/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #f6f7fb;
  --bg-soft: #ffffff;
  --bg-raised: #ffffff;
  --text: #14171f;
  --text-muted: #565b6b;
  --border: #dfe2ea;
  --border-soft: #ebedf3;
  --accent: #3457d5;
  --accent-ink: #ffffff;
  --accent-soft: #e8edff;
  --ok: #1a8a53;
  --ok-soft: #e4f6ec;
  --warn: #b5790a;
  --warn-soft: #fbeecf;
  --danger: #c22b3c;
  --danger-soft: #fbe4e7;
  --shadow-sm: 0 1px 2px rgba(20, 23, 31, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 23, 31, 0.08);
  --shadow-lg: 0 20px 48px rgba(20, 23, 31, 0.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --container: 1080px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --brand-primary: #2450d8;
  --brand-primary-deep: #183bb2;
  --brand-violet: #6656dc;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101219;
    --bg-soft: #171a24;
    --bg-raised: #1c1f2b;
    --text: #eef0f6;
    --text-muted: #9aa0b4;
    --border: #2b2f3d;
    --border-soft: #23262f;
    --accent: #6d87ff;
    --accent-ink: #0d1020;
    --accent-soft: #232a4d;
    --ok: #45c586;
    --ok-soft: #143324;
    --warn: #e0a836;
    --warn-soft: #3a2c0e;
    --danger: #ef6273;
    --danger-soft: #3a1a20;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101219;
  --bg-soft: #171a24;
  --bg-raised: #1c1f2b;
  --text: #eef0f6;
  --text-muted: #9aa0b4;
  --border: #2b2f3d;
  --border-soft: #23262f;
  --accent: #6d87ff;
  --accent-ink: #0d1020;
  --accent-soft: #232a4d;
  --ok: #45c586;
  --ok-soft: #143324;
  --warn: #e0a836;
  --warn-soft: #3a2c0e;
  --danger: #ef6273;
  --danger-soft: #3a1a20;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
}
:root[data-theme="light"] { color-scheme: light; }

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; overflow-x: clip; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; letter-spacing: -0.01em; }
ul, ol { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* =============================================================
   3. Utilities
   ============================================================= */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 1.25rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 1rem; padding: .6rem 1rem;
  background: var(--accent); color: var(--accent-ink); z-index: 9999;
  border-radius: 8px; font-weight: 600; transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .8rem; font-weight: 600; letter-spacing: .02em;
  color: var(--accent); text-transform: uppercase;
}

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(1.9rem, 4.4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }
.lede { color: var(--text-muted); font-size: clamp(1rem, 1.4vw, 1.15rem); max-width: 60ch; }

/* =============================================================
   5. Components
   ============================================================= */

/* --- buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.4rem; border-radius: var(--radius-sm);
  font-weight: 600; font-size: .95rem; transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-ghost { background: var(--bg-soft); border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: .5rem .9rem; font-size: .85rem; }
.btn-block { width: 100%; }

/* --- header / nav --- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .9rem; }
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.1rem; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--accent);
  color: var(--accent-ink); display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 800; flex-shrink: 0;
}
.main-nav { display: flex; align-items: center; gap: 1.4rem; }
.main-nav a { font-size: .9rem; font-weight: 600; color: var(--text-muted); transition: color .2s var(--ease-out); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--accent); }
.main-nav a[aria-current="page"] { color: var(--text); }
.theme-toggle {
  display: inline-grid; place-items: center; flex: 0 0 auto;
  width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 12px;
  background: var(--bg-raised); color: var(--text); box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease-out), border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.theme-toggle:hover { transform: translateY(-1px); border-color: var(--accent); background: var(--accent-soft); }
.theme-toggle svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
}

/* --- hero --- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding-block: clamp(3rem, 7vw, 5.5rem) 2.5rem;
  background:
    radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--accent-soft) 85%, transparent), transparent 62%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-soft) 68%, transparent), transparent 82%);
}
.hero::before, .hero::after {
  content: ""; position: absolute; z-index: -1; width: 20rem; aspect-ratio: 1;
  border-radius: 50%; filter: blur(70px); opacity: .2; pointer-events: none;
}
.hero::before { background: #768cff; top: 5rem; left: -14rem; }
.hero::after { background: #9b8bff; top: 2rem; right: -14rem; }
.hero > .container { max-width: 980px; }
.hero > .container > .hero-badge { display: flex; width: fit-content; margin-inline: auto; }
.hero > .container > h1 { display: flex; margin-inline: auto; text-align: center; }
.hero > .container > .lede { margin-inline: auto; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .4rem; margin-bottom: 1rem;
  padding: .35rem .75rem; border-radius: 999px; background: var(--accent-soft);
  color: var(--accent); font-size: .8rem; font-weight: 700;
}
.hero-badge-dot { width: .45rem; height: .45rem; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 16%, transparent); }
.hero h1 { justify-content: center; max-width: 850px; margin-bottom: .85rem; font-size: clamp(2.3rem, 5.3vw, 4rem); letter-spacing: -.055em; line-height: 1.04; }
.hero h1 span { margin-left: .24em; color: var(--brand-primary); background: linear-gradient(105deg, var(--brand-primary), var(--brand-violet)); background-clip: text; -webkit-text-fill-color: transparent; }
.hero .lede { display: block !important; max-width: 62ch; margin-bottom: 1.5rem; font-size: clamp(1rem, 1.6vw, 1.15rem); }
.trust-points { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: .65rem; margin: 1.5rem auto 1.25rem; }
.trust-points > span { display: inline-flex; align-items: center; gap: .45rem; padding: .5rem .75rem; border: 1px solid var(--border-soft); border-radius: 999px; background: color-mix(in srgb, var(--bg-raised) 88%, transparent); box-shadow: var(--shadow-sm); color: var(--text-muted); font-size: .78rem; font-weight: 600; }
.trust-points svg { width: 16px; height: 16px; fill: none; stroke: var(--ok); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }

