/* ============================================================
   auth.css — /signin and /signup
   Layers on top of styles.css (same tokens, same rhythm).
   ============================================================ */

body.auth-page { min-height: 100vh; display: flex; flex-direction: column; }

/* ---------- top bar ---------- */
.authbar { border-bottom: 1px solid var(--line); background: var(--ink); background: color-mix(in srgb, var(--ink) 80%, transparent); backdrop-filter: blur(10px); }
.authbar__in { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.authbar__alt { font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); display: flex; align-items: center; gap: 12px; }
.authbar__alt a { color: var(--signal); }

/* ---------- shell ---------- */
.auth { flex: 1; display: grid; grid-template-columns: 1.02fr .98fr; }
.auth__main {
  display: grid; place-items: center;
  padding: clamp(32px, 5vw, 64px) var(--gut);
}
.auth__aside {
  border-left: 1px solid var(--line);
  background:
    radial-gradient(70% 50% at 50% 0%, rgba(53,240,160,.09), transparent 70%),
    var(--ink-2);
  display: grid; align-content: center; justify-items: center; gap: 26px;
  padding: clamp(32px, 5vw, 64px) var(--gut);
  position: relative; overflow: hidden;
}
.auth__aside::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px, 32px 32px; opacity: .28;
  mask-image: radial-gradient(65% 60% at 50% 45%, #000, transparent 75%);
}
.auth__aside > * { position: relative; }

/* ---------- form card ---------- */
.auth__card { width: 100%; max-width: 452px; }
.auth__head { margin-bottom: 30px; }
.auth__head .h2 { margin-bottom: 12px; }
.auth__head p { color: var(--fg-2); margin: 0; font-size: 15px; }
.auth__head p a { color: var(--signal); }

/* ---------- fields ---------- */
.field { margin-bottom: 20px; }
.field__top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.field label {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-3);
}
.field__link { font-family: var(--mono); font-size: 11.5px; }
.field__wrap { position: relative; display: flex; align-items: center; }
.field input {
  width: 100%; background: var(--ink-2); color: var(--fg);
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 14px 15px; font-family: var(--mono); font-size: 14px;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.field input::placeholder { color: #69738D; }
.field input:hover { border-color: var(--line-2); }
.field input:focus {
  outline: none; border-color: var(--signal); background: #0C1017;
  box-shadow: 0 0 0 3px rgba(53,240,160,.12);
}
.field input[type="password"] { letter-spacing: 2px; }
.field__toggle {
  position: absolute; right: 6px; background: transparent; border: 1px solid transparent;
  color: var(--fg-3); font-family: var(--mono); font-size: 10.5px; padding: 6px 8px;
  border-radius: 3px; cursor: pointer; transition: .15s;
}
.field__toggle:hover { color: var(--signal); border-color: var(--line-2); }
.field__msg { font-family: var(--mono); font-size: 11.5px; margin: 8px 0 0; min-height: 15px; color: var(--fg-3); }

.field.is-bad input { border-color: #FF5F57; }
.field.is-bad input:focus { box-shadow: 0 0 0 3px rgba(255,95,87,.14); }
.field.is-bad .field__msg { color: #FF8A84; }
.field.is-good input { border-color: var(--signal-d); }
.field.is-good .field__msg { color: var(--signal); }

/* caps lock nudge */
.caps {
  display: none; align-items: center; gap: 7px; margin-top: 8px;
  font-family: var(--mono); font-size: 11px; color: var(--watt);
}
.caps.on { display: flex; }
.caps::before { content: ""; width: 8px; height: 8px; background: var(--watt); }

