/* ============================================
   STUDENT MANAGEMENT SYSTEM - ULTIMATE CSS
   Professional, Modern & Responsive Design
   ============================================ */

/* Google Font Import */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* CSS Variables for Easy Customization */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --secondary-dark: #db2777;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --dark-bg: #0f172a;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --text-light: #f1f5f9;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

/* ============ GLOBAL RESET & BASE ============ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f1f5f9;
    color: var(--text-dark);
    display: flex;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #667eea, #764ba2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #764ba2, #667eea);
}

/* ============ SIDEBAR ============ */
.sidebar {
    width: 280px;
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--text-light);
    position: fixed;
    left: 0;
    top: 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1000;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.sidebar-header {
    padding: 25px 20px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    text-align: center;
    border-bottom: 2px solid rgba(233, 69, 96, 0.3);
    position: sticky;
    top: 0;
    z-index: 10;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, #e94560, #f7b731);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.sidebar-header small {
    color: #94a3b8;
    font-size: 11px;
    display: block;
    margin-top: 5px;
}

.sidebar-menu {
    list-style: none;
    padding: 10px 0;
    margin: 0;
}

.sidebar-menu li {
    margin: 2px 10px;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.sidebar-menu li.menu-header {
    padding: 15px 15px 8px;
    margin: 5px 10px;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 12px 18px;
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 400;
    border-radius: 8px;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.sidebar-menu li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
    transition: var(--transition);
    border-radius: 8px;
}

.sidebar-menu li a:hover::before {
    width: 100%;
}

.sidebar-menu li a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.sidebar-menu li a.active {
    background: var(--gradient-1);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.sidebar-menu li a i {
    width: 22px;
    text-align: center;
    font-size: 16px;
    transition: var(--transition);
}

.sidebar-menu li a:hover i {
    transform: scale(1.2);
    color: #f7b731;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    bottom: 0;
    background: var(--sidebar-bg);
}

.sidebar-footer .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ============ MAIN CONTENT ============ */
.main-content {
    margin-left: 280px;
    padding: 25px;
    width: calc(100% - 280px);
    min-height: 100vh;
    transition: var(--transition);
}

/* Page Title */
.page-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-title i {
    color: var(--primary-color);
    font-size: 28px;
}

.breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 25px;
    color: var(--text-muted);
    font-size: 14px;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb span {
    color: var(--text-muted);
}

/* ============ CARDS ============ */
.card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    padding: 25px;
    margin-bottom: 25px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
}

.card-header {
    background: var(--gradient-1);
    color: white;
    padding: 18px 25px;
    border-radius: 16px 16px 0 0;
    margin: -25px -25px 25px -25px;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: 0.5px;
}

.card-header i {
    margin-right: 8px;
}

.card-header .btn {
    font-size: 13px;
    padding: 8px 16px;
}

.card-body {
    position: relative;
}

.card-footer {
    background: #f8fafc;
    padding: 15px 25px;
    border-radius: 0 0 16px 16px;
    margin: 25px -25px -25px -25px;
    border-top: 1px solid var(--border-color);
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.btn:active {
    transform: scale(0.95);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: 8px;
}

.btn-lg {
    padding: 14px 30px;
    font-size: 16px;
    border-radius: 12px;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #1e293b;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
    transform: translateY(-2px);
}

.btn-info {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: white;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-info:hover {
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
    transform: translateY(-2px);
}

.btn-light {
    background: #f8fafc;
    color: #334155;
    border: 1px solid #e2e8f0;
}

.btn-light:hover {
    background: #e2e8f0;
}

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
}

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

/* ============ TABLES ============ */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table thead th {
    background: var(--dark-bg);
    color: white;
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 5;
}

.table thead th:first-child {
    border-radius: 12px 0 0 0;
}

.table thead th:last-child {
    border-radius: 0 12px 0 0;
}

.table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: #f8fafc;
    transform: scale(1.001);
}

.table tbody tr:nth-child(even) {
    background: #f8fafc;
}

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

.table tfoot td {
    font-weight: 600;
    background: #f1f5f9;
    padding: 14px 16px;
}

/* Table Actions */
.table .action-btns {
    display: flex;
    gap: 5px;
}

.table .action-btns .btn {
    padding: 5px 10px;
    font-size: 11px;
}

/* ============ FORMS ============ */
.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.form-group label .required {
    color: var(--danger-color);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
    background: #f8fafc;
    color: var(--text-dark);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background: #ffffff;
}

.form-control:disabled,
.form-control[readonly] {
    background: #e9ecef;
    cursor: not-allowed;
    opacity: 0.8;
}

.form-control::placeholder {
    color: #94a3b8;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23475569' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

