:root {
  --bg: #03050c;
  --panel: rgba(10, 18, 34, 0.82);
  --line: rgba(126, 206, 255, 0.16);
  --line-strong: rgba(126, 206, 255, 0.32);
  --text: #e9f2ff;
  --text-soft: #b6c7e2;
  --muted: #8fa4c4;
  --dim: #647896;
  --cyan: #5ef2ff;
  --mint: #63ffb4;
  --violet: #b49bff;
  --red: #ff6482;
  --font: "Segoe UI Variable", "Inter", "SF Pro Display", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Code", "SF Mono", "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  background:
    radial-gradient(900px 600px at 84% -10%, rgba(94, 242, 255, 0.12), transparent 62%),
    radial-gradient(800px 600px at 5% 20%, rgba(180, 155, 255, 0.13), transparent 60%),
    linear-gradient(180deg, #050810 0%, #03050c 60%, #040710 100%);
  display: grid;
  place-items: center;
  padding: 28px 20px;
}
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 20;
  background: var(--cyan); color: #021018; padding: 10px 16px; border-radius: 8px;
  font-weight: 700; text-decoration: none; transition: top 160ms ease;
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background-image:
    linear-gradient(rgba(120, 200, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 200, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(1000px 700px at 50% 0%, #000 8%, transparent 100%);
  mask-image: radial-gradient(1000px 700px at 50% 0%, #000 8%, transparent 100%);
}

.auth-shell {
  width: min(1080px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  gap: 26px;
  align-items: stretch;
}

.auth-copy {
  padding: 34px 30px 30px 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 46px; }
.logo-mark {
  width: 42px; height: 42px; display: grid; place-items: center; flex: none;
  font-family: var(--mono); font-weight: 800; font-size: 18px;
  color: #dffcff;
  background: linear-gradient(145deg, rgba(94, 242, 255, 0.22), rgba(180, 155, 255, 0.12));
  border: 1px solid rgba(94, 242, 255, 0.42);
  clip-path: polygon(25% 3%, 75% 3%, 100% 50%, 75% 97%, 25% 97%, 0 50%);
  box-shadow: 0 0 30px rgba(94, 242, 255, 0.16);
}
.brand strong { display: block; font-size: 15px; letter-spacing: 0.22em; }
.brand span { display: block; margin-top: 4px; font-family: var(--mono); font-size: 8px; letter-spacing: 0.18em; color: var(--dim); }

.eyebrow {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
h1 {
  margin: 0;
  max-width: 580px;
  font-size: clamp(34px, 4.3vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 620;
}
.lede {
  max-width: 560px;
  margin: 20px 0 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.65;
}
.lede strong { color: var(--text); font-weight: 600; }

.fact-list {
  list-style: none;
  padding: 0;
  margin: 34px 0 0;
  display: grid;
  gap: 12px;
  max-width: 560px;
}
.fact-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(126, 206, 255, 0.09);
  color: var(--muted);
  font-size: 12px;
}
.fact-list span { font-family: var(--mono); font-size: 9px; color: var(--dim); padding-top: 2px; }

.auth-panel {
  background: linear-gradient(180deg, rgba(13, 24, 45, 0.92), rgba(6, 12, 24, 0.9));
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
  padding: 28px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(18px);
}
.panel-head h2 { margin: 4px 0 6px; font-size: 26px; letter-spacing: -0.02em; font-weight: 600; }
.panel-head p { margin: 0 0 20px; color: var(--muted); font-size: 12px; }

.auth-form { display: grid; gap: 8px; }
.auth-form[hidden] { display: none; }
label {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}
input {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(3, 7, 15, 0.72);
  color: var(--text);
  outline: none;
}
input::placeholder { color: #52647f; }
input:focus { border-color: var(--line-strong); box-shadow: 0 0 0 3px rgba(94, 242, 255, 0.08); }

.password-wrap { position: relative; }
.password-wrap input { padding-right: 58px; }
.reveal {
  position: absolute; right: 7px; top: 50%; transform: translateY(-50%);
  border: 0; background: transparent; color: var(--dim);
  font-family: var(--mono); font-size: 8px; letter-spacing: 0.08em;
  text-transform: uppercase; cursor: pointer; padding: 6px;
}
.reveal:hover { color: var(--text-soft); }

.btn-primary {
  margin-top: 18px;
  min-height: 44px;
  border: 1px solid rgba(94, 242, 255, 0.45);
  border-radius: 9px;
  background: linear-gradient(180deg, rgba(94, 242, 255, 0.2), rgba(94, 242, 255, 0.08));
  color: #dffcff;
  font-weight: 650;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease;
}
.btn-primary:hover { background: rgba(94, 242, 255, 0.24); border-color: var(--cyan); }
.btn-primary:disabled { opacity: 0.55; cursor: wait; }

.fine-print { margin: 12px 0 0; color: var(--dim); font-size: 10px; line-height: 1.6; }

.form-error {
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 100, 130, 0.35);
  border-radius: 9px;
  background: rgba(255, 100, 130, 0.08);
  color: #ffc0cd;
  font-size: 11px;
}
.form-error[hidden] { display: none; }

.invite-target {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(94, 242, 255, 0.04);
  font-size: 11px;
  color: var(--muted);
}
.invite-target strong { color: var(--text); font-weight: 600; }
.role-pill {
  margin-left: auto;
  padding: 3px 7px;
  border: 1px solid rgba(180, 155, 255, 0.32);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.1em;
  color: var(--violet);
}

.panel-foot {
  margin-top: auto;
  padding-top: 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  color: var(--dim);
  font-size: 9px;
}
.pill {
  padding: 4px 8px;
  border: 1px solid rgba(255, 100, 130, 0.3);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.1em;
  color: #ffc0cd;
}
.mono { font-family: var(--mono); font-size: 8px; letter-spacing: 0.08em; }

@media (max-width: 860px) {
  .auth-shell { grid-template-columns: 1fr; max-width: 560px; }
  .auth-copy { padding: 12px 4px 0; }
  .brand { margin-bottom: 26px; }
  .fact-list { display: none; }
  .lede { font-size: 13px; }
  h1 { font-size: clamp(30px, 9vw, 42px); }
  .auth-panel { padding: 22px; }
}