/*
 * Dawid Olko — CV stylesheet.
 *
 * One sheet drives both language versions and both media. The screen view is a
 * centred A4-proportioned sheet on a tinted ground; the print view drops the
 * ground, the language switch and the link chrome so the PDF comes out clean.
 *
 * Colours live in custom properties on :root and are redefined for dark mode.
 * Print always resolves to the light set — a dark CV wastes toner and reads
 * badly on paper.
 */

:root {
  --paper: #ffffff;
  --ground: #eef1f4;
  --ink: #151a21;
  --ink-soft: #414b57;
  --ink-muted: #67717d;
  --rule: #d9dfe5;
  --accent: #0f5f70;
  --accent-soft: #e6f0f2;
  /*
   * Osobna para pod przycisk PDF. Wczesniej tlo bralo `--ink`, a tekst byl
   * na sztywno bialy — w trybie ciemnym `--ink` jest prawie bialy, wiec
   * przycisk znikal i pojawial sie dopiero pod kursorem.
   */
  --btn-bg: #0f5f70;
  --btn-fg: #ffffff;

  --sans: "IBM Plex Sans", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;

  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #171b21;
    --ground: #0e1116;
    --ink: #eef1f4;
    --ink-soft: #c3ccd6;
    --ink-muted: #98a3ae;
    --rule: #2c333c;
    --accent: #4fc3d4;
    --accent-soft: #17323a;
    --btn-bg: #4fc3d4;
    --btn-fg: #0b1016;
  }
}

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

body {
  margin: 0;
  padding: var(--sp-5) var(--sp-4);
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 10.5pt;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Skip link ---------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  padding: var(--sp-2) var(--sp-4);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  left: var(--sp-4);
  top: var(--sp-2);
}

/* ---------- Language switch ---------- */

.langbar {
  max-width: 210mm;
  margin: 0 auto var(--sp-3);
  display: flex;
  gap: var(--sp-2);
  justify-content: flex-end;
  align-items: center;
}

.langbar a,
.langbar span {
  padding: var(--sp-1) var(--sp-3);
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 9pt;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  background: var(--paper);
}

.langbar [aria-current="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.langbar a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.pdf-link {
  margin-left: var(--sp-2);
  background: var(--btn-bg) !important;
  border-color: var(--btn-bg) !important;
  color: var(--btn-fg) !important;
}

.pdf-link:hover {
  filter: brightness(1.12);
}

/* ---------- Sheet ---------- */

.sheet {
  max-width: 210mm;
  margin: 0 auto;
  background: var(--paper);
  padding: 14mm 14mm 12mm;
  box-shadow: 0 1px 2px rgb(0 0 0 / 8%), 0 8px 28px rgb(0 0 0 / 8%);
}

/* ---------- Masthead ---------- */

.masthead {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-5);
  align-items: center;
  border-bottom: 2px solid var(--ink);
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-4);
}

/*
 * Portret stoi w kodzie PO bloku z imieniem i kontaktem, a na prawo trafia
 * dopiero przez siatke. Parsery ATS czytaja kolejnosc z dokumentu, wiec
 * pierwsze, co widza, to imie i dane kontaktowe — nie obrazek, ktorego i tak
 * nie odczytaja.
 */
.portrait {
  width: 27mm;
  height: 36mm;
  object-fit: cover;
  object-position: 50% 22%;
  border-radius: 3px;
  border: 1px solid var(--rule);
  background: var(--ground);
}

@media (max-width: 560px) {
  .masthead {
    grid-template-columns: auto 1fr;
    gap: var(--sp-4);
  }

  .portrait {
    grid-row: 1;
    grid-column: 1;
    width: 22mm;
    height: 29mm;
  }

  .masthead-text {
    grid-row: 1;
    grid-column: 2;
  }
}

.masthead h1 {
  font-family: var(--serif);
  font-size: 27pt;
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0;
}

.role {
  margin: var(--sp-2) 0 0;
  font-size: 11.5pt;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.01em;
}

.contact {
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-4);
  font-size: 9.5pt;
  color: var(--ink-soft);
}

.contact a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.contact a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Two-column body ---------- */

.columns {
  display: grid;
  grid-template-columns: 1fr 62mm;
  gap: var(--sp-6);
  align-items: start;
}

@media (max-width: 700px) {
  .columns {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
  }

  .sheet {
    padding: var(--sp-5) var(--sp-4);
  }
}

section {
  margin-bottom: var(--sp-5);
}

section:last-child {
  margin-bottom: 0;
}

h2 {
  font-size: 9pt;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--sp-3);
  padding-bottom: var(--sp-1);
  border-bottom: 1px solid var(--rule);
}

/* ---------- Entries ---------- */

.entry {
  margin-bottom: var(--sp-4);
  break-inside: avoid;
}

.entry:last-child {
  margin-bottom: 0;
}

.entry-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-3);
}

.entry h3 {
  margin: 0;
  font-size: 11pt;
  font-weight: 650;
  line-height: 1.3;
}

.entry h3 a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.entry h3 a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.when {
  flex: none;
  font-size: 9pt;
  font-variant-numeric: tabular-nums;
  color: var(--ink-muted);
  white-space: nowrap;
}

.where {
  margin: 1px 0 var(--sp-2);
  font-size: 9.5pt;
  color: var(--ink-muted);
}

