/* ==========================================================================
   Daniel Prieto — site styles
   Concept: a game design document crossed with a journal paper.
   Graph-paper background (level design), serif body (academia),
   mono labels + status chips (production tracking).
   ========================================================================== */

:root {
  --paper: #f3efe6;
  --paper-2: #ebe5d8;
  --card: #fbf9f4;
  --ink: #1c1a17;
  --ink-2: #4a463f;
  --ink-3: #7a746a;
  --rule: #d8d0c0;
  --grid: rgba(60, 50, 30, 0.06);
  --accent: #d9482b;      /* "press start" red-orange */
  --accent-ink: #fff;
  --blue: #2b5f86;        /* academic / link blue */
  --green: #3d7a4f;       /* shipped */
  --amber: #b7791f;       /* in development */
  --shadow: 0 1px 0 var(--rule), 4px 4px 0 var(--ink);

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --display: "Fraunces", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --max: 1080px;
  --gutter: clamp(16px, 4vw, 40px);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #15140f;
    --paper-2: #1d1b16;
    --card: #1f1d18;
    --ink: #ece6d8;
    --ink-2: #c3bcad;
    --ink-3: #8f887b;
    --rule: #39352c;
    --grid: rgba(236, 230, 216, 0.045);
    --accent: #f06a48;
    --accent-ink: #15140f;
    --blue: #79aedb;
    --green: #74b88a;
    --amber: #e0a94d;
  }
}
:root[data-theme="dark"] {
  --paper: #15140f;
  --paper-2: #1d1b16;
  --card: #1f1d18;
  --ink: #ece6d8;
  --ink-2: #c3bcad;
  --ink-3: #8f887b;
  --rule: #39352c;
  --grid: rgba(236, 230, 216, 0.045);
  --accent: #f06a48;
  --accent-ink: #15140f;
  --blue: #79aedb;
  --green: #74b88a;
  --amber: #e0a94d;
}

/* ---------- language: show only the active one (English if JS is off) ---------- */
html[data-lang="pt"] [lang="en"],
html[data-lang="en"] [lang="pt"],
html:not([data-lang]) [lang="pt"] { display: none !important; }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; height: 60px;
}
.logo {
  font-family: var(--mono); font-weight: 700; font-size: 0.95rem;
  color: var(--ink); text-decoration: none; white-space: nowrap;
}
.logo span { color: var(--accent); }
.nav { display: flex; align-items: center; gap: clamp(10px, 2.5vw, 26px); }
.nav a {
  font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-2); text-decoration: none;
}
.nav a:hover { color: var(--accent); }
.theme-toggle {
  font: inherit; font-family: var(--mono); font-size: 0.78rem;
  background: none; border: 1px solid var(--rule); color: var(--ink-2);
  border-radius: 4px; padding: 4px 8px; cursor: pointer;
}
.play-toggle {
  display: inline-grid; place-items: center; padding: 3px 6px; cursor: pointer;
  background: none; border: 1px solid var(--rule); border-radius: 4px; color: var(--ink-2);
  transition: color .15s, border-color .15s, transform .15s;
}
.play-toggle:hover { color: var(--accent); border-color: var(--accent); transform: rotate(-8deg); }
.play-toggle svg { display: block; }
.theme-toggle { white-space: nowrap; }
.lang-switch {
  display: inline-flex; border: 1px solid var(--rule); border-radius: 4px; overflow: hidden;
}
.lang-switch button {
  font: inherit; font-family: var(--mono); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  background: none; border: 0; color: var(--ink-3); padding: 4px 7px; cursor: pointer;
}
.lang-switch button + button { border-left: 1px solid var(--rule); }
.lang-switch button:hover { color: var(--accent); }
.lang-switch button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
@media (max-width: 640px) {
  .nav .hide-sm, .tt-word { display: none; }
}
@media (max-width: 420px) {
  .nav .hide-xs { display: none; }
}

/* ---------- hero ---------- */
.hero { padding: clamp(48px, 9vw, 110px) 0 clamp(40px, 7vw, 80px); }
.hero-grid {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(28px, 5vw, 64px);
  align-items: end;
}
@media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; } }

.hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.8rem, 9vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 14px 0 22px;
}
.hero h1 em { font-style: italic; font-weight: 400; color: var(--accent); }
.hero .lede { font-size: clamp(1.1rem, 2.2vw, 1.3rem); color: var(--ink-2); max-width: 34ch; margin: 0 0 28px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em; text-decoration: none;
  padding: 12px 18px; border: 2px solid var(--ink); border-radius: 4px;
  color: var(--ink); background: var(--card); box-shadow: 3px 3px 0 var(--ink);
  transition: transform .08s, box-shadow .08s;
}
.btn:hover { color: var(--ink); transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
button.btn { cursor: pointer; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { color: var(--accent-ink); }

