/**
 * 登录页专属布局（配合 style/sf-ui.css · body.sf-ui.login-sf）
 */
body.login-sf {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 229, 255, 0.12), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(20, 241, 196, 0.06), transparent 50%),
        radial-gradient(ellipse 50% 35% at 0% 80%, rgba(77, 184, 255, 0.07), transparent 45%),
        linear-gradient(165deg, #070b14 0%, #0a1220 45%, #070b14 100%);
    color: var(--sf-text);
}

body.login-sf .login-container {
    width: 100%;
    max-width: 400px;
    background: #0a1220;
    border-radius: 10px;
    border: 1px solid rgba(0, 229, 255, 0.28);
    box-shadow:
        0 0 28px rgba(0, 229, 255, 0.12),
        0 16px 40px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

body.login-sf .login-header {
    padding: 26px 28px 20px;
    background: linear-gradient(135deg, rgba(8, 40, 64, 0.98), rgba(6, 28, 48, 0.96));
    border-bottom: 1px solid rgba(0, 229, 255, 0.28);
}

body.login-sf .login-header h1 {
    margin: 0 0 6px;
    font-family: var(--sf-font-display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--sf-cyan);
    text-shadow: 0 0 14px rgba(0, 229, 255, 0.35);
}

body.login-sf .login-header p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--sf-muted);
    letter-spacing: 0.04em;
}

body.login-sf .login-body {
    padding: 28px 28px 26px;
    background: rgba(8, 16, 28, 0.92);
}

body.login-sf .form-group {
    margin-bottom: 16px;
}

body.login-sf .form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sf-text-strong);
}

body.login-sf .form-group input[type="text"],
body.login-sf .form-group input[type="password"],
body.login-sf .form-group input:not([type]) {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px !important;
    font-size: 0.95rem !important;
    font-family: var(--sf-font) !important;
    line-height: 1.4;
    background: #0a1628 !important;
    border: 1px solid rgba(0, 229, 255, 0.28) !important;
    border-radius: 6px !important;
    color: var(--sf-text) !important;
    box-shadow: none !important;
    color-scheme: dark;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    -webkit-appearance: none;
    appearance: none;
}
body.login-sf .form-group input::placeholder {
    color: var(--sf-muted) !important;
    opacity: 0.85;
}
body.login-sf .form-group input:hover {
    border-color: rgba(0, 229, 255, 0.42) !important;
}
body.login-sf .form-group input:focus {
    outline: none !important;
    border-color: rgba(0, 229, 255, 0.65) !important;
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.16) !important;
    background: #0c1a30 !important;
    color: var(--sf-text-strong) !important;
}
/* 浏览器自动填充白底压掉 */
body.login-sf .form-group input:-webkit-autofill,
body.login-sf .form-group input:-webkit-autofill:hover,
body.login-sf .form-group input:-webkit-autofill:focus {
    -webkit-text-fill-color: #b6d4ef !important;
    caret-color: #b6d4ef;
    box-shadow: 0 0 0 1000px #0a1628 inset !important;
    transition: background-color 99999s ease-out;
    border: 1px solid rgba(0, 229, 255, 0.28) !important;
}

body.login-sf .checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 4px 0 20px;
}

body.login-sf .checkbox-group label {
    margin: 0;
    font-size: 0.85rem;
    color: var(--sf-muted);
    cursor: pointer;
    user-select: none;
    font-weight: 500;
}

body.login-sf .login-btn.sf-btn {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    justify-content: center;
}

body.login-sf .alert {
    padding: 10px 12px;
    margin-bottom: 16px;
    font-size: 0.85rem;
    line-height: 1.45;
    border-radius: 6px;
}

body.login-sf .alert-error {
    background: rgba(255, 77, 109, 0.1);
    color: #ff8fa3;
    border: 1px solid rgba(255, 77, 109, 0.35);
}

body.login-sf .alert-success {
    background: rgba(20, 241, 196, 0.08);
    color: #7dddd0;
    border: 1px solid rgba(20, 241, 196, 0.3);
}

body.login-sf .loading {
    display: none;
    text-align: center;
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--sf-muted);
}

body.login-sf .loading.show {
    display: block;
}

body.login-sf .beian {
    margin-top: 20px;
    padding-top: 14px;
    border-top: 1px solid rgba(0, 229, 255, 0.14);
    text-align: center;
    font-size: 12px;
}

body.login-sf .beian a {
    color: var(--sf-muted);
    text-decoration: none;
}

body.login-sf .beian a:hover {
    color: var(--sf-cyan);
}

@media (max-width: 480px) {
    body.login-sf {
        padding: 16px;
        align-items: flex-start;
        padding-top: 10vh;
    }

    body.login-sf .login-header,
    body.login-sf .login-body {
        padding-left: 20px;
        padding-right: 20px;
    }
}