/* Base styles */
:root {
    /* Primary color palette */
    --primary-color: #2c3e50;       /* Dark blue for main elements */
    --primary-light: #ecf0f1;       /* Lighter shade for hover states */
    --secondary-color: #3498db;     /* Accent color for buttons, links */
    --secondary-light: #5dade2;     /* Lighter accent for hover states */
    --success-color: #27ae60;       /* Green for success messages */
    --danger-color: #e74c3c;        /* Red for errors and warnings */
    --warning-color: #f39c12;       /* Orange for warnings */
    --accent-color: #ffc107;        /* Yellow accent color */
    --light-bg: #f8f9fa;            /* Light background */
    --text-dark: #2c3e50;           /* Dark text */
    --text-light: #ecf0f1;          /* Light text */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--light-bg);
    color: var(--text-dark);
}

/* Layout structure */
.page-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-area {
    display: flex;
    flex: 1;
}

.main-content {
    flex: 1;
    padding: 20px;
}

/* Header styling */
header {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-bottom: 1px solid rgba(0,0,0,0.2);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header a, header .btn-link {
    color: var(--text-light);
}

header a:hover, header .btn-link:hover {
    color: var(--secondary-light);
}

.header-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

/* Sidebar styling */
.sidebar-nav {
    background-color: var(--primary-light) !important; /* Lighter than header */
}

.sidebar-nav .nav-link {
    color: var(--text-dark);
}

.sidebar-nav .nav-link:hover {
    background-color: var(--primary-light);
}

.sidebar-nav .nav-link.active {
    background-color: var(--secondary-color);
    color: white;
}

/* Button styling */
.btn-primary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

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

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

.btn-outline-primary:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* Card styling */
.card {
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

/* loan top nav bar */
.loan-nav {
    border-radius: 4px;
    margin-bottom: 20px;
}

.loan-nav .nav-link {
    color: var(--text-dark);
    font-weight: 500;
    border-radius: 4px;
    padding: 8px 16px;
}

.loan-nav .nav-link:hover {
    background-color: var(--primary-light);
}

.loan-nav .nav-link.active {
    background-color: var(--secondary-color);
    color: white;
}

/* Footer styling */
footer {
    background-color: white;
    border-top: 1px solid rgba(0,0,0,0.1);
    color: var(--text-dark);
}

/* Welcome page specific styles */
.hero-section {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.9)),
    url('/images/hero-bg.jpg') center/cover no-repeat;
    color: white;
    padding: 3rem 1rem;
    border-radius: 0 0 2rem 2rem;
    margin-bottom: 1rem;
}

.feature-card {
    border-radius: 1rem;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    height: 100%;
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.section-title {
    position: relative;
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 60px;
    background-color: var(--accent-color);
}

.cta-button {
    padding: 0.8rem 2rem;
    font-weight: 600;
    border-radius: 2rem;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(255, 193, 7, 0.2);
}

.cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 7px 20px rgba(255, 193, 7, 0.3);
}

/* Responsive styles */
@media (max-width: 768px) {
    .content-area {
        flex-direction: column;
    }

    .hero-section {
        padding: 2rem 1rem;
        border-radius: 0 0 1.5rem 1.5rem;
    }

    .feature-card {
        margin-bottom: 1rem;
    }
}