/* Custom styles for Crypto Tasks */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.navbar {
    background: rgba(33, 37, 41, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0 !important;
    font-weight: bold;
}

.btn {
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    border: none;
}

.btn-warning {
    background: linear-gradient(135deg, #f2994a 0%, #f2c94c 100%);
    border: none;
}

.task-card {
    border-left: 5px solid var(--primary-color);
    transition: all 0.3s ease;
}

.task-card:hover {
    border-left-width: 10px;
}

.ptc-ad-card {
    border-left: 5px solid var(--success-color);
}

.challenge-card {
    border-left: 5px solid var(--warning-color);
}

.stat-card {
    text-align: center;
    padding: 20px;
}

.stat-card i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.stat-card h3 {
    font-size: 2rem;
    font-weight: bold;
    color: var(--dark-color);
}

.stat-card p {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.hero-section {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%), 
                url('../images/hero-bg.jpg') center/cover;
    color: white;
    padding: 100px 0;
    text-align: center;
    border-radius: 0 0 50% 50% / 20px;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.coin-animation {
    animation: coinRotate 2s infinite;
}

@keyframes coinRotate {
    0% { transform: rotateY(0deg); }
    50% { transform: rotateY(180deg); }
    100% { transform: rotateY(360deg); }
}

.withdraw-form {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.table {
    background: white;
    border-radius: 15px;
    overflow: hidden;
}

.table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.progress {
    height: 10px;
    border-radius: 5px;
    background: #e9ecef;
}

.progress-bar {
    border-radius: 5px;
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.alert {
    border-radius: 10px;
    border: none;
}

.badge {
    padding: 8px 15px;
    border-radius: 20px;
}

.crypto-icon {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

.faucetpay-badge {
    background: linear-gradient(135deg, #f2994a 0%, #f2c94c 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .card {
        margin-bottom: 15px;
    }
    
    .stat-card i {
        font-size: 2rem;
    }
    
    .stat-card h3 {
        font-size: 1.5rem;
    }
}

/* Loading Animation */
.loading {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}