/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    animation: fadeIn 1s ease-out;
    overflow-x: hidden;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    animation: slideInDown 0.8s ease-out;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideInLeft 1s ease-out 0.2s both;
}

.logo i {
    color: #ffd700;
    animation: pulse 2s infinite;
}

.logo:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* Navigation */
.nav {
    display: flex;
    gap: 1rem;
    animation: slideInRight 1s ease-out 0.4s both;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-admin {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
}

.btn-admin:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5a67d8;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* Main Content */
.main {
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInScale 1s ease-out 0.6s both;
}

.hero h2 {
    font-size: 2.5rem;
    color: #2d3748;
    margin-bottom: 0.5rem;
    animation: slideInUp 0.8s ease-out 0.8s both;
    background: linear-gradient(135deg, #2d3748 0%, #667eea 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #718096;
    margin-bottom: 2rem;
    animation: slideInUp 0.8s ease-out 1s both;
}

.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: bounceIn 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.stat-card:nth-child(1) { animation-delay: 1.2s; }
.stat-card:nth-child(2) { animation-delay: 1.4s; }
.stat-card:nth-child(3) { animation-delay: 1.6s; }

.stat-card.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    animation: glow 3s infinite;
}

.stat-card.highlight .stat-number {
    color: #ffd700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    font-weight: 800;
}

.stat-card.highlight .stat-label {
    color: #f0f8ff;
    font-weight: 600;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Sections */
.section {
    margin-bottom: 3rem;
}

.section h3 {
    font-size: 1.5rem;
    color: #2d3748;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section h3 i {
    color: #667eea;
}

/* Controls Container */
.controls-container {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
    align-items: end;
    flex-wrap: wrap;
}

.month-selector {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 200px;
}

.month-selector label {
    font-weight: 500;
    color: #2d3748;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.month-dropdown {
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.month-dropdown:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Search */
.search-container {
    position: relative;
    margin-bottom: 1rem;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
}

/* Tables */
.table-container {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    animation: fadeInScale 0.6s ease-out;
}

.table-container:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.data-table th:nth-child(1),
.data-table td:nth-child(1) {
    width: 40%;
}

.data-table th:nth-child(2),
.data-table td:nth-child(2) {
    width: 30%;
    text-align: center;
}

.data-table th:nth-child(3),
.data-table td:nth-child(3) {
    width: 30%;
    text-align: center;
}

.data-table th,
.data-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid #f1f5f9;
    transition: background-color 0.2s ease;
}

.data-table th {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    font-weight: 700;
    color: #2d3748;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
    position: sticky;
    top: 0;
}

.data-table tbody tr {
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.04), rgba(118, 75, 162, 0.04));
}

.total-row {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white;
    font-weight: 700;
}

.total-row:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%) !important;
}

.total-row td {
    border-bottom: none;
}

/* Social Section */
.social-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-top: 2rem;
}

.social-section h3 {
    margin-bottom: 1.5rem;
}

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

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: translateY(-2px);
}

.social-link.facebook {
    background: #1877f2;
}

.social-link.youtube {
    background: #ff0000;
}

.social-link i {
    font-size: 1.2rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-content.admin-login {
    max-width: 400px;
}

.modal-content.admin-panel {
    max-width: 1000px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px 12px 0 0;
}

.modal-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.close-btn:hover {
    opacity: 1;
}

.modal-body {
    padding: 2rem;
}

/* Admin Authentication */
.demo-credentials {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f7fafc;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.demo-credentials code {
    background: #e2e8f0;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

/* Admin Options */
.admin-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.admin-option-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.admin-option-btn:hover {
    border-color: #667eea;
    background: #f7fafc;
    transform: translateY(-2px);
}

.admin-option-btn i {
    font-size: 2rem;
    color: #667eea;
}

.admin-option-btn h4 {
    margin: 0 0 0.5rem 0;
    color: #2d3748;
}

.admin-option-btn p {
    margin: 0;
    color: #718096;
    font-size: 0.9rem;
}

/* Admin Sections */
.admin-section {
    animation: slideInUp 0.3s ease-out;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.section-header h4 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #2d3748;
}

/* Table Builder */
.table-builder {
    background: #f7fafc;
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 1rem;
}

.table-builder h5 {
    margin: 0 0 1rem 0;
    color: #2d3748;
}

.table-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.new-row {
    background: #fff9c4 !important;
}

.new-row input {
    border: 2px solid #f6e05e;
}

.country-input, .visa-input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.9rem;
}

.country-input:focus, .visa-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

.delete-row-btn {
    background: #e53e3e;
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background 0.3s ease;
}

.delete-row-btn:hover {
    background: #c53030;
}

/* Current Data Display */
.current-data {
    margin-top: 2rem;
    padding: 1rem;
    background: #f7fafc;
    border-radius: 8px;
}

.current-data h6 {
    margin: 0 0 1rem 0;
    color: #2d3748;
}

.monthly-data-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
}

.monthly-data-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    background: white;
    border-radius: 6px;
    border-left: 3px solid #667eea;
}

