/* ==========================================================================
   Made by Zyr — Preview Gate
   Visual language inherited from madebyzyr.com. Charcoal, blueprint texture,
   one soft light, white type, a single ember accent. See docs/DESIGN_GUIDE.md.
   ========================================================================== */

:root {
  /* Brand palette */
  --ink: #0D0D0D;
  --secondary: #1A1A1A;
  --paper: #F6F5F3;
  --ember: #C9744D;
  --ember-soft: #D68C6A;

  /* Derived surfaces / text (on charcoal) */
  --surface: #141414;
  --hairline: rgba(246, 245, 243, 0.10);
  --hairline-strong: rgba(246, 245, 243, 0.18);
  --text: rgba(246, 245, 243, 0.95);
  --text-muted: rgba(246, 245, 243, 0.56);
  --text-faint: rgba(246, 245, 243, 0.38);

  /* Type */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  background-color: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01";
}

::selection { background: var(--ember); color: var(--ink); }

/* ---------- Ambient backdrop ---------------------------------------------- */
.backdrop { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }

/* Subtle blueprint grid */
.backdrop__grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(to right, rgba(246, 245, 243, 0.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(246, 245, 243, 0.028) 1px, transparent 1px);
  background-size: 46px 46px;
  /* fade the grid toward the edges so it never feels like a hard table */
  -webkit-mask-image: radial-gradient(120% 90% at 50% 30%, #000 30%, transparent 100%);
  mask-image: radial-gradient(120% 90% at 50% 30%, #000 30%, transparent 100%);
}

/* One soft light — the single, deliberate radial (see DESIGN_GUIDE) */
.backdrop__light {
  position: absolute;
  left: 50%;
  top: -20%;
  width: 120vw;
  height: 90vh;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(201, 116, 77, 0.10), rgba(201, 116, 77, 0) 72%);
}

/* ---------- Stage --------------------------------------------------------- */
.stage {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 5vw, 3rem);
}

/* ---------- Card ---------------------------------------------------------- */
.card {
  width: 100%;
  max-width: 30rem;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 22px;
  padding: clamp(1.75rem, 5vw, 3rem);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.4),
    0 40px 80px -40px rgba(0, 0, 0, 0.7);
  /* reveal */
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
body[data-state="ready"] .card { opacity: 1; transform: none; }
body.is-leaving .card { opacity: 0; transform: translateY(-6px); }

.card__logo { display: block; height: 30px; width: auto; margin-bottom: 1.75rem; }

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ember);
}

.heading {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 7vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text);
}

.lede {
  margin: 0 0 2rem;
  max-width: 34ch;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* ---------- Project metadata --------------------------------------------- */
.meta {
  margin: 0 0 2rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  display: grid;
  gap: 0.85rem;
}
.meta__row { display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem; }
.meta__label {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.meta__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
  text-align: right;
}

/* Reserved slot for future sections; no visual footprint until populated */
.extensions:empty { display: none; }
.extensions { margin: 0 0 2rem; }

/* ---------- Form ---------------------------------------------------------- */
.form { display: grid; gap: 1rem; }

.field__label {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.field__control { position: relative; display: flex; align-items: center; }

.field__input {
  width: 100%;
  padding: 0.95rem 4.25rem 0.95rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text);
  background: rgba(246, 245, 243, 0.03);
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.field__input::placeholder { color: var(--text-faint); }
.field__input:hover { border-color: rgba(246, 245, 243, 0.28); }
.field__input:focus {
  outline: none;
  border-color: var(--ember);
  background: rgba(201, 116, 77, 0.06);
}

.field__toggle {
  position: absolute;
  right: 0.5rem;
  padding: 0.4rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: none;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.3s var(--ease);
}
.field__toggle:hover { color: var(--text); }

.field__error {
  margin: 0.15rem 0 0;
  min-height: 1.1em;
  font-size: 0.85rem;
  line-height: 1.3;
  color: var(--ember-soft);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.field--error .field__error { opacity: 1; }
.field--error .field__input { border-color: var(--ember); }
.field--error .field__input:not(:focus) { animation: shake 0.4s var(--ease); }

@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  30%, 70% { transform: translateX(3px); }
  50% { transform: translateX(-4px); }
}

/* ---------- Button -------------------------------------------------------- */
.btn {
  margin-top: 0.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.95rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--ember);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  transition: background-color 0.4s var(--ease), transform 0.4s var(--ease), opacity 0.3s var(--ease);
}
.btn:hover { background: var(--ember-soft); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn__arrow { transition: transform 0.4s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }
.btn[data-busy="true"] { opacity: 0.7; pointer-events: none; }

.btn__dots { display: none; align-items: center; gap: 4px; }
.btn__dots i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: 0.4; animation: dot 1.1s var(--ease) infinite; }
.btn__dots i:nth-child(2) { animation-delay: 0.14s; }
.btn__dots i:nth-child(3) { animation-delay: 0.28s; }
.btn[data-busy="true"] .btn__label,
.btn[data-busy="true"] .btn__arrow { display: none; }
.btn[data-busy="true"] .btn__dots { display: inline-flex; }

