/* ============================================================
   custom.css — carmelom.github.io
   Refined contemporary minimal. IBM Plex throughout.
   Layered on top of Pico.css (classless build).
   The /cv page IS the print preview (WYSIWYG).
   ============================================================ */

/* ---------- fonts: IBM Plex (self-hosted woff2) ------------ */

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-sans@5/files/ibm-plex-sans-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-sans@5/files/ibm-plex-sans-latin-400-italic.woff2') format('woff2');
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-sans@5/files/ibm-plex-sans-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-sans@5/files/ibm-plex-sans-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-mono@5/files/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-mono@5/files/ibm-plex-mono-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Serif';
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-serif@5/files/ibm-plex-serif-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Serif';
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-serif@5/files/ibm-plex-serif-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}

/* ---------- design tokens (override Pico) ------------------ */

:root,
[data-theme="light"] {
  --pico-background-color: #FAF9F6;
  --pico-color: #1A1A1A;
  --pico-h1-color: #1A1A1A;
  --pico-h2-color: #1A1A1A;
  --pico-h3-color: #1A1A1A;
  --pico-muted-color: #6B6B6B;
  --pico-muted-border-color: #E6E4DF;
  --pico-primary: #2A7E7A;
  --pico-primary-hover: #1F605C;
  --pico-primary-underline: rgba(42, 126, 122, 0.4);
  --pico-primary-focus: rgba(42, 126, 122, 0.25);

  --pico-font-family-sans-serif: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --pico-font-family-monospace: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --pico-font-family: var(--pico-font-family-sans-serif);

  --max-page-width: 46rem;
}

[data-theme="dark"] {
  --pico-background-color: #0F1115;
  --pico-color: #E4E4E4;
  --pico-h1-color: #F2F2F2;
  --pico-h2-color: #F2F2F2;
  --pico-h3-color: #F2F2F2;
  --pico-muted-color: #8A8F99;
  --pico-muted-border-color: #232730;
  --pico-primary: #6FB8B3;
  --pico-primary-hover: #8FCCC7;
  --pico-primary-underline: rgba(111, 184, 179, 0.4);
  --pico-primary-focus: rgba(111, 184, 179, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --pico-background-color: #0F1115;
    --pico-color: #E4E4E4;
    --pico-h1-color: #F2F2F2;
    --pico-h2-color: #F2F2F2;
    --pico-h3-color: #F2F2F2;
    --pico-muted-color: #8A8F99;
    --pico-muted-border-color: #232730;
    --pico-primary: #6FB8B3;
    --pico-primary-hover: #8FCCC7;
    --pico-primary-underline: rgba(111, 184, 179, 0.4);
    --pico-primary-focus: rgba(111, 184, 179, 0.25);
  }
}

/* ---------- base typography -------------------------------- */

html {
  font-size: 16px;
}

body {
  font-family: var(--pico-font-family-sans-serif);
  font-feature-settings: "kern", "liga", "calt";
  line-height: 1.5;
}

h1.page-title,
.cv h1.page-title {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-weight: 500;
  font-size: 2rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem 0;
}

a {
  color: var(--pico-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-thickness 0.15s ease, color 0.15s ease;
}

a:hover {
  color: var(--pico-primary-hover);
  text-decoration-thickness: 2px;
}

/* Links inside specific containers stay clean (no underline) */
.site-header a,
.site-name,
.cv-cta a,
.contact a,
.cv h2 a {
  text-decoration: none;
}

/* ---------- site header & footer --------------------------- */

.site-header {
  border-bottom: 1px solid var(--pico-muted-border-color);
  padding: 0.7rem 1.5rem;
  margin-bottom: 2.5rem;
}

.site-header nav {
  max-width: var(--max-page-width);
  margin: 0 auto;
}

.site-header nav ul {
  padding: 0;
}

.site-header nav a {
  color: var(--pico-muted-color);
  font-size: 0.875rem;
  font-weight: 400;
}

