/* ==========================================================================
   AI Prompt Box — styles.css
   Concept: "console / compiler". Light paper canvas, indigo→cyan signal.
   Mobile-first. Logical properties for free RTL. AA contrast. CWV-friendly.
   ========================================================================== */

:root {
  /* Palette */
  --canvas: #FAFAF7;
  --surface: #FFFFFF;
  --ink: #14131A;
  --muted: #5B5966;
  --line: #E7E5DE;
  --accent: #4F46E5;   /* indigo */
  --accent-2: #06B6D4; /* cyan   */
  --accent-ink: #3730A3;
  --danger: #B91C1C;
  --signal: linear-gradient(90deg, var(--accent), var(--accent-2));

  /* Type */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  /* Scale */
  --step--1: clamp(.78rem, .76rem + .1vw, .85rem);
  --step-0: clamp(1rem, .97rem + .15vw, 1.08rem);
  --step-1: clamp(1.2rem, 1.12rem + .4vw, 1.4rem);
  --step-2: clamp(1.5rem, 1.35rem + .75vw, 2rem);
  --step-3: clamp(2rem, 1.6rem + 2vw, 3.25rem);

  /* Space + shape */
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(20,19,26,.06), 0 12px 30px -12px rgba(20,19,26,.18);
  --ring: 0 0 0 3px rgba(79,70,229,.35);
  --maxw: 1180px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; font-weight: 600; margin: 0; }

a { color: var(--accent-ink); text-underline-offset: 2px; }

img { max-width: 100%; height: auto; display: block; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 18px; }

.skip {
  position: absolute; inset-inline-start: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 100;
}
.skip:focus { inset-inline-start: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--canvas) 86%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-block-end: 1px solid var(--line);
}
.site-header__in { display: flex; align-items: center; gap: 16px; min-height: 58px; }
.brand {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-1);
  color: var(--ink); text-decoration: none; letter-spacing: -.01em;
}
.brand__mark {
  width: 26px; height: 26px; border-radius: 7px; background: var(--signal);
  display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 700;
  box-shadow: var(--shadow);
}
.nav { display: none; gap: 18px; margin-inline-start: auto; }
.nav a { color: var(--muted); text-decoration: none; font-size: var(--step--1); font-weight: 500; }
.nav a:hover { color: var(--ink); }
.langsel {
  margin-inline-start: auto;
  font: inherit; font-size: var(--step--1);
  padding: 7px 10px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--ink); cursor: pointer;
}
.nav + .langsel { margin-inline-start: 0; }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(34px, 6vw, 70px) clamp(20px, 3vw, 34px); text-align: center; }
.eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: var(--step--1);
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  padding: 5px 11px; border-radius: 999px; margin-block-end: 16px;
}
.hero h1 { font-size: var(--step-3); letter-spacing: -.02em; max-width: 16ch; margin-inline: auto; }
.hero h1 .grad {
  background: var(--signal); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { color: var(--muted); font-size: var(--step-1); max-width: 54ch; margin: 16px auto 0; }
/* Supported-AI strip: localized label + every model the generator targets */
.hero__ais { margin: clamp(20px, 3.2vw, 30px) auto 0; max-width: 64ch; }
.hero__ais-label {
  display: block; font-family: var(--font-mono); font-size: var(--step--1);
  letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  margin-block-end: 10px;
}
.hero__ais-names {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; row-gap: 4px;
  color: var(--ink); font-size: var(--step--1); font-weight: 500;
}
.hero__ais-names .ai { white-space: nowrap; }
.hero__ais-names .ai:not(:last-child)::after {
  content: "·"; padding-inline: 7px;
  color: color-mix(in srgb, var(--accent) 50%, transparent);
}

/* ---------- Layout ---------- */
.layout { display: grid; gap: 26px; padding-block-end: 40px; }
.aside { display: none; }

/* ---------- Generator ---------- */
.generator {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: clamp(18px, 3vw, 30px);
}
.field { margin-block-end: 18px; }
.field__label {
  display: block; font-weight: 600; font-size: var(--step--1);
  letter-spacing: .02em; margin-block-end: 8px; color: var(--ink);
}
.field__labelrow { display: flex; align-items: center; gap: 6px; margin-block-end: 8px; }
.field__labelrow .field__label { margin-block-end: 0; }

