/* =============================================================
   Facturia — hoja de estilos única
   1. Tokens              5. Componentes         9. App (herramienta)
   2. Reset y base        6. Navegación         10. Cuenta
   3. Utilidades          7. Secciones landing  11. Legal / prosa
   4. Tipografía          8. Pricing            12. Responsive + reduced-motion
   ============================================================= */

/* ============================ 1. Tokens ============================ */
:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --bg-sunk: #eef1f7;
  --surface: #ffffff;
  --border: #e3e7ef;
  --border-strong: #cdd4e2;
  --text: #10151f;
  --text-soft: #47506a;
  --text-mute: #737d97;
  --accent: #4f46e5;
  --accent-ink: #3a32c4;
  --accent-soft: #eceafe;
  --success: #0f9d6b;
  --success-soft: #e2f5ec;
  --warn: #b7791f;
  --warn-soft: #fdf3e1;
  --danger: #d1495b;
  --danger-soft: #fbe9ec;

  --radius: 12px;
  --radius-lg: 18px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 21, 31, .05), 0 1px 3px rgba(16, 21, 31, .04);
  --shadow-md: 0 4px 12px rgba(16, 21, 31, .07), 0 2px 6px rgba(16, 21, 31, .05);
  --shadow-lg: 0 18px 50px rgba(16, 21, 31, .13), 0 6px 18px rgba(16, 21, 31, .08);

  --sans: "Inter", "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --container: 1120px;
  --nav-h: 68px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1017;
    --bg-soft: #12161f;
    --bg-sunk: #0a0d13;
    --surface: #161b26;
    --border: #262d3b;
    --border-strong: #333c4e;
    --text: #eef1f7;
    --text-soft: #b3bcd0;
    --text-mute: #8b95ab;
    --accent: #8b83ff;
    --accent-ink: #a79fff;
    --accent-soft: #211f3d;
    --success: #34d399;
    --success-soft: #10231c;
    --warn: #e0a94b;
    --warn-soft: #2a2113;
    --danger: #f2839a;
    --danger-soft: #2c1720;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, .45);
    --shadow-lg: 0 20px 55px rgba(0, 0, 0, .55);
  }
}
:root[data-theme="dark"] {
  --bg: #0d1017;
  --bg-soft: #12161f;
  --bg-sunk: #0a0d13;
  --surface: #161b26;
  --border: #262d3b;
  --border-strong: #333c4e;
  --text: #eef1f7;
  --text-soft: #b3bcd0;
  --text-mute: #8b95ab;
  --accent: #8b83ff;
  --accent-ink: #a79fff;
  --accent-soft: #211f3d;
  --success: #34d399;
  --success-soft: #10231c;
  --warn: #e0a94b;
  --warn-soft: #2a2113;
  --danger: #f2839a;
  --danger-soft: #2c1720;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, .45);
  --shadow-lg: 0 20px 55px rgba(0, 0, 0, .55);
}

/* ============================ 2. Reset y base ============================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; overflow-x: clip; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { 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: 1.12; letter-spacing: -0.02em; font-weight: 700; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* ============================ 3. Utilidades ============================ */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
.container-narrow { max-width: 760px; }
.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;
}
.stack > * + * { margin-top: 1rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent-ink); background: var(--accent-soft);
  padding: .35rem .7rem; border-radius: 999px;
}
.muted { color: var(--text-mute); }
.center { text-align: center; }
[hidden] { display: none !important; }

/* ============================ 4. Tipografía ============================ */
.h-hero { font-size: clamp(2.1rem, 5.4vw, 3.5rem); line-height: 1.06; }
.h-sec { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
.h-sub { font-size: clamp(1.15rem, 2vw, 1.35rem); font-weight: 650; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--text-soft); max-width: 46ch; }
.lead.center { margin-inline: auto; }
section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.sec-head { max-width: 44ch; margin-bottom: 2.5rem; }
.sec-head.center { margin-inline: auto; }

/* ============================ 5. Componentes ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1.3rem; border-radius: var(--radius-sm);
  font-weight: 600; font-size: .97rem; line-height: 1;
  transition: transform .15s var(--ease-out), background .2s, box-shadow .2s, border-color .2s;
  border: 1px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-ink); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-ink); }
.btn-soft { background: var(--accent-soft); color: var(--accent-ink); }
.btn-soft:hover { background: var(--accent); color: #fff; }
.btn-lg { padding: .95rem 1.7rem; font-size: 1.03rem; }
.btn-block { width: 100%; }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.6rem;
  box-shadow: var(--shadow-sm);
}
.pill {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .3rem .7rem; border-radius: 999px; font-size: .82rem; font-weight: 600;
  background: var(--bg-sunk); color: var(--text-soft); border: 1px solid var(--border);
}
.pill-accent { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }
.pill-warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.pill-success { background: var(--success-soft); color: var(--success); border-color: transparent; }

