/* ------------------------------------------------------------------
   Javier Vazquez-Corral: site styles. No build step, no framework.
------------------------------------------------------------------- */

:root {
  --paper: #ffffff;
  --surface: #f5f6f7;
  --ink: #1c1d20;
  --ink-2: #4a4e55;
  --ink-3: #6c727a;
  --rule: #e3e5e8;
  --rule-2: #cfd3d8;
  --accent: #383d96;          /* ColorChecker patch 13, "blue" */
  --accent-soft: rgba(56, 61, 150, 0.32);

  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;

  --step--1: 0.875rem;   /* 14 */
  --step-0: 1.0625rem;   /* 17 */
  --step-1: 1.25rem;     /* 20 */
  --step-2: 1.75rem;     /* 28 */
  --step-3: clamp(2.25rem, 1.7rem + 2.4vw, 3.25rem);

  --gutter: clamp(16px, 4vw, 40px);
  --maxw: 1080px;
  --top-h: 58px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #18191b;
    --surface: #212226;
    --ink: #eaebed;
    --ink-2: #b6bac0;
    --ink-3: #8d939b;
    --rule: #2d2f33;
    --rule-2: #3c3f44;
    --accent: #aeb3f7;
    --accent-soft: rgba(174, 179, 247, 0.4);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #18191b;
  --surface: #212226;
  --ink: #eaebed;
  --ink-2: #b6bac0;
  --ink-3: #8d939b;
  --rule: #2d2f33;
  --rule-2: #3c3f44;
  --accent: #aeb3f7;
  --accent-soft: rgba(174, 179, 247, 0.4);
  color-scheme: dark;
}

/* ------------------------------------------------------------------
   Base
------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--top-h) + 12px);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: var(--step-0);
  line-height: 1.6;
  font-optical-sizing: auto;
  font-variant-numeric: lining-nums;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
[hidden] { display: none !important; }

a {
  color: var(--accent);
  text-decoration-line: underline;
  text-decoration-color: var(--accent-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: currentColor; }

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

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------------
   Header: ColorChecker bar + name and section links
------------------------------------------------------------------- */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .top { background: var(--paper); }
}
.checker { display: grid; grid-template-columns: repeat(24, 1fr); height: 6px; }
.checker i { background: var(--c); }

.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: calc(var(--top-h) - 7px);
}
.top-name {
  color: var(--ink);
  font-weight: 600;
  font-size: 1.0625rem;
  text-decoration: none;
  white-space: nowrap;
}
.top nav { display: flex; gap: clamp(16px, 3vw, 28px); font-size: var(--step--1); }
.top nav a { color: var(--ink-2); text-decoration: none; }
.top nav a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }
.top nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}
@media (max-width: 440px) {
  .top-name { font-size: 0.9375rem; }
  .top nav { gap: 14px; font-size: 0.8125rem; }
}

/* ------------------------------------------------------------------
   Intro: portrait + bio
------------------------------------------------------------------- */
.intro {
  display: grid;
  grid-template-columns: minmax(0, 15.5rem) minmax(0, 1fr);
  column-gap: clamp(28px, 5vw, 64px);
  align-items: start;
  padding-block: clamp(32px, 6vw, 64px) clamp(40px, 6vw, 72px);
}
.portrait {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 3px;
  background: var(--surface);
}
.about h1 {
  margin: -0.12em 0 0;
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.roles {
  margin: 14px 0 22px;
  font-size: var(--step-1);
  line-height: 1.45;
  color: var(--ink-2);
}
.roles a { color: inherit; text-decoration-color: var(--rule-2); }
.roles a:hover { color: var(--ink); text-decoration-color: var(--accent); }
.about p:not(.roles) { max-width: 66ch; margin: 0 0 14px; }

.links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  font-size: var(--step--1);
}
address {
  margin-top: 14px;
  font-style: normal;
  font-size: var(--step--1);
  line-height: 1.5;
  color: var(--ink-3);
}

@media (max-width: 680px) {
  .intro { grid-template-columns: minmax(0, 1fr); row-gap: 24px; }
  .portrait { width: min(58%, 15rem); }
}

/* ------------------------------------------------------------------
   Sections
------------------------------------------------------------------- */
.block { padding-block: clamp(32px, 5vw, 56px); border-top: 1px solid var(--rule); }
.block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 32px;
  margin-bottom: 24px;
}
.block h2 {
  margin: 0;
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* --- Publications ------------------------------------------------- */
.pub-tools { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; }
.search input {
  width: min(22rem, 78vw);
  font: inherit;
  font-size: var(--step--1);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule-2);
  border-radius: 4px;
  padding: 7px 11px;
}
.search input::placeholder { color: var(--ink-3); }
.search input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.count {
  margin: 0;
  font-size: var(--step--1);
  color: var(--ink-3);
  font-variant-numeric: tabular-nums lining-nums;
  min-width: 9ch;
}

