:root { --p: #d4a574; --tech: #00f2ff; --bg: #050505; --glass: rgba(255,255,255,0.03); }
* { box-sizing: border-box; }
body.login-page { background: var(--bg); margin: 0; overflow: hidden; font-family: 'Noto Sans TC', sans-serif; display: flex; align-items: center; justify-content: center; height: 100vh; }
#login-canvas { position: fixed; top: 0; left: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }
.login-card { position: relative; z-index: 10; width: 100%; max-width: 380px; padding: 40px; background: var(--glass); backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.1); border-radius: 30px; box-shadow: 0 25px 50px rgba(0,0,0,0.5); text-align: center; margin: 20px; }
.brand-icon { color: var(--p); margin-bottom: 15px; }
.login-card h2 { color: #fff; font-weight: 700; letter-spacing: 4px; margin-bottom: 5px; text-transform: uppercase; }
.login-card p { color: var(--p); font-size: 12px; letter-spacing: 2px; margin-bottom: 40px; opacity: 0.8; }
.form-group { margin-bottom: 25px; text-align: left; }
.form-group label { display: block; font-size: 11px; color: var(--p); text-transform: uppercase; margin-bottom: 10px; font-weight: 700; letter-spacing: 1px; }
.form-control { width: 100%; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 12px; padding: 12px 15px; color: var(--p) !important; font-size: 16px; transition: 0.3s; outline: none; caret-color: #fff; font-weight: 700; display: block; }
.form-control::placeholder { color: rgba(255,255,255,0.3); font-weight: 400; }
.form-control:focus { border-color: var(--p); background: rgba(255,255,255,0.1); box-shadow: 0 0 15px rgba(212,165,116,0.3); }
.btn-premium { width: 100%; padding: 14px; background: linear-gradient(135deg, #d4a574 0%, #b88a5a 100%); border: none; border-radius: 12px; color: #1a1a1a; font-weight: 700; cursor: pointer; transition: 0.4s; letter-spacing: 2px; text-transform: uppercase; margin: 10px auto 0; display: block; }
.btn-premium:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(212,165,116,0.4); filter: brightness(1.1); }
#login-error { color: #ff4d4d; font-size: 13px; margin-bottom: 15px; background: rgba(255,77,77,0.1); padding: 8px; border-radius: 8px; border: 1px solid rgba(255,77,77,0.2); }
#login-error.d-none { display: none; }
.fa,.fa-brands,.fa-classic,.fa-regular,.fa-sharp,.fa-solid,.fab,.far,.fas {
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    display: var(--fa-display,inline-block);
    font-style: normal;
    font-variant: normal;
    line-height: 1;
    text-rendering: auto
}