color: #28a745;
    --danger-color: #dc3545;
    --pure-white: #ffffff;
    
    /* Sizing & Effects */
    --border-radius: 16px;
    --border-radius-small: 10px;
    --transition: all 0.3s ease;
    --container-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --element-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

body.dark-mode {
    /* Dark Mode Palette */
    --page-bg: #121212;
    --container-bg: #1e1e1e;
    --container-border: #3a3a3a;
    --glass-bg: rgba(30, 30, 30, 0.75);
    --text-primary: #f1f1f1;
    --text-secondary: #a0a0a0;
    --container-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
    --element-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   3. Base Layout & Typography
   ========================================================================== */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--page-bg);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
*:focus-visible { outline: 2px solid var(--primary-color); outline-offset: 2px; }

/* ==========================================================================
   4. Header & Progress Bar
   ========================================================================== */
header { background: var(--gradient-primary); color: var(--text-on-primary-bg); padding: 20px; text-align: center; margin: 0 auto 30px auto; border-radius: var(--border-radius); box-shadow: var(--element-shadow); position: relative; overflow: hidden; max-width: 800px; }
.header-content { display: flex; align-items: center; justify-content: space-between; gap: 15px; max-width: 900px; margin: 0 auto; }
#header-logo { height: 60px; }
header h1 { font-size: clamp(1.5rem, 4vw, 2.2rem); margin: 0; font-weight: 700; }
header p { font-size: clamp(0.9rem, 2vw, 1.1rem); color: var(--text-on-primary-bg); opacity: 0.85; }
#theme-toggle { font-size: 1.5rem; line-height: 1; padding: 10px 12px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); color: var(--text-on-primary-bg); border: none; cursor: pointer; transition: var(--transition); }
#theme-toggle:hover { transform: scale(1.1) rotate(15deg); background: rgba(255, 255, 255, 0.2); }
.progress-container { max-width: 800px; margin: 0 auto 30px auto; }
.progress-bar { display: flex; justify-content: space-between; position: relative; }
.progress-bar::before { content: ''; position: absolute; top: 20px; left: 40px; right: 40px; height: 2px; background: var(--container-border); z-index: 1; }
.progress-step { display: flex; flex-direction: column; align-items: center; gap: 8px; position: relative; z-index: 2; background: var(--page-bg); padding: 0 10px; }
.step-circle { width: 40px; height: 40px; border-radius: 50%; background: var(--container-bg); border: 2px solid var(--container-border); display: flex; align-items: center; justify-content: center; font-weight: 600; color: var(--text-secondary); transition: var(--transition); }
.progress-step.active .step-circle { background: var(--primary-color); border-color: var(--primary-color); color: var(--pure-white); }
.step-label { font-size: 0.9em; font-weight: 500; color: var(--text-primary); }

/* ==========================================================================
   5. Main Containers, Forms & Login Page
   ========================================================================== */
main { background-color: var(--container-bg); padding: clamp(15px, 4vw, 30px); border-radius: var(--border-radius); border: 1px solid var(--container-border); max-width: 800px; margin: 0 auto 20px auto; box-shadow: var(--container-shadow); }
#login-setup { max-width: 600px; }
.setup-header, .segment-header, .results-header { text-align: center; margin-bottom: 25px; }
.setup-header h2, .segment-header h2, .results-header h2 { color: var(--primary-color); font-weight: 700; margin-bottom: 10px; }
.setup-subtitle, .segment-subtitle, .results-subtitle { color: var(--text-secondary); font-size: 1.1em; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.input-wrapper, .select-wrapper { position: relative; }
.input-icon, .select-arrow { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--text-secondary); }
input[type="text"], select { width: 100%; padding: 12px 15px; font-size: 1em; color: var(--text-primary); background-color: var(--page-bg); border: 1px solid var(--container-border); border-radius: var(--border-radius-small); font-family: inherit; appearance: none; }
.form-feedback { font-size: 0.9em; margin-top: 5px; min-height: 20px; font-weight: 500; }
.form-feedback.success { color: var(--success-color); }
.form-feedback.error { color: var(--danger-color); }
.form-actions { margin-top: 30px; }
.quick-stats { margin-top: 30px; padding: 20px; background: var(--gradient-secondary, var(--page-bg)); border-radius: var(--border-radius); border: 1px solid var(--container-border); display: flex; justify-content: space-around; align-items: center; text-align: center; }
.stat-number { font-size: 2em; font-weight: 700; color: var(--primary-color); }
.stat-label { font-size: 0.9em; color: var(--text-secondary); margin-top: 5px; }

/* ==========================================================================
   5.5. Home Dashboard Styles
   ========================================================================== */
#home-dashboard {
    max-width: 1200px;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.action-card {
    background: var(--page-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius);
    padding: 25px;
    text-align: center;
    transition: var(--transition);
}

.action-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--element-shadow);
}

.action-icon {
    font-size: 3em;
    margin-bottom: 15px;
    line-height: 1;
}

