:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #06080a;
  --panel: rgba(13,17,20,.82);
  --line: rgba(181,210,198,.14);
  --line-strong: rgba(139,233,188,.26);
  --text: #edf1ef;
  --muted: #7f8c87;
  --accent: #8be9bc;
  --accent-bright: #b4f6d7;
  font-synthesis: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { width: 100%; height: 100%; }
body { margin: 0; color: var(--text); background: var(--bg); overflow: hidden; }
button, input { font: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

#neural-net { position: fixed; inset: 0; width: 100%; height: 100%; display: block; background: radial-gradient(circle at 50% 48%,#13251d 0,#0b1512 34%,#060b0a 70%,#040607 100%); }
.neural-vignette { position: fixed; inset: 0; pointer-events: none; background: radial-gradient(circle at 50% 48%,transparent 18%,rgba(2,5,5,.08) 68%,rgba(2,4,5,.48) 100%); }
.neural-vignette::after { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(139,233,188,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(139,233,188,.035) 1px,transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg,#000,transparent 75%); }

.login-shell { position: relative; width: 100%; height: 100dvh; overflow: hidden; z-index: 1; }
.login-brand { position: absolute; inset: 0; min-width: 0; padding: 36px clamp(34px,6vw,96px); pointer-events: none; }
.wordmark { display: flex; align-items: center; gap: 9px; }
.wordmark svg { width: 28px; height: 28px; color: var(--accent); filter: drop-shadow(0 0 12px rgba(139,233,188,.22)); }
.wordmark span { font-size: 13px; font-weight: 760; letter-spacing: .13em; }
.wordmark small { color: var(--muted); font-size: 13px; }
.brand-copy { position: absolute; left: clamp(34px,6vw,96px); bottom: clamp(86px,12vh,145px); max-width: 610px; }
.kicker, .eyebrow { color: var(--accent); font: 680 9px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .13em; text-transform: uppercase; }
.kicker { display: flex; align-items: center; gap: 9px; }
.kicker i { width: 25px; height: 1px; background: var(--accent); box-shadow: 0 0 9px rgba(139,233,188,.5); }
.brand-copy h1 { margin: 23px 0 20px; color: #f1f4f2; font-size: clamp(43px,5.4vw,78px); font-weight: 520; letter-spacing: -.065em; line-height: .9; text-shadow: 0 12px 45px rgba(0,0,0,.35); }
.brand-copy h1 em { color: var(--accent-bright); font-style: normal; }
.brand-copy p { max-width: 520px; margin: 0; color: #94a19c; font-size: 14px; line-height: 1.7; }
.network-metrics { margin-top: 31px; display: flex; flex-wrap: wrap; gap: 9px; }
.network-metrics span { padding: 7px 9px; color: #65736e; border: 1px solid rgba(139,233,188,.1); border-radius: 4px; background: rgba(8,14,12,.5); backdrop-filter: blur(7px); font: 8px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; text-transform: uppercase; }
.network-metrics strong { color: #9ecdb7; font-weight: 670; }
.security-line { position: absolute; left: clamp(34px,6vw,96px); bottom: 34px; display: flex; align-items: center; gap: 9px; color: #607069; font: 8px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.security-line span, .lock-dot, .card-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px rgba(139,233,188,.48); }

