/* Zone College Management System - Custom Styles */

/* 1. Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Lato:wght@400;700&display=swap');

/* 2. Variables */
:root {
    --primary-color: #005A9E;
    --secondary-color: #FFC107;
    --background-color: #F8F9FA;
    --surface-color: #FFFFFF;
    --text-color: #212529;
    --light-text-color: #F8F9FA;
    --border-radius: 0.5rem;
    --font-family-headings: 'Poppins', sans-serif;
    --font-family-body: 'Lato', sans-serif;
}

/* 3. General Styles */
body {
    font-family: var(--font-family-body);
    color: var(--text-color);
    background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-headings);
    font-weight: 600;
    color: var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #004170;
    border-color: #004170;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--text-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #e6ac00;
    border-color: #e6ac00;
    transform: translateY(-2px);
}

/* 4. Navbar */
.navbar {
    transition: background-color 0.3s ease;
}

.navbar-brand {
    font-family: var(--font-family-headings);
    font-weight: 700;
    font-size: 1.75rem;
}

.navbar.scrolled {
    background-color: var(--surface-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 5. Hero Section */
.hero {
    color: var(--light-text-color);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url('https://images.pexels.com/photos/256490/pexels-photo-256490.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') no-repeat center center;
    background-size: cover;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 90, 158, 0.8), rgba(0, 40, 70, 0.9));
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--surface-color);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* 6. Section Styles */
.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.5rem;
    font-weight: 700;
}

/* 7. Features Section */
.feature-card {
    background-color: var(--surface-color);
    border: none;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* 8. Contact Section */
#contact {
    background-color: var(--surface-color);
}

.form-control {
    border-radius: var(--border-radius);
    padding: 0.75rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 90, 158, 0.25);
}

/* 9. Footer */
footer {
    background-color: #343a40;
    color: var(--light-text-color);
    padding: 3rem 0;
}

footer a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #fff;
}

/* 10. Utility Classes */
.page-content {
    padding-top: 120px; /* Adjust as needed for fixed header height */
}

/* 11. Attendance Page */
.attendance-card {
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.attendance-card .card-header {
    background-color: transparent;
    border-bottom: 1px solid #dee2e6;
    padding: 1.5rem;
}

.attendance-card .card-body {
    padding: 2rem;
}

.attendance-card .avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.session-details p {
    margin-bottom: 0.5rem;
}

.map-placeholder {
    background-color: #e9ecef;
    border-radius: var(--border-radius);
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    border: 2px dashed #ced4da;
}

.map-placeholder .bi {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

#check-in-btn {
    padding: 1rem;
    font-size: 1.25rem;
}

/* 12. Attendance Page - Selfie/Video */
.video-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px solid #dee2e6;
}

#video-preview {
    display: block;
    width: 100%;
    height: auto;
    transform: scaleX(-1); /* Mirror effect */
}

/* 13. QR Code Generator */
.qr-code-container {
    margin-top: 2rem;
    padding: 2rem;
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    display: inline-block;
}

#qr-code-img {
    max-width: 300px;
    height: auto;
    border: 5px solid var(--surface-color);
    border-radius: var(--border-radius);
}