.action-card h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.3em;
}

.action-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.course-selection-inline {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.course-selection-inline select {
    padding: 10px;
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    background: var(--container-bg);
    color: var(--text-primary);
}

.performance-overview {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 25px;
    align-items: start;
}

.stats-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.achievements-preview, .activity-preview {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.achievement-preview, .activity-preview {
    background: var(--page-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.achievement-preview .achievement-icon,
.activity-preview .activity-icon {
    font-size: 2em;
    line-height: 1;
}

.achievement-preview .achievement-content h4,
.activity-preview .activity-content h4 {
    margin: 0 0 5px 0;
    color: var(--text-primary);
}

.achievement-preview .achievement-content p,
.activity-preview .activity-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9em;
}

.activity-preview .activity-time {
    font-size: 0.8em;
    color: var(--text-secondary);
}

.activity-preview .activity-score {
    font-size: 1.2em;
    font-weight: 700;
    padding: 8px 12px;
    border-radius: var(--border-radius-small);
}

/* Department Indicator */
.department-indicator {
    background: var(--gradient-primary);
    color: var(--text-on-primary-bg);
    padding: 10px 15px;
    border-radius: var(--border-radius-small);
    margin-bottom: 15px;
    text-align: center;
    font-size: 0.9em;
    font-weight: 500;
}

.department-indicator strong {
    font-weight: 700;
}

/* Enhanced Course Selection */
.course-selection-inline select {
    font-size: 0.95em;
    padding: 12px 15px;
}

.course-selection-inline select option {
    padding: 8px;
}

/* ==========================================================================
   6. Buttons & Links
   ========================================================================== */
.segment-btn, .nav-btn { border: none; padding: 12px 25px; border-radius: var(--border-radius-small); cursor: pointer; font-size: 1em; font-weight: 600; transition: var(--transition); box-shadow: var(--element-shadow); display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; }
.segment-btn { background: var(--gradient-primary); color: var(--text-on-primary-bg); width: 100%; }
.segment-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(81, 15, 100, 0.3); }
.segment-actions { display: flex; flex-direction: column; gap: 15px; margin-bottom: 25px; }
.back-link-wrapper { text-align: center; margin-top: 20px; }
.back-link-btn { color: var(--text-primary); background-color: var(--page-bg); border: 1px solid var(--container-border); padding: 10px 25px; border-radius: var(--border-radius-small); text-decoration: none; font-weight: 600; transition: var(--transition); }
.back-link-btn:hover { background-color: var(--container-border); }

/* ==========================================================================
   7. ADVANCED QUIZ INTERFACE & ERROR MESSAGE
   ========================================================================== */
#quiz-host { background: none; border: none; box-shadow: none; padding: 0; }
#quiz-container { background: var(--glass-bg); border: 1px solid var(--container-border); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--container-shadow); border-radius: var(--border-radius); padding: clamp(20px, 4vw, 40px); }
.quiz-progress-container { margin-bottom: 20px; }
.quiz-progress-bar { width: 100%; height: 8px; background: var(--container-border); border-radius: 4px; overflow: hidden; }
.quiz-progress-fill { height: 100%; background: var(--gradient-primary); width: 0%; transition: width 0.3s ease; }
#progress-percentage { text-align: right; font-size: 0.9em; font-weight: 600; color: var(--primary-color); }
#quiz-info { display: flex; justify-content: space-between; align-items: center; color: var(--text-secondary); font-weight: 500; margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px solid var(--container-border); }
#timer { font-weight: 700; color: var(--primary-color); }
body.dark-mode #timer { color: var(--accent-blue); }
#question-area { margin: 30px 0; }
#question-text { font-size: clamp(1.2rem, 3vw, 1.6rem); font-weight: 700; line-height: 1.5; text-align: center; }
#options-container { display: grid; gap: 15px; counter-reset: options-counter; }
.option { display: flex; align-items: center; padding: 15px; border: 1px solid var(--container-border); border-radius: var(--border-radius-small); cursor: pointer; transition: transform 0.2s ease, box-shadow 0.2s ease; background: var(--page-bg); }
.option:hover { transform: translateY(-3px); box-shadow: var(--element-shadow); border-color: var(--primary-color); }
.option input[type="radio"] { display: none; }
.option label { font-size: 1rem; color: var(--text-primary); display: flex; align-items: center; width: 100%; cursor: pointer; }
.option label::before { counter-increment: options-counter; content: counter(options-counter, upper-alpha); display: flex; align-items: center; justify-content: center; width: 35px; height: 35px; border-radius: 50%; border: 2px solid var(--text-secondary); color: var(--text-secondary); font-weight: 700; margin-right: 15px; flex-shrink: 0; transition: var(--transition); }
.option:has(input:checked) { border-color: var(--primary-color); background-color: rgba(81, 15, 100, 0.1); }
.option:has(input:checked) label::before { background-color: var(--primary-color); border-color: var(--primary-color); color: var(--pure-white); }
#navigation-area { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--container-border); }
.nav-center-group { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.question-counter { color: var(--text-secondary); font-weight: 500; }
.quiz-nav-btn, .submit-btn { padding: 12px 30px; font-weight: 700; border-radius: var(--border-radius-small); border: none; cursor: pointer; transition: var(--transition); }
#prev-btn { background-color: transparent; color: var(--text-secondary); border: 2px solid var(--container-border); }
#prev-btn:hover { background-color: var(--page-bg); color: var(--text-primary); border-color: var(--text-primary); }
#next-btn { background: var(--gradient-primary); color: var(--text-on-primary-bg); box-shadow: 0 4px 15px rgba(81, 15, 100, 0.3); }
#next-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(81, 15, 100, 0.4); }
.submit-btn { background-color: var(--success-color); color: var(--pure-white); box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3); }
.submit-btn:disabled, .quiz-nav-btn:disabled { background-color: var(--container-border); color: var(--text-secondary); cursor: not-allowed; box-shadow: none; transform: none; }
.mark-btn { padding: 8px 15px; border: 2px solid var(--container-border); background-color: transparent; color: var(--text-secondary); border-radius: var(--border-radius-small); cursor: pointer; white-space: nowrap; }
.mark-btn:hover { border-color: var(--mark-color); color: var(--mark-color); }
.mark-btn.active { background-color: var(--mark-color); border-color: var(--mark-color); color: var(--pure-white); }
.error-message-container { display: flex; flex-direction: column; align-items: center; gap: 15px; padding: 30px; background-color: var(--container-bg); border: 1px solid var(--container-border); border-radius: var(--border-radius); max-width: 450px; margin: 40px auto; text-align: center; }
.error-icon { font-size: 2.5em; font-weight: 700; color: var(--danger-color); border: 3px solid var(--danger-color); width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; line-height: 1; }
.error-title { font-size: 1.5em; font-weight: 700; color: var(--text-primary); margin-top: 10px; }
.error-subtitle { font-size: 1em; color: var(--text-secondary); margin-bottom: 15px; }
.error-message-container .back-link-btn { background-color: var(--primary-color); color: var(--pure-white); border-color: var(--primary-color); }
.error-message-container .back-link-btn:hover { background-color: var(--primary-hover); }

