/* ==========================================================================
   Carlos Gude Sánchez · CV
   Plain CSS, no build step. Colours are tokens; dark mode follows the OS.
   ========================================================================== */

:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --border: #d8dde4;
  --border-strong: #b9c1cc;
  --text: #1a1f26;
  --muted: #56606c;
  --accent: #0b5cad;
  --accent-soft: #e5eef8;
  --ok: #1a7f37;
  --ok-soft: #e3f3e7;
  --post: #8a4b00;
  --post-soft: #fbeedd;
  --code-bg: #f6f8fa;
  --focus: #0b5cad;
  --shadow: 0 1px 2px rgba(20, 30, 45, .06);

  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --radius: 8px;
  --gutter: 16px;
  --topbar-h: 56px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116;
    --panel: #151a21;
    --panel-2: #1b2129;
    --border: #2a323d;
    --border-strong: #3a4452;
    --text: #e4e9ef;
    --muted: #9aa5b1;
    --accent: #6cb0f5;
    --accent-soft: #16283d;
    --ok: #4ac26b;
    --ok-soft: #13301d;
    --post: #e3a857;
    --post-soft: #33250f;
    --code-bg: #11161c;
    --focus: #6cb0f5;
    --shadow: none;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 12px);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  overflow-wrap: break-word;
}

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

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

h1, h2, h3, h4 { line-height: 1.25; margin: 0; }
p { margin: 0 0 1em; }
ul, ol { padding: 0; margin: 0; }

.mono { font-family: var(--mono); font-size: .88em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

.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: absolute; left: 8px; top: -60px; z-index: 100;
  background: var(--panel); color: var(--text); padding: 8px 12px;
  border: 1px solid var(--border); border-radius: var(--radius);
}
.skip-link:focus { top: 8px; }

/* ---------- Top bar ---------- */

.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter);
  min-height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.brand {
  font-family: var(--mono); font-size: .95rem; font-weight: 600;
  color: var(--text); text-decoration: none; white-space: nowrap;
}
.brand__prompt, .brand__dim { color: var(--muted); font-weight: 400; }

.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  font-size: .9rem; color: var(--muted); text-decoration: none;
  padding: 6px 10px; border-radius: 6px;
}
.nav a:hover { color: var(--text); background: var(--panel-2); }
.nav a[aria-current="true"] { color: var(--accent); background: var(--accent-soft); }

/* ---------- Layout ---------- */

.layout {
  max-width: 1180px; margin: 0 auto; padding: 24px var(--gutter) 48px;
  display: grid; gap: 24px;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 960px) {
  .layout { grid-template-columns: 330px minmax(0, 1fr); gap: 32px; align-items: start; }
  .profile {
    position: sticky; top: calc(var(--topbar-h) + 20px);
    max-height: calc(100vh - var(--topbar-h) - 40px);
    overflow-y: auto;
  }
}
.content { min-width: 0; }
.content:focus { outline: none; }

/* ---------- Panels ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel__bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
  border-radius: var(--radius) var(--radius) 0 0;
  font-family: var(--mono); font-size: .78rem; color: var(--muted);
}
.panel__body { padding: 18px; }

.method {
  font-family: var(--mono); font-weight: 700; font-size: .72rem; letter-spacing: .02em;
  color: var(--ok); background: var(--ok-soft);
  padding: 1px 6px; border-radius: 4px;
}
.method--post { color: var(--post); background: var(--post-soft); }
.status { margin-left: auto; color: var(--ok); }
.badge {
  border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 0 8px; font-size: .72rem;
}
.panel__bar .badge:first-of-type { margin-left: auto; }

/* ---------- Profile ---------- */

.profile__name { font-size: 1.6rem; letter-spacing: -.01em; }
.profile__title { margin: 4px 0 12px; font-weight: 500; }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tags li {
  font-family: var(--mono); font-size: .75rem;
  padding: 2px 8px; border-radius: 4px;
  background: var(--accent-soft); color: var(--accent);
}

.kv { margin: 0 0 16px; font-size: .92rem; }
.kv > div {
  display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 8px;
  padding: 6px 0; border-top: 1px dashed var(--border);
}
.kv > div:first-child { border-top: 0; }
.kv dt { font-family: var(--mono); font-size: .78rem; color: var(--muted); padding-top: 2px; }
.kv dd { margin: 0; }
.kv--plain > div { grid-template-columns: 80px minmax(0, 1fr); }

.dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok); margin-right: 7px; vertical-align: 1px;
}

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.actions .btn { flex: 1 1 auto; }

