/* ============================================================================
   APRÓ Vitinn — passwordless login + portal (login.html, app.html)
   Dark theme matched to the info site: #101010 canvas, Source Serif 4 display,
   Manrope body, IBM Plex Mono, violet accent + lighthouse beam.
   ========================================================================== */

:root {
  --display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --canvas: #eef0f0;
  --surface: #ffffff;
  --surface-2: #f4f6f6;
  --navy: #092b3f;
  --line: rgba(9, 43, 63, 0.12);
  --line-strong: rgba(9, 43, 63, 0.22);

  --ink: #092b3f;
  --ink-soft: #3f5159;
  --ink-faint: #66767d;

  --violet: #50c19b;
  --violet-bright: #1f8765;
  --violet-deep: #50c19b;
  --on-violet: #092b3f;
  --error: #c0392b;

  --radius: 16px;
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--sans);
  color: var(--ink-soft);
  background:
    radial-gradient(900px 480px at 50% -8%, rgba(80, 193, 155, 0.12), transparent 70%),
    var(--canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}

.shell { width: 100%; max-width: 440px; display: flex; flex-direction: column; gap: 22px; }

/* Hero / brand */
.hero { position: relative; text-align: center; color: var(--ink); padding: 8px 0 4px; }
.beam { display: none; }
.mark {
  font-family: var(--display); font-weight: 800; font-size: 28px; margin: 0; letter-spacing: -0.03em;
  letter-spacing: -0.02em; color: var(--ink);
}
.mark.small { font-family: var(--mono); font-weight: 400; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; }
.brand-logo { height: 30px; width: auto; margin: 0 auto 18px; display: block; filter: brightness(0) saturate(0); opacity: 0.85; }
.tagline { color: var(--ink-faint); margin: 10px 0 0; font-size: 0.95rem; }

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(9,43,63,0.06), 0 24px 60px rgba(9,43,63,0.12);
  padding: 30px;
}
.card h1, .card h2 { margin: 0 0 4px; font-family: var(--display); font-weight: 800; letter-spacing: -0.03em; color: var(--ink); }
.card h1 { font-size: 26px; }
.card h2 { font-size: 23px; }

.topbar { display: flex; align-items: center; justify-content: space-between; color: var(--ink); }

.muted { color: var(--ink-soft); margin: 0 0 18px; }
.muted.small { font-size: 13px; margin-top: 18px; margin-bottom: 0; color: var(--ink-faint); }
.mono, code { font-family: var(--mono); font-size: 13px; color: var(--ink); }

label { display: block; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.02em; text-transform: uppercase; color: var(--ink-faint); margin: 16px 0 7px; }

input {
  width: 100%;
  padding: 13px 15px;
  font-size: 16px;
  font-family: var(--sans);
  color: var(--ink);
  background: #fbfcfc;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input::placeholder { color: var(--ink-faint); }
input:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(80,193,155,0.30); }

button { font: inherit; cursor: pointer; border: none; background: none; }
button.primary {
  width: 100%;
  margin-top: 20px;
  min-height: 48px;
  padding: 12px 16px;
  font-family: var(--sans);
  font-weight: 600;
  color: var(--on-violet);
  background: var(--violet-deep);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(9,43,63,0.12);
  transition: background 0.15s, transform 0.13s, opacity 0.15s;
}
button.primary:hover { background: var(--violet); transform: translateY(-1px); }
button.primary:active { transform: translateY(0); }
button.primary:disabled { opacity: 0.6; cursor: progress; transform: none; }

button.link { display: block; margin: 16px auto 0; color: var(--ink-faint); text-decoration: underline; font-size: 14px; transition: color 0.15s; }
button.link:hover { color: var(--ink-soft); }

:where(a, button, input):focus-visible { outline: 2px solid var(--violet-bright); outline-offset: 3px; }

.claims {
  display: grid; grid-template-columns: auto 1fr; gap: 9px 16px;
  margin: 24px 0 0; padding: 20px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px;
}
.claims dt { color: var(--ink-faint); font-family: var(--mono); font-size: 12px; font-weight: 500; }
.claims dd { margin: 0; font-size: 14px; color: var(--ink); word-break: break-all; }

.error {
  margin: 16px 0 0; padding: 11px 13px;
  background: rgba(192,57,43,0.08); border: 1px solid rgba(192,57,43,0.30);
  border-radius: 10px; color: var(--error); font-size: 14px;
}

.foot { text-align: center; color: var(--ink-faint); font-size: 13px; margin-top: 18px; padding-top: 22px; border-top: 1px solid var(--line); }
.foot a { color: var(--ink-faint); text-decoration: none; transition: color 0.15s; }
.foot a:hover { color: var(--ink-soft); }
.hidden { display: none; }