/* Genel Stiller */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #343a40;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

header {
    background: #007bff;
    color: #ffffff;
    padding: 1.5rem 0;
    text-align: center;
    border-bottom: #0056b3 3px solid;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header nav {
    margin-top: 10px;
}

header nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin: 0 5px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

header nav a:hover, header nav a.active {
    background-color: #0056b3;
}

main {
    padding: 30px 0;
    min-height: 70vh;
}

main h2 {
    color: #007bff;
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
}

.card {
    background: #ffffff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card h3 {
    margin-top: 0;
    color: #0056b3;
}

footer {
    background: #343a40;
    color: #f8f9fa;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 30px;
}

/* Login Sayfası Stilleri */
.login-container {
    width: 350px;
    margin: 60px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.login-container h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #007bff;
}

.login-container .form-group {
    margin-bottom: 20px;
}

.login-container label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #495057;
}

.login-container input[type="text"],
.login-container input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    box-sizing: border-box;
}

.login-container button {
    background: #007bff;
    color: #ffffff;
    border: none;
    padding: 12px 20px;
    cursor: pointer;
    width: 100%;
    border-radius: 4px;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.login-container button:hover {
    background: #0056b3;
}

.login-container .error {
    color: #dc3545;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
}

.login-container p a {
    color: #007bff;
    text-decoration: none;
}
.login-container p a:hover {
    text-decoration: underline;
}

/* Admin Paneli Stilleri */
.admin-header {
    background: #5a6268;
    border-bottom: #494f54 3px solid;
}

.admin-header nav a:hover, .admin-header nav a.active {
    background-color: #494f54;
}

.admin-widgets {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-around;
}

.admin-widget {
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    flex-basis: calc(33.333% - 20px);
    box-sizing: border-box;
    text-align: center;
}

.admin-widget h3 {
    color: #5a6268;
    margin-top: 0;
}

.admin-widget p {
    font-size: 1.5rem;
    font-weight: bold;
    color: #007bff;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    color: #ffffff;
    background-color: #28a745;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #218838;
}

.btn-primary {
    background-color: #007bff;
}
.btn-primary:hover {
    background-color: #0056b3;
}

.btn-danger {
    background-color: #dc3545;
}
.btn-danger:hover {
    background-color: #c82333;
}

/* Anket Listesi Stilleri (Örnek) */
.survey-list .survey-item {
    background: #fff;
    border: 1px solid #e0e0e0;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 5px;
    transition: box-shadow 0.3s ease;
}
.survey-list .survey-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.survey-list .survey-item h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #007bff;
}
.survey-list .survey-item p {
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: #555;
}
.survey-list .survey-item .survey-actions a {
    margin-right: 10px;
    text-decoration: none;
}