.linklist { list-style: none; font-family: var(--mono); font-size: .85rem; margin-bottom: 16px; }
.linklist li { padding: 2px 0; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 500 .9rem/1.2 var(--sans);
  color: var(--text); background: var(--panel);
  border: 1px solid var(--border-strong); border-radius: 6px;
  padding: 9px 14px; min-height: 40px;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--panel-2); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--primary:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
@media (prefers-color-scheme: dark) {
  .btn--primary { color: #0b1420; }
  .btn--primary:hover { background: color-mix(in srgb, var(--accent) 85%, #fff); }
}
.btn__meta { font-family: var(--mono); font-size: .72rem; opacity: .85; font-weight: 400; }
.btn--small { min-height: 30px; padding: 4px 10px; font-size: .8rem; }

.linkbtn {
  font: inherit; color: var(--accent); background: none; border: 0; padding: 0;
  text-decoration: underline; cursor: pointer;
}

/* ---------- Code blocks ---------- */

.code {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--code-bg);
  margin: 16px 0;
}
.code summary {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  padding: 10px 12px; cursor: pointer; list-style: none;
  border-radius: var(--radius);
}
.code summary::-webkit-details-marker { display: none; }
.code summary::before {
  content: "▸"; font-family: var(--mono); color: var(--muted);
  transition: transform .15s;
}
.code[open] summary::before { transform: rotate(90deg); }
@media (prefers-reduced-motion: reduce) { .code summary::before { transition: none; } }
.code__file { font-family: var(--mono); font-size: .85rem; font-weight: 600; }
.code__hint { font-size: .8rem; color: var(--muted); }
.code__toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 12px; border-top: 1px solid var(--border);
}
.code__lang { font-family: var(--mono); font-size: .72rem; color: var(--muted); text-transform: uppercase; }
.code pre {
  margin: 0; padding: 12px;
  border-top: 1px solid var(--border);
  font: .8rem/1.55 var(--mono);
  white-space: pre-wrap; word-break: break-word;
  max-height: 420px; overflow-y: auto;
}

/* ---------- Sections ---------- */

.section { padding: 8px 0 40px; }
.section + .section { border-top: 1px solid var(--border); padding-top: 32px; }
.section__head { margin-bottom: 16px; }
.endpoint {
  font-family: var(--mono); font-size: .8rem; color: var(--muted);
  margin: 0 0 4px; display: flex; gap: 8px; align-items: center;
}
.section h2 { font-size: 1.5rem; letter-spacing: -.01em; }

.lead { font-size: 1.05rem; max-width: 72ch; }

.subhead {
  font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); margin: 28px 0 12px;
}
.subhead__note { text-transform: none; letter-spacing: 0; font-weight: 400; margin-left: 6px; }

.minihead { font-size: .95rem; margin: 18px 0 6px; }

/* Metrics */
.metrics {
  list-style: none; display: grid; gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 540px) { .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.metric {
  display: flex; flex-direction: column; gap: 2px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.metric__value { font-family: var(--mono); font-size: 1.6rem; font-weight: 700; color: var(--accent); line-height: 1.2; }
.metric__label { font-weight: 600; font-size: .92rem; }
.metric__ctx { font-size: .8rem; color: var(--muted); margin-top: 6px; }

/* Skills */
.skills {
  margin: 0; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.skills > div {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px;
  padding: 10px 16px; border-top: 1px solid var(--border);
}
.skills > div:first-child { border-top: 0; }
.skills dt { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.skills dd { margin: 0; }
@media (min-width: 640px) {
  .skills > div { grid-template-columns: 190px minmax(0, 1fr); gap: 16px; }
  .skills dt { padding-top: 2px; }
}

.twocol { display: grid; gap: 0 32px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 720px) { .twocol { grid-template-columns: 1fr 1.4fr; } }
.edu { margin-bottom: 6px; }

/* ---------- Experience ---------- */

.filters {
  display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: center;
  margin-bottom: 18px;
}
.search {
  flex: 1 1 260px; display: flex; align-items: center; gap: 8px;
  background: var(--panel); border: 1px solid var(--border-strong); border-radius: 6px;
  padding: 0 10px; color: var(--muted);
}
.search:focus-within { outline: 2px solid var(--focus); outline-offset: 1px; }
.search input {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--text);
  font: .92rem var(--sans); padding: 9px 0; min-height: 40px;
}
.search input:focus { outline: none; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font: .82rem var(--sans); color: var(--muted);
  background: var(--panel); border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 12px; min-height: 32px; cursor: pointer;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip[aria-pressed="true"] { color: var(--accent); background: var(--accent-soft); border-color: var(--accent); }
.filters__count { flex-basis: 100%; margin: 0; color: var(--muted); font-size: .78rem; }