/* --- tool card --- */
.tool-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 24px; box-shadow: 0 24px 70px color-mix(in srgb, var(--accent) 10%, transparent), var(--shadow-md);
  padding: clamp(1.1rem, 3vw, 1.75rem);
}
.tool-tabs { display: flex; gap: .5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tool-tab {
  padding: .5rem .9rem; border-radius: 999px; font-size: .85rem; font-weight: 600;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-muted);
}
.tool-tab[aria-selected="true"] { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .5rem; text-align: center; padding: clamp(1.5rem, 5vw, 2.5rem) 1rem;
  border: 2px dashed color-mix(in srgb, var(--accent) 35%, var(--border)); border-radius: var(--radius-md);
  background: var(--bg-soft); cursor: pointer; transition: border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.dropzone:hover, .dropzone.is-dragover { border-color: var(--accent); background: var(--accent-soft); }
.dropzone svg { width: 34px; height: 34px; color: var(--accent); }
.dropzone strong { font-size: 1rem; }
.dropzone span { color: var(--text-muted); font-size: .85rem; }
.dropzone input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; }

textarea.text-input {
  width: 100%; min-height: 250px; resize: vertical; padding: 1.15rem;
  border-radius: var(--radius-md); border: 1px solid var(--border-soft);
  background: var(--bg); color: var(--text); font-family: var(--sans); font-size: .97rem; line-height: 1.75;
}
textarea.text-input:focus-visible { border-color: var(--accent); outline: 3px solid color-mix(in srgb, var(--accent) 16%, transparent); outline-offset: 1px; }
.input-meta { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: .7rem; font-size: .8rem; color: var(--text-muted); }
.word-count-badge { flex: 0 0 auto; padding: .28rem .6rem; border-radius: 8px; background: var(--accent-soft); color: var(--accent); font-family: var(--mono); font-size: .75rem; font-weight: 700; }
.word-count-hint { text-align: right; }

.tool-actions { display: flex; gap: .7rem; margin-top: 1.1rem; flex-wrap: wrap; align-items: center; }
.file-chip {
  display: none; align-items: center; gap: .5rem; padding: .4rem .7rem;
  border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--border); font-size: .82rem;
}
.file-chip.is-visible { display: inline-flex; }
.file-chip button { color: var(--text-muted); font-weight: 700; }

/* --- rewrite comparison (client-side only) --- */
.rewrite-comparator { margin-top: 1.5rem; }
.rewrite-comparator h2, .rewrite-comparator h3 { margin-bottom: .65rem; }
.rewrite-input-grid, .rewrite-summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.rewrite-input-grid label { display: grid; gap: .45rem; font-weight: 600; }
.rewrite-input-grid textarea { min-height: 180px; }
.passport-editor { margin-top: 1.5rem; }
.passport-editor > label[for="passport-draft"] { display: block; margin: 1rem 0 .45rem; font-weight: 700; }
.passport-privacy-note { padding: .9rem 1rem; margin-block: 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-soft); font-size: .88rem; line-height: 1.55; }
.passport-consent { display: flex; align-items: flex-start; gap: .65rem; margin-block: 1rem; font-weight: 600; }
.passport-consent input { width: 1.1rem; height: 1.1rem; margin-top: .15rem; flex: 0 0 auto; accent-color: var(--accent); }
.passport-draft { min-height: 250px; }
.passport-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: .8rem; }
.passport-status { min-height: 1.5em; margin-top: .85rem; color: var(--text-muted); }
.passport-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .7rem; margin-top: 1rem; }
.passport-summary > div { min-width: 0; padding: .75rem; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: var(--bg-soft); }
.passport-summary dt { color: var(--text-muted); font-size: .8rem; }
.passport-summary dd { margin: .2rem 0 0; font-weight: 700; overflow-wrap: anywhere; }
.passport-footnote { margin-top: .8rem; color: var(--text-muted); font-size: .82rem; }
@media (max-width: 719px) { .passport-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); } .passport-actions > button { flex: 1 1 100%; } }
.rewrite-results { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--border-soft); }
.rewrite-semantic-note, .rewrite-limitations, .rewrite-error { color: var(--text-muted); }
.rewrite-error { color: var(--danger); }
.rewrite-summary-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-block: 1rem 1.5rem; }
.rewrite-summary-grid p { display: grid; gap: .25rem; padding: .75rem; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-soft); }
.rewrite-summary-grid strong { font-size: 1.1rem; }
.rewrite-summary-grid span { color: var(--text-muted); font-size: .8rem; }
.rewrite-legend { display: flex; gap: .75rem; flex-wrap: wrap; color: var(--text-muted); font-size: .82rem; }
.rewrite-legend .green, .rewrite-row.green { border-inline-start-color: #16834b; }
.rewrite-legend .yellow, .rewrite-row.yellow { border-inline-start-color: #a66a00; }
.rewrite-legend .red, .rewrite-row.red { border-inline-start-color: #b42335; }
.rewrite-legend span { border-inline-start: 4px solid; padding-inline-start: .45rem; }
.rewrite-rows { display: grid; gap: .7rem; margin-top: .8rem; }
.rewrite-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem 1rem; padding: .85rem; border: 1px solid var(--border); border-inline-start: 5px solid; border-radius: var(--radius-md); background: var(--bg-soft); }
.rewrite-row h4 { font-size: .78rem; color: var(--text-muted); margin-bottom: .25rem; }
.rewrite-row p { overflow-wrap: anywhere; }
.rewrite-row-reason { grid-column: 1 / -1; font-size: .83rem; color: var(--text-muted); }
.human-review-notice { margin-top: 1rem; font-weight: 600; }
@media (max-width: 719px) { .rewrite-input-grid, .rewrite-row { grid-template-columns: 1fr; } .rewrite-row-reason { grid-column: auto; } }

