* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f0f2f5;
    color: #333;
    line-height: 1.6;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.login-container h1 {
    margin-bottom: 5px;
    color: #2c3e50;
}

.subtitle {
    color: #7f8c8d;
    margin-bottom: 30px;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: #2c3e50;
    color: #fff;
    padding: 20px 30px;
    border-radius: 8px 8px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.4em;
}

.domain {
    font-weight: normal;
    font-size: 0.7em;
    opacity: 0.7;
}

nav {
    display: flex;
    gap: 5px;
}

nav a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.9em;
    transition: background 0.2s;
}

nav a:hover, nav a.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

section {
    background: #fff;
    padding: 25px 30px;
    border-bottom: 1px solid #e1e4e8;
}

section:last-child {
    border-bottom: none;
    border-radius: 0 0 8px 8px;
}

h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.2em;
}

.status-section {
    background: #fff;
    padding: 25px 30px;
    border-bottom: 1px solid #e1e4e8;
}

.status-grid {
    display: flex;
    gap: 15px;
}

.status-card {
    padding: 15px 25px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.status-ok {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.status-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e1e4e8;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
    font-size: 0.9em;
}

tr:hover {
    background: #f8f9fa;
}

.actions {
    display: flex;
    gap: 8px;
}

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

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #495057;
    font-size: 0.9em;
}

input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1em;
    transition: border-color 0.2s;
}

input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52,152,219,0.15);
}

small {
    display: block;
    margin-top: 4px;
    color: #6c757d;
    font-size: 0.85em;
}

.input-with-suffix {
    display: flex;
    align-items: center;
}

.input-with-suffix input {
    border-radius: 4px 0 0 4px;
    flex: 1;
}

.suffix {
    background: #e9ecef;
    border: 1px solid #ced4da;
    border-left: none;
    padding: 10px 14px;
    border-radius: 0 4px 4px 0;
    color: #495057;
    font-size: 0.95em;
    white-space: nowrap;
}

.inline-form {
    display: flex;
    gap: 15px;
    align-items: flex-end;
}

.inline-form .form-group {
    flex: 1;
    margin-bottom: 0;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    background: #fff;
    color: #333;
    text-decoration: none;
    font-size: 0.9em;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover {
    background: #f8f9fa;
}

.btn-primary {
    background: #3498db;
    color: #fff;
    border-color: #3498db;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-danger {
    background: #e74c3c;
    color: #fff;
    border-color: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-small {
    padding: 5px 12px;
    font-size: 0.85em;
}

.btn-full {
    width: 100%;
    padding: 12px;
}

.alert {
    padding: 12px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
    }

    nav {
        flex-wrap: wrap;
    }

    .status-grid {
        flex-direction: column;
    }

    .inline-form {
        flex-direction: column;
    }

    .actions {
        flex-direction: column;
    }
}