.notice {
  padding: .85rem 1rem; border-radius: var(--radius-sm); font-size: .92rem;
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text-soft);
}
.notice-warn { background: var(--warn-soft); border-color: transparent; color: var(--warn); }
.notice-danger { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.notice-success { background: var(--success-soft); border-color: transparent; color: var(--success); }

/* Toast (errores humanos, nunca alert()) */
.toast-wrap {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  z-index: 1200; display: flex; flex-direction: column; gap: .5rem; width: min(420px, calc(100vw - 32px));
}
.toast {
  background: var(--surface); border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm); padding: .8rem 1rem; box-shadow: var(--shadow-lg);
  font-size: .92rem; animation: toastIn .25s var(--ease-out);
}
.toast-error { border-left-color: var(--danger); }
.toast-ok { border-left-color: var(--success); }
@keyframes toastIn { from { opacity: 0; transform: translateY(12px); } }

/* Modal */
dialog {
  border: 0; padding: 0; border-radius: var(--radius-lg); max-width: 460px; width: calc(100vw - 32px);
  background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg);
}
dialog::backdrop { background: rgba(8, 11, 18, .55); backdrop-filter: blur(2px); }
.modal-body { padding: 1.6rem; }
.modal-body h3 { font-size: 1.25rem; margin-bottom: .5rem; }

/* Formularios */
.field { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1rem; }
.field label { font-size: .88rem; font-weight: 600; color: var(--text-soft); }
.field input, .field select {
  padding: .7rem .85rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--bg);
  transition: border-color .15s;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); }
.form-error { color: var(--danger); font-size: .88rem; min-height: 1.2em; }

/* ============================ 6. Navegación ============================ */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h); display: flex; align-items: center;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav .container { display: flex; align-items: center; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.03em; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: var(--accent); color: #fff; font-size: 1rem; font-weight: 800;
}
.nav-links { display: flex; gap: 1.4rem; margin-left: auto; align-items: center; }
.nav-links a { font-size: .93rem; font-weight: 550; color: var(--text-soft); }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; gap: .6rem; align-items: center; }
.nav-toggle { display: none; }

/* Language switcher */
.lang-switch { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 999px; overflow: hidden; }
.lang-switch button { padding: .35rem .6rem; font-size: .78rem; font-weight: 700; color: var(--text-mute); letter-spacing: .03em; }
.lang-switch button[aria-pressed="true"] { background: var(--accent); color: #fff; }
.lang-switch button:not([aria-pressed="true"]):hover { color: var(--text); }

/* ============================ 7. Secciones landing ============================ */
.hero { padding-top: clamp(2.5rem, 6vw, 4.5rem); padding-bottom: clamp(2.5rem, 6vw, 4rem); }
.hero-grid { display: grid; gap: 3rem; align-items: center; }
.hero-copy .lead { margin-top: 1.1rem; }
.hero-cta { display: flex; gap: .8rem; margin-top: 1.8rem; flex-wrap: wrap; }
.hero-trust { margin-top: 1.4rem; font-size: .88rem; color: var(--text-mute); display: flex; gap: 1.2rem; flex-wrap: wrap; }
.hero-trust span { display: flex; align-items: center; gap: .4rem; }

/* Mock de la app dentro del hero */
.hero-demo {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.hero-demo-bar {
  display: flex; align-items: center; gap: .5rem; padding: .7rem 1rem;
  border-bottom: 1px solid var(--border); background: var(--bg-soft);
}
.hero-demo-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.hero-demo-tbl { width: 100%; border-collapse: collapse; font-size: .82rem; }
.hero-demo-tbl th, .hero-demo-tbl td { padding: .55rem .7rem; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.hero-demo-tbl th { color: var(--text-mute); font-weight: 600; font-size: .74rem; text-transform: uppercase; letter-spacing: .03em; }
.hero-demo-tbl td.amber { background: var(--warn-soft); color: var(--warn); border-radius: 4px; }
.hero-demo-foot { padding: .7rem 1rem; display: flex; justify-content: space-between; align-items: center; background: var(--bg-soft); font-size: .82rem; }

