/* Genel Stil Ayarları */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header ve Navigasyon */
.navbar {
    background-color: #343a40;
    padding: 1rem;
}

.navbar-brand {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    margin-right: 2rem;
}

.nav-link {
    color: #ddd;
    text-decoration: none;
    margin-right: 1rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #fff;
}

/* İçerik Alanı */
.container {
    max-width: 1140px;
    margin: 2rem auto;
    padding: 0 1rem;
    flex: 1;
}

.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

h1, h2, h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: #343a40;
    color: #fff;
    text-align: center;
    padding: 1rem;
    margin-top: auto;
}

/* Form Stilleri */
.form-group {
    margin-bottom: 1rem;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
}

.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    border: 1px solid transparent;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
}

/* Login Sayfaları İçin */
.login-container {
    max-width: 400px;
    margin: 5rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}