/* tool card states */
.tool-card[data-state="idle"] .tc-progress,
.tool-card[data-state="idle"] .tc-result,
.tool-card[data-state="idle"] .tc-error,
.tool-card[data-state="loading"] .tc-result,
.tool-card[data-state="loading"] .tc-error,
.tool-card[data-state="done"] .tc-progress,
.tool-card[data-state="done"] .tc-error,
.tool-card[data-state="error"] .tc-progress,
.tool-card[data-state="error"] .tc-result {
  display: none;
}

.tc-progress { margin-top: 1.25rem; }
.progress-track { height: 8px; border-radius: 999px; background: var(--border-soft); overflow: hidden; }
.progress-fill { height: 100%; width: 30%; background: var(--accent); border-radius: 999px; animation: progressPulse 1.3s ease-in-out infinite; }
@keyframes progressPulse { 0% { transform: translateX(-100%); } 100% { transform: translateX(340%); } }
.progress-label { margin-top: .6rem; font-size: .85rem; color: var(--text-muted); }

.tc-error {
  margin-top: 1.25rem; padding: 1rem 1.1rem; border-radius: var(--radius-md);
  background: var(--danger-soft); color: var(--danger); font-size: .9rem; display: flex; gap: .6rem; align-items: flex-start;
}

/* --- result / meter --- */
.tc-result { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-soft); }
.result-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.result-actions { display: flex; flex-wrap: wrap; gap: .55rem; }
.result-heading { display: grid; gap: .25rem; }
.result-status { display: inline-flex; align-items: center; gap: .45rem; color: var(--ok); font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.result-status::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 3px var(--ok-soft); }
.result-title { font-size: clamp(1.45rem, 3vw, 2rem); line-height: 1.15; letter-spacing: -.025em; }
.result-verdict { display: inline-flex; align-self: flex-start; margin-top: .8rem; padding: .42rem .75rem; border-radius: 999px; background: var(--ok-soft); color: var(--ok); font-size: .8rem; font-weight: 750; }
.result-verdict[data-level="low"] { background: var(--ok-soft); color: var(--ok); }
.result-verdict[data-level="medium"] { background: var(--warn-soft); color: var(--warn); }
.result-verdict[data-level="high"] { background: var(--danger-soft); color: var(--danger); }
.result-overview { display: grid; grid-template-columns: minmax(220px,.8fr) minmax(0,1.65fr); gap: 1rem; margin: 1rem 0; }
.result-score-card, .result-indicators-card, .result-signals-card {
  min-width: 0; padding: 1rem; border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--bg-raised); box-shadow: var(--shadow-sm);
}
.result-score-card { display: flex; flex-direction: column; align-items: center; text-align: center; justify-content: center; }
.result-score-card .confidence-badge { margin: 0 0 .4rem; }
.result-score-card .gauge-wrap { flex-direction: row; justify-content: flex-start; gap: 1.25rem; width: 100%; margin: .45rem 0 0; }
.result-score-card .gauge { width: 112px; height: 112px; }
.result-score-card .gauge-note { min-width: 0; max-width: 68ch; font-size: .84rem; text-align: left; }
.result-score-card .gauge-wrap { align-items: center; }
.result-score-card .result-verdict { align-self: center; }
.result-subheading { font-size: .78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .75rem; }
.result-indicators-card .result-subheading, .result-signals-card .result-subheading { color: var(--text); font-size: .95rem; font-weight: 750; letter-spacing: 0; text-transform: none; margin-bottom: .35rem; }
.result-indicators-card .metric-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: .65rem; margin: 0; }
.result-indicators-card .metric-row { min-width: 0; display: grid; align-content: start; gap: .4rem; padding: .75rem; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: var(--bg); }
.metric-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: .35rem; }
.result-indicators-card .metric-row .metric-label { font-size: .76rem; line-height: 1.3; }
.result-indicators-card .metric-row .metric-value { font-size: 1.05rem; color: var(--text); }
.metric-tag { display: inline-block; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: .16rem .42rem; font-size: .62rem; font-weight: 700; white-space: nowrap; }
.metric-description { min-height: 2.6em; font-size: .69rem; line-height: 1.4; color: var(--text-muted); }
.result-indicators-card .metric-bar-track { height: 4px; }
.result-signals-card { margin: .8rem 0 1rem; }
.result-signals-card .signal-list { grid-template-columns: 1fr; gap: .5rem; margin: 0; }

.confidence-badge {
  display: inline-flex; align-items: center; gap: .35rem; margin-bottom: 1rem;
  padding: .3rem .65rem; border-radius: 999px; font-size: .76rem; font-weight: 700;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-muted);
}
.confidence-badge[data-level="high"] { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.confidence-badge[data-level="mid"] { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.confidence-badge[data-level="low"] { background: var(--warn-soft); color: var(--warn); border-color: transparent; }