/* Help tooltip "?" next to a selector label */
.hint {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%; flex: 0 0 auto;
  font-size: 11px; font-weight: 700; line-height: 1; cursor: help;
  color: var(--accent-ink); background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  position: relative; user-select: none;
}
.hint:hover, .hint:focus-visible { background: color-mix(in srgb, var(--accent) 20%, transparent); }
.hint[data-tip]::after {
  content: attr(data-tip); position: absolute; inset-block-end: calc(100% + 8px); inset-inline-start: 50%;
  transform: translateX(-50%); width: max-content; max-width: 240px;
  background: var(--ink); color: #fff; font-size: var(--step--1); font-weight: 400; line-height: 1.35;
  text-align: start; padding: 8px 10px; border-radius: 8px; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transition: opacity .12s; z-index: 30; pointer-events: none;
}
[dir="rtl"] .hint[data-tip]::after { transform: translateX(50%); }
.hint:hover::after, .hint:focus-visible::after { opacity: 1; visibility: visible; }

.seg { display: flex; flex-wrap: wrap; gap: 8px; }
.seg__btn {
  flex: 1 1 auto; min-width: 84px;
  font: inherit; font-weight: 600; font-size: var(--step--1);
  padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--canvas); color: var(--muted); cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.seg__btn:hover { color: var(--ink); }
.seg__btn[aria-pressed="true"] {
  background: var(--ink); color: #fff; border-color: var(--ink);
}
.input, .select, .textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px;
}
.textarea { min-height: 128px; resize: vertical; line-height: 1.55; }
.select { appearance: none; cursor: pointer; padding-inline-end: 38px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235B5966' stroke-width='2.2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
[dir="rtl"] .select { background-position: left 12px center; }
.row { display: grid; gap: 14px; }
@media (min-width: 560px) { .row { grid-template-columns: 1fr 1fr; } }

.field__error { color: var(--danger); font-size: var(--step--1); margin-block-start: 6px; min-height: 1.2em; }

/* Generate button + compile bar (signature) */
.gen-action { position: relative; }
.btn-generate {
  width: 100%; font-family: var(--font-display); font-weight: 600; font-size: var(--step-1);
  color: #fff; background: var(--ink); border: 0; border-radius: var(--radius-sm);
  padding: 16px 20px; cursor: pointer; letter-spacing: -.01em;
  transition: transform .08s, filter .15s; overflow: hidden;
}
.btn-generate:hover { filter: brightness(1.12); }
.btn-generate:active { transform: translateY(1px); }
.btn-generate:disabled { cursor: progress; opacity: .9; }
.btn-generate.is-busy { color: transparent; background: var(--ink); }

.compilebar {
  position: absolute; inset-block-end: 0; inset-inline: 0; height: 100%;
  display: grid; place-items: center; pointer-events: none;
  font-family: var(--font-mono); font-size: var(--step--1); color: #fff;
}
.compilebar__txt { position: relative; z-index: 2; }
.compilebar__fill {
  position: absolute; inset-block: 0; inset-inline-start: 0; width: 0;
  background: var(--signal); z-index: 1;
}
.is-compiling .compilebar__fill { width: 100%; transition: width 1.5s linear; }

/* ---------- Ad slots ---------- */
.ad {
  display: grid; place-items: center; margin-inline: auto;
  background: color-mix(in srgb, var(--ink) 3%, var(--canvas));
  border: 1px dashed var(--line); border-radius: var(--radius-sm);
  color: var(--muted); position: relative; overflow: hidden;
}
.ad::before {
  content: attr(data-label); position: absolute; inset-block-start: 6px; inset-inline-start: 10px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 80%, transparent);
}
.ad--leaderboard { min-height: 100px; max-width: 728px; margin-block: 14px; }
.ad--rect { min-height: 280px; max-width: 336px; margin-block: 22px; }
.ad--skyscraper { min-height: 600px; width: 300px; }
.ad--footer { min-height: 100px; max-width: 728px; margin-block: 22px; }
.ad .adsbygoogle { display: block; }