.logos { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; align-items: center; justify-content: center; opacity: .8; }
.logos span { font-weight: 700; color: var(--text-mute); font-size: 1.05rem; letter-spacing: -0.02em; }

.steps { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.step { padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.step-n { font-family: var(--mono); font-size: .9rem; color: var(--accent-ink); font-weight: 600; }
.step h3 { font-size: 1.1rem; margin: .6rem 0 .4rem; }
.step p { font-size: .93rem; color: var(--text-soft); }

.split { display: grid; gap: 2.5rem; align-items: start; }
.feature-list { display: grid; gap: 1rem; }
.feature { display: flex; gap: .8rem; }
.feature svg { flex-shrink: 0; margin-top: 2px; color: var(--success); }
.feature b { display: block; font-size: .98rem; }
.feature p { font-size: .9rem; color: var(--text-soft); }

.audience { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.audience .card h3 { font-size: 1.08rem; margin-bottom: .4rem; }
.audience .card p { font-size: .93rem; color: var(--text-soft); }

.fields-grid { display: flex; flex-wrap: wrap; gap: .6rem; }
.fields-grid .pill { font-size: .88rem; padding: .45rem .85rem; }

/* FAQ */
.faq { display: grid; gap: .6rem; max-width: 760px; margin-inline: auto; }
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  padding: .2rem 1.1rem;
}
.faq summary {
  list-style: none; cursor: pointer; padding: 1rem 0; font-weight: 600;
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; color: var(--accent); font-weight: 400; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { padding-bottom: 1rem; color: var(--text-soft); font-size: .95rem; }

/* CTA final */
.cta-band {
  background: var(--accent); color: #fff; border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.2rem); text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); margin: .6rem auto 1.5rem; max-width: 40ch; }
.cta-band .btn-primary { background: #fff; color: var(--accent-ink); }
.cta-band .btn-primary:hover { background: #f0efff; }

/* Footer */
.footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding-block: 3rem 2rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1.4fr repeat(3, 1fr); }
.footer h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-mute); margin-bottom: .8rem; }
.footer a { display: block; font-size: .92rem; color: var(--text-soft); padding: .2rem 0; }
.footer a:hover { color: var(--accent-ink); }
.footer-legal { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: .85rem; color: var(--text-mute); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ============================ 8. Pricing ============================ */
.price-toggle { display: flex; justify-content: center; gap: .8rem; align-items: center; margin-bottom: 2rem; font-size: .92rem; }
.switch { position: relative; width: 46px; height: 26px; background: var(--border-strong); border-radius: 999px; transition: background .2s; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; background: #fff; border-radius: 50%; transition: transform .2s var(--ease-out); box-shadow: var(--shadow-sm); }
.switch[aria-pressed="true"] { background: var(--accent); }
.switch[aria-pressed="true"]::after { transform: translateX(20px); }

.plans { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); align-items: start; }
@media (min-width: 1100px) { .plans { grid-template-columns: repeat(4, 1fr); } }
.plan { position: relative; display: flex; flex-direction: column; }
.plan.destacado { border-color: var(--accent); box-shadow: var(--shadow-md); }
.plan-tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: .74rem; font-weight: 700; padding: .25rem .7rem; border-radius: 999px; letter-spacing: .03em; }
.plan h3 { font-size: 1.2rem; }
.plan .price { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; margin: .6rem 0 .1rem; }
.plan .price small { font-size: .95rem; font-weight: 500; color: var(--text-mute); }
.plan .price-note { font-size: .82rem; color: var(--text-mute); min-height: 1.2em; }
.plan .resumen { font-size: .9rem; color: var(--text-soft); margin: .5rem 0 1rem; }
.plan ul { list-style: none; display: grid; gap: .55rem; margin: 1rem 0 1.5rem; font-size: .9rem; }
.plan li { display: flex; gap: .5rem; align-items: flex-start; color: var(--text-soft); }
.plan li svg { flex-shrink: 0; margin-top: 3px; color: var(--success); }
.plan .btn { margin-top: auto; }
.price-legal { max-width: 640px; margin: 2rem auto 0; font-size: .84rem; color: var(--text-mute); text-align: center; }

/* Badge MODO DEMO */
.demo-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--warn-soft); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent);
  font-size: .82rem; font-weight: 650; padding: .4rem .8rem; border-radius: 999px;
}
.demo-bar {
  background: var(--warn); color: #26200f; text-align: center;
  font-size: .85rem; font-weight: 600; padding: .45rem 1rem;
}
.demo-bar a { text-decoration: underline; }

