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

:root {

    --primary-color: #4a90e2;  
    --secondary-color: #7f8c8d; 
    --success-color: #27ae60;   
    --warning-color: #f39c12;   
    --danger-color: #e74c3c;   
    --info-color: #16a085;      
    --light-color: #fdfdfd;     
    --dark-color: #2c3e50;      

   
    --gradient-primary: linear-gradient(135deg, #6dd5ed 0%, #2193b0 100%);
    --gradient-success: linear-gradient(135deg, #a8ff78 0%, #78ffd6 100%);
    --gradient-warning: linear-gradient(135deg, #fceabb 0%, #f8b500 100%);
    --gradient-info: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);

    
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.05);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.15);

    
    --border-radius: 0.5rem;
    --transition: all 0.3s ease;
}


.navbar {
    background: var(--gradient-primary); 
    box-shadow: var(--shadow-md);
}

.navbar .nav-link {
    color: var(--light-color) !important;
    transition: var(--transition);
}

.navbar .nav-link:hover {
    color: var(--warning-color) !important; 
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8f9fa;
}

.hero-section {
    background: var(--gradient-primary);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-stats .stat-item {
    padding: 1rem;
}

.hero-stats h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.auth-container {
    position: relative;
    z-index: 2;
}

.auth-card {
    animation: slideInUp 0.6s ease-out;
}

.auth-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
    color: white;
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.input-group-text {
    background: var(--light-color);
    border: 2px solid #e9ecef;
    border-right: none;
}

.btn {
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.registration-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding-top: 100px;
}

.bg-gradient-primary {
    background: var(--gradient-primary) !important;
}

.bg-gradient-success {
    background: var(--gradient-success) !important;
}

.bg-gradient-warning {
    background: var(--gradient-warning) !important;
}

.bg-gradient-info {
    background: var(--gradient-info) !important;
}

.dashboard-section {
    animation: fadeInUp 0.6s ease-out;
}

.list-group-item {
    border: none;
    transition: var(--transition);
}

.list-group-item:hover {
    background-color: var(--light-color);
    transform: translateX(5px);
}

.list-group-item.active {
    background: var(--gradient-primary);
    border-color: transparent;
}

.profile-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1rem;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin: 0 auto 1rem;
}

.profile-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

.info-item i {
    width: 20px;
    color: var(--primary-color);
    margin-right: 0.75rem;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
    color: white;
}

.toast {
    border: none;
    box-shadow: var(--shadow-lg);
}

.toast-header {
    background: var(--light-color);
    border-bottom: 1px solid #dee2e6;
}


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

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

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

@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .auth-card {
        margin: 1rem 0;
    }
    
    .profile-avatar {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .registration-section {
        padding-top: 80px;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-stats h3 {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: var(--shadow-lg);
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient-primary) border-box;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}
.card-header {
    background: var(--gradient-primary); 
    color: var(--light-color);
    box-shadow: var(--shadow-sm);
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
}

.card-header h2,
.card-header p {
    color: var(--light-color); 
}
i.fas, 
i.far, 
i.fab {
    color: var(--primary-color) !important;  
    transition: var(--transition);
}

i.fas, i.far, i.fab {
    color: var(--primary-color) !important; 
    transition: var(--transition);
}

i.fas:hover, i.far:hover, i.fab:hover {
    color: var(--gradient-primary) !important; 
    
}