.scene-hud { position: absolute; top: 37px; right: 37px; display: flex; gap: 23px; color: rgba(128,157,144,.38); font: 7px ui-monospace,SFMono-Regular,Menlo,monospace; letter-spacing: .12em; }
.scene-hud span + span::before { content: "/"; margin-right: 23px; color: rgba(139,233,188,.18); }
.login-panel { position: absolute; inset: 0; padding: clamp(24px,5vw,72px); display: grid; place-items: center; pointer-events: none; perspective: 1400px; }
.login-card { position: relative; width: min(390px,100%); padding: 25px 27px 24px; border: 1px solid rgba(171,240,209,.27); border-radius: 14px; background: linear-gradient(145deg,rgba(14,23,21,.4),rgba(4,10,10,.3)); box-shadow: 0 38px 110px rgba(0,0,0,.46),0 0 95px rgba(75,206,150,.07),inset 0 1px rgba(224,255,241,.07); backdrop-filter: blur(11px) saturate(145%); transform: translateX(min(24vw,230px)) perspective(1100px) rotateX(var(--card-tilt-x,0deg)) rotateY(var(--card-tilt-y,0deg)); transform-style: preserve-3d; transition: transform .15s ease-out; pointer-events: auto; }
.login-card::before { content: ""; position: absolute; inset: -1px; padding: 1px; border-radius: inherit; background: linear-gradient(135deg,rgba(139,233,188,.28),transparent 32%,transparent 72%,rgba(139,233,188,.08)); pointer-events: none; mask: linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0); }
.card-status { margin: -3px 0 27px; padding-bottom: 15px; display: flex; align-items: center; justify-content: space-between; color: #66746e; border-bottom: 1px solid rgba(181,210,198,.09); font: 7px ui-monospace,SFMono-Regular,Menlo,monospace; letter-spacing: .1em; text-transform: uppercase; }
.card-status span:first-child { display: flex; align-items: center; gap: 7px; color: #8ba398; }
.card-status i { width: 5px; height: 5px; }
.card-heading { margin-bottom: 28px; }
.card-heading h2 { margin: 11px 0 7px; color: #f5f7f6; font-size: 24px; font-weight: 580; letter-spacing: -.04em; }
.card-heading p { margin: 0; color: var(--muted); font-size: 12px; }
form { display: grid; gap: 17px; }
label { display: grid; gap: 8px; color: #a6b0ac; font-size: 10px; font-weight: 570; }
input { width: 100%; height: 44px; padding: 0 12px; color: #f2f5f3; border: 1px solid rgba(181,230,210,.2); border-radius: 7px; background: rgba(3,8,8,.46); box-shadow: inset 0 0 24px rgba(0,0,0,.22); backdrop-filter: blur(5px); outline: none; }
input:hover { border-color: rgba(181,210,198,.22); }
input:focus { border-color: rgba(139,233,188,.48); box-shadow: 0 0 0 3px rgba(139,233,188,.055),0 0 25px rgba(139,233,188,.025); }
.password-field { position: relative; display: block; }
.password-field input { padding-right: 60px; }
.password-field button { position: absolute; right: 6px; top: 6px; height: 32px; padding: 0 9px; color: #68756f; border: 0; border-radius: 5px; background: transparent; cursor: pointer; font-size: 9px; }
.password-field button:hover { color: #d0d8d4; background: rgba(139,233,188,.06); }
.login-button { height: 43px; margin-top: 6px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; color: #07110c; border: 0; border-radius: 7px; background: var(--accent); box-shadow: 0 9px 28px rgba(82,197,143,.12); cursor: pointer; font-size: 10px; font-weight: 720; }
.login-button:hover { background: var(--accent-bright); transform: translateY(-1px); }
.login-button:disabled { opacity: .5; cursor: wait; transform: none; }
.login-button svg { width: 15px; height: 15px; }
.login-error { padding: 10px 11px; color: #ffb4bf; border: 1px solid rgba(255,132,150,.18); border-radius: 6px; background: rgba(255,132,150,.06); font-size: 10px; }
footer { margin-top: 24px; padding-top: 16px; display: flex; align-items: center; gap: 8px; color: #59665f; border-top: 1px solid rgba(181,210,198,.08); font-size: 9px; }
.lock-dot { width: 5px; height: 5px; }

@media (max-width: 850px) {
  .neural-vignette { background: radial-gradient(circle at 50% 48%,transparent 8%,rgba(2,5,5,.05) 70%,rgba(2,4,5,.5) 100%); }
  .login-brand { padding: 26px 27px; }
  .brand-copy, .network-metrics, .security-line, .scene-hud { display: none; }
  .login-panel { padding: 72px 18px 18px; }
  .login-card { width: min(390px,100%); padding: 21px 23px 20px; background: linear-gradient(145deg,rgba(12,21,19,.36),rgba(4,10,10,.27)); transform: perspective(1000px) rotateX(var(--card-tilt-x,0deg)) rotateY(var(--card-tilt-y,0deg)); }
  .card-status { margin-bottom: 20px; padding-bottom: 12px; }
  .card-heading { margin-bottom: 21px; }
  .card-heading h2 { font-size: 21px; }
  form { gap: 14px; }
  footer { margin-top: 18px; }
}

@media (max-width: 480px) {
  .wordmark small { display: none; }
  .login-brand { padding: 22px 20px; }
  .login-panel { padding: 64px 12px 12px; }
  .login-card { padding: 18px 17px; border-radius: 12px; }
}

@media (max-height: 720px) and (min-width: 851px) {
  .login-brand { padding-top: 25px; padding-bottom: 25px; }
  .brand-copy h1 { font-size: 52px; }
  .network-metrics { margin-top: 18px; }
  .login-card { padding-top: 20px; padding-bottom: 20px; }
  .card-status, .card-heading { margin-bottom: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .login-button { transition: none; }
}