.segments-wrap { margin: 1rem 0 1.3rem; padding: 1.15rem; border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--bg-raised); }
.segments-title { font-size: .95rem; margin-bottom: .3rem; }
.segments-note { font-size: .82rem; color: var(--text-muted); margin-bottom: .8rem; }
.segment-list { display: grid; grid-template-columns: repeat(auto-fit,minmax(170px,1fr)); gap: .55rem; }
.segment-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(90px,140px) 40px; gap: .6rem; align-items: center; padding: .6rem .7rem; border: 1px solid var(--border-soft); border-inline-start: 3px solid var(--accent); border-radius: var(--radius-sm); background: var(--bg-soft); }
.segment-row.level-high { border-inline-start-color: var(--danger); }
.segment-row.level-medium { border-inline-start-color: var(--warn); }
.segment-row.level-low { border-inline-start-color: var(--ok); }
.segment-row .metric-bar-track { grid-column: 1 / -1; grid-row: 2; }
.segment-label { font-size: .82rem; font-weight: 600; }
.segment-label small { font-weight: 500; color: var(--text-muted); }
.segment-score { grid-column: 2; grid-row: 1; font-size: .8rem; color: var(--text-muted); text-align: right; }
.copy-summary-status { min-height: 1.25rem; color: var(--text-muted); font-size: .78rem; }
.session-accuracy-warning { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem .7rem; margin: .8rem 0; padding: .8rem .95rem; border: 1px solid color-mix(in srgb,var(--warn) 35%,transparent); border-radius: var(--radius-sm); background: var(--warn-soft); color: var(--text); font-size: .82rem; line-height: 1.45; }
.session-accuracy-warning[hidden] { display: none; }
.session-accuracy-warning strong { color: var(--warn); }
.session-accuracy-warning span { flex: 1 1 360px; color: var(--text-muted); }
.session-warning-link { padding: 0; border: 0; background: transparent; color: var(--accent); font: inherit; font-weight: 750; text-decoration: underline; cursor: pointer; }
.text-highlights-wrap { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--border-soft); }
.text-highlights-wrap[hidden] { display: none; }
.text-highlights { max-height: 430px; overflow: auto; padding: 1rem; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: var(--bg); font-size: .9rem; line-height: 1.85; white-space: pre-wrap; overflow-wrap: anywhere; }
.text-fragment-mark { color: var(--text); padding: .08rem .12rem; border-radius: 3px; text-decoration-line: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
.text-fragment-mark.level-high { background: var(--danger-soft); text-decoration-color: var(--danger); }
.text-fragment-mark.level-medium { background: var(--warn-soft); text-decoration-color: var(--warn); }
.text-fragment-mark.level-low { background: var(--ok-soft); text-decoration-color: var(--ok); }
.text-highlight-legend { display: flex; flex-wrap: wrap; gap: .5rem 1rem; list-style: none; padding: 0; margin: .75rem 0 0; color: var(--text-muted); font-size: .76rem; }
.text-highlight-legend li { display: inline-flex; align-items: center; gap: .35rem; }
.level-swatch { display: inline-block; width: .7rem; height: .7rem; border-radius: 3px; }
.level-swatch.level-low { background: var(--ok-soft); border: 1px solid var(--ok); }
.level-swatch.level-medium { background: var(--warn-soft); border: 1px solid var(--warn); }
.level-swatch.level-high { background: var(--danger-soft); border: 1px solid var(--danger); }
@media (max-width: 539px) {
  .result-overview { grid-template-columns: 1fr; }
  .result-indicators-card .metric-list { grid-template-columns: 1fr; }
  .metric-description { min-height: 0; }
  .result-actions { width: 100%; }
  .result-actions .btn { flex: 1 1 auto; }
  .result-score-card .gauge-wrap { flex-direction: column; align-items: center; gap: .6rem; }
  .result-score-card .gauge-note { min-width: 0; max-width: 42ch; text-align: center; }
  .segment-row { grid-template-columns: minmax(0,1fr) 32px; }
}

.gauge-wrap { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.gauge { position: relative; width: 128px; height: 128px; flex-shrink: 0; }
.gauge svg { transform: rotate(-90deg); }
.gauge circle { fill: none; stroke-width: 10; }
.gauge .gauge-track { stroke: var(--border-soft); }
.gauge .gauge-fill { stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset .8s var(--ease-out), stroke .3s; }
.gauge-value { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; }
.gauge-value strong { font-size: 1.6rem; font-weight: 800; }
.gauge-value span { font-size: .68rem; color: var(--text-muted); text-align: center; max-width: 70px; }
.gauge-note { flex: 1; min-width: 200px; color: var(--text-muted); font-size: .9rem; }

.metric-list { display: grid; gap: .7rem; margin-bottom: 1.3rem; }
.metric-row { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: .3rem .8rem; align-items: center; }
.metric-row .metric-label { font-size: .85rem; font-weight: 600; }
.metric-row .metric-value { font-size: .8rem; color: var(--text-muted); }
.metric-bar-track { grid-column: 1 / -1; height: 6px; border-radius: 999px; background: var(--border-soft); overflow: hidden; }
.metric-bar-fill { height: 100%; border-radius: 999px; background: var(--accent); transition: width .6s var(--ease-out); }

.signal-list { display: grid; gap: .6rem; margin-bottom: 1.3rem; }
.signal {
  display: flex; gap: .6rem; align-items: flex-start; padding: .7rem .85rem;
  border-radius: var(--radius-sm); font-size: .87rem; border: 1px solid var(--border-soft);
}
.signal.is-warn { background: var(--warn-soft); border-color: transparent; }
.signal.is-ok { background: var(--ok-soft); border-color: transparent; }
.signal svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 2px; }
.signal.is-warn svg { color: var(--warn); }
.signal.is-ok svg { color: var(--ok); }

.ela-preview { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-bottom: 1.3rem; }
.ela-preview figure { margin: 0; }
.ela-preview img { border-radius: var(--radius-sm); border: 1px solid var(--border); width: 100%; }
.ela-preview figcaption { margin-top: .4rem; font-size: .78rem; color: var(--text-muted); text-align: center; }
@media (max-width: 539px) { .ela-preview { grid-template-columns: 1fr; } }

.disclaimer {
  font-size: .8rem; color: var(--text-muted); background: var(--bg-soft);
  border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: .8rem .9rem; margin-bottom: 1.2rem;
}

