/* --- Общие стили для всего проекта --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1, h2 {
    color: #444;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.form-group { margin-bottom: 20px; }
label { display: block; font-weight: 600; margin-bottom: 5px; }

input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

textarea { min-height: 80px; resize: vertical; }

button {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
}
button:hover { background-color: #0056b3; }

fieldset { border: 1px solid #ddd; border-radius: 4px; padding: 15px; margin-bottom: 15px; }
legend { font-weight: 600; padding: 0 10px; }

/* --- Стили для кнопок --- */
.btn-add { background-color: #28a745; }
.btn-add:hover { background-color: #218838; }

.btn-delete {
    background-color: #dc3545;
    padding: 5px 10px;
    font-size: 14px;
    margin-left: 10px;
    margin-top: 0;
    line-height: 1.5;
}
.btn-delete:hover { background-color: #c82333; }

/* --- Стили для динамических элементов на index.php --- */
.dynamic-item { padding: 15px; border: 1px dashed #ccc; margin-top: 10px; border-radius: 4px; position: relative; }
.input-group { display: flex; align-items: center; }
.input-group input, .input-group textarea { flex-grow: 1; }
#pairwise-options { display: none; margin-left: 20px; margin-top: 10px; }
.template-controls { display: flex; gap: 10px; align-items: center; }

/* --- Шапка пользователя (user-header) --- */
.user-header {
    max-width: 900px;
    margin: 0 auto 20px auto;
    padding: 15px;
    background-color: #e9ecef;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.user-info span { font-weight: bold; }
.user-actions a { text-decoration: none; color: #007bff; margin-left: 15px; }
.user-actions a:hover { text-decoration: underline; }

/* --- Стили для страницы авторизации login.php --- */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.auth-container { display: flex; gap: 40px; }
.auth-form { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); width: 300px; }
.auth-form h2 { text-align: center; }
.auth-form button { width: 100%; }

/* Стили для сообщений об успехе/ошибке */
.message { padding: 10px; margin-bottom: 15px; border-radius: 4px; text-align: center; }
.error { background-color: #f8d7da; color: #721c24; }
.success { background-color: #d4edda; color: #155724; }