/* ---------- password strength ---------- */
.strength { margin: -6px 0 14px; }
.strength__bars { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin-bottom: 9px; }
.strength__bars i { height: 6px; background: var(--line); border: 1px solid var(--line-2); transition: background .2s; }
.strength[data-level="1"] i:nth-child(-n+1) { background: #FF5F57; }
.strength[data-level="2"] i:nth-child(-n+2) { background: #FF8A3D; }
.strength[data-level="3"] i:nth-child(-n+3) { background: var(--watt); }
.strength[data-level="4"] i:nth-child(-n+4) { background: var(--wire); }
.strength[data-level="5"] i { background: var(--signal); }
.strength__txt { font-family: var(--mono); font-size: 11.5px; color: var(--fg-3); margin: 0; }
.strength__txt b { color: var(--fg-2); font-weight: 500; }

.reqs { list-style: none; padding: 0; margin: 12px 0 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 14px; }
.reqs li {
  font-family: var(--mono); font-size: 11.5px; color: var(--fg-3);
  display: flex; align-items: center; gap: 8px; transition: color .2s;
}
.reqs li::before {
  content: ""; width: 10px; height: 10px; flex: none;
  border: 1px solid var(--line-2); background: transparent; transition: .2s;
}
.reqs li.ok { color: var(--signal); }
.reqs li.ok::before { background: var(--signal); border-color: var(--signal); }

/* ---------- checkbox ---------- */
.check { display: flex; align-items: flex-start; gap: 11px; margin-bottom: 22px; cursor: pointer; }
.check input { position: absolute; opacity: 0; width: 0; height: 0; }
.check__box {
  width: 18px; height: 18px; flex: none; margin-top: 2px;
  border: 1px solid var(--line-2); background: var(--ink-2); border-radius: 2px;
  display: grid; place-items: center; transition: .15s;
}
.check__box::after {
  content: ""; width: 8px; height: 8px; background: var(--ink); transform: scale(0); transition: transform .15s var(--ease);
  clip-path: polygon(0 40%, 20% 40%, 20% 60%, 40% 60%, 40% 80%, 80% 80%, 80% 60%, 100% 60%, 100% 20%, 80% 20%, 80% 40%, 60% 40%, 60% 60%, 40% 60%, 40% 40%, 20% 40%, 20% 20%, 0 20%);
}
.check input:checked + .check__box { background: var(--signal); border-color: var(--signal); }
.check input:checked + .check__box::after { transform: scale(1); }
.check input:focus-visible + .check__box { outline: 2px solid var(--signal); outline-offset: 3px; }
.check__txt { font-size: 13.5px; color: var(--fg-2); line-height: 1.55; }
.check.is-bad .check__box { border-color: #FF5F57; }

/* ---------- form alert ---------- */
.alert {
  display: none; align-items: flex-start; gap: 11px; margin-bottom: 20px;
  border: 1px solid #FF5F57; border-left-width: 3px; background: rgba(255,95,87,.07);
  border-radius: var(--r); padding: 13px 15px;
  font-family: var(--mono); font-size: 12.5px; color: #FF8A84;
}
.alert.on { display: flex; animation: rise .25s var(--ease); }

/* ---------- submit + spinner ---------- */
.btn--auth { width: 100%; padding: 16px; font-size: 14px; }
.spin { display: none; width: 12px; height: 12px; position: relative; }
.btn.is-busy .spin { display: block; }
.btn.is-busy .btn__label { opacity: .75; }
.spin::before {
  content: ""; position: absolute; inset: 0; background: currentColor;
  clip-path: polygon(0 0, 50% 0, 50% 50%, 0 50%);
  animation: spin 640ms steps(4) infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.auth__alt { margin-top: 22px; text-align: center; font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); }
.auth__alt a { color: var(--signal); }
.divider {
  display: flex; align-items: center; gap: 14px; margin: 26px 0;
  font-family: var(--mono); font-size: 11px; color: var(--fg-3); text-transform: uppercase; letter-spacing: .16em;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.legal { font-size: 12.5px; color: var(--fg-3); margin: 20px 0 0; line-height: 1.6; }