.privacy-badge {
  display: flex; align-items: center; gap: .5rem; margin-top: 1rem;
  font-size: .82rem; color: var(--text-muted);
}
.privacy-badge svg { width: 16px; height: 16px; color: var(--ok); flex-shrink: 0; }
.limits-note { margin-top: .35rem; font-size: .78rem; color: var(--text-muted); }

.reset-link { font-size: .85rem; color: var(--accent); font-weight: 600; }

/* --- ad slots --- */
.ad-slot {
  display: flex; align-items: center; justify-content: center; text-align: center;
  border: 1px dashed var(--border); border-radius: var(--radius-md);
  background: var(--bg-soft); color: var(--text-muted);
  font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.ad-slot span { opacity: .65; }
.ad-slot--leaderboard { min-height: 90px; margin-block: 2rem; }
.ad-slot--incontent { min-height: 250px; margin-block: 2.5rem; }
.ad-slot--footer { min-height: 90px; margin-block: 2rem; }

/* --- content sections --- */
.section { padding-block: clamp(1.5rem, 4vw, 2.5rem); }
.section-head { max-width: 62ch; margin-bottom: 1.6rem; }
.section-head h2 { margin-bottom: .5rem; }

.steps { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
.step {
  background: var(--bg-raised); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 1.3rem; box-shadow: var(--shadow-sm);
}
.step-num {
  width: 30px; height: 30px; border-radius: 8px; background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: .9rem; margin-bottom: .7rem;
}
.step h3 { margin-bottom: .35rem; font-size: 1rem; }
.step p { font-size: .88rem; color: var(--text-muted); }
@media (max-width: 719px) { .steps { grid-template-columns: 1fr; } }
@media (max-width: 719px) {
  .hero { padding-block: 2.5rem 1.5rem; }
  .hero h1 { display: block !important; font-size: clamp(2.15rem, 10vw, 3.2rem); }
  .hero h1 span { display: block; margin-left: 0; }
  .trust-points { gap: .45rem; }
  .trust-points > span { font-size: .73rem; }
  .input-meta { align-items: flex-start; flex-direction: column; gap: .4rem; }
  .word-count-hint { text-align: left; }
}

.prose { max-width: 68ch; }
.prose p { margin-bottom: 1rem; color: var(--text-muted); }
.prose p:last-child { margin-bottom: 0; }

.faq-list { display: grid; gap: .7rem; max-width: 68ch; }
.faq-item {
  background: var(--bg-raised); border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
  padding: .2rem 1rem;
}
.faq-item summary {
  cursor: pointer; padding: .9rem 0; font-weight: 600; font-size: .95rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--accent); flex-shrink: 0; transition: transform .2s var(--ease-out); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding-bottom: 1rem; color: var(--text-muted); font-size: .9rem; }

.more-tools { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
.tool-link-card {
  display: block; background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 1.2rem; box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out), border-color .2s var(--ease-out);
}
.tool-link-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.tool-link-card h3 { margin-bottom: .35rem; color: var(--accent); }
.tool-link-card p { font-size: .85rem; color: var(--text-muted); }
@media (max-width: 719px) { .more-tools { grid-template-columns: 1fr; } }

/* --- legal skeleton pages --- */
.legal-body { max-width: 68ch; }
.legal-body h2 { margin-top: 2rem; margin-bottom: .6rem; font-size: 1.15rem; }
.legal-body p, .legal-body li { color: var(--text-muted); margin-bottom: .8rem; font-size: .93rem; }
.legal-body li { margin-left: 1.2rem; list-style: disc; }
.legal-todo {
  margin-top: 2rem; padding: 1rem 1.1rem; border-radius: var(--radius-md);
  background: var(--warn-soft); color: var(--warn); font-size: .85rem; border: 1px dashed var(--warn);
}

/* --- footer --- */
.site-footer { border-top: 1px solid var(--border-soft); padding-block: 2rem; margin-top: 2rem; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: center; }
.footer-links { display: flex; gap: 1.3rem; flex-wrap: wrap; }
.footer-links a { font-size: .85rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }
.footer-note { font-size: .78rem; color: var(--text-muted); margin-top: 1rem; }

/* =============================================================
   6. SaaS shell — app header, auth modal, pricing, account
   ============================================================= */
.demo-badge {
  display: inline-flex; align-items: center; gap: .3rem; padding: .2rem .55rem;
  border-radius: 999px; background: var(--warn-soft); color: var(--warn);
  font-size: .68rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
  vertical-align: middle;
}
.beta-badge {
  display: inline-flex; align-items: center; gap: .3rem; padding: .2rem .55rem;
  border-radius: 999px; background: var(--accent-soft); color: var(--accent);
  font-size: .68rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
  vertical-align: middle;
}
.beta-notice {
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 12px; padding: .9rem 1.1rem; font-size: .87rem; color: var(--text);
  margin: 0 0 1.25rem;
}
.btn-danger-outline {
  background: transparent; border: 1px solid var(--danger); color: var(--danger);
}
.btn-danger-outline:hover { background: var(--danger-soft); }
.auth-forgot-link {
  background: none; border: none; color: var(--text-muted); font-size: .82rem;
  text-decoration: underline; cursor: pointer; margin-top: .6rem; padding: 0;
}
.auth-forgot-link:hover { color: var(--accent); }
.auth-existing-account {
  display: block; width: 100%; background: none; border: 0; color: var(--accent);
  font: inherit; font-size: .84rem; font-weight: 650; text-align: left; text-decoration: underline;
  cursor: pointer; margin: 0 0 .65rem; padding: .15rem 0;
}
.auth-existing-account:hover { color: var(--text); }

