/* Reset e Estilos Base - Versão Limpa */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Principais */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    
    /* Cores de Fundo e Texto */
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Bordas e Sombras */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transições e Bordas */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

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

/* Buttons */
.btn {
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
    min-width: auto;
    margin: 0 0.125rem;
}

.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-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #475569);
    color: white;
    box-shadow: 0 4px 14px rgba(100, 116, 139, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(100, 116, 139, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    color: white;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
    color: white;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color), #0891b2);
    color: white;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

/* Form Styles */
.form-header {
    text-align: center;
    margin-bottom: 3rem;
    background: #f5deb3; /* Creme mais escuro (Wheat) */
    backdrop-filter: blur(20px);
    padding: 3rem 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.form-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #8b5cf6, var(--primary-color));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

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

.form-header h2 {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.form-header h2 i {
    margin-right: 0.75rem;
    font-size: 1.875rem;
}

.form-header p {
    color: var(--text-secondary);
}

.inscription-form {
    background: #f5deb3; /* Creme mais escuro (Wheat) */
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

/* Enhanced Form Sections */
.form-section {
    margin-bottom: 2.5rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(248, 250, 252, 0.9) 50%, 
        rgba(240, 249, 255, 0.85) 100%);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(59, 130, 246, 0.1);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06),
        0 0 0 1px rgba(255, 255, 255, 0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--primary-color) 0%, 
        #8b5cf6 50%, 
        #ec4899 100%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.form-section::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(30px, -30px);
}

.form-section:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04),
        0 0 0 1px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
}

.form-section h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.05) 0%, 
        rgba(139, 92, 246, 0.05) 100%);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    color: var(--text-primary);
    font-size: 1.375rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.form-section h3 i {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    box-shadow: 
        0 4px 6px -1px rgba(59, 130, 246, 0.3),
        0 2px 4px -1px rgba(139, 92, 246, 0.3);
    transition: all 0.3s ease;
}

.form-section:hover h3 i {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 8px 12px -1px rgba(59, 130, 246, 0.4),
        0 4px 8px -1px rgba(139, 92, 246, 0.4);
}

/* Enhanced Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

/* Full width form groups */
.form-group.full-width {
    grid-column: 1 / -1;
}

/* Enhanced Form Groups */
.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 0.025em;
}

.form-group label::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.6;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: relative;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 
        0 0 0 4px rgba(59, 130, 246, 0.15),
        0 4px 6px -1px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.7;
    font-family: inherit;
}

/* Required field indicator */
.form-group:has(input[required]) label::after,
.form-group:has(select[required]) label::after,
.form-group:has(textarea[required]) label::after {
    content: '*';
    color: #ef4444;
    font-weight: 700;
    margin-left: 0.25rem;
    font-size: 0.875rem;
}

/* Enhanced Form Actions */
.form-actions {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.05) 0%, 
        rgba(139, 92, 246, 0.05) 100%);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
}

.form-actions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), #8b5cf6);
    border-radius: 2px;
}

.form-actions .btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.form-actions .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 ease;
}

.form-actions .btn:hover::before {
    left: 100%;
}

.form-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .form-section {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .form-section h3 {
        font-size: 1.125rem;
        padding: 0.75rem 1rem;
    }
    
    .form-section h3 i {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-actions {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .form-actions .btn {
        width: 100%;
        padding: 1rem 1.5rem;
    }
}

/* Progress indicator */
.form-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.progress-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.progress-step::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: rgba(59, 130, 246, 0.2);
    z-index: 0;
}

.progress-step:last-child::after {
    display: none;
}

.progress-step.active::after {
    background: var(--primary-color);
}

.progress-indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

.progress-step.active .progress-indicator {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.progress-step.completed .progress-indicator {
    background: #10b981;
    color: white;
    border-color: #10b981;
}

.progress-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-step.active .progress-label,
.progress-step.completed .progress-label {
    color: var(--text-primary);
    font-weight: 600;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.form-group label::after {
    content: attr(data-required);
    color: var(--danger-color);
    font-weight: 700;
    margin-left: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1), var(--shadow-md);
    background: rgba(255, 255, 255, 1);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.period-checkboxes {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.checkbox-label:hover {
    color: var(--primary-color);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-light);
    position: relative;
}

.form-actions::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #8b5cf6);
    border-radius: 2px;
}

/* Admin Dashboard */
.admin-dashboard {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.admin-nav {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section:last-child {
    margin-bottom: 0;
}

.nav-section h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-light);
}

.nav-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-buttons .tab-btn {
    padding: 0.875rem 1rem;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    font-size: 0.875rem;
    text-align: left;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.nav-buttons .tab-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary-color);
    transform: translateX(-100%);
    transition: var(--transition);
}