/* ---------- Result ---------- */
.result { margin-block-start: 4px; }
.result[hidden] { display: none; }
.result__head { display: flex; align-items: center; gap: 12px; margin-block-end: 10px; }
.result__title { font-size: var(--step-1); }
.result__copy {
  margin-inline-start: auto; font: inherit; font-weight: 600; font-size: var(--step--1);
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: var(--radius-sm);
  background: var(--accent); color: #fff; border: 0; cursor: pointer;
}
.result__copy:hover { filter: brightness(1.08); }
.result__copy.is-done { background: #15803D; }
.result__panel {
  background: var(--ink); color: #F3F2EF; border-radius: var(--radius);
  padding: 18px 18px; box-shadow: var(--shadow);
  font-family: var(--font-mono); font-size: var(--step--1); line-height: 1.6;
  white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; margin: 0;
}
.affiliate { margin-block-start: 14px; }
.affiliate a {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--step--1); font-weight: 600; text-decoration: none;
  color: var(--accent-ink); background: color-mix(in srgb, var(--accent) 9%, transparent);
  padding: 9px 14px; border-radius: 999px;
}
.affiliate a:hover { background: color-mix(in srgb, var(--accent) 16%, transparent); }
.affiliate[hidden] { display: none; }

/* ---------- Guide ---------- */
.section { padding-block: clamp(28px, 5vw, 52px); }
.section__title { font-size: var(--step-2); letter-spacing: -.01em; margin-block-end: 6px; }
.section__lead { color: var(--muted); max-width: 60ch; margin-block-end: 24px; }
.tips { display: grid; gap: 16px; }
@media (min-width: 620px) { .tips { grid-template-columns: 1fr 1fr; } }
.tip {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; position: relative;
}
.tip__n {
  font-family: var(--font-mono); font-size: var(--step--1); color: var(--accent-ink);
  font-weight: 700; letter-spacing: .05em;
}
.tip h3 { font-size: var(--step-1); margin-block: 8px 6px; }
.tip p { color: var(--muted); margin: 0; }

/* ---------- Related ---------- */
.related-grid { display: grid; gap: 14px; }
@media (min-width: 620px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }
.rel {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; transition: border-color .15s, transform .12s;
}
.rel:hover { border-color: var(--accent); transform: translateY(-2px); }
.rel strong { display: block; font-family: var(--font-display); font-size: var(--step-1); }
.rel span { color: var(--muted); font-size: var(--step--1); }

/* Related tools grouped by content type */
.related-groups { display: grid; gap: 28px; }
.related-group__title {
  font-size: var(--step-1); margin-block-end: 14px;
  padding-block-end: 8px; border-block-end: 1px solid var(--line);
}

/* ---------- Footer ---------- */
.site-footer { border-block-start: 1px solid var(--line); background: var(--surface); }
.site-footer__in { display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; padding-block: 26px; }
.site-footer a { color: var(--muted); text-decoration: none; font-size: var(--step--1); }
.site-footer a:hover { color: var(--ink); }
.site-footer__copy { color: var(--muted); font-size: var(--step--1); margin-inline-end: auto; }

/* ---------- Cookie banner ---------- */
.cookie {
  position: fixed; inset-inline: 14px; inset-block-end: 14px; z-index: 60;
  max-width: 560px; margin-inline: auto;
  background: var(--ink); color: #F3F2EF; border-radius: var(--radius);
  box-shadow: 0 20px 50px -16px rgba(0,0,0,.5); padding: 18px 20px;
}
.cookie[hidden] { display: none; }
.cookie p { margin: 0 0 14px; font-size: var(--step--1); }
.cookie a { color: #C7D2FE; }
.cookie__btns { display: flex; flex-wrap: wrap; gap: 10px; }
.cookie__btn {
  font: inherit; font-weight: 600; font-size: var(--step--1);
  padding: 10px 16px; border-radius: var(--radius-sm); cursor: pointer; border: 0;
}
.cookie__btn--accept { background: var(--signal); color: #fff; }
.cookie__btn--reject { background: transparent; color: #F3F2EF; border: 1px solid rgba(255,255,255,.3); }

/* ---------- Legal pages ---------- */
.legal { max-width: 760px; margin-inline: auto; padding-block: clamp(28px, 5vw, 56px); }
.legal h1 { font-size: var(--step-2); margin-block-end: 6px; }
.legal__updated { color: var(--muted); font-size: var(--step--1); margin-block-end: 26px; }
.legal h2 { font-size: var(--step-1); margin-block: 26px 8px; }
.legal p, .legal li { color: #2A2933; }
.legal ul { padding-inline-start: 22px; }

/* ---------- Desktop layout: main + right rail ---------- */
@media (min-width: 1000px) {
  .nav { display: flex; }
  .langsel { margin-inline-start: 0; }
  .layout { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; }
  .aside { display: block; position: sticky; top: 78px; }
}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .is-compiling .compilebar__fill { transition: none; width: 100%; }
}