/* 登录页独立样式 — 不依赖 Layui 版本，仅覆盖少量组件外观 */

:root {
    --login-accent: #2563eb;
    --login-accent-hover: #1d4ed8;
    --login-text: #0f172a;
    --login-muted: #64748b;
    --login-card-bg: rgba(255, 255, 255, 0.78);
    --login-card-border: rgba(255, 255, 255, 0.55);
    --login-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
}

.login-bg {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    box-sizing: border-box;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: #0f172a;
    background-image:
        radial-gradient(ellipse 120% 80% at 50% -20%, rgba(37, 99, 235, 0.45), transparent),
        radial-gradient(ellipse 80% 50% at 100% 50%, rgba(99, 102, 241, 0.2), transparent),
        radial-gradient(ellipse 60% 40% at 0% 80%, rgba(14, 165, 233, 0.18), transparent),
        linear-gradient(165deg, #0f172a 0%, #1e293b 45%, #0f172a 100%);
    background-attachment: fixed;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
}

.login-card {
    width: 100%;
    padding: 40px 36px 36px;
    background: var(--login-card-bg);
    border: 1px solid var(--login-card-border);
    border-radius: 16px;
    box-shadow: var(--login-shadow);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-sizing: border-box;
}

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

.login-header {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--login-text);
    margin: 0 0 6px;
    line-height: 1.3;
}

.login-sub {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--login-muted);
    line-height: 1.5;
}

.login-card .layui-form {
    margin-top: 4px;
}

.login-card .layui-input {
    height: 46px;
    line-height: 46px;
    padding: 0 14px;
    margin-bottom: 14px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.95);
    box-sizing: border-box;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.login-card .layui-input:focus {
    border-color: var(--login-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    outline: none;
}

.login-card .layui-btn-fluid {
    height: 46px;
    line-height: 46px;
    margin-top: 6px;
    padding: 0;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, var(--login-accent) 0%, #4f46e5 100%) !important;
    color: #fff !important;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
    box-shadow: 0 10px 24px -8px rgba(37, 99, 235, 0.55);
}

.login-card .layui-btn-fluid:hover {
    filter: brightness(1.05);
    box-shadow: 0 14px 28px -6px rgba(37, 99, 235, 0.5);
}

.login-card .layui-btn-fluid:active {
    transform: translateY(1px);
}

.login-foot {
    margin-top: 22px;
    text-align: center;
    font-size: 12px;
    color: var(--login-muted);
    opacity: 0.9;
}

@media (max-width: 480px) {
    .login-card {
        padding: 32px 22px 28px;
        border-radius: 14px;
    }

    .login-header {
        font-size: 1.2rem;
    }
}