.app-header .main-nav { gap: 1rem; }
.credits-pill {
  display: inline-flex; align-items: center; padding: .4rem .8rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: .85rem;
  border: 0; cursor: pointer; font-family: inherit; transition: background .18s ease, transform .18s ease;
}
.credits-pill:hover { background: var(--accent); color: var(--bg); transform: translateY(-1px); }
.credits-pill:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.credits-dialog { width: min(460px, 92vw) !important; }
.credits-dialog-balance { display: flex; align-items: baseline; gap: .45rem; margin: 0 0 1.15rem; }
.credits-dialog-balance strong { color: var(--accent); font-size: 2rem; line-height: 1; }
.credits-dialog-balance span, .credits-dialog-section p { color: var(--text-muted); font-size: .9rem; }
.credits-dialog-section { border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--bg-soft); padding: .9rem 1rem; margin-top: .75rem; }
.credits-dialog-section h3 { font-size: .92rem; margin: 0 0 .3rem; }
.credits-dialog-section p { margin: .25rem 0; }
.credits-countdown { color: var(--accent) !important; font-size: 1.3rem !important; font-variant-numeric: tabular-nums; font-weight: 800; letter-spacing: .04em; }
.credits-countdown[data-expired] { font-size: .9rem !important; letter-spacing: 0; }
.credits-bonus-section .btn { margin-top: .7rem; }
.credits-account-link { display: inline-block; margin-top: 1rem; color: var(--accent); font-size: .88rem; }
.account-menu { position: relative; }
.account-dropdown {
  display: none; position: absolute; right: 0; top: calc(100% + .5rem); z-index: 30;
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-md); padding: .4rem; min-width: 180px; flex-direction: column; gap: .1rem;
}
.account-dropdown.is-open { display: flex; }
.account-dropdown a, .account-dropdown button {
  display: block; width: 100%; text-align: left; padding: .55rem .7rem; border-radius: 8px; font-size: .87rem;
}
.account-dropdown a:hover, .account-dropdown button:hover { background: var(--bg-soft); }

.app-hero { padding-block: clamp(1.5rem, 4vw, 2.5rem) 1rem; }
.ia-status-note { margin-top: .8rem; font-size: .82rem; color: var(--warn); }
.ia-explicacion { font-size: .88rem; color: var(--text-muted); margin-bottom: .8rem; }
.hash-line { font-family: var(--mono); font-size: .72rem; color: var(--text-muted); margin-top: .5rem; word-break: break-all; }
.analysis-explanation {
  margin: 1rem 0 1.3rem; padding: 1rem; border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); background: var(--bg-soft);
}
.analysis-explanation > summary { display: list-item; cursor: pointer; font-size: .9rem; font-weight: 750; }
.analysis-explanation > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 3px; }
.analysis-explanation[open] > summary { margin-bottom: .75rem; }
.analysis-explanation[hidden] { display: none; }
.explanation-confidence { font-size: .9rem; font-weight: 700; margin-bottom: .25rem; }
.explanation-uncertainty { color: var(--text-muted); font-size: .85rem; margin-bottom: .75rem; }
.explanation-signals { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: .55rem; }
.explanation-signal { padding: .7rem .8rem; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: var(--bg-raised); }
.explanation-signal-head { display: flex; justify-content: space-between; gap: .6rem; font-size: .83rem; }
.explanation-signal-head span, .explanation-signal small { color: var(--text-muted); font-size: .75rem; }
.explanation-signal p { margin: .35rem 0; font-size: .82rem; }
.explanation-signal .related-segments { display: block; margin-top: .25rem; }
.explanation-normalization { color: var(--text-muted); font-size: .78rem; margin-top: .7rem; }
.human-review-notice { margin-top: .75rem; padding: .65rem .75rem; border-inline-start: 3px solid var(--accent); background: var(--bg-raised); font-size: .84rem; font-weight: 650; }
.manipulation-report { margin-top: .8rem; padding-top: .75rem; border-top: 1px solid var(--border-soft); font-size: .84rem; }
.manipulation-signals { display: grid; gap: .4rem; margin-top: .45rem; }
.manipulation-signal { margin: 0; padding: .55rem .65rem; border-inline-start: 3px solid var(--warn); background: var(--bg-raised); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.manipulation-signal span, .manipulation-not-evaluated { color: var(--text-muted); font-size: .78rem; }
.manipulation-not-evaluated { margin: .3rem 0 0; }

/* auth modal */
dialog.auth-modal {
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 0;
  width: min(512px, calc(100vw - 2rem)); max-height: calc(100dvh - 2rem); overflow-y: auto;
  margin: auto; background: var(--bg-raised); color: var(--text); box-shadow: var(--shadow-lg);
}
dialog.auth-modal[open] { position: fixed; inset: 0; }
dialog.auth-modal::backdrop { background: rgba(10, 12, 20, 0.55); backdrop-filter: blur(2px); }
.auth-modal-inner { padding: 1.4rem; }
.auth-tabs { display: flex; gap: .4rem; margin-bottom: 1.1rem; background: var(--bg-soft); border-radius: 999px; padding: .25rem; }
.auth-tab { flex: 1; padding: .5rem; border-radius: 999px; font-size: .82rem; font-weight: 700; color: var(--text-muted); }
.auth-tab[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); }
.auth-label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: .9rem; }
.auth-input {
  display: block; width: 100%; margin-top: .35rem; padding: .7rem .85rem; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text); font-size: .92rem;
}
.auth-error { color: var(--danger); font-size: .82rem; min-height: 1.1em; margin-bottom: .4rem; }
.auth-note { margin-top: 1rem; font-size: .78rem; color: var(--text-muted); text-align: center; }