/* "character sheet" card */
.sheet {
  background: var(--card); border: 2px solid var(--ink); border-radius: 6px;
  box-shadow: var(--shadow); padding: 20px 22px; font-family: var(--mono); font-size: 0.85rem;
}
.sheet-title {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px dashed var(--rule); padding-bottom: 10px; margin-bottom: 12px;
}
.sheet-title strong { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; }
.sheet dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; }
.sheet dt { color: var(--ink-3); text-transform: uppercase; font-size: 0.72rem; padding-top: 2px; }
.sheet dd { margin: 0; color: var(--ink); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); margin-right: 6px; animation: blink 2s infinite; }
@keyframes blink { 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .dot { animation: none; } html { scroll-behavior: auto; } }

/* ---------- sections ---------- */
section.block { padding: clamp(48px, 8vw, 90px) 0; border-top: 1px solid var(--rule); }
.section-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head .num { font-family: var(--mono); color: var(--accent); font-size: 0.9rem; }
.section-head h2 {
  font-family: var(--display); font-weight: 600; font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.01em; margin: 0; line-height: 1;
}
.section-head p { margin: 0; color: var(--ink-3); flex-basis: 100%; max-width: 60ch; }

/* ---------- game cards ---------- */
.games { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.game {
  display: flex; flex-direction: column;
  background: var(--card); border: 2px solid var(--ink); border-radius: 6px;
  box-shadow: 4px 4px 0 var(--ink); overflow: hidden; text-decoration: none; color: var(--ink);
  transition: transform .12s, box-shadow .12s;
}
a.game:hover { color: var(--ink); transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.cover {
  aspect-ratio: 16 / 9; position: relative; border-bottom: 2px solid var(--ink);
  background: var(--paper-2) center / cover no-repeat;
  display: grid; place-items: center;
}
.cover .ph {
  font-family: var(--mono); font-size: 0.72rem; color: var(--ink-3);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.cover.c1 { background-image: linear-gradient(135deg, #d9482b 0%, #f2a65a 100%); }
.cover.c2 { background-image: linear-gradient(135deg, #2b5f86 0%, #7fb7be 100%); }
.cover.c3 { background-image: linear-gradient(135deg, #3d7a4f 0%, #c9d27f 100%); }
.cover.c1 .ph, .cover.c2 .ph, .cover.c3 .ph { color: rgba(255,255,255,.85); }
.status {
  position: absolute; top: 10px; left: 10px;
  font-family: var(--mono); font-size: 0.66rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; padding: 3px 8px; border-radius: 3px;
  background: var(--card); color: var(--ink); border: 1.5px solid var(--ink);
}
.status.shipped::before { content: "● "; color: var(--green); }
.status.dev::before { content: "● "; color: var(--amber); }
.status.jam::before { content: "● "; color: var(--blue); }
.game-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.game h3 { font-family: var(--display); font-weight: 600; font-size: 1.45rem; margin: 0; line-height: 1.15; }
.game p { margin: 0; color: var(--ink-2); font-size: 1rem; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 10px; }
.chip {
  font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em;
  border: 1px solid var(--rule); border-radius: 3px; padding: 2px 7px; color: var(--ink-2); background: var(--paper);
}
.chip.role { border-color: var(--accent); color: var(--accent); }

/* ---------- research ---------- */
.research-grid { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(24px, 5vw, 56px); }
@media (max-width: 820px) { .research-grid { grid-template-columns: 1fr; } }
.abstract {
  background: var(--card); border-left: 4px solid var(--blue); padding: 18px 22px; border-radius: 0 4px 4px 0;
  align-self: start;
}
.abstract h3 { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; margin: 0 0 8px; color: var(--blue); }
.abstract p { margin: 0 0 12px; font-size: 1rem; }
.abstract .kw { font-size: 0.9rem; color: var(--ink-3); margin: 0; }
.abstract .kw b { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; }

.refs { list-style: none; counter-reset: ref; margin: 0; padding: 0; }
.refs li {
  counter-increment: ref; position: relative; padding: 0 0 22px 52px; margin-bottom: 22px;
  border-bottom: 1px solid var(--rule);
}
.refs li:last-child { border-bottom: 0; margin-bottom: 0; }
.refs li::before {
  content: "[" counter(ref) "]"; position: absolute; left: 0; top: 2px;
  font-family: var(--mono); font-size: 0.85rem; color: var(--accent);
}
.refs .title { font-weight: 600; }
.refs .venue { font-style: italic; color: var(--ink-2); }
.refs .links { display: flex; gap: 14px; margin-top: 6px; }
.refs .links a { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; }
.refs .type { font-family: var(--mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); margin-left: 6px; }