/* ==========================================================================
   8. Results & Advanced Review Design
   ========================================================================== */
#results-container { background: var(--glass-bg); border: 1px solid var(--container-border); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--container-shadow); border-radius: var(--border-radius); padding: clamp(20px, 4vw, 40px); }
.results-header .results-icon { font-size: 3em; }
.score-display { display: flex; align-items: center; justify-content: center; text-align: left; gap: 20px; margin: 20px 0; }
.score-circle { width: 100px; height: 100px; border-radius: 50%; background: var(--gradient-primary); color: white; display: flex; align-items: center; justify-content: center; font-size: 1.8em; font-weight: 700; flex-shrink: 0; }
#score-text { font-size: 1.2em; font-weight: 600; }
#feedback-text { font-size: 1.1em; color: var(--text-secondary); font-style: italic; }
.results-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 20px 0; }
.results-actions .segment-btn { grid-column: 1 / -1; }
#detailed-results { margin-top: 30px; border-top: 1px solid var(--container-border); padding-top: 30px; }
.review-card { background: var(--page-bg); border: 1px solid var(--container-border); border-radius: var(--border-radius-small); margin-bottom: 20px; overflow: hidden; }
.review-card.marked-review { border-left: 5px solid var(--mark-color); }
.review-card-header { display: flex; justify-content: space-between; align-items: center; padding: 10px 15px; background-color: var(--container-bg); border-bottom: 1px solid var(--container-border); }
.review-question-number { font-weight: 700; color: var(--text-primary); }
.review-marked-icon { font-weight: 600; color: var(--mark-color); }
.review-status { padding: 4px 10px; border-radius: 20px; font-size: 0.9em; font-weight: 700; color: var(--pure-white); }
.correct-status { background-color: var(--success-color); }
.incorrect-status { background-color: var(--danger-color); }
.review-card-body { padding: 15px; }
.review-question-text { font-weight: 600; margin-bottom: 15px; }
.review-answer { padding: 10px; border-radius: 8px; margin-top: 10px; }
.user-answer.incorrect-answer { background-color: rgba(220, 53, 69, 0.1); color: var(--danger-color); text-decoration: line-through; }
.user-answer.correct-answer { background-color: rgba(40, 167, 69, 0.1); color: var(--success-color); }
.correct-answer-reveal { background-color: rgba(40, 167, 69, 0.15); color: var(--success-color); font-weight: 600; }

