/* ========================================
   MODERN STUDENT APPLICATION STYLES
   Primary Color: #8C2C8C (Purple)
   Mobile-First Responsive Design
======================================== */

:root {
    --primary-color: #8C2C8C;
    --primary-dark: #6B1F6B;
    --primary-light: #A855F7;
    --secondary-color: #3C3C4E;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --info-color: #2563eb;
    --white: #ffffff;
    --light-bg: #f9fafb;
    --border-color: #e5e7eb;
    --text-primary: #1a1a2e;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
}

/* Global Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Boxicons - Make lighter and thinner */
.bx, [class^='bx-'], [class*=' bx-'] {
    font-weight: 300 !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    
}

/* Modern Container */
.modern-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Modern Page Header */
.modern-page-header {
    background: white;
    border-radius: 20px;
    padding: 24px 32px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.modern-page-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.logo-img {
    max-width: 120px;
    height: auto;
}

.modern-page-title h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.modern-page-title h1 i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.modern-page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.modern-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.modern-breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.modern-breadcrumb a:hover {
    color: var(--primary-dark);
}

/* Modern Buttons */
.modern-btn {
    padding: 10px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.modern-btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.modern-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(140, 44, 140, 0.3);
}

.modern-btn-secondary {
    background: var(--light-bg);
    color: var(--text-secondary);
}

.modern-btn-secondary:hover {
    background: var(--border-color);
}

.modern-btn-success {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
}

.modern-btn-danger {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
}

.modern-back-btn {
    padding: 10px 20px;
    background: var(--light-bg);
    color: var(--text-secondary);
    border: none;
    border-radius: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.modern-back-btn:hover {
    background: var(--border-color);
    transform: translateX(-4px);
}

/* Modern Cards */
.modern-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.modern-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.modern-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modern-card-title i {
    color: var(--primary-color);
}

/* Modern Grid System */
.modern-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 24px;
}

.modern-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.modern-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.modern-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

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

/* Modern Stats Cards */
.modern-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.modern-stat-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modern-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--card-gradient-start), var(--card-gradient-end));
}

.modern-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.modern-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.modern-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.modern-stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Modern Form Styles */
.modern-form-group {
    margin-bottom: 24px;
}

.modern-form-label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.modern-form-input,
.modern-form-select,
.modern-form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
}

.modern-form-input:focus,
.modern-form-select:focus,
.modern-form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(140, 44, 140, 0.1);
}

.modern-form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Modern Service Cards */
.modern-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.modern-service-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.modern-service-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(140, 44, 140, 0.15);
}

.modern-service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    background: linear-gradient(135deg, var(--service-gradient-start), var(--service-gradient-end));
}

.modern-service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.modern-service-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.modern-service-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--light-bg);
    color: var(--text-secondary);
}

/* Modern Table */
.modern-table-container {
    background: white;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

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

.modern-table thead {
    background: var(--light-bg);
}

.modern-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    border-bottom: 2px solid var(--border-color);
}

.modern-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

/* Modern Badges */
.modern-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
}

.modern-badge-success {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: var(--success-color);
}

.modern-badge-danger {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: var(--danger-color);
}

.modern-badge-warning {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #d97706;
}

.modern-badge-info {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: var(--info-color);
}

.modern-badge-primary {
    background: linear-gradient(135deg, #f3e8ff, #e9d5ff);
    color: var(--primary-color);
}

/* Modern Tabs */
.modern-tabs {
    background: white;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.modern-tabs-list {
    display: inline-flex;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.modern-tab-link {
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.modern-tab-link:hover {
    background: var(--light-bg);
    color: var(--primary-color);
}

.modern-tab-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

/* Modern Modals */
.modern-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modern-modal-overlay.active {
    display: flex;
}

.modern-modal-content {
    background: white;
    border-radius: 20px;
    padding: 36px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modern-modal-header {
    text-align: center;
    margin-bottom: 28px;
}

.modern-modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.modern-modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.modern-modal-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Modern Alert */
.modern-alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.95rem;
}

.modern-alert i {
    font-size: 1.5rem;
}

.modern-alert-success {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.modern-alert-danger {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.modern-alert-warning {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #d97706;
    border-left: 4px solid #d97706;
}

.modern-alert-info {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

/* Modern Skeleton Loader */
.modern-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Modern Empty State */
.modern-empty-state {
    text-align: center;
    padding: 60px 20px;
}