/* ---------- success takeover ---------- */
.done { display: none; text-align: center; }
.done.on { display: block; animation: rise .35s var(--ease); }
.done canvas { width: 96px; height: 96px; margin: 0 auto 22px; }
.done .h2 { margin-bottom: 14px; }
.done p { color: var(--fg-2); margin: 0 auto 24px; max-width: 42ch; }
.done code {
  font-family: var(--mono); font-size: 12.5px; color: var(--signal);
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 3px; padding: 3px 7px;
}

/* ---------- la API key, enseñada una sola vez ---------- */
/* Borde ambar, no verde: no es "todo bien", es "esto hay que hacerlo
   ahora o se pierde". El verde del sistema significa exito. */
.keyout {
  text-align: left; margin: 0 auto 24px; max-width: 42ch;
  border: 1px solid var(--watt); border-radius: 6px;
  background: color-mix(in srgb, var(--watt) 7%, transparent);
  padding: 14px 16px;
}
.keyout__t {
  font-family: var(--mono); font-size: 11px; letter-spacing: .02em;
  color: var(--watt) !important; margin: 0 0 10px !important; text-transform: uppercase;
}
.keyout__row { display: flex; align-items: center; gap: 10px; }
/* La key mide 40 caracteres y no se puede partir por la mitad sin que
   deje de ser copiable de un vistazo: scroll propio antes que desbordar
   la tarjeta o romper la palabra. */
.keyout__row code {
  flex: 1 1 auto; min-width: 0; overflow-x: auto; white-space: nowrap;
  padding: 7px 9px; scrollbar-width: thin;
}
.keyout__row .btn { flex: 0 0 auto; }
.keyout__n {
  font-size: 12px; color: var(--fg-3) !important;
  margin: 10px 0 0 !important; max-width: none !important;
}

@media (max-width: 420px) {
  .keyout__row { flex-wrap: wrap; }
  .keyout__row .btn { width: 100%; }
}

/* ---------- aside: mascot + bubble + props ---------- */
.mascot { display: grid; justify-items: center; gap: 16px; }
#mascotCv { width: 288px; height: 288px; }
.bubble {
  position: relative; max-width: 320px; text-align: center;
  background: var(--slate); border: 1px solid var(--line-2); border-radius: var(--r);
  padding: 13px 18px; font-family: var(--mono); font-size: 12.5px; color: var(--fg-2);
  min-height: 44px; display: grid; place-items: center;
}
.bubble::after {
  content: ""; position: absolute; top: -7px; left: 50%; margin-left: -6px;
  width: 12px; height: 6px; background: var(--slate);
  border-left: 1px solid var(--line-2); border-right: 1px solid var(--line-2);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}
.bubble b { color: var(--signal); font-weight: 500; }

.props { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; max-width: 340px; width: 100%; }
.props li {
  display: flex; align-items: center; gap: 13px;
  background: var(--slate); border: 1px solid var(--line); border-radius: var(--r); padding: 13px 15px;
}
.props canvas { width: 32px; height: 32px; flex: none; }
.props span { font-size: 13.5px; color: var(--fg-2); }
.props b { color: var(--fg); font-weight: 600; display: block; font-size: 13.5px; }
.props em { font-style: normal; color: var(--fg-3); font-family: var(--mono); font-size: 11.5px; }

/* ---------- foot ---------- */
.authfoot {
  border-top: 1px solid var(--line); background: var(--ink-2);
  padding: 18px 0; font-family: var(--mono); font-size: 11.5px; color: var(--fg-3);
}
.authfoot__in { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.authfoot a { color: var(--fg-3); }
.authfoot a:hover { color: var(--signal); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 940px) {
  .auth { grid-template-columns: 1fr; }
  .auth__aside {
    border-left: 0; border-bottom: 1px solid var(--line);
    order: -1; padding: 28px var(--gut) 32px; gap: 18px;
  }
  #mascotCv { width: 192px; height: 192px; }
  .props { display: none; }
  .auth__main { padding-top: 34px; }
}

@media (max-width: 560px) {
  .reqs { grid-template-columns: 1fr; }
  .authbar__alt span { display: none; }
  .authfoot__in { flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  .spin::before { animation: none; }
}