/* ==========================================================================
   9. Footer & Advanced Static Pages
   ========================================================================== */
footer { text-align: center; margin: auto auto 0 auto; padding: 20px; font-size: 0.9em; background: var(--gradient-primary); color: var(--text-on-primary-bg); opacity: 0.95; border-radius: var(--border-radius); max-width: 800px; }
.footer-links { margin-top: 10px; display: flex; justify-content: center; align-items: center; gap: 25px; flex-wrap: wrap; }
footer a { color: var(--text-on-primary-bg); opacity: 0.8; text-decoration: none; transition: var(--transition); }
footer a:hover { color: var(--pure-white); opacity: 1; text-decoration: underline; }

.page-header, .page-section { text-align: center; margin-bottom: 40px; }
.page-section.text-center { max-width: 700px; margin-left: auto; margin-right: auto; }
.page-header h2, .page-section h2 { font-size: 2em; color: var(--primary-color); margin-bottom: 10px; }
.page-header p, .section-subtitle { font-size: 1.1em; color: var(--text-secondary); }
.advanced-card { background-color: var(--page-bg); border: 1px solid var(--container-border); border-radius: var(--border-radius); padding: 25px; text-align: center; transition: var(--transition); }
.advanced-card:hover { transform: translateY(-5px); box-shadow: var(--container-shadow); }
.card-icon { font-size: 2.5em; margin-bottom: 15px; line-height: 1; }
.advanced-card h3 { font-size: 1.3em; margin-bottom: 10px; color: var(--text-primary); }
.advanced-card p { color: var(--text-secondary); line-height: 1.7; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.card-description { margin-bottom: 20px; min-height: 60px; }
.card-details { text-align: left; color: var(--text-secondary); }
.card-details p { margin-bottom: 10px; }
.copy-container { display: flex; justify-content: space-between; align-items: center; }
.copy-btn { padding: 5px 12px; border: 1px solid var(--container-border); background-color: var(--container-bg); color: var(--text-primary); border-radius: var(--border-radius-small); cursor: pointer; font-weight: 600; }
.copy-btn.copied { background-color: var(--success-color); color: var(--pure-white); border-color: var(--success-color); }
.card-actions { display: flex; flex-direction: column; gap: 15px; }
.action-btn { padding: 12px; border-radius: var(--border-radius-small); text-decoration: none; font-weight: 600; color: var(--pure-white); transition: var(--transition); }
.whatsapp-btn { background-color: #25D366; }
.phone-btn { background-color: #34B7F1; }
.action-btn:hover { filter: brightness(110%); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; margin-top: 20px; }
.faq-container { max-width: 750px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--container-border); }
.faq-question { width: 100%; background: none; border: none; padding: 20px; text-align: left; font-size: 1.1em; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--text-primary); }
.faq-question:hover { background-color: rgba(128, 128, 128, 0.05); }
.faq-icon { font-size: 1.5em; font-weight: 300; color: var(--primary-color); transition: transform 0.2s ease; }
.faq-question.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; padding: 0 20px; }
.faq-answer p { padding-bottom: 20px; color: var(--text-secondary); line-height: 1.8; }
.faq-answer a { color: var(--primary-color); font-weight: 600; text-decoration: none; }
.faq-answer a:hover { text-decoration: underline; }

/* ==========================================================================
   11. Welcome Back Message & Dashboard Styles
   ========================================================================== */
.welcome-back-message {
    background: var(--gradient-primary);
    color: var(--text-on-primary-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 20px auto 30px auto;
    max-width: 800px;
    text-align: center;
    box-shadow: var(--container-shadow);
    animation: slideInFromTop 0.5s ease-out;
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* User Analytics Table Styles */
.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 20px;
    flex-wrap: wrap;
}

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

.table-filters {
.nav-btn.info-btn {
    background: #3b82f6;
    color: white;
}

.nav-btn.info-btn:hover {
    background: #2563eb;
}

.nav-btn.info-btn.active {
    background: #1d4ed8;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.admin-search {
    padding: 8px 12px;
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    background: var(--page-bg);
    color: var(--text-primary);
    font-size: 0.9em;
    min-width: 200px;
}

.table-container {
    overflow-x: auto;
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    background: var(--page-bg);
}

.analytics-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9em;
}

.analytics-table th {
    background: var(--container-bg);
    color: var(--text-primary);
    font-weight: 600;
    padding: 12px 8px;
    text-align: left;
    border-bottom: 2px solid var(--container-border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 10;
}

.analytics-table th.sortable {
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.analytics-table th.sortable:hover {
    background: var(--page-bg);
}

.sort-arrow {
    font-size: 0.8em;
    margin-left: 5px;
    opacity: 0.6;
}

.analytics-table td {
    padding: 12px 8px;
    border-bottom: 1px solid var(--container-border);
    color: var(--text-primary);
}

.user-row:hover {
    background: rgba(81, 15, 100, 0.05);
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.active-indicator {
    font-size: 0.8em;
    color: var(--success-color);
    font-weight: 500;
}

.department-tag {
    background: var(--primary-color);
    color: var(--text-on-primary-bg);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 500;
    white-space: nowrap;
}