/* ============================ 9. App (herramienta) ============================ */
.app-body { background: var(--bg-soft); min-height: 100vh; display: flex; flex-direction: column; }
.app-bar {
  height: 60px; display: flex; align-items: center; gap: 1rem;
  background: var(--surface); border-bottom: 1px solid var(--border); padding-inline: 20px; position: sticky; top: 0; z-index: 50;
}
.app-bar .brand { font-size: 1.05rem; }
.app-bar-right { margin-left: auto; display: flex; align-items: center; gap: .8rem; }
.credits-pill {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--accent-soft); color: var(--accent-ink);
  font-weight: 700; font-size: .9rem; padding: .4rem .8rem; border-radius: 999px;
  transition: transform .3s var(--ease-out);
}
.credits-pill.bump { transform: scale(1.12); }
.acct-menu { position: relative; }
.acct-btn { display: flex; align-items: center; gap: .4rem; padding: .4rem .6rem; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--bg); font-size: .88rem; }
.acct-drop {
  position: absolute; right: 0; top: calc(100% + 6px); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  min-width: 180px; padding: .4rem; z-index: 60;
}
.acct-drop a, .acct-drop button { display: block; width: 100%; text-align: left; padding: .55rem .7rem; border-radius: var(--radius-sm); font-size: .9rem; color: var(--text-soft); }
.acct-drop a:hover, .acct-drop button:hover { background: var(--bg-soft); color: var(--text); }

.app-main { flex: 1; width: 100%; max-width: 1080px; margin-inline: auto; padding: 1.6rem 20px 3rem; }
.app-h { font-size: 1.4rem; margin-bottom: .3rem; }
.app-sub { color: var(--text-soft); font-size: .94rem; margin-bottom: 1.4rem; }

/* Dropzone */
.dropzone {
  border: 2px dashed var(--border-strong); border-radius: var(--radius-lg);
  background: var(--surface); padding: 2.5rem 1.5rem; text-align: center;
  transition: border-color .15s, background .15s;
}
.dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dropzone svg { color: var(--accent); margin: 0 auto .8rem; }
.dropzone h3 { font-size: 1.1rem; margin-bottom: .3rem; }
.dropzone p { color: var(--text-mute); font-size: .9rem; margin-bottom: 1rem; }
.dropzone .btn { margin-top: .2rem; }
.dz-limits { margin-top: .9rem; font-size: .8rem; color: var(--text-mute); }

/* Cola de procesamiento */
.queue { margin-top: 1.4rem; display: grid; gap: .5rem; }
.q-item {
  display: flex; align-items: center; gap: .8rem; padding: .7rem .9rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: .9rem;
}
.q-item .q-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.q-icon { width: 16px; flex-shrink: 0; display: grid; place-items: center; font-weight: 700; color: var(--success); }
.q-status { font-size: .82rem; font-weight: 600; }
.q-status.wait { color: var(--text-mute); }
.q-status.work { color: var(--accent-ink); }
.q-status.done { color: var(--success); }
.q-status.err { color: var(--danger); }
.q-spin { width: 14px; height: 14px; border: 2px solid var(--border-strong); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Tabla de resultados */
.results-wrap { margin-top: 1.8rem; }
.results-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .9rem; flex-wrap: wrap; }
.results-head h3 { font-size: 1.15rem; }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table.results { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 900px; }
table.results th, table.results td { padding: .5rem .6rem; text-align: left; border-bottom: 1px solid var(--border); }
table.results th { background: var(--bg-soft); font-size: .74rem; text-transform: uppercase; letter-spacing: .03em; color: var(--text-mute); font-weight: 600; position: sticky; top: 0; }
table.results td { vertical-align: middle; }
table.results td[contenteditable] { cursor: text; }
table.results td[contenteditable]:focus { outline: 2px solid var(--accent); outline-offset: -2px; background: var(--bg); }
table.results td.low { background: var(--warn-soft); }
table.results td.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: .82rem; }
table.results tr.bad td { box-shadow: inset 3px 0 0 var(--danger); }
table.results tfoot td { font-weight: 700; background: var(--bg-soft); }
.row-del { color: var(--text-mute); font-size: 1rem; padding: .2rem .4rem; border-radius: 4px; }
.row-del:hover { color: var(--danger); background: var(--danger-soft); }

.summary-cards { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-top: 1.2rem; }
.sum-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .9rem 1rem; }
.sum-card b { display: block; font-size: 1.3rem; font-variant-numeric: tabular-nums; }
.sum-card span { font-size: .8rem; color: var(--text-mute); }