.modern-empty-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: var(--light-bg);
    color: var(--text-muted);
}

.modern-empty-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.modern-empty-text {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Color Gradients for Services */
.service-practice-exam {
    --service-gradient-start: #667eea;
    --service-gradient-end: #764ba2;
}

.service-scratch-card {
    --service-gradient-start: #f093fb;
    --service-gradient-end: #f5576c;
}

.service-airtime {
    --service-gradient-start: #4facfe;
    --service-gradient-end: #00f2fe;
}

.service-data {
    --service-gradient-start: #43e97b;
    --service-gradient-end: #38f9d7;
}

.service-jamb {
    --service-gradient-start: #fa709a;
    --service-gradient-end: #fee140;
}

.service-electricity {
    --service-gradient-start: #30cfd0;
    --service-gradient-end: #330867;
}

/* Stat Card Colors */
.stat-wallet {
    --card-gradient-start: #8C2C8C;
    --card-gradient-end: #6B1F6B;
}

.stat-exams {
    --card-gradient-start: #f093fb;
    --card-gradient-end: #f5576c;
}

.stat-transactions {
    --card-gradient-start: #4facfe;
    --card-gradient-end: #00f2fe;
}

.stat-points {
    --card-gradient-start: #43e97b;
    --card-gradient-end: #38f9d7;
}

/* ========================================
   MOBILE RESPONSIVE STYLES
======================================== */

@media (max-width: 1200px) {
    .modern-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .modern-container {
        padding: 16px;
    }
    
    .modern-page-header {
        padding: 20px 24px;
    }
    
    .modern-page-title h1 {
        font-size: 1.5rem;
    }
    
    .modern-card {
        padding: 20px;
    }
    
    .modern-grid-3,
    .modern-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modern-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Mobile modal safety net across student pages */
    .modal-overlay,
    .modern-modal-overlay {
        padding: 12px !important;
        align-items: flex-start !important;
        justify-content: center !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    .modal-overlay.active,
    .modal-overlay[style*="display: flex"],
    .modern-modal-overlay.active {
        display: flex;
        align-items: flex-start !important;
    }

    .modal-content,
    .error-modal-content,
    .modal-modern,
    .confirm-modal-content,
    .form-modal-content,
    .success-modal-card,
    .modern-modal-content {
        width: min(92vw, 430px) !important;
        max-height: calc(100dvh - 24px) !important;
        overflow-y: auto !important;
        margin: 0 auto !important;
        border-radius: 14px !important;
    }

    .success-modal-card.compact {
        max-width: 420px !important;
    }

    .modern-page-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
    }
    
    .modern-page-title h1 {
        font-size: 1.3rem;
    }
    
    .modern-card {
        padding: 16px;
        border-radius: 12px;
    }
    
    .modern-grid-2,
    .modern-grid-3,
    .modern-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .modern-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .modern-service-grid {
        grid-template-columns: 1fr;
    }
    
    .modern-stat-card {
        padding: 20px;
    }
    
    .modern-stat-value {
        font-size: 1.75rem;
    }
    
    .modern-service-icon {
        width: 64px;
        height: 64px;
        font-size: 2rem;
    }
    
    .modern-modal-content {
        padding: 28px 20px;
        max-width: 95%;
    }
    
    .modern-table-container {
        padding: 16px;
    }
    
    .modern-tabs {
        padding: 12px;
    }
    
    .modern-tabs-list {
        gap: 8px;
    }
    
    .modern-tab-link {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .modern-container {
        padding: 12px;
    }
    
    .modern-page-title h1 {
        font-size: 1.15rem;
    }
    
    .modern-stat-value {
        font-size: 1.5rem;
    }
    
    .modern-service-card {
        padding: 20px;
    }
    
    .modern-btn {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
    
    .modern-form-input,
    .modern-form-select {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

.d-flex {
    display: flex;
}

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

.justify-content-between {
    justify-content: space-between;
}

.gap-10 {
    gap: 10px;
}

.gap-16 {
    gap: 16px;
}

.gap-20 {
    gap: 20px;
}

.mb-16 {
    margin-bottom: 16px;
}

.mb-24 {
    margin-bottom: 24px;
}

.mt-16 {
    margin-top: 16px;
}

.mt-24 {
    margin-top: 24px;
}

.w-100 {
    width: 100%;
}

.hidden {
    display: none;
}