/* =====================================================================
   NEXUS — minimal entry pages (welcome, client home)
   ===================================================================== */
:root {
  --ink: #0f1a2b; --line: rgba(120, 150, 190, .16); --text: #e6edf6; --muted: #8fa1b9; --faint: #64768f;
  --blue: #2f7bf5; --cyan: #22d3ee; --card: rgba(20, 34, 58, .72); --card-line: #26364f;
  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 15px/1.45 var(--sans); color: var(--text); background: var(--ink); -webkit-font-smoothing: antialiased;
  display: grid; place-items: center; min-height: 100vh; padding: 32px 16px; overflow-x: hidden; position: relative;
}
/* drifting grid — moves slowly left to right, like flow through a channel */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 50% 50%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 65% at 50% 50%, #000 30%, transparent 100%);
  animation: drift 14s linear infinite;
}
@keyframes drift { from { background-position: 0 0, 0 0; } to { background-position: 48px 0, 48px 0; } }
@media (prefers-reduced-motion: reduce) { body::before { animation: none; } }

.entry { position: relative; z-index: 1; width: 100%; max-width: 560px; display: grid; justify-items: center; gap: 36px; }
.mark { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.mark svg { width: 36px; height: 36px; }
.mark b { font-weight: 700; font-size: 18px; letter-spacing: .24em; }
.mark small { color: var(--muted); font-size: 13px; border-left: 1px solid var(--card-line); padding-left: 12px; letter-spacing: 0; }
.label { color: var(--muted); font-size: 13px; margin: 0 0 -24px; }

.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; width: 100%; }
.choice {
  position: relative; display: grid; gap: 6px; align-content: center; min-height: 128px; padding: 22px 22px 20px;
  border: 1px solid var(--card-line); border-radius: 14px; background: var(--card); color: inherit; text-decoration: none;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); cursor: pointer; font: inherit; text-align: left;
  transition: border-color .15s, background-color .15s;
}
.choice:hover { border-color: var(--accent, var(--blue)); background: rgba(26, 44, 74, .85); }
.choice:focus-visible { outline: 3px solid var(--accent, var(--blue)); outline-offset: 3px; }
.choice b { font-size: 22px; font-weight: 650; letter-spacing: -.005em; }
.choice span { color: var(--muted); font-size: 13px; }
.choice::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: 0; height: 2px; border-radius: 2px; background: var(--accent, var(--blue)); opacity: 0; transition: opacity .15s; }
.choice:hover::after { opacity: 1; }
.choice.eng { --accent: var(--cyan); }
.badge { position: absolute; top: 14px; right: 14px; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: #d23b3b; color: #fff; font-size: 11.5px; font-weight: 700; display: grid; place-items: center; }
.badge[hidden] { display: none; }

.foot { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; font-size: 13px; color: var(--faint); }
.foot a, .foot button { color: var(--muted); background: none; border: 0; padding: 0; font: inherit; cursor: pointer; text-decoration: none; }
.foot a:hover, .foot button:hover { color: var(--text); text-decoration: underline; }
.sent {
  display: flex; gap: 10px; align-items: center; padding: 8px 8px 8px 14px; border-radius: 22px; font-size: 13.5px;
  background: rgba(52, 211, 153, .12); border: 1px solid rgba(52, 211, 153, .35); color: #b6f0d6;
}
.sent b { color: #fff; font-family: ui-monospace, Consolas, monospace; letter-spacing: .02em; }
.sent a { color: #06121f; background: #34d399; border-radius: 14px; padding: 3px 12px; font-weight: 600; text-decoration: none; }
.sent button { background: none; border: 0; color: #b6f0d6; cursor: pointer; font-size: 16px; line-height: 1; padding: 2px 6px; }
.sent[hidden] { display: none; }

@media (max-width: 480px) {
  .choices { grid-template-columns: 1fr; }
  .choice { min-height: 96px; }
  .mark small { display: none; }
}

/* ---------- log-in ---------- */
.entry.narrow { max-width: 380px; gap: 22px; }
.panel { width: 100%; display: grid; gap: 14px; padding: 26px 24px 22px; border: 1px solid var(--card-line); border-radius: 14px; background: var(--card); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.panel[hidden], [hidden] { display: none !important; }
.panel h1 { margin: 0 0 2px; font-size: 20px; font-weight: 650; }
.fld { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.fld input { height: 40px; padding: 0 12px; border-radius: 8px; border: 1px solid #33445f; background: rgba(8, 14, 26, .7); color: var(--text); font: inherit; font-size: 15px; }
.fld input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47, 123, 245, .28); }
.is-eng .fld input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34, 211, 238, .22); }
.primary-btn { height: 42px; border: 0; border-radius: 8px; background: var(--blue); color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
.is-eng .primary-btn { background: var(--cyan); color: #06121f; }
.primary-btn:hover { filter: brightness(1.08); }
.primary-btn:disabled { opacity: .6; cursor: progress; }
.primary-btn:focus-visible, .link-btn:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.link-btn { background: none; border: 0; color: var(--muted); font: inherit; font-size: 13px; cursor: pointer; justify-self: center; }
.link-btn:hover { color: var(--text); text-decoration: underline; }
.err { margin: 0; font-size: 13px; color: #fca5a5; }
.ok { margin: 0; font-size: 13px; color: #6ee7b7; }
.hint { margin: 0; font-size: 12.5px; color: var(--faint); text-align: center; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 26px 1fr; column-gap: 10px; font-size: 13px; color: var(--faint); counter-increment: s; }
.steps li::before { content: counter(s); grid-row: span 2; width: 24px; height: 24px; border-radius: 50%; border: 1px solid #33445f; display: grid; place-items: center; font-size: 12px; }
.steps li b { color: var(--muted); font-weight: 600; }
.steps li.on b { color: var(--text); }
.steps li.on::before { border-color: var(--blue); color: #fff; background: var(--blue); }
.steps li.done::before { content: "✓"; background: #10b981; border-color: #10b981; color: #fff; }
#setupFields { display: grid; gap: 14px; }
.demo-note { margin: 0; font-size: 12.5px; color: #f2c46d; text-align: center; }