.site-header nav a:hover {
  color: var(--pico-primary);
}

.site-header nav a[aria-current="page"] {
  color: var(--pico-color);
  font-weight: 500;
}

.site-name {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--pico-color);
}

.site-name strong {
  font-weight: 500;
  font-size: 0.875rem;
}

.site-name .sigil {
  color: var(--pico-primary);
  width: 1.1em;
  height: 1.1em;
}

.site-footer {
  border-top: 1px solid var(--pico-muted-border-color);
  padding: 1.25rem 1.5rem;
  margin-top: 4rem;
  text-align: center;
  color: var(--pico-muted-color);
  font-size: 0.85rem;
}

.site-footer small {
  font-size: inherit;
}

.site-footer a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--pico-muted-border-color);
}

.site-footer a:hover {
  color: var(--pico-primary);
}

/* ---------- main container --------------------------------- */

main.container {
  max-width: var(--max-page-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- theme toggle ----------------------------------- */

.theme-toggle {
  background: transparent;
  border: 0;
  color: var(--pico-primary);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  font-size: 1rem;
  line-height: 1;
  width: auto;
}

.theme-toggle:hover {
  color: var(--pico-primary-hover);
}

.theme-toggle:focus {
  outline: none;
  box-shadow: none;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--pico-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.theme-toggle .theme-icon-light { display: none; }
.theme-toggle .theme-icon-dark { display: inline-block; }

[data-theme="dark"] .theme-toggle .theme-icon-dark { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon-light { display: inline-block; }

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .theme-toggle .theme-icon-dark { display: none; }
  html:not([data-theme="light"]) .theme-toggle .theme-icon-light { display: inline-block; }
}

/* ---------- homepage --------------------------------------- */

.profile {
  float: right;
  width: 140px;
  margin: 0.3rem 0 1rem 1.5rem;
  border-radius: 2px;
}

.current-role {
  margin-bottom: 1.25rem;
}

.current-role p {
  margin: 0;
  color: var(--pico-muted-color);
  line-height: 1.5;
}

.current-role a {
  color: var(--pico-primary);
}

.bio {
  margin-top: 1.5rem;
}

.bio p {
  margin-bottom: 1rem;
}

.cv-cta {
  margin-top: 2.5rem;
}

.cv-cta a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  color: var(--pico-primary);
}

.cv-cta a:hover {
  color: var(--pico-primary-hover);
}

.cv-cta .sigil {
  width: 0.9em;
  height: 0.9em;
}

/* ---------- contact (inline horizontal) -------------------- */

.contact {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 1.75rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  font-size: 0.875rem;
}

.contact li {
  list-style: none;
  margin: 0;
}

.contact a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  color: var(--pico-primary);
  white-space: nowrap;
}

.contact a:hover {
  color: var(--pico-primary-hover);
}

.contact i {
  width: 1.1em;
  text-align: center;
  font-size: 0.95em;
}

/* ---------- CV page ---------------------------------------- */

.cv {
  font-size: 1rem;
  line-height: 1.4;
}

.cv h2 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--pico-font-family-sans-serif);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-transform: none;
  border-top: 1px solid var(--pico-muted-border-color);
  margin: 2rem 0 1rem 0;
  padding-top: 1.25rem;
  color: var(--pico-color);
}

.cv h2 .sigil {
  color: var(--pico-primary);
  flex-shrink: 0;
  width: 0.95em;
  height: 0.95em;
}

.cv h3 {
  font-family: var(--pico-font-family-sans-serif);
  font-weight: 600;
  font-size: 1rem;
  margin: 1.25rem 0 0.5rem 0;
  color: var(--pico-color);
  letter-spacing: 0;
}

.cv section {
  margin-bottom: 0.5rem;
}

/* ---------- date-rail entry pattern ------------------------ */

.cv .entry {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0 1.25rem;
  margin-bottom: 1rem;
  break-inside: avoid;
  page-break-inside: avoid;
}

