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

html,
body {
    height: 100%;
}

body {
    min-height: 100vh;
    overflow: hidden;
    background: #ffffff;
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 24px;
    background:
        radial-gradient(circle at top left, var(--site-primary-shadow), transparent 32%),
        radial-gradient(circle at right bottom, var(--site-primary-rgba), transparent 28%),
        #ffffff;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface-color);
    border: 1px solid var(--site-primary-border);
    border-radius: 18px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.login-card-wide {
    max-width: 520px;
}

.login-header {
    padding: 38px 32px 24px;
    text-align: center;
    background: linear-gradient(180deg, var(--site-primary-rgba) 0%, transparent 100%);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: 30px;
    font-weight: 700;
    color: var(--site-primary);
}

.logo img {
    display: block;
    width: 68px;
    height: 68px;
    border: 0;
    border-radius: 20px;
    object-fit: contain;
    flex: 0 0 auto;
    box-shadow: none;
}

.subtitle {
    margin-top: 10px;
    color: var(--muted-color);
    font-size: 14px;
}

.login-body {
    padding: 8px 32px 28px;
}

.login-body .layui-form-item {
    margin-bottom: 20px;
}

.login-body .layui-form-label {
    width: 54px;
    padding: 11px 0 0;
    text-align: left;
    color: var(--site-primary);
    font-size: 16px;
}

.login-body .layui-input-block {
    margin-left: 54px;
}

.login-body .layui-input {
    height: 46px;
    line-height: 46px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.password-input-wrapper {
    position: relative;
}

.password-input-wrapper .layui-input {
    padding-right: 40px;
}

.password-input-wrapper .pwd-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #9ca3af;
    font-size: 16px;
    transition: color 0.2s ease;
    z-index: 1;
}

.password-input-wrapper .pwd-toggle:hover {
    color: var(--site-primary);
}

.login-body .layui-input::placeholder {
    color: #9ca3af;
}

.login-body .layui-input:focus {
    border-color: var(--site-primary);
    box-shadow: 0 0 0 4px var(--site-primary-rgba);
}

.login-body .layui-input.is-invalid {
    border-color: #ef4444;
    background: #fff7f7;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.field-tip {
    min-height: 18px;
    margin-top: 6px;
    color: #ef4444 !important;
    font-size: 12px;
    line-height: 18px;
    display: block;
}

.captcha-box {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-box .layui-input {
    flex: 1;
}

.captcha-box img {
    width: 122px;
    height: 46px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    background: var(--surface-soft);
    object-fit: cover;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.captcha-box img:hover {
    border-color: var(--site-primary-border);
    box-shadow: 0 8px 18px var(--site-primary-shadow);
    transform: translateY(-1px);
}

.remember-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: -4px;
    margin-bottom: 20px;
    color: var(--muted-color);
    font-size: 14px;
}

.remember-row label {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.remember-row input {
    margin-right: 8px;
    accent-color: var(--site-primary);
}

.btn-login {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 10px;
    background: var(--site-primary);
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 22px var(--site-primary-shadow);
}

.btn-login:hover {
    background: var(--site-primary-dark);
    transform: translateY(-1px);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.login-footer {
    padding: 18px 32px 28px;
    text-align: center;
    color: var(--muted-color);
    font-size: 14px;
    background: var(--surface-soft);
    border-top: 1px solid var(--site-primary-border);
}

.login-footer a {
    color: var(--site-primary);
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    body {
        overflow: auto;
    }

    .login-page {
        padding: 16px;
        gap: 12px;
    }

    .login-card {
        border-radius: 16px;
    }

    .login-header {
        padding: 32px 22px 20px;
    }

    .logo {
        font-size: 26px;
    }

    .logo img {
        width: 54px;
        height: 54px;
        border-radius: 17px;
    }

    .login-body {
        padding: 4px 22px 24px;
    }

    .login-footer {
        padding: 16px 22px 24px;
    }

    .beian-footer {
        gap: 4px 12px;
        font-size: 11px;
        line-height: 18px;
    }

    .captcha-box {
        flex-direction: column;
        align-items: stretch;
    }

    .captcha-box img {
        width: 100%;
    }
}