/* ---------- Crossfading card views --------------------------------------- */
.card__views { position: relative; }
.card__view { transition: opacity 0.35s var(--ease), transform 0.35s var(--ease); }
.card__view[hidden] { display: none; }
.card__view.is-out { opacity: 0; transform: translateY(-6px); pointer-events: none; }
.card__view.is-in-start { opacity: 0; transform: translateY(8px); }

/* ---------- Verification view -------------------------------------------- */
.verify { padding: 0.25rem 0; }
.verify__head { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1.5rem; }
.verify__check {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  color: var(--ember);
  background: rgba(201, 116, 77, 0.12);
  border: 1px solid rgba(201, 116, 77, 0.32);
}
.verify__check svg path { stroke-dasharray: 26; stroke-dashoffset: 26; transition: stroke-dashoffset 0.5s var(--ease) 0.1s; }
.verify__check.is-in svg path { stroke-dashoffset: 0; }
.verify__title {
  margin: 0;
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.4rem; letter-spacing: -0.02em; color: var(--text);
  opacity: 0; transform: translateY(6px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.verify__title.is-in { opacity: 1; transform: none; }

.verify__steps { list-style: none; margin: 0 0 1.25rem; padding: 0; display: grid; gap: 0.8rem; }
.verify__step { display: flex; align-items: center; gap: 0.65rem; font-size: 0.95rem; color: var(--text-muted);
  opacity: 0; transform: translateY(6px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease); }
.verify__step.is-in { opacity: 1; transform: none; }
.verify__step-check { display: inline-grid; place-items: center; width: 18px; height: 18px; color: var(--ember); flex: none; }

.verify__status { display: flex; align-items: center; gap: 0.5rem; margin: 0; min-height: 1.4em;
  font-size: 0.95rem; color: var(--text-faint);
  opacity: 0; transition: opacity 0.4s var(--ease); }
.verify__status.is-in { opacity: 1; }
.verify__label { transition: opacity 0.25s var(--ease); }

.verify__dots { display: inline-flex; align-items: center; gap: 5px; }
.verify__dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--ember); opacity: 0.3;
  animation: dot 1.2s var(--ease) infinite; }
.verify__dots i:nth-child(2) { animation-delay: 0.16s; }
.verify__dots i:nth-child(3) { animation-delay: 0.32s; }

@keyframes dot {
  0%, 100% { opacity: 0.25; transform: translateY(0); }
  50% { opacity: 0.9; transform: translateY(-2px); }
}

/* Blueprint breathes, very subtly, only while verifying */
body.is-verifying .backdrop__light { animation: lightBreathe 2.6s var(--ease) infinite; }
@keyframes lightBreathe { 0%, 100% { opacity: 1; } 50% { opacity: 0.72; } }

/* Page veil — calm fade to light before navigation */
.page-veil {
  position: fixed; inset: 0; z-index: 10;
  background: var(--paper);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.page-veil.is-visible { opacity: 1; }

/* ---------- Footer -------------------------------------------------------- */
.card__footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
}
.powered {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.7rem;
  font-size: 0.8rem;
  color: var(--text-faint);
}
.powered__mark { color: var(--text-muted); }
.powered__zyr { font-family: var(--font-serif); font-style: italic; }
.powered__link { color: var(--text-muted); text-decoration: none; transition: color 0.3s var(--ease); }
.powered__link:hover { color: var(--ember); }
.build {
  margin: 0.6rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  display: flex;
  gap: 0.5rem;
}
.build span[hidden] { display: none; }
.build span + span:not([hidden])::before { content: "·"; margin-right: 0.5rem; color: var(--text-faint); }

/* ---------- Config-error notice ------------------------------------------ */
.notice { width: 100%; max-width: 30rem; text-align: center; }
.notice__logo { height: 34px; width: auto; margin-bottom: 1.5rem; opacity: 0.9; }
.notice__heading {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 5vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--text);
}
.notice__copy { margin: 0 auto 1.5rem; max-width: 40ch; color: var(--text-muted); line-height: 1.6; }
.notice__link { color: var(--ember); text-decoration: none; }
.notice__link:hover { color: var(--ember-soft); }

/* ---------- State visibility --------------------------------------------- */
body[data-state="error"] .card { display: none; }
body[data-state="error"] .notice { display: block; }
/* while loading, keep the stage calm and empty (no flash of form) */
body[data-state="loading"] .card,
body[data-state="loading"] .notice { visibility: hidden; }

/* ---------- Focus + motion ------------------------------------------------ */
:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  .card { transition: opacity 0.3s ease; transform: none; }
  .field--error .field__input:not(:focus) { animation: none; }
  .btn:hover { transform: none; }
  .btn:hover .btn__arrow { transform: none; }

  /* Verification sequence: keep fades, drop motion + looping animations */
  .card__view,
  .verify__title,
  .verify__step { transition: opacity 0.3s ease; transform: none !important; }
  .card__view.is-out,
  .card__view.is-in-start,
  .verify__title,
  .verify__step { transform: none !important; }
  .btn__dots i,
  .verify__dots i,
  body.is-verifying .backdrop__light { animation: none; }
  .verify__dots i { opacity: 0.6; }
  .verify__check svg path { transition: none; stroke-dashoffset: 0; }
}