.cv .entry .date {
  font-family: var(--pico-font-family-monospace);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: var(--pico-muted-color);
  text-align: right;
  padding-top: 0.25em;
  letter-spacing: 0.01em;
  line-height: 1.5;
}

.cv .entry .date span {
  display: block;
  white-space: nowrap;
}

.cv .entry .body {
  min-width: 0;
}

.cv .entry .body strong {
  font-weight: 600;
}

.cv .entry .body em {
  color: var(--pico-color);
}

/* ---------- CV sub-sections specifics ---------------------- */

.cv ul.topics {
  margin: 0.4rem 0 0 0;
  padding-left: 1.1rem;
  list-style: none;
}

.cv ul.topics li {
  list-style: none;
  margin: 0;
  font-size: 0.95em;
  color: var(--pico-color);
  position: relative;
}

.cv ul.topics li::before {
  content: "–";
  position: absolute;
  left: -1rem;
  color: var(--pico-muted-color);
}

.cv ul.supervision {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.5rem;
  color: var(--pico-color);
}

.cv ul.supervision li {
  list-style: none;
}

.cv .pub-note {
  color: var(--pico-muted-color);
  font-style: italic;
  font-size: 0.9em;
}

.cv .pub-id {
  font-family: var(--pico-font-family-monospace);
  font-size: 0.85em;
  letter-spacing: 0.01em;
}

/* ---------- mobile ----------------------------------------- */

@media (max-width: 640px) {
  html { font-size: 16px; }

  .profile {
    float: none;
    display: block;
    margin: 0 auto 1.25rem;
    width: 45%;
    max-width: 160px;
  }

  .cv .entry {
    grid-template-columns: 1fr;
    gap: 0.05rem 0;
    margin-bottom: 1.25rem;
  }

  .cv .entry .date {
    text-align: left;
    padding-top: 0;
    margin-bottom: 0.15rem;
  }

  .cv .entry .date span {
    display: inline;
  }

  .cv .entry .date span + span::before {
    content: "–";
    margin: 0 0.3em;
    color: var(--pico-muted-color);
  }

  .site-header {
    padding: 0.6rem 1rem;
  }

  main.container {
    padding: 0 1rem;
  }
}

/* ---------- print rules (PDF parity) ----------------------- */

@page {
  size: A4;
  margin: 1.8cm 1.6cm 2.0cm 1.6cm;
  @bottom-right {
    content: "Carmelo Mordini — CV — " counter(page) " / " counter(pages);
    font-size: 8pt;
    color: #666;
  }
}

@page :first {
  margin-top: 2.0cm;
}

@media print {
  :root,
  [data-theme="light"] {
    --pico-background-color: #FFFFFF;
    --pico-color: #000000;
    --pico-muted-color: #555555;
    --pico-muted-border-color: #D0D0D0;
  }

  .site-header,
  .site-footer { display: none !important; }

  body, body[data-page="cv"] {
    background: #FFF;
    color: #000;
    font-size: 10pt;
    line-height: 1.35;
  }

  main, main.container {
    max-width: none !important;
    padding: 0 !important;
  }

  .cv h1.page-title {
    font-size: 20pt;
  }

  .cv h2 {
    break-after: avoid;
    page-break-after: avoid;
    font-size: 11pt;
    margin-top: 1.4em;
    padding-top: 0.7em;
  }

  .cv h3 {
    break-after: avoid;
    page-break-after: avoid;
    font-size: 10pt;
  }

  .cv .entry {
    break-inside: avoid;
    page-break-inside: avoid;
    grid-template-columns: 4rem 1fr;
  }

  .cv .entry .date {
    font-size: 8pt;
  }

  .contact {
    font-size: 9.5pt;
    gap: 0.3rem 1.4rem;
  }

  section#publications {
    break-before: page;
    page-break-before: always;
  }
}