/* pricing */
.pricing-grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 719px) { .pricing-grid { grid-template-columns: 1fr; } }
.pricing-card {
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.5rem; display: flex; flex-direction: column; gap: .6rem; box-shadow: var(--shadow-sm);
}
.pricing-card.is-featured { border-color: var(--accent); box-shadow: var(--shadow-md); position: relative; }
.pricing-card.is-featured::before {
  content: "Recomendado"; position: absolute; top: -12px; left: 1.5rem; background: var(--accent); color: var(--accent-ink);
  font-size: .68rem; font-weight: 800; padding: .25rem .6rem; border-radius: 999px; letter-spacing: .03em;
}
.pricing-card h3 { font-size: 1.1rem; }
.pricing-price { font-size: 1.9rem; font-weight: 800; }
.pricing-price small { font-size: .9rem; font-weight: 600; color: var(--text-muted); }
.pricing-features { display: grid; gap: .4rem; font-size: .85rem; color: var(--text-muted); margin: .3rem 0 .6rem; }
.pricing-features li { display: flex; gap: .5rem; align-items: flex-start; }

/* upgrade modal plan grid (reused in app + account) */
.plan-grid { display: grid; gap: .9rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 539px) { .plan-grid { grid-template-columns: 1fr; } }
.plan-card { border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.1rem; text-align: center; }
.plan-card h4 { margin-bottom: .3rem; }
.plan-price { font-size: 1.3rem; font-weight: 800; margin-bottom: .2rem; }
.plan-credits { font-size: .78rem; color: var(--text-muted); margin-bottom: .8rem; }

/* account page */
.account-summary-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 539px) { .account-summary-row { grid-template-columns: 1fr; gap: .8rem; } }
.account-label { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .03em; margin-bottom: .2rem; }
.account-value { font-size: 1.1rem; font-weight: 700; }
.history-list { display: grid; gap: .5rem; margin-top: .8rem; }
.history-row {
  display: grid; grid-template-columns: 1fr auto auto; gap: 1rem; align-items: center;
  padding: .7rem .9rem; background: var(--bg-raised); border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
  font-size: .85rem;
}
.history-cost { color: var(--danger); font-weight: 600; }
.history-date { color: var(--text-muted); font-size: .78rem; white-space: nowrap; }

/* =============================================================
   7. Ad interstitial (popup) + corner toast
   ============================================================= */
dialog.ad-interstitial, dialog.upgrade-dialog {
  border: none; border-radius: var(--radius-lg); padding: 0; width: min(420px, 92vw);
  background: var(--bg-raised); color: var(--text); box-shadow: var(--shadow-lg);
}
dialog.ad-interstitial::backdrop, dialog.upgrade-dialog::backdrop { background: rgba(10, 12, 20, 0.55); backdrop-filter: blur(2px); }
.ad-interstitial-inner, .upgrade-dialog-inner { padding: 1.4rem; }
.ad-interstitial-head, .upgrade-dialog-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.ad-interstitial-head span, .upgrade-dialog-head span { font-size: .78rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }
.ad-close, .upgrade-dialog-close {
  width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft); border: 1px solid var(--border); font-size: 1rem; line-height: 1;
}
.ad-close:hover, .upgrade-dialog-close:hover { background: var(--accent-soft); color: var(--accent); }
.ad-interstitial .ad-slot { min-height: 260px; }
.ad-interstitial-foot { margin-top: 1rem; text-align: center; }

.corner-toast {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 60; width: min(280px, calc(100vw - 2rem));
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: .9rem 1rem; display: flex; gap: .7rem; align-items: flex-start;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
}
.corner-toast.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.corner-toast .ad-slot { flex: 1; min-height: 60px; font-size: .68rem; }
.corner-toast-close { flex-shrink: 0; color: var(--text-muted); font-weight: 700; padding: .1rem .3rem; }
.corner-toast-close:hover { color: var(--text); }

/* =============================================================
   7. Effects
   ============================================================= */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
[data-reveal].is-visible { opacity: 1; transform: none; }

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

/* =============================================================
   8. Fragment analysis — highlights, concentration map, drilldown
   ============================================================= */

/* --- Concentration map --- */
.concentration-map {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.concentration-map > summary { cursor: pointer; }
.concentration-map > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 3px; }
.concentration-title {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.concentration-bars {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.conc-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  cursor: pointer;
  padding: .25rem .4rem;
  border-radius: 6px;
  transition: background .15s;
}
.conc-row:focus-visible, .hl-fragment:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.conc-row:hover { background: var(--bg-soft); }
.conc-row.is-active { background: var(--accent-soft); }
.conc-row.is-excluded { color: var(--text-muted); background: var(--bg-soft); border: 1px dashed var(--border); }
.conc-label {
  font-size: .78rem;
  color: var(--text-muted);
  min-width: 3.5rem;
  white-space: nowrap;
}
.conc-bar-track {
  flex: 1;
  height: 10px;
  background: var(--border-soft);
  border-radius: 5px;
  overflow: hidden;
}
.conc-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width .4s var(--ease-out);
}
.conc-bar-fill.level-low { background: var(--ok); }
.conc-bar-fill.level-medium { background: var(--warn); }
.conc-bar-fill.level-high { background: var(--danger); }
.conc-bar-fill.level-not_available { background: var(--border); }
.conc-bar-fill.level-excluded { background: var(--text-muted); }
.conc-score {
  font-size: .78rem;
  font-weight: 600;
  min-width: 2.5rem;
  text-align: right;
}
.conc-score.level-low { color: var(--ok); }
.conc-score.level-medium { color: var(--warn); }
.conc-score.level-high { color: var(--danger); }
.conc-score.level-not_available, .conc-score.level-excluded { color: var(--text-muted); }
.provider-influence-tag { color: var(--text-muted); font-size: .72rem; white-space: nowrap; }
.fragment-legend { display: flex; flex-wrap: wrap; gap: .45rem 1rem; list-style: none; padding: 0; margin: -.35rem 0 .8rem; font-size: .78rem; color: var(--text-muted); }
.fragment-legend li { display: inline-flex; align-items: center; gap: .35rem; }
.legend-swatch { width: .8rem; height: .8rem; border-radius: 3px; border: 1px solid var(--border); }
.legend-swatch.level-low { background: var(--ok-soft); border-color: var(--ok); }
.legend-swatch.level-medium { background: var(--warn-soft); border-color: var(--warn); }
.legend-swatch.level-high { background: var(--danger-soft); border-color: var(--danger); }
.legend-swatch.level-excluded { background: var(--bg-soft); border-style: dashed; }