.monthly-data-item strong {
    color: #667eea;
}

/* Button Styles */
.btn-secondary {
    background: #718096;
    color: white;
}

.btn-secondary:hover {
    background: #4a5568;
}

.btn-success {
    background: #38a169;
    color: white;
}

.btn-success:hover {
    background: #2f855a;
}

/* Enhanced Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    50% {
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.tab-btn {
    padding: 0.75rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 500;
    color: #718096;
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

.tab-content {
    display: none;
}

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

/* Admin Panel Specific */
.current-month-info {
    background: #f7fafc;
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #4a5568;
    border-left: 3px solid #667eea;
}

/* Forms */
.admin-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: #2d3748;
}

.form-group input {
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

.footer a {
    color: #667eea;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .stats-overview {
        grid-template-columns: 1fr;
    }

    .social-links {
        grid-template-columns: 1fr;
    }

    .data-table {
        font-size: 0.9rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }

    .controls-container {
        flex-direction: column;
        gap: 1rem;
    }

    .month-selector {
        min-width: auto;
        width: 100%;
    }

    /* Mobile Admin Panel */
    .modal-content {
        width: 95%;
        margin: 0.5rem;
    }

    .admin-options {
        grid-template-columns: 1fr;
    }

    .admin-option-btn {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .admin-header-actions {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .table-actions {
        flex-direction: column;
    }

    .monthly-data-list {
        grid-template-columns: 1fr;
    }

    /* Smaller buttons on mobile */
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    /* Stack form groups on mobile */
    .admin-form .form-group {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .modal-body {
        padding: 1rem;
    }

    .admin-option-btn {
        padding: 1rem;
    }

    .table-builder {
        padding: 1rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Highlight animations */
.highlight-update {
    animation: highlightFlash 1s ease-in-out;
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

/* Loading states and micro-interactions */
.loading-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Scroll-triggered animations */
@media (prefers-reduced-motion: no-preference) {
    .chart-section {
        animation: floating 6s ease-in-out infinite;
    }
    
    .stat-card.highlight {
        animation: breathe 4s ease-in-out infinite, glow 3s infinite;
    }
    
    .social-section {
        animation: slideInUp 0.8s ease-out;
    }
}

/* Main Statistics Grid */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    animation: slideInUp 0.8s ease-out 0.4s both;
}

.stat-box {
    background: white;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-left: 4px solid #4f46e5;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    animation: fadeInScale 0.6s ease-out;
}

.stat-box::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.stat-box:hover::after {
    opacity: 1;
}

.stat-box:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    border-left-width: 6px;
}

.stat-box:nth-child(1) { animation-delay: 0.6s; }
.stat-box:nth-child(2) { animation-delay: 0.8s; }
.stat-box:nth-child(3) { animation-delay: 1.0s; }

.stat-number {
    font-size: 2.4rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #2d3748 0%, #667eea 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-box:hover .stat-number {
    transform: scale(1.1);
}

.stat-label {
    font-size: 0.9rem;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    transition: color 0.3s ease;
}

.stat-box:hover .stat-label {
    color: #667eea;
}

/* Course Promotion Styles */
.course-promo {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 16px;
    padding: 30px;
    margin: 30px 0;
    display: flex;
    align-items: center;
    gap: 25px;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.8s ease-out;
}

.course-promo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.8s ease;
}

.course-promo:hover::before {
    left: 100%;
}

.course-promo:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
}

.course-icon {
    font-size: 4rem;
    opacity: 0.9;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: pulse 3s infinite;
}

.course-promo:hover .course-icon {
    transform: rotate(10deg) scale(1.1);
    background: rgba(255,255,255,0.25);
}

.course-content h3 {
    margin: 0 0 10px 0;
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(45deg, #ffffff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInLeft 0.6s ease-out 0.2s both;
}

.course-content p {
    margin: 0;
    opacity: 0.95;
    line-height: 1.6;
    font-size: 1.1rem;
    animation: slideInLeft 0.6s ease-out 0.4s both;
}

.course-promo:hover .course-content h3 {
    transform: translateX(5px);
}

.course-promo:hover .course-content p {
    transform: translateX(5px);
}

/* Search Container */
.search-container {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    align-items: stretch;
    max-width: 500px;
    animation: slideInUp 0.6s ease-out 0.2s both;
}

.search-container input {
    flex: 1;
    min-width: 200px;
    padding: 15px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background: white;
    position: relative;
}

.search-container input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.search-container input:hover {
    border-color: #cbd5e0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.search-container button {
    padding: 15px 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 120px;
    position: relative;
    overflow: hidden;
}

.search-container button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.search-container button:hover::before {
    left: 100%;
}

.search-container button:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.search-container button:active {
    transform: translateY(-1px) scale(1.02);
}

/* Quota Styles - 3 Dynamic Boxes */
.quota-info {
    margin: 20px 0;
    animation: slideInUp 0.6s ease-out;
}