.roles { list-style: none; display: grid; gap: 12px; }
.role {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
  border-left: 3px solid var(--accent);
}
.role[hidden] { display: none; }
.role__head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 16px;
}
.role__head h3 { font-size: 1.05rem; }
.role__org { font-weight: 700; }
.role__title { font-weight: 400; color: var(--muted); }
.role__title::before { content: "· "; }
.role__dates { color: var(--muted); margin: 0; white-space: nowrap; font-size: .8rem; }
.role__ctx { color: var(--muted); font-size: .9rem; font-style: italic; margin: 2px 0 10px; }
.role__points { padding-left: 1.1em; }
.role__points li { margin: 4px 0; }
.role__points li::marker { color: var(--accent); }

.earlier { list-style: none; display: grid; gap: 0; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.role--compact { border: 0; border-top: 1px solid var(--border); border-radius: 0; box-shadow: none; padding: 12px 16px; background: transparent; }
.role--compact:first-child { border-top: 0; }
.role--compact p { margin: 0; font-size: .92rem; }
.earlier__head { display: flex; flex-wrap: wrap; gap: 2px 8px; align-items: baseline; }
.earlier__head .role__dates { margin-left: auto; }
@media (max-width: 559px) { .earlier__head { display: block; } .earlier__head .role__dates { display: block; } }
.earlier[hidden], .subhead[hidden] { display: none; }

.empty {
  margin-top: 12px; padding: 16px; border: 1px dashed var(--border-strong); border-radius: var(--radius);
  color: var(--muted);
}
.empty p { margin: 0; }

/* ---------- Project ---------- */

.project__title { font-size: 1.35rem; }
.project__sub { font-family: var(--mono); font-size: .8rem; color: var(--muted); margin: 4px 0 8px; }
.project p { max-width: 72ch; }
.model { padding-left: 1.1em; margin-bottom: 16px; }
.model li { margin: 4px 0; }
.model .mono { color: var(--accent); }

.flow { margin: 18px 0; }
.flow__steps {
  list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  counter-reset: step;
}
.flow__steps li { display: flex; align-items: center; gap: 8px; }
.flow__steps li span {
  font-family: var(--mono); font-size: .8rem;
  padding: 6px 10px; border: 1px solid var(--border-strong); border-radius: 6px;
  background: var(--panel-2);
}
.flow__steps li:nth-child(2) span { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.flow__steps li:last-child span { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }
.flow__steps li + li::before { content: "→"; color: var(--muted); font-family: var(--mono); }
.flow figcaption { margin-top: 8px; }
@media (max-width: 560px) {
  .flow__steps { flex-direction: column; align-items: flex-start; gap: 4px; }
  .flow__steps li { flex-direction: column; align-items: flex-start; gap: 4px; }
  .flow__steps li + li::before { content: "↓"; padding-left: 14px; }
}

.linkgrid {
  list-style: none; display: grid; gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin-top: 16px;
}
.linkgrid a {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px;
  text-decoration: none; font-size: .88rem; word-break: break-all;
}
.linkgrid a:hover { border-color: var(--accent); background: var(--accent-soft); }
.linkgrid .mono { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; word-break: normal; }

/* ---------- Contact ---------- */

.contact {
  margin: 0; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.contact > div {
  display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 12px; align-items: center;
  padding: 10px 16px; border-top: 1px solid var(--border);
}
.contact > div:first-child { border-top: 0; }
.contact dt { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.contact dd { margin: 0; display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }

.footer { border-top: 1px solid var(--border); padding-top: 16px; }

/* ---------- Toast ---------- */

.toast {
  position: fixed; left: 50%; bottom: 20px; transform: translate(-50%, 20px);
  background: var(--text); color: var(--bg);
  font: .85rem var(--mono); padding: 8px 14px; border-radius: 6px;
  opacity: 0; pointer-events: none; transition: opacity .15s, transform .15s;
  z-index: 50; max-width: calc(100vw - 32px);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
@media (prefers-reduced-motion: reduce) { .toast { transition: none; } }

/* ---------- Print ---------- */

@media print {
  .topbar, .skip-link, .filters, .actions, .code, .toast, .btn { display: none !important; }
  .layout { display: block; padding: 0; }
  .profile { position: static; max-height: none; }
  .panel, .role, .metric, .skills, .contact, .earlier { box-shadow: none; }
  body { background: #fff; color: #000; }
}

/* ---------- Small screens: brand row + single-row nav ---------- */
@media (max-width: 599px) {
  html { scroll-padding-top: 100px; }
  .topbar__inner { padding-top: 6px; gap: 2px; }
  .nav { flex: 1 1 100%; flex-wrap: nowrap; justify-content: space-between; gap: 0; margin: 0 -8px; }
  .nav a { padding: 6px 8px; font-size: .88rem; }
}
@media (max-width: 479px) {
  .contact > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
}
.btn { white-space: nowrap; }