.score-display {
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.9em;
}

.score-display.excellent {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.score-display.good {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.score-display.poor {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.perfect-score {
    font-weight: 600;
    color: var(--primary-color);
}

.streak-display {
    font-weight: 600;
    color: var(--mark-color);
}

.level-badge {
    background: var(--gradient-primary);
    color: var(--text-on-primary-bg);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
}

.performance-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
    white-space: nowrap;
}

.performance-badge.excellent {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.performance-badge.good {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.performance-badge.poor {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.action-buttons {
    display: flex;
    gap: 5px;
    justify-content: center;
}

.action-btn-small {
    padding: 4px 8px;
    border: none;
    border-radius: var(--border-radius-small);
    font-size: 0.8em;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.view-btn {
    background: var(--primary-color);
    color: var(--text-on-primary-bg);
}

.view-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.export-btn {
    background: var(--success-color);
    color: var(--text-on-primary-bg);
}

.export-btn:hover {
    background: #218838;
    transform: translateY(-1px);
}

.table-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 15px;
    background: var(--page-bg);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--container-border);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pagination-info {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 0.9em;
}

.no-users-message {
    text-align: center;
    padding: 40px 20px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.empty-icon {
    font-size: 3em;
    opacity: 0.5;
}

.empty-state h4 {
    color: var(--text-primary);
    margin: 0;
}

.empty-state p {
    color: var(--text-secondary);
    margin: 0;
}

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

/* User Detail Modal */
.user-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.user-modal {
    background: var(--container-bg);
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--container-shadow);
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--container-border);
    background: var(--gradient-primary);
    color: var(--text-on-primary-bg);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3em;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-on-primary-bg);
    font-size: 1.5em;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-content {
    padding: 20px;
}

.user-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.stat-item {
    background: var(--page-bg);
    padding: 15px;
    border-radius: var(--border-radius-small);
    text-align: center;
    border: 1px solid var(--container-border);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-bottom: 5px;
}

.stat-value {
    display: block;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2em;
}

.recent-quizzes h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.quiz-history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: var(--page-bg);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--container-border);
}

.quiz-course {
    font-weight: 600;
    color: var(--text-primary);
}

.quiz-score {
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.9em;
}

.quiz-date {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.welcome-content h3 {
    margin-bottom: 20px;
    font-size: 1.5em;
}

.welcome-content .user-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.welcome-content .stat-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 10px;
    border-radius: var(--border-radius-small);
    backdrop-filter: blur(10px);
}

.welcome-content .stat-number {
    display: block;
    font-size: 1.8em;
    font-weight: 700;
    color: var(--text-on-primary-bg);
}

.welcome-content .stat-label {
    font-size: 0.9em;
    opacity: 0.9;
}

.view-dashboard-btn {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-on-primary-bg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 12px 25px;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.view-dashboard-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Dashboard Specific Styles */
#dashboard-page {
    max-width: 1200px;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
}

.dashboard-section {
    background: var(--container-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--container-shadow);
}

.dashboard-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5em;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--page-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--element-shadow);
}

.stat-icon {
    font-size: 2.5em;
    line-height: 1;
}

.stat-content .stat-number {
    font-size: 2em;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-content .stat-label {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-top: 5px;
}

.chart-container {
    position: relative;
    height: 300px;
    background: var(--page-bg);
    border-radius: var(--border-radius-small);
    padding: 20px;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
}

.achievement-card {
    background: var(--page-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
    position: relative;
}

.achievement-card.unlocked {
    border-color: var(--success-color);
    background: rgba(40, 167, 69, 0.05);
}

.achievement-card.locked {
    opacity: 0.6;
}

.achievement-icon {
    font-size: 2em;
    line-height: 1;
}

.achievement-content h4 {
    margin: 0 0 5px 0;
    color: var(--text-primary);
}

.achievement-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9em;
}

.achievement-status {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.2em;
}

.weak-area-card, .course-progress-card, .activity-card {
    background: var(--page-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    padding: 15px;
    margin-bottom: 15px;
}

.weak-area-header, .course-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.course-badge {
    background: var(--primary-color);
    color: var(--text-on-primary-bg);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
}

.wrong-count {
    color: var(--danger-color);
    font-weight: 600;
    font-size: 0.9em;
}

.weak-question {
    font-weight: 600;
    margin-bottom: 8px;
}

.correct-answer {
    color: var(--success-color);
    font-size: 0.9em;
}

.course-progress-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.progress-stat {
    text-align: center;
}

.progress-stat .stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8em;
    margin-bottom: 5px;
}

.progress-stat .stat-value {
    font-weight: 700;
    color: var(--text-primary);
}

.progress-bar {
    height: 8px;
    background: var(--container-border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.trend-indicator {
    font-size: 1.2em;
}