.nav-buttons .tab-btn:hover {
    background: var(--primary-light);
    transform: translateX(4px);
}

.nav-buttons .tab-btn:hover::before {
    transform: translateX(0);
}

.nav-buttons .tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    transform: translateX(4px);
}

.nav-buttons .tab-btn.active::before {
    transform: translateX(0);
    background: rgba(255, 255, 255, 0.3);
}

/* Dashboard Content */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dashboard-header h3 {
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Charts */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.chart {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.chart h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.chart-placeholder {
    height: 200px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

/* Recent Activities */
.recent-activities {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
}

.recent-activities h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.activities-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(248, 250, 252, 0.5);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.activity-item:hover {
    background: rgba(248, 250, 252, 0.8);
    transform: translateX(4px);
}

.activity-item i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.activity-content {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.activity-time {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Tab Content */
.tab-content {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.tab-pane {
    display: none;
    padding: 2rem;
}

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

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Tables */
.inscriptions-table-container,
.classes-table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    background: white;
    margin-top: 1rem;
}

.inscriptions-table,
.classes-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    font-size: 0.875rem;
}

.inscriptions-table th,
.inscriptions-table td,
.classes-table th,
.classes-table td {
    padding: 1rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.inscriptions-table th,
.classes-table th {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    font-size: 0.8125rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.inscriptions-table tbody tr:hover,
.classes-table tbody tr:hover {
    background: var(--primary-light);
    transform: scale(1.01);
    transition: var(--transition);
}

.inscriptions-table tbody tr:nth-child(even),
.classes-table tbody tr:nth-child(even) {
    background: rgba(248, 250, 252, 0.5);
}

.inscriptions-table tbody tr:nth-child(even):hover,
.classes-table tbody tr:nth-child(even):hover {
    background: var(--primary-light);
}

/* Status Badges */
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.status-badge.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status-badge.confirmed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-badge.cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Filters */
.filters-section {
    background: rgba(248, 250, 252, 0.5);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.filters-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

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

.filter-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.filter-group input,
.filter-group select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition);
    background: white;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filters-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* Units Grid */
.units-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.unit-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    transition: var(--transition);
}

.unit-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.unit-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.unit-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.unit-actions {
    display: flex;
    gap: 0.5rem;
}

.unit-info {
    margin-bottom: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.unit-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.stat-item {
    text-align: center;
    padding: 0.5rem;
    background: white;
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Grade Entry Styles */
.grade-entry-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.grade-entry-filters {
    background: rgba(248, 250, 252, 0.5);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-light);
}

.grade-entry-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.grade-entry-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.grade-entry-table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

.grade-entry-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.grade-entry-table th {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

.grade-entry-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

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

.grade-entry-table .candidate-name {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 200px;
}

.grade-entry-table .grade-input {
    width: 80px;
    padding: 0.5rem;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.grade-entry-table .grade-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.grade-entry-table .grade-input.excellent {
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.grade-entry-table .grade-input.good {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

.grade-entry-table .grade-input.average {
    background: rgba(251, 191, 36, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.grade-entry-table .grade-input.poor {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.grade-entry-table .total-score {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--primary-color);
    min-width: 80px;
    text-align: center;
}

.grade-entry-table .status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.grade-entry-summary {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.grade-entry-summary h5 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.grade-entry-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.grade-entry-summary-item {
    text-align: center;
    padding: 1rem;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.grade-entry-summary-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.grade-entry-summary-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Results Styles */
.results-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.results-filters {
    background: rgba(248, 250, 252, 0.5);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-light);
}

.results-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.results-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.results-section {
    margin-bottom: 3rem;
}

.results-section h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--radius-md);
}

.scholarship-results {
    display: grid;
    gap: 2rem;
}

.scholarship-category {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-light);
}

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

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
}

.category-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.category-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.scholarship-list {
    display: grid;
    gap: 1rem;
}

.scholarship-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.scholarship-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.scholarship-item.winner-1st {
    border-left-color: #ffd700;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 215, 0, 0.05));
}

.scholarship-item.winner-2nd {
    border-left-color: #c0c0c0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1), rgba(192, 192, 192, 0.05));
}

.schcholarship-item.winner-3rd {
    border-left-color: #cd7f32;
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.1), rgba(205, 127, 50, 0.05));
}

.rank-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.875rem;
    margin-right: 1rem;
}

.rank-badge.rank-1 {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #8b7355;
}

.rank-badge.rank-2 {
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
    color: #666;
}