.year-group {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  column-gap: clamp(16px, 3vw, 32px);
  padding-block: 18px 6px;
  border-top: 1px solid var(--rule);
}
.year-group h3 {
  position: sticky;
  top: calc(var(--top-h) + 16px);
  align-self: start;
  margin: 0;
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums lining-nums;
}
.pub-list { list-style: none; margin: 0; padding: 0; }
.pub {
  display: grid;
  grid-template-columns: 6.25rem minmax(0, 1fr);
  column-gap: 16px;
  padding-bottom: 20px;
}
.pub .tag {
  padding-top: 3px;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-2);
  overflow-wrap: anywhere;
}
.pub-body { min-width: 0; }
.pub .title {
  margin: 0;
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.4;
  text-wrap: pretty;
}
.pub .authors, .pub .venue {
  margin: 2px 0 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink-2);
}
.pub .authors .me { color: var(--ink); font-weight: 600; white-space: nowrap; }
.pub .venue em { font-style: italic; }
.pub .award { color: var(--ink); font-weight: 600; }
.more-authors {
  color: var(--ink-3);
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}
.more-authors:hover { color: var(--ink); }

.pub .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 16px;
  margin: 5px 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--step--1);
}
.pub .actions a, .pub .actions button {
  color: var(--accent);
  text-decoration: none;
}
.pub .actions a:hover, .pub .actions button:hover { text-decoration: underline; text-underline-offset: 3px; }
.pub .actions button[aria-expanded="true"] { color: var(--ink); }

.bibtex {
  position: relative;
  margin: 10px 0 4px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.bibtex pre {
  margin: 0;
  padding: 12px 76px 12px 14px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--ink);
  tab-size: 2;
}
.bibtex .copy {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 0.8125rem;
  color: var(--ink-2);
  background: var(--paper);
  border: 1px solid var(--rule-2);
  border-radius: 3px;
  padding: 1px 8px;
}
.bibtex .copy:hover { color: var(--ink); border-color: var(--ink-3); }

.empty { color: var(--ink-2); }
.empty button { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 680px) {
  .year-group { grid-template-columns: minmax(0, 1fr); padding-top: 14px; }
  .year-group h3 { position: static; margin-bottom: 10px; }
  .pub { grid-template-columns: minmax(0, 1fr); }
  .pub .tag { padding: 0; margin-bottom: 1px; }
  .pub .tag:empty { display: none; }
}

/* --- CV ------------------------------------------------------------ */
.download {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: var(--step--1);
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--rule-2);
  border-radius: 999px;
  padding: 5px 14px 5px 11px;
}
.download:hover { border-color: var(--accent); color: var(--accent); }
.download svg { width: 15px; height: 15px; }

.cv-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px clamp(28px, 5vw, 64px);
}
.cv-group + .cv-group { margin-top: 28px; }
.cv-group h3 {
  margin: 0 0 12px;
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.3;
}
.cv-list { list-style: none; margin: 0; padding: 0; }
.cv-list li {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  column-gap: 14px;
  padding-block: 7px;
  border-top: 1px solid var(--rule);
}
.cv-list.plain li { grid-template-columns: minmax(0, 1fr); }
.cv-list .when {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums lining-nums;
  white-space: nowrap;
}
.cv-list p { margin: 0; font-size: 0.9375rem; line-height: 1.5; color: var(--ink-2); }
.cv-list b { display: block; color: var(--ink); font-weight: 600; }
.cv-list b span { font-weight: 400; color: var(--ink-2); }

@media (max-width: 760px) {
  .cv-cols { grid-template-columns: minmax(0, 1fr); }
  .cv-side { margin-top: 20px; }
}
@media (max-width: 420px) {
  .cv-list li { grid-template-columns: 5.25rem minmax(0, 1fr); }
}

/* --- Teaching page ------------------------------------------------ */
.page-head { padding-block: clamp(32px, 6vw, 64px) clamp(24px, 4vw, 40px); }
.page-head h1 {
  margin: 0;
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.t-inst { margin-top: 22px; }
.t-inst + .t-inst { margin-top: 40px; }
.t-inst h3 {
  margin: 0 0 10px;
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.35;
}
.course {
  display: grid;
  grid-template-columns: minmax(0, 19rem) minmax(0, 1fr);
  column-gap: clamp(20px, 4vw, 48px);
  padding-block: 10px;
  border-top: 1px solid var(--rule);
}
.course h4 {
  margin: 0;
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.45;
}
.course .cv-list li { border-top: 0; padding-block: 1px 3px; }
@media (max-width: 680px) {
  .course { grid-template-columns: minmax(0, 1fr); row-gap: 4px; }
}

/* ------------------------------------------------------------------
   Footer
------------------------------------------------------------------- */
.foot { border-top: 1px solid var(--rule); }
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 24px;
  padding-block: 22px 40px;
  font-size: var(--step--1);
  color: var(--ink-3);
}
.foot p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}