.trend-indicator.improving {
    color: var(--success-color);
}

.trend-indicator.declining {
    color: var(--danger-color);
}

.activity-card {
    display: flex;
    align-items: center;
    gap: 15px;
}

.activity-icon {
    font-size: 2em;
    line-height: 1;
}

.activity-content {
    flex: 1;
}

.activity-content h4 {
    margin: 0 0 5px 0;
    color: var(--text-primary);
}

.activity-content p {
    margin: 0 0 5px 0;
    color: var(--text-secondary);
}

.activity-time {
    font-size: 0.8em;
    color: var(--text-secondary);
}

.activity-score {
    font-size: 1.5em;
    font-weight: 700;
    padding: 10px 15px;
    border-radius: var(--border-radius-small);
}

.activity-score.good-score {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.activity-score.ok-score {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.activity-score.poor-score {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.dashboard-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.danger-btn {
    background-color: var(--danger-color) !important;
    color: var(--text-on-primary-bg) !important;
    border-color: var(--danger-color) !important;
}

.danger-btn:hover {
    background-color: #c82333 !important;
    border-color: #c82333 !important;
}

.no-data {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    padding: 20px;
}

/* Friendly Message Overlay */
.friendly-message {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.message-content {
    background: var(--container-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--container-shadow);
    animation: slideUp 0.3s ease;
}

.message-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.message-content h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.3em;
}

.message-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.message-close {
    background: var(--gradient-primary);
    color: var(--text-on-primary-bg);
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.message-close:hover {
    transform: translateY(-2px);
    box-shadow: var(--element-shadow);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* XP Display in Results */
.xp-display {
    text-align: center;
    margin: 20px 0;
    padding: 15px;
    background: var(--gradient-primary);
    color: var(--text-on-primary-bg);
    border-radius: var(--border-radius-small);
}

.xp-gained {
    font-size: 1.5em;
    font-weight: 700;
    margin-bottom: 5px;
}

.new-achievements {
    font-size: 1.1em;
    font-weight: 600;
}

/* Question Explanations */
.question-explanation {
    background: rgba(81, 15, 100, 0.05);
    border-left: 4px solid var(--primary-color);
    padding: 15px;
    margin-top: 15px;
    border-radius: 0 var(--border-radius-small) var(--border-radius-small) 0;
    color: var(--text-primary);
}

/* Loading Animation */
.loading-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 40px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--container-border);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-animation h3 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1.3em;
}

.loading-animation p {
    color: var(--text-secondary);
    margin: 0;
}

/* ==========================================================================
   12. Responsive Adjustments
   ========================================================================== */
@media (max-width: 768px) {
    body { padding: 10px; }
    header, footer { 
        margin-left: 0; 
        margin-right: 0; 
        border-radius: var(--border-radius-small); 
    }
    .header-content { 
        flex-direction: column; 
        gap: 15px; 
        text-align: center; 
        position: relative; 
    }
    #theme-toggle { 
        position: absolute; 
        top: 15px; 
        right: 15px; 
        width: auto; 
    }
    .contact-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
    .achievements-grid { grid-template-columns: 1fr; }
    .dashboard-actions { flex-direction: column; }
    
    /* Home Dashboard Mobile Improvements */
    .quick-actions-grid { 
        grid-template-columns: 1fr; 
        gap: 15px; 
    }
    
    .performance-overview { 
        grid-template-columns: 1fr; 
        gap: 20px; 
    }
    
    .stats-summary { 
        grid-template-columns: repeat(2, 1fr); 
        gap: 10px; 
    }
    
    .header-actions { 
        flex-direction: row; 
        gap: 8px; 
        justify-content: center; 
    }
    
    .header-actions .nav-btn { 
        padding: 8px 12px; 
        font-size: 0.9em; 
    }
    
    .course-selection-inline { 
        gap: 12px; 
    }
    
    .chart-container { 
        height: 250px; 
        padding: 15px; 
    }
    
    .achievements-preview, .activity-preview { 
        gap: 12px; 
    }
    
    .achievement-preview, .activity-preview { 
        padding: 12px; 
        flex-direction: column; 
        text-align: center; 
    }
    
    .activity-preview .activity-score { 
        font-size: 1.1em; 
        padding: 6px 10px; 
    }
}

@media (max-width: 600px) {
    body { padding: 8px; }
    header, footer { 
        border-radius: 8px; 
        margin-left: 0; 
        margin-right: 0; 
    }
    .progress-bar { justify-content: space-evenly; }
    .step-label { display: none; }
    .progress-bar::before { left: 15%; right: 15%; }
    #navigation-area { flex-direction: column; gap: 15px; }
    #prev-btn, #next-btn, .submit-btn, .mark-btn { width: 100%; }
    .nav-center-group { order: 1; width: 100%; }
    #prev-btn { order: 2; }
    #next-btn, .submit-btn { order: 3; }

    /* FIXED: Keep footer links horizontal on small screens */
    .footer-links { 
        flex-direction: row; 
        flex-wrap: wrap; 
        justify-content: center; 
        gap: 25px; 
    }