/* --- Highlighted text view --- */
.highlighted-text-wrap {
  margin-bottom: 1.25rem;
}
.highlighted-title {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: .6rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.highlighted-text {
  font-family: var(--mono);
  font-size: .88rem;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  max-height: 500px;
  overflow-y: auto;
}
.hl-fragment {
  padding: 2px 0;
  border-radius: 3px;
  cursor: pointer;
  transition: background .15s;
  position: relative;
}
.hl-fragment:hover { filter: brightness(1.12); }
.hl-fragment-score { display: inline-block; margin-inline-start: .28em; padding: 0 .28em; border-radius: 4px; font-family: var(--sans); font-size: .68em; font-weight: 750; line-height: 1.45; vertical-align: .12em; opacity: .9; }
.hl-fragment.level-high .hl-fragment-score { background: var(--danger-soft); color: var(--danger); }
.hl-fragment.level-medium .hl-fragment-score { background: var(--warn-soft); color: var(--warn); }
.hl-fragment.level-low .hl-fragment-score { background: var(--ok-soft); color: var(--ok); }
.hl-fragment.level-not_available .hl-fragment-score { background: var(--bg-soft); color: var(--text-muted); }
.hl-fragment.is-provider-influenced { box-shadow: inset 0 2px var(--accent); }
.hl-fragment-source { display: inline-block; margin-inline-start: .22em; padding: 0 .28em; border-radius: 4px; background: var(--accent-soft); color: var(--accent); font-family: var(--sans); font-size: .64em; font-weight: 800; line-height: 1.5; vertical-align: .15em; }
.hl-fragment.is-active { outline: 2px solid var(--accent); outline-offset: 1px; }
.hl-fragment.level-high {
  background: var(--danger-soft);
  border-bottom: 2px solid var(--danger);
}
.hl-fragment.level-medium {
  background: var(--warn-soft);
  border-bottom: 2px solid var(--warn);
}
.hl-fragment.level-low {
  background: var(--ok-soft);
}
.hl-fragment.level-not_available {
  background: var(--bg-soft);
  border-bottom: 2px dotted var(--text-muted);
}
.hl-fragment.level-excluded { background: var(--bg-soft); border-bottom: 2px dashed var(--text-muted); }

/* --- Fragment detail panel --- */
.fragment-detail {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.fragment-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
}
.fragment-detail-title {
  font-size: .95rem;
  font-weight: 700;
}
.fragment-detail-score {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  margin-bottom: .75rem;
}
.fragment-detail-excerpt { margin: .2rem 0 .8rem; padding: .65rem .8rem; border-inline-start: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--bg-raised); color: var(--text-muted); font-size: .8rem; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; }
.fragment-detail-excerpt[hidden] { display: none; }
.fragment-score-big {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}
.fragment-score-big.level-high { color: var(--danger); }
.fragment-score-big.level-medium { color: var(--warn); }
.fragment-score-big.level-low { color: var(--ok); }
.fragment-score-label {
  font-size: .82rem;
  color: var(--text-muted);
}
.fragment-detail-signals {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.fragment-provider-note { margin: 0 0 .75rem; padding: .55rem .7rem; border-inline-start: 3px solid var(--accent); background: var(--bg-raised); color: var(--text-muted); font-size: .82rem; }
.fragment-provider-note[hidden] { display: none; }
.frag-signal {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .85rem;
  padding: .5rem .75rem;
  background: var(--bg);
  border-radius: var(--radius-sm);
}
.frag-signal-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
}
.frag-signal-icon svg { width: 18px; height: 18px; }
.frag-signal-body { flex: 1; }
.frag-signal-name {
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}
.frag-signal-explain {
  color: var(--text-muted);
  font-size: .8rem;
}
.frag-signal-na {
  font-style: italic;
  color: var(--text-muted);
}
.fragment-intro {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
@media (max-width: 539px) {
  .highlighted-text { min-width: 0; padding: .75rem; overflow-wrap: anywhere; }
  .conc-row { flex-wrap: wrap; }
  .conc-bar-track { min-width: 5rem; }
  .provider-influence-tag { white-space: normal; }
}

/* =============================================================
   9. Responsive
   ============================================================= */
@media (max-width: 539px) {
  .site-header .container { padding-block: .6rem; }
  .hero { padding-block: 2.2rem 1.4rem; }
  .hero-badge { margin-bottom: .6rem; }
  .hero h1 { margin-bottom: .4rem; }
  .lede { margin-bottom: .1rem; }
  .dropzone { padding: .85rem .75rem; gap: .3rem; }
  .dropzone svg { width: 24px; height: 24px; }
  .dropzone strong { font-size: .88rem; }
  .dropzone span { font-size: .78rem; }
textarea.text-input { min-height: 130px; padding: .7rem; }
.tool-card { padding: .9rem; }
}
@media (min-width: 540px) { }
@media (min-width: 720px) {
  .hero { padding-block: clamp(2.5rem, 6vw, 4.5rem) 2rem; }
}
@media (min-width: 960px) {
  .main-nav { gap: 1.8rem; }
}
@media (min-width: 1280px) { }


/* Centrar siempre el cuadro de planes en la ventana */
dialog[data-upgrade-dialog] {
  position: fixed;
  inset: 0;
  margin: auto;
  width: min(420px, 92vw);
  height: fit-content;
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
}