.quota-boxes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 15px;
}

.quota-stat-box {
    background: white;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
    border-left: 4px solid #4f46e5;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    animation: bounceIn 0.8s ease-out;
}

.quota-stat-box::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #667eea);
    z-index: -1;
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.quota-stat-box:hover::before {
    opacity: 1;
    animation: shimmer 2s linear infinite;
}

.quota-stat-box:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.quota-stat-box:nth-child(1) { 
    animation-delay: 0.2s; 
}
.quota-stat-box:nth-child(2) { 
    animation-delay: 0.4s; 
}
.quota-stat-box:nth-child(3) { 
    animation-delay: 0.6s; 
}

.quota-stat-box.green { 
    border-left-color: #10b981; 
    --glow-color: rgba(16, 185, 129, 0.3);
}
.quota-stat-box.yellow { 
    border-left-color: #f59e0b; 
    --glow-color: rgba(245, 158, 11, 0.3);
}
.quota-stat-box.red { 
    border-left-color: #ef4444; 
    --glow-color: rgba(239, 68, 68, 0.3);
}

.quota-stat-box.green:hover,
.quota-stat-box.yellow:hover,
.quota-stat-box.red:hover {
    box-shadow: 0 20px 40px var(--glow-color, rgba(0,0,0,0.2));
}

.quota-status-message {
    text-align: center;
    font-weight: bold;
    padding: 16px;
    border-radius: 8px;
    margin-top: 15px;
    transition: all 0.3s ease;
    animation: slideInUp 0.6s ease-out 0.8s both;
    position: relative;
    overflow: hidden;
}

.quota-status-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.8s ease;
}

.quota-status-message:hover::before {
    left: 100%;
}

.quota-status-message.green {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
    border: 1px solid #10b981;
}

.quota-status-message.yellow {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
    border: 1px solid #f59e0b;
}

.quota-status-message.red {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #991b1b;
    border: 1px solid #ef4444;
}

.quota-default-message {
    text-align: center;
    padding: 50px 30px;
    color: #666;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 12px;
    margin: 20px 0;
    animation: fadeInScale 0.6s ease-out;
    transition: all 0.3s ease;
}

.quota-default-message:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.quota-default-message i {
    font-size: 3em;
    margin-bottom: 15px;
    color: #ccc;
    animation: pulse 2s infinite;
}

/* Chart Sections */
.chart-section {
    margin-top: 30px;
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.chart-section h4 {
    margin: 0 0 20px 0;
    color: #2d3748;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-section h4 i {
    color: #667eea;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-container canvas {
    max-width: 100%;
    height: auto;
}

/* Chart No Data Message */
.chart-no-data {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: #718096;
    text-align: center;
}

.chart-no-data i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #e2e8f0;
}

/* Responsive Design */
@media (max-width: 992px) {
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quota-boxes {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quota-boxes .quota-stat-box:last-child {
        grid-column: 1 / -1;
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .quota-boxes {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .quota-boxes .quota-stat-box:last-child {
        grid-column: auto;
        max-width: none;
    }
    
    .course-promo {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding: 20px;
    }
    
    .course-icon {
        margin: 0 auto 10px auto;
    }
    
    .course-content h3 {
        font-size: 1.2rem;
    }
    
    .search-container {
        flex-direction: row;
        gap: 8px;
        max-width: 100%;
    }
    
    .search-container input {
        min-width: 150px;
    }
    
    .search-container button {
        min-width: 80px;
        padding: 12px 15px;
        font-size: 0.9rem;
    }
    
    .admin-form {
        gap: 10px;
    }
    
    .admin-form input,
    .admin-form select,
    .admin-form button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .stat-box,
    .quota-stat-box {
        padding: 15px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .course-promo {
        padding: 15px;
        margin: 15px 0;
    }
    
    .course-content h3 {
        font-size: 1.1rem;
    }
    
    .course-content p {
        font-size: 0.9rem;
    }
    
    .quota-status-message {
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .table-container {
        font-size: 0.9rem;
        overflow-x: auto;
    }
    
    .data-table {
        min-width: 500px;
    }
    
    .data-table th,
    .data-table td {
        padding: 12px 8px;
        white-space: nowrap;
    }
    
    .data-table th:nth-child(1),
    .data-table td:nth-child(1) {
        width: 45%;
        white-space: normal;
    }
    
    .data-table th:nth-child(2),
    .data-table td:nth-child(2) {
        width: 25%;
    }
    
    .data-table th:nth-child(3),
    .data-table td:nth-child(3) {
        width: 30%;
    }
    
    .search-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-container input,
    .search-container button {
        width: 100%;
        min-width: auto;
    }
}

/* Course Promotion */
.course-promo {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    color: white;
    display: flex;
    align-items: center;
    gap: 15px;
}

.course-icon {
    font-size: 2.5em;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-content h4 {
    margin-bottom: 5px;
    font-size: 1.2em;
}

.course-btn {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: 10px;
    transition: all 0.3s ease;
}

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