:root {
    --uos-blue: #002147;
    --uos-blue-light: #003366;
    --uos-silver: #C0C0C0;
    --uos-white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f4f6f8;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header & Navigation */
.main-header {
    background-color: var(--uos-blue);
    color: var(--uos-white);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--uos-silver);
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-text p {
    font-size: 0.9rem;
    color: var(--uos-silver);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.main-nav a {
    color: var(--uos-white);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 4px;
    transition: background 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: var(--uos-blue-light);
    color: var(--uos-silver);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 33, 71, 0.8), rgba(0, 33, 71, 0.8)), url('https://images.unsplash.com/photo-1541339907198-e08756dedf3f?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: var(--uos-white);
    text-align: center;
    padding: 5rem 20px;
    margin-bottom: 2rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-buttons {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--uos-blue);
    color: var(--uos-white);
    border: 2px solid var(--uos-blue);
}

.btn-secondary {
    background-color: transparent;
    color: var(--uos-white);
    border: 2px solid var(--uos-white);
}

.btn-accent {
    background-color: var(--warning);
    color: var(--text-dark);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background-color: var(--uos-blue-light);
}

.btn-secondary:hover {
    background-color: var(--uos-white);
    color: var(--uos-blue);
}

/* Sections */
.section-title {
    text-align: center;
    color: var(--uos-blue);
    margin-bottom: 2rem;
    font-size: 2rem;
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--uos-silver);
}

/* Cards */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.item-card {
    background: var(--uos-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    border-top: 4px solid var(--uos-silver);
}

.item-card.lost {
    border-top-color: var(--danger);
}

.item-card.found {
    border-top-color: var(--success);
}

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

.card-body {
    padding: 1.5rem;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.badge.lost {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.badge.found {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.card-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--uos-blue);
}

.card-info {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.card-info i {
    width: 20px;
    color: var(--uos-blue-light);
}

/* Forms */
.form-container {
    background: var(--uos-white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--uos-blue);
    box-shadow: 0 0 0 2px rgba(0, 33, 71, 0.1);
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

/* Footer */
.main-footer {
    background-color: var(--uos-blue);
    color: var(--uos-white);
    text-align: center;
    padding: 2rem 0;
    margin-top: auto;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--uos-silver);
    margin: 0 10px;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--uos-white);
}

/* Filter Bar */
.filter-bar {
    background: var(--uos-white);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}