/* ---------- changelog / CV ---------- */
.log { margin: 0; padding: 0; list-style: none; border-left: 2px solid var(--ink); }
.log li { position: relative; padding: 0 0 30px 28px; }
.log li::before {
  content: ""; position: absolute; left: -7px; top: 8px; width: 12px; height: 12px;
  background: var(--paper); border: 2px solid var(--ink); border-radius: 2px; transform: rotate(45deg);
}
.log li.now::before { background: var(--accent); }
.log .ver { font-family: var(--mono); font-size: 0.78rem; color: var(--accent); }
.log h3 { font-family: var(--display); font-weight: 600; font-size: 1.25rem; margin: 2px 0 2px; }
.log .where { color: var(--ink-3); font-size: 0.95rem; }
.log ul { margin: 8px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 1rem; }
.log ul li { padding: 0; }
.log ul li::before { display: none; }
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: clamp(24px, 5vw, 56px); }
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; } }
.skills h3 { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-3); margin: 0 0 10px; }
.skills .meta { padding-top: 0; margin-bottom: 26px; }

/* ---------- contact ---------- */
.contact { text-align: center; }
.contact h2 { font-family: var(--display); font-weight: 600; font-size: clamp(2.2rem, 7vw, 4rem); margin: 10px 0 14px; line-height: 1; }
.contact p { color: var(--ink-2); margin: 0 auto 28px; max-width: 46ch; }
.contact .btn-row { justify-content: center; }

.site-footer { border-top: 1px solid var(--rule); padding: 26px 0 40px; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- article pages (game detail, private) ---------- */
.article { padding: clamp(40px, 7vw, 80px) 0; }
.article .wrap { max-width: 760px; }
.article h1 { font-family: var(--display); font-weight: 600; font-size: clamp(2.4rem, 7vw, 4rem); line-height: 1; margin: 12px 0 18px; }
.article h2 { font-family: var(--display); font-weight: 600; font-size: 1.6rem; margin: 40px 0 10px; }
.article .cover { border: 2px solid var(--ink); border-radius: 6px; box-shadow: 4px 4px 0 var(--ink); margin: 28px 0; }
.facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0;
  border: 2px solid var(--ink); border-radius: 6px; background: var(--card); overflow: hidden;
}
.facts div { padding: 12px 16px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.facts dt { font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); }
.facts dd { margin: 2px 0 0; font-size: 1rem; }
.note {
  background: var(--card); border: 1px dashed var(--accent); border-radius: 4px; padding: 14px 18px;
  font-size: 0.95rem; color: var(--ink-2);
}
.back { font-family: var(--mono); font-size: 0.8rem; text-decoration: none; }

/* ---------- private login (src/worker.js) ---------- */
.login-card { max-width: 380px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.login-input {
  font: inherit; font-family: var(--mono); font-size: 1rem; padding: 10px 12px;
  background: var(--paper); color: var(--ink); border: 2px solid var(--ink); border-radius: 4px;
}
.login-input:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.login-card .btn { justify-content: center; margin-top: 6px; }
.login-error { margin: 0; color: var(--accent); font-family: var(--mono); font-size: 0.82rem; }

/* ---------- bug hunt (game.js) ---------- */
.gp-canvas {
  position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 50;
  pointer-events: none; image-rendering: pixelated;
}
body.playing { user-select: none; -webkit-user-select: none; }
.gp-ui button {
  font-family: "Press Start 2P", var(--mono); color: var(--ink); background: var(--card);
  border: 2px solid var(--ink); box-shadow: 3px 3px 0 var(--ink); cursor: pointer;
  touch-action: none; -webkit-tap-highlight-color: transparent;
}
.gp-ui button:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.gp-quit { position: fixed; top: 70px; right: 16px; z-index: 51; font-size: 10px; padding: 8px 10px; border-radius: 4px; }
.gp-pad { position: fixed; bottom: 20px; z-index: 51; display: flex; gap: 10px; }
.gp-left { left: 16px; }
.gp-right { right: 16px; }
.gp-pad button { width: 58px; height: 58px; border-radius: 50%; font-size: 14px; opacity: 0.92; }
.gp-right [data-k="jump"] { background: var(--accent); color: var(--accent-ink); }