/* Custom styles for Africa Research University Payment Portal */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --background-color: #f8f9fa;
    --text-color: #2c3e50;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--background-color);
    color: var(--text-color);
    position: relative;
}

/* Animated background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.1), rgba(46, 204, 113, 0.1));
    animation: gradientBG 15s ease infinite;
}

.bg-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern.png') repeat;
    opacity: 0.1;
    animation: patternMove 60s linear infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

/* Navbar styling */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 600;
}

/* Card styling */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Button styling */
.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: #2980b9;
    border-color: #2980b9;
    transform: translateY(-2px);
}

.btn-success {
    background: #2ecc71;
    border-color: #2ecc71;
}

.btn-success:hover {
    background: #27ae60;
    border-color: #27ae60;
    transform: translateY(-2px);
}

/* Form styling */
.form-control {
    border-radius: 8px;
    padding: 12px;
    border: 1px solid #e1e8ed;
    transition: all 0.3s ease;
}

.form-control:focus {
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    border-color: var(--secondary-color);
}

/* Fee cards */
.fee-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.fee-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.fee-card .btn {
    margin-top: auto;
}

/* Success/Error messages */
.alert {
    border-radius: 10px;
    border: none;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* Loading animation */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Hero section */
.hero-section {
    text-align: center;
    padding: 60px 0;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    margin: 20px 0;
}

.hero-section h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-section p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-section {
        padding: 40px 20px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .card {
        margin-bottom: 20px;
    }
}