* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, #172033, #25304a);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Microsoft YaHei",
        "微软雅黑",
        Arial,
        sans-serif;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.login-brand-icon {
    width: 48px;
    height: 48px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(13, 110, 253, 0.1);
    color: #0d6efd;
    font-size: 23px;
}

.login-brand-title {
    font-size: 19px;
    font-weight: 600;
}

.login-brand-subtitle {
    margin-top: 3px;
    font-size: 13px;
    color: #6c757d;
}

.login-message {
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
    font-size: 13px;
    background: #f8d7da;
    color: #842029;
}

.login-card .form-label {
    font-size: 13px;
    font-weight: 500;
}

.login-card .form-control {
    height: 44px;
    font-size: 14px;
}