/* Input Group */
.input-group {
    display: flex;
    align-items: center;
}

.input-group .form-control {
    border-radius: 10px 0 0 10px;
    border-right: none;
}

.input-group .btn {
    border-radius: 0 10px 10px 0;
}

/* ============ ALERTS ============ */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid;
    animation: slideIn 0.5s ease;
}

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

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border-color: #a7f3d0;
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border-color: #fde68a;
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border-color: #bfdbfe;
}

.alert i {
    font-size: 20px;
}

.alert .close-alert {
    margin-left: auto;
    cursor: pointer;
    font-size: 20px;
    opacity: 0.5;
}

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

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

.badge-primary {
    background: #e0e7ff;
    color: #3730a3;
}

/* ============ DASHBOARD STATS ============ */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    color: white;
    padding: 25px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.stat-card:hover::before {
    width: 200px;
    height: 200px;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.stat-card .stat-icon {
    font-size: 40px;
    margin-bottom: 10px;
    opacity: 0.9;
}

.stat-card h2 {
    font-size: 32px;
    margin: 10px 0;
    font-weight: 700;
}

.stat-card p {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 500;
}

/* Stat Card Colors */
.stat-card.purple { background: var(--gradient-1); }
.stat-card.pink { background: var(--gradient-2); }
.stat-card.blue { background: var(--gradient-3); }
.stat-card.green { background: var(--gradient-4); }
.stat-card.orange { background: var(--gradient-5); }

/* ============ MODAL ============ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

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

.modal {
    background: white;
    border-radius: 16px;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlide 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.modal-close {
    font-size: 28px;
    cursor: pointer;
    color: #64748b;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger-color);
    transform: rotate(90deg);
}

/* ============ PROGRESS BAR ============ */
.progress {
    background: #e2e8f0;
    border-radius: 10px;
    height: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 10px;
    transition: width 0.5s ease;
}

.progress-bar-success { background: var(--success-color); }
.progress-bar-warning { background: var(--warning-color); }
.progress-bar-danger { background: var(--danger-color); }
.progress-bar-primary { background: var(--primary-color); }

/* ============ LOADING SPINNER ============ */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============ TOOLTIP ============ */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-bg);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============ PRINT STYLES ============ */
@media print {
    .sidebar,
    .btn,
    .no-print,
    .breadcrumb,
    .alert,
    form,
    .action-btns,
    .card-header .btn,
    .dashboard-stats {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        padding: 0 !important;
    }
    
    body {
        background: white !important;
        font-size: 12px;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        page-break-inside: avoid;
    }
    
    .table thead th {
        background: #333 !important;
        color: white !important;
    }
    
    @page {
        size: A4;
        margin: 15mm;
    }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1200px) {
    .form-row-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .sidebar {
        width: 0;
        padding: 0;
    }
    
    .sidebar.active {
        width: 280px;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 15px;
    }
    
    .card {
        padding: 15px;
    }
    
    .card-header {
        padding: 15px;
        margin: -15px -15px 15px -15px;
        font-size: 16px;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 12px;
    }
    
    .table thead th,
    .table tbody td {
        padding: 8px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .page-title {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .sidebar.active {
        width: 100%;
    }
    
    .card-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-group {
        flex-direction: column;
    }
}

/* ============ UTILITY CLASSES ============ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-muted { color: var(--text-muted) !important; }
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 10px !important; }
.mt-2 { margin-top: 20px !important; }
.mt-3 { margin-top: 30px !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 10px !important; }
.mb-2 { margin-bottom: 20px !important; }
.mb-3 { margin-bottom: 30px !important; }
.mr-1 { margin-right: 10px !important; }
.ml-1 { margin-left: 10px !important; }
.ml-auto { margin-left: auto !important; }

.p-1 { padding: 10px !important; }
.p-2 { padding: 20px !important; }
.p-3 { padding: 30px !important; }

.d-flex { display: flex !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }
.gap-1 { gap: 10px !important; }
.gap-2 { gap: 20px !important; }
.flex-wrap { flex-wrap: wrap !important; }

.w-100 { width: 100% !important; }
.w-50 { width: 50% !important; }
.w-25 { width: 25% !important; }

.position-relative { position: relative !important; }
.overflow-hidden { overflow: hidden !important; }

.shadow { box-shadow: var(--card-shadow) !important; }
.rounded { border-radius: 12px !important; }
.border { border: 1px solid var(--border-color) !important; }

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-up {
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse Animation for Notifications */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(102, 126, 234, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
    }
}

/* Hover Card Effect */
.hover-card {
    transition: var(--transition);
}

.hover-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}