html, body {
    height: 100%;
}

.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a6fc4 0%, #0a2d6e 100%);
}

.login-card {
    background: #fff;
    border-radius: 8px;
    padding: 44px 40px 36px;
    width: 380px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo .logo-text {
    font-size: 22px;
    font-weight: 700;
    color: #1890ff;
    letter-spacing: 2px;
}

.login-logo .logo-sub {
    font-size: 12px;
    color: #aaa;
    margin-top: 4px;
    letter-spacing: 1px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #555;
    font-size: 13px;
}

.input-wrap {
    position: relative;
}

.input-wrap .input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #bbb;
    font-size: 15px;
    pointer-events: none;
}

.form-control {
    width: 100%;
    height: 42px;
    padding: 0 12px 0 36px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fafafa;
}

.form-control:focus {
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.12);
    background: #fff;
}

.form-control.error {
    border-color: #ff4d4f;
}

.error-tip {
    color: #ff4d4f;
    font-size: 12px;
    margin-top: 5px;
    display: none;
    padding-left: 2px;
}

.form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
    accent-color: #1890ff;
}

.form-check span {
    color: #666;
    font-size: 13px;
}

.forgot-link {
    font-size: 13px;
    color: #1890ff;
}

.forgot-link:hover {
    color: #40a9ff;
}

.btn-login {
    width: 100%;
    height: 42px;
    background: #1890ff;
    color: #fff;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 2px;
    transition: background 0.2s;
}

.btn-login:hover {
    background: #40a9ff;
}

.btn-login:active {
    background: #096dd9;
}

.login-hint {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: #bbb;
}