    .score-display { flex-direction: column; text-align: center; }
    .quick-stats { flex-direction: column; align-items: flex-start; gap: 20px; }
    .stat-item { display: flex; align-items: center; gap: 15px; width: 100%; }
    .welcome-content .user-stats { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: 1fr; }
    .course-progress-stats { flex-direction: column; gap: 10px; }
    .activity-card { flex-direction: column; text-align: center; }
    .performance-overview { grid-template-columns: 1fr; }
    .stats-summary { grid-template-columns: 1fr; }
    .quick-actions-grid { grid-template-columns: 1fr; }
    .header-actions { flex-direction: column; gap: 10px; }
    
    /* Extra Small Mobile Improvements */
    main { 
        padding: 15px; 
        margin-left: 0; 
        margin-right: 0; 
        border-radius: var(--border-radius-small); 
    }
    
    .dashboard-section { 
        padding: 20px; 
        margin-bottom: 20px; 
    }
    
    .dashboard-section h2 { 
        font-size: 1.3em; 
        margin-bottom: 15px; 
    }
    
    .action-card { 
        padding: 20px; 
    }
    
    .action-card h3 { 
        font-size: 1.2em; 
    }
    
    .action-icon { 
        font-size: 2.5em; 
        margin-bottom: 12px; 
    }
    
    .stat-card { 
        padding: 15px; 
        gap: 12px; 
    }
    
    .stat-icon { 
        font-size: 2em; 
    }
    
    .stat-content .stat-number { 
        font-size: 1.8em; 
    }
    
    .chart-container { 
        height: 200px; 
        padding: 10px; 
    }
    
    .achievement-preview .achievement-icon,
    .activity-preview .activity-icon { 
        font-size: 1.8em; 
    }
    
    .achievement-preview .achievement-content h4,
    .activity-preview .activity-content h4 { 
        font-size: 1em; 
    }
    
    .achievement-preview .achievement-content p,
    .activity-preview .activity-content p { 
        font-size: 0.85em; 
    }
    
    /* Login Page Mobile */
    .setup-header h2 { 
        font-size: 1.8em; 
    }
    
    .setup-subtitle { 
        font-size: 1em; 
    }
    
    .quick-stats { 
        padding: 15px; 
        gap: 15px; 
    }
    
    .stat-number { 
        font-size: 1.8em; 
    }
    
    .stat-label { 
        font-size: 0.8em; 
    }
}

/* ==========================================================================
   13. Large Screen Optimizations
   ========================================================================== */
@media (min-width: 1200px) {
    main, #home-dashboard { 
        max-width: 1400px; 
    }
    
    .quick-actions-grid { 
        grid-template-columns: repeat(3, 1fr); 
    }
    
    .stats-summary { 
        grid-template-columns: repeat(4, 1fr); 
    }
    
    .achievements-preview, .activity-preview { 
        display: grid; 
        grid-template-columns: repeat(2, 1fr); 
        gap: 15px; 
    }
    
    .chart-container { 
        height: 350px; 
    }
}

/* ==========================================================================
   14. Touch and Accessibility Improvements
   ========================================================================== */
@media (hover: none) and (pointer: coarse) {
    /* Better mobile spacing */
    body { padding: 8px; }
    header, footer, main { 
        margin-left: 0; 
        margin-right: 0; 
        border-radius: var(--border-radius-small); 
    }
    
    /* Touch device optimizations */
    .segment-btn, .nav-btn, .action-btn { 
        min-height: 44px; 
        padding: 12px 20px; 
    }
    
    .option { 
        min-height: 50px; 
        padding: 15px; 
    }
    
    .faq-question { 
        min-height: 50px; 
        padding: 15px 20px; 
    }
    
    .stat-card:hover, 
    .action-card:hover, 
    .achievement-card:hover { 
        transform: none; 
    }
}
/* ==========================================================================
   13. ADMIN PAGE (ELD.html) STYLES
   ========================================================================== */

body.admin-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--page-bg);
    padding: 20px;
}

.login-card {
    background-color: var(--container-bg);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--container-shadow);
    border: 1px solid var(--container-border);
    width: 100%;
    max-width: 450px;
    text-align: center;
    transition: var(--transition);
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.login-logo {
    height: 80px;
    margin-bottom: 25px;
    transition: var(--transition);
}

.login-logo:hover {
    transform: scale(1.05);
}

.login-card h2 {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.8em;
    font-weight: 700;
}

.login-card p {
    margin-bottom: 30px;
    color: var(--text-secondary);
    font-size: 1.1em;
    line-height: 1.6;
}

.login-card .form-group {
    text-align: left;
    margin-bottom: 25px;
}

.login-card .form-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: block;
    font-size: 1em;
}

.login-card input {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    background-color: var(--page-bg);
    color: var(--text-primary);
    font-size: 1em;
    transition: var(--transition);
}

.login-card input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(81, 15, 100, 0.1);
}

.login-card input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.admin-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--container-border);
    text-align: center;
}

