*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#07090f;--card:#101724;--b:rgba(255,255,255,0.08);--b2:rgba(255,255,255,0.14);--t:#dde6f5;--t2:#6d85a3;--bl:#3b82f6;--cy:#06b6d4}
body{background:var(--bg);color:var(--t);font-family:system-ui,-apple-system,sans-serif;min-height:100vh;display:flex;flex-direction:column}
::-webkit-scrollbar{width:4px}::-webkit-scrollbar-thumb{background:#1e3a5f;border-radius:4px}

/* NAV */
.site-nav{display:flex;align-items:center;justify-content:space-between;padding:14px 32px;border-bottom:1px solid var(--b);background:rgba(7,9,15,.88);backdrop-filter:blur(16px);position:sticky;top:0;z-index:200}
.site-nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.site-nav-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#2563eb,#06b6d4);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#fff;box-shadow:0 0 16px rgba(37,99,235,.35);flex-shrink:0}
.site-nav-name{font-size:13px;font-weight:700;color:var(--t);line-height:1.2}
.site-nav-name em{color:var(--bl);font-style:normal}
.site-nav-tag{font-size:10px;color:var(--t2);letter-spacing:.6px}
.site-back{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;border:1px solid var(--b);background:transparent;color:var(--t2);font-size:12px;font-weight:600;text-decoration:none;transition:all .2s}
.site-back:hover{border-color:rgba(59,130,246,.4);color:var(--t)}

/* CONTENT */
.content{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 24px}
.login-card{background:var(--card);border:1px solid var(--b);border-radius:20px;padding:48px 40px;width:100%;max-width:400px;text-align:center;position:relative;overflow:hidden}
.login-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--bl),var(--cy))}

.logo-wrap{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:32px}
.logo-box{width:40px;height:40px;background:linear-gradient(135deg,#2563eb,#06b6d4);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;color:#fff;box-shadow:0 0 20px rgba(37,99,235,.4)}
.logo-text{font-size:22px;font-weight:700}
.logo-text span{color:var(--bl)}

h2{font-size:20px;font-weight:700;margin-bottom:8px}
.subtitle{font-size:13px;color:var(--t2);margin-bottom:36px;line-height:1.6}

.btn-google{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px 20px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:var(--t);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-google:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.btn-google img{width:20px;height:20px}

.features{text-align:left;margin-top:32px;padding-top:28px;border-top:1px solid var(--b)}
.feature{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}
.feat-icon{font-size:16px;margin-top:1px;flex-shrink:0}
.feat-text{font-size:12px;color:var(--t2);line-height:1.5}
.feat-text strong{color:var(--t);font-weight:600}

.input-field{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--b);background:rgba(255,255,255,.04);color:var(--t);font-size:14px;outline:none;transition:border-color .2s;margin-bottom:10px}
.input-field:focus{border-color:var(--bl);background:rgba(59,130,246,.05)}
.input-field::placeholder{color:var(--t2)}
.btn-primary{width:100%;padding:13px;border-radius:10px;background:var(--bl);color:#fff;border:none;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;margin-bottom:4px}
.btn-primary:hover{background:#2563eb;transform:translateY(-1px)}
.divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--t2);font-size:12px}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--b)}
.error-msg{display:none;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#ef4444;border-radius:8px;padding:12px;font-size:12px;margin-top:8px}
.loading{display:none;flex-direction:column;align-items:center;gap:12px;padding:20px 0}
.spinner{width:32px;height:32px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--bl);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-size:13px;color:var(--t2)}

.toggle-view{font-size:12px;color:var(--t2);text-align:center;margin-top:18px}
.toggle-view a{color:var(--bl);text-decoration:none;font-weight:600}
.toggle-view a:hover{text-decoration:underline}
footer{text-align:center;padding:20px;font-size:11px;color:var(--t2)}
footer a{color:var(--t2);text-decoration:none}
footer a:hover{color:var(--t)}

.logo-mark-svg{flex-shrink:0;display:block;border-radius:8px}