.entry p {
  margin: 0 0 var(--sp-2);
  color: var(--ink-soft);
}

.entry ul {
  margin: 0;
  padding-left: 1.05em;
  color: var(--ink-soft);
}

.entry li {
  margin-bottom: var(--sp-1);
}

.entry li::marker {
  color: var(--accent);
}

/* ---------- Summary ---------- */

.summary p {
  margin: 0 0 var(--sp-2);
  color: var(--ink-soft);
  max-width: 62ch;
}

.summary p:last-child {
  margin-bottom: 0;
}

/* ---------- Aside blocks ---------- */

.stack {
  margin: 0 0 var(--sp-3);
}

.stack:last-child {
  margin-bottom: 0;
}

.stack h3 {
  margin: 0 0 var(--sp-1);
  font-size: 9pt;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.stack p {
  margin: 0;
  font-size: 9.5pt;
  color: var(--ink-soft);
}

.chips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
}

.chips li {
  padding: 1px var(--sp-2);
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--accent-soft);
  font-size: 8.5pt;
  color: var(--ink-soft);
}

.plain {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 9.5pt;
  color: var(--ink-soft);
}

.plain li {
  margin-bottom: var(--sp-2);
}

.plain li:last-child {
  margin-bottom: 0;
}

.plain strong {
  display: block;
  color: var(--ink);
  font-weight: 650;
}

.plain span {
  color: var(--ink-muted);
  font-size: 9pt;
}

/* ---------- Clause ---------- */

.clause {
  margin: var(--sp-5) 0 0;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--rule);
  font-size: 7.5pt;
  line-height: 1.45;
  color: var(--ink-muted);
}

/* ---------- Focus ---------- */

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

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

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

@page {
  size: A4;
  margin: 11mm 12mm;
}

@media print {
  /*
   * Print resolves to the light palette regardless of the viewer's system
   * setting — a dark CV wastes toner and is unreadable on paper.
   */
  :root {
    --paper: #ffffff;
    --ground: #ffffff;
    --ink: #000000;
    --ink-soft: #23282f;
    --ink-muted: #4b545e;
    --rule: #b9c2cb;
    --accent: #0b4c5a;
    --accent-soft: #ffffff;
  }

  /*
   * Cel: jedna strona A4. Skala typografii i odstepow schodzi ponizej wartosci
   * ekranowych, ale nie ponizej progu czytelnosci w druku (~8pt dla tekstu
   * ciaglego). Wszystko jest wyprowadzone z tych kilku zmiennych, wiec dalsze
   * dociskanie sprowadza sie do zmiany liczb tutaj.
   */
  body {
    padding: 0;
    background: #fff;
    font-size: 8.4pt;
    line-height: 1.38;
  }

  .masthead h1 { font-size: 20pt; }
  .role { font-size: 9.5pt; margin-top: 2px; }
  .contact { font-size: 8pt; margin-top: var(--sp-2); gap: 1px var(--sp-3); }
  .masthead { padding-bottom: var(--sp-2); margin-bottom: var(--sp-3); gap: var(--sp-4); }
  .portrait { width: 24mm; height: 32mm; }

  /*
   * Zero swiatla miedzy literami w druku.
   *
   * Przy `letter-spacing` Chromium zapisuje w warstwie tekstowej PDF-a kazda
   * litere osobno — "WYKSZTALCENIE" wychodzi jako "W Y K S Z TA Ł C E N I E"
   * i systemy ATS nie rozpoznaja naglowka sekcji. Na ekranie swiatlo zostaje.
   */
  h2 {
    font-size: 7.6pt;
    margin-bottom: var(--sp-2);
    letter-spacing: normal;
  }

  .role,
  .contact,
  .stack h3 {
    letter-spacing: normal;
  }
  section { margin-bottom: var(--sp-3); }
  .entry { margin-bottom: var(--sp-2); }
  .entry h3 { font-size: 9pt; }
  .entry p { margin-bottom: var(--sp-1); }
  .where { font-size: 8pt; margin-bottom: 2px; }
  .when { font-size: 7.8pt; }

  .stack { margin-bottom: var(--sp-2); }
  .stack h3 { font-size: 7.8pt; }
  .stack p, .plain { font-size: 8pt; }
  .chips li { font-size: 7.4pt; padding: 0 4px; }
  .plain li { margin-bottom: var(--sp-1); }
  .plain span { font-size: 7.8pt; }

  .projects { margin-top: var(--sp-3); }
  .projects .entry-list { gap: var(--sp-2) var(--sp-5); }

  .clause {
    margin-top: var(--sp-3);
    padding-top: var(--sp-2);
    font-size: 6.4pt;
    line-height: 1.35;
  }

  .langbar,
  .skip-link {
    display: none !important;
  }

  .sheet {
    max-width: none;
    margin: 0;
    padding: 0;
    box-shadow: none;
  }

  .columns {
    gap: var(--sp-5);
  }

  section,
  .entry {
    break-inside: avoid;
  }

  h2 {
    break-after: avoid;
  }

  a {
    border-bottom: none !important;
  }
}

/* ---------- Projects, full width ---------- */

/*
 * The project list sits below the two columns rather than inside the left one.
 * In the column layout the sidebar ran out of content long before the main
 * column did, which left a tall empty gutter on screen and a half-empty second
 * page in the PDF. Full width across two tracks fills both.
 */
.projects {
  margin-top: var(--sp-5);
}

.projects .entry-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4) var(--sp-6);
}

@media (max-width: 700px) {
  .projects .entry-list {
    grid-template-columns: 1fr;
  }
}