:root {
    --primary-color: #2D5016; /* Orman Yeşili */
    --secondary-color: #8B4513; /* Toprak Kahvesi */
    --accent-color: #87CEEB; /* Gökyüzü Mavisi */
    --light-green: #90EE90;
    --cream: #F5F5DC;
    --light-brown: #D2B48C;
    --text-color: #333;
    --bg-color: #f8f9fa;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

.navbar-brand, .nav-link {
    color: white !important;
}

.nav-link:hover {
    color: var(--light-green) !important;
}

/* Flashing Animation for Message Icon */
@keyframes flash-message {
    0% { color: white; text-shadow: 0 0 5px white; }
    50% { color: #ffeb3b; text-shadow: 0 0 15px #ffeb3b; transform: scale(1.2); }
    100% { color: white; text-shadow: 0 0 5px white; }
}

.nav-link.has-new-message i {
    animation: flash-message 1s infinite;
}

/* Pulsating Green Dot for Online Users */
.online-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: #28a745;
    border-radius: 50%;
    margin-right: 5px;
    box-shadow: 0 0 0 rgba(40, 167, 69, 0.4);
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(40, 167, 69, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
    }
}

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

.btn-primary:hover {
    background-color: #1e360e;
    border-color: #1e360e;
}

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

.card {
    border: 1px solid var(--light-green);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

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

.hero-section {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1448375240586-dfd8f3793371?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.section-title {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-weight: bold;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 50%;
    height: 3px;
    background: var(--secondary-color);
    margin: 10px auto 0;
}

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 40px 0;
}

footer a {
    color: var(--light-green);
    text-decoration: none;
}

footer a:hover {
    color: white;
}

.auth-form {
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.status-pending {
    color: orange;
    font-weight: bold;
}

.status-approved {
    color: green;
    font-weight: bold;
}

.status-rejected {
    color: red;
    font-weight: bold;
}