.export-bar { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: 1.4rem; }

/* Auth (login / registro) */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 2rem 20px; background: var(--bg-soft); }
.auth-card { width: 100%; max-width: 400px; }
.auth-card .brand { justify-content: center; margin-bottom: 1.2rem; }
.auth-card h1 { font-size: 1.35rem; text-align: center; margin-bottom: .3rem; }
.auth-card .sub { text-align: center; color: var(--text-soft); font-size: .92rem; margin-bottom: 1.4rem; }
.auth-switch { text-align: center; font-size: .9rem; margin-top: 1rem; color: var(--text-soft); }
.auth-switch a { color: var(--accent-ink); font-weight: 600; }

/* ============================ 10. Cuenta ============================ */
.acct-grid { display: grid; gap: 1.4rem; grid-template-columns: 1fr; max-width: 860px; }
.acct-plan-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.acct-plan-row .price { font-size: 1.6rem; font-weight: 800; }
.hist-tbl { width: 100%; border-collapse: collapse; font-size: .88rem; }
.hist-tbl th, .hist-tbl td { padding: .5rem .4rem; text-align: left; border-bottom: 1px solid var(--border); }
.hist-tbl th { color: var(--text-mute); font-size: .76rem; text-transform: uppercase; }

/* ============================ 11. Legal / prosa ============================ */
.prose-head { background: var(--bg-soft); border-bottom: 1px solid var(--border); padding-block: 2.5rem; }
.prose { max-width: 760px; margin-inline: auto; padding: 2.5rem 20px 4rem; }
.prose h2 { font-size: 1.35rem; margin: 2.2rem 0 .8rem; }
.prose h3 { font-size: 1.08rem; margin: 1.6rem 0 .5rem; }
.prose p, .prose li { color: var(--text-soft); margin-bottom: .8rem; }
.prose ul, .prose ol { padding-left: 1.3rem; margin-bottom: 1rem; }
.prose li { margin-bottom: .4rem; }
.prose a { color: var(--accent-ink); text-decoration: underline; }
.prose table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .9rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: .5rem .7rem; text-align: left; }
.prose .updated { font-size: .86rem; color: var(--text-mute); }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem; margin-bottom: 2rem; }
.toc b { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-mute); }
.toc ol { margin: .6rem 0 0; padding-left: 1.2rem; }
.toc a { font-size: .92rem; }

/* Blog */
.post-list { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.post-card { display: flex; flex-direction: column; }
.post-card .cat { font-size: .78rem; font-weight: 700; color: var(--accent-ink); text-transform: uppercase; letter-spacing: .03em; }
.post-card h3 { font-size: 1.12rem; margin: .5rem 0; }
.post-card p { font-size: .92rem; color: var(--text-soft); flex: 1; }
.post-card .read { margin-top: .8rem; font-size: .88rem; font-weight: 600; color: var(--accent-ink); }
.post-meta { color: var(--text-mute); font-size: .86rem; margin-bottom: 1.5rem; }
.article { max-width: 720px; margin-inline: auto; padding: 2.5rem 20px 4rem; }
.article h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: .6rem; }
.article h2 { font-size: 1.35rem; margin: 2rem 0 .7rem; }
.article h3 { font-size: 1.1rem; margin: 1.4rem 0 .5rem; }
.article p, .article li { color: var(--text-soft); margin-bottom: .9rem; }
.article ul, .article ol { padding-left: 1.3rem; margin-bottom: 1rem; }
.article a { color: var(--accent-ink); text-decoration: underline; }
.article .cta-band { margin-top: 2.5rem; }
.article-related { border-top: 1px solid var(--border); margin-top: 2.5rem; padding-top: 1.5rem; }

/* ============================ 12. Responsive + reduced-motion ============================ */
@media (min-width: 720px) {
  .hero-grid { grid-template-columns: 1.05fr .95fr; }
  .split { grid-template-columns: 1fr 1fr; }
  .acct-grid { grid-template-columns: 1fr; }
}
@media (min-width: 960px) {
  .split.rev { direction: rtl; }
  .split.rev > * { direction: ltr; }
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 719px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border); padding: 1rem 20px; gap: .3rem;
  }
  .nav-links.open a { padding: .6rem 0; }
  .nav-toggle { display: grid; margin-left: auto; width: 40px; height: 40px; place-items: center; border: 1px solid var(--border); border-radius: var(--radius-sm); }
  .nav-actions .btn-ghost { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-demo { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .q-spin { animation-duration: 1.4s; }
  .btn:hover, .btn-primary:hover { transform: none; }
}