:root {
    --primary-color: #8B4513;
    --secondary-color: #DAA520;
    --accent-color: #F5F5DC;
    --text-dark: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
}

.navbar-brand {
    color: var(--primary-color) !important;
}

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

.btn-primary:hover {
    background-color: #654321;
    border-color: #654321;
}

.text-primary {
    color: var(--primary-color) !important;
}

.hero-section {
    background: linear-gradient(135deg, var(--accent-color) 0%, #fff 100%);
    padding: 100px 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.search-box {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.profile-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.profile-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px 15px 0 0;
}

.form-container {
    max-width: 500px;
    margin: 50px auto;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.chat-container {
    height: 400px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 15px;
}

.message {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 10px;
}

.message.sent {
    background-color: var(--primary-color);
    color: white;
    margin-left: 20%;
}

.message.received {
    background-color: #f8f9fa;
    margin-right: 20%;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 50px 0;
    }
    
    .search-box {
        margin: 0 15px;
    }
}