:root {
    --page: #eef1f4;
    --surface: #ffffff;
    --border: #d9dee5;
    --text: #17212b;
    --muted: #66717f;
    --accent: #176b67;
    --accent-hover: #115b57;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    background: var(--page);
    color: var(--text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    letter-spacing: 0;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: 0 16px 40px rgba(23, 33, 43, 0.1);
    text-align: left;
}

.login-header {
    margin-bottom: 24px;
}

.login-brand {
    display: grid;
    width: 42px;
    height: 42px;
    margin-bottom: 14px;
    place-items: center;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
}

.login-header h1 {
    margin: 0;
    color: var(--text);
    font-size: 23px;
    font-weight: 780;
}

.login-header p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.login-container .form-label {
    margin-bottom: 6px;
    color: var(--text);
    font-size: 12px;
    font-weight: 700;
}

.login-container .form-control {
    min-height: 44px;
    margin: 0;
    padding: 9px 44px 9px 12px;
    border: 1px solid #c5ccd5;
    border-radius: 7px;
    font-size: 14px;
}

.login-container .form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(23, 107, 103, 0.12);
}

.password-toggle-btn {
    right: 8px;
    width: 36px;
    height: 36px;
    color: var(--muted);
    font-size: 14px;
}

.btn-login {
    width: 100%;
    min-height: 42px;
    margin-top: 14px;
    padding: 0 16px;
    border: 0;
    border-radius: 7px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 750;
    letter-spacing: 0;
    text-transform: none;
}

.btn-login:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: none;
    box-shadow: none;
}

.server-info {
    margin-top: 24px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: #f7f8fa;
}

.server-info h6 {
    margin-bottom: 10px;
    color: var(--text);
    font-size: 13px;
    font-weight: 750;
}

.info-item {
    min-height: 32px;
    padding: 6px 0;
    border-bottom: 1px solid #e6eaee;
    font-size: 12px;
}

.info-label { color: var(--muted); }
.info-value { color: var(--text); font-weight: 700; text-align: right; }
.alert-custom { border-radius: 7px; }

@media (max-width: 480px) {
    .login-container { padding: 22px 18px; }
}