.rank-badge.rank-3 {
    background: linear-gradient(135deg, #cd7f32, #e4a853);
    color: #8b5a2b;
}

.scholarship-info {
    flex: 1;
}

.student-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.student-details {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.scholarship-percentage {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.percentage-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.125rem;
}

.percentage-badge.percentage-100 {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

.percentage-badge.percentage-90 {
    background: linear-gradient(135deg, var(--info-color), #0891b2);
}

.percentage-badge.percentage-80 {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
}

.percentage-badge.percentage-70 {
    background: linear-gradient(135deg, var(--secondary-color), #475569);
}

.course-name {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.no-results {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-style: italic;
}

.results-summary {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.summary-item {
    text-align: center;
    padding: 1rem;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.summary-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.summary-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .admin-dashboard {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .admin-nav {
        position: static;
        padding: 1rem;
    }
    
    .nav-section {
        margin-bottom: 1.5rem;
    }
    
    .nav-buttons {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 0.75rem;
    }
    
    .nav-buttons .tab-btn {
        text-align: center;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .charts-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Grade Entry Responsive */
    .grade-entry-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .grade-entry-filters .filters-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .grade-entry-table {
        font-size: 0.875rem;
    }
    
    .grade-entry-table th,
    .grade-entry-table td {
        padding: 0.5rem;
    }
    
    .grade-entry-table .candidate-name {
        min-width: 150px;
    }
    
    .grade-entry-table .grade-input {
        width: 60px;
        font-size: 0.875rem;
    }
    
    .grade-entry-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .header-actions .btn {
        width: 100%;
        justify-content: center;
    }
}
    .admin-dashboard {
        margin-top: 1rem;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
        text-align: center;
    }
    
    .nav-buttons {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
    
    .recent-activities {
        padding: 1.5rem;
    }
    
    .activity-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .activity-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: center;
    }
    
    /* Grade Entry Mobile */
    .grade-entry-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .grade-entry-table {
        min-width: 600px;
        font-size: 0.75rem;
    }
    
    .grade-entry-table th,
    .grade-entry-table td {
        padding: 0.25rem;
    }
    
    .grade-entry-table .candidate-name {
        min-width: 120px;
        font-size: 0.7rem;
    }
    
    .grade-entry-table .grade-input {
        width: 50px;
        font-size: 0.75rem;
        padding: 0.25rem;
    }
    
    .grade-entry-table .total-score {
        font-size: 0.9rem;
        min-width: 50px;
    }
    
    .grade-entry-summary-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .grade-entry-summary-item {
        padding: 0.75rem;
    }
    
    .grade-entry-summary-value {
        font-size: 1.25rem;
    }
    
    .tab-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .export-actions,
    .grade-entry-actions {
        width: 100%;
        justify-content: stretch;
    }
    
    .export-actions .btn,
    .grade-entry-actions .btn {
        flex: 1;
        min-width: 0;
        font-size: 0.75rem;
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-header {
        padding: 1rem;
    }
    
    .dashboard-header h3 {
        font-size: 1.25rem;
    }
    
    .admin-nav {
        padding: 0.75rem;
    }
    
    .nav-section h4 {
        font-size: 0.75rem;
    }
    
    .nav-buttons .tab-btn {
        padding: 0.75rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .recent-activities {
        padding: 1rem;
    }
    
    .activity-item {
        padding: 0.75rem;
    }
    
    .header .container {
        padding: 1rem;
    }
    
    .logo h1 {
        font-size: 1.25rem;
    }
    
    .logo i {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.75rem;
    }
    
    .inscription-form {
        padding: 1.5rem;
    }
    
    .form-section {
        padding: 1rem;
    }
    
    /* Grade Entry Small Mobile */
    .grade-entry-table {
        min-width: 500px;
        font-size: 0.65rem;
    }
    
    .grade-entry-table th,
    .grade-entry-table td {
        padding: 0.2rem;
        font-size: 0.6rem;
    }
    
    .grade-entry-table .candidate-name {
        min-width: 100px;
        max-width: 120px;
        word-break: break-all;
    }
    
    .grade-entry-table .grade-input {
        width: 40px;
        font-size: 0.65rem;
        padding: 0.2rem;
    }
    
    .grade-entry-table .total-score {
        font-size: 0.7rem;
        min-width: 40px;
    }
    
    .status-badge {
        font-size: 0.6rem;
        padding: 0.2rem 0.5rem;
    }
    
    .grade-entry-summary-value {
        font-size: 1rem;
    }
    
    .grade-entry-summary-label {
        font-size: 0.7rem;
    }
}