.admin-footer p {
    margin: 5px 0;
    font-size: 0.9em;
    color: var(--text-secondary);
}

.version-info {
    font-size: 0.8em !important;
    opacity: 0.7;
}

#admin-dashboard {
    width: 100%;
    min-height: 100vh;
    background-color: var(--page-bg);
}

#admin-dashboard header {
    margin-bottom: 30px;
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

#admin-dashboard main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.admin-section {
    background: var(--container-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--container-shadow);
}

.admin-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5em;
    font-weight: 700;
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.admin-stat-card {
    background: var(--page-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.admin-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--element-shadow);
    border-color: var(--primary-color);
}

.department-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.department-card {
    background: var(--page-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.department-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--element-shadow);
}

.department-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2em;
    font-weight: 600;
}

.dept-stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.dept-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dept-number {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.dept-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-top: 5px;
}

.activity-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
}

.admin-select {
    padding: 8px 12px;
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    background: var(--page-bg);
    color: var(--text-primary);
    font-size: 0.9em;
}

.admin-activity-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    background: var(--page-bg);
}

.admin-activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--container-border);
    transition: var(--transition);
}

.admin-activity-item:hover {
    background: rgba(81, 15, 100, 0.05);
}

.admin-activity-item:last-child {
    border-bottom: none;
}

.activity-user {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.activity-user strong {
    color: var(--text-primary);
    font-weight: 600;
}

.activity-dept {
    font-size: 0.8em;
    color: var(--text-secondary);
    margin-top: 2px;
}

.activity-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.activity-course {
    font-size: 0.9em;
    color: var(--text-primary);
    font-weight: 500;
}

.activity-score {
    font-size: 1.1em;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 12px;
    margin-top: 5px;
}

.activity-score.good {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.activity-score.ok {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.activity-score.poor {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.activity-time {
    font-size: 0.8em;
    color: var(--text-secondary);
    text-align: right;
}

.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.management-card {
    background: var(--page-bg);
    border: 1px solid var(--container-border);
    border-radius: var(--border-radius-small);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.management-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--element-shadow);
}

.online-users-card {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
}

.online-users-card .stat-icon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.management-card h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.2em;
}

.management-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-dot.online {
    background-color: var(--success-color);
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.quick-actions-admin {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-on-primary-bg);
}

.warning-btn {
    background-color: #ffc107;
}

.warning-btn:hover {
    background-color: #e0a800;
    transform: translateY(-2px);
}

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

.success-btn:hover {
    background-color: #218838;
    transform: translateY(-2px);
}

.info-btn {
    background-color: #17a2b8;
}

.info-btn:hover {
    background-color: #138496;
    transform: translateY(-2px);
}

/* Admin Notifications */
.admin-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: var(--border-radius-small);
    color: var(--text-on-primary-bg);
    font-weight: 600;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: var(--element-shadow);
}

.admin-notification.show {
    transform: translateX(0);
}

.admin-notification.success {
    background-color: var(--success-color);
}

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

.admin-notification.info {
    background-color: #17a2b8;
}

/* Mobile Responsive for Admin */
@media (max-width: 768px) {
    body.admin-page {
        padding: 10px;
    }
    
    .login-card {
        padding: 25px;
        max-width: 100%;
    }
    
    .admin-header-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .department-grid {
        grid-template-columns: 1fr;
    }
    
    .management-grid {
        grid-template-columns: 1fr;
    }
    
    .activity-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .admin-activity-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .activity-details {
        align-items: flex-start;
        text-align: left;
    }
    
    .quick-actions-admin {
        flex-direction: column;
    }
    
    .admin-notification {
        right: 10px;
        left: 10px;
        transform: translateY(-100%);
    }
    
    .admin-notification.show {
        transform: translateY(0);
    }
    
    .table-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .table-filters {
        flex-direction: column;
        gap: 10px;
.pagination-controls-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-select-small {
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 12px;
    min-width: 120px;
}

    }
    display: flex;
    align-items: center;
    gap: 15px;
    
    .admin-search {
        min-width: auto;
        width: 100%;
.jump-to-page {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-jump-input {
    width: 60px;
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 12px;
    text-align: center;
}

.performance-warning {
    background: #fff3cd;
    color: #856404;
    padding: 10px 15px;
    border-radius: 6px;
    margin: 10px 0;
    font-size: 14px;
    border: 1px solid #ffeaa7;
}

.dark-mode .performance-warning {
    background: #3d3d00;
    color: #ffeb3b;
    border-color: #5d5d00;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 40px 20px;
}

.loading-state .loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

    }
    
    .table-pagination {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .pagination-info {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .pagination-controls {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .jump-to-page {
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
    
    .analytics-table {
        font-size: 0.8em;
    }
    
    .analytics-table th,
    .analytics-table td {
        padding: 8px 4px;
    }
    
    .table-pagination {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .user-modal {
        width: 95%;
        margin: 10px;
    }
    
    .user-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 3px;
    }
}