/* FDP Memory — styles (SPEC-003 §8). Colours from the official FDP_RGB.ase.
   Contrast (WCAG AA): white on cyan fails (2.9:1) → text on cyan is black; white on
   Dunkelblau 8:1; white on / magenta on white 4.5:1. */

@font-face { font-family: "Jost"; font-weight: 700; font-style: normal; font-display: swap; src: url("/assets/fonts/jost-700.woff2") format("woff2"); }
@font-face { font-family: "Jost"; font-weight: 700; font-style: italic; font-display: swap; src: url("/assets/fonts/jost-700-italic.woff2") format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 400; font-style: normal; font-display: swap; src: url("/assets/fonts/source-sans-3-400.woff2") format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 700; font-style: normal; font-display: swap; src: url("/assets/fonts/source-sans-3-700.woff2") format("woff2"); }

:root {
  --cyan: #00a0e2;     /* FDP Cyan — primary */
  --navy: #074ea1;     /* FDP Dunkelblau — secondary */
  --magenta: #e6007d;  /* FDP Magenta — accent / call to action */
  --ink: #000;
  --paper: #fff;
  --tint: #e8f6fc;
  --gap: 8px;
  --radius: 10px;
  --font-head: "Jost", "Futura", system-ui, sans-serif;
  --font-body: "Source Sans 3", "Source Sans Pro", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 1.0625rem/1.5 var(--font-body);
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 16px; }
a { color: var(--navy); }
:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }

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

/* ---- header / footer ----------------------------------------------------------------- */
.site-header { background: var(--cyan); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.logo { display: block; margin-left: -12px; }
.logo img { display: block; width: auto; height: 72px; }
.lang-nav ul { display: flex; gap: 4px; margin: 0; padding: 0; list-style: none; }
.lang-nav a {
  display: inline-block; min-width: 44px; min-height: 44px; padding: 10px 8px;
  font: 700 0.95rem/24px var(--font-head); text-align: center;
  color: var(--ink); text-decoration: none; border-radius: 6px;
}
.lang-nav a[aria-current="page"] { background: var(--paper); }
.lang-nav a:focus-visible { outline-color: var(--ink); }

.site-footer { margin-top: 40px; padding: 16px 0 24px; border-top: 1px solid #d7dde3; font-size: 0.95rem; }
.operator { margin: 0 0 12px; font-style: normal; line-height: 1.5; }
.operator a { display: inline-block; padding: 2px 0; }
.footer-links { display: flex; gap: 20px; margin: 0; padding: 0; list-style: none; }
.footer-links a { display: inline-block; padding: 10px 0; }
.draft-notice { margin: 0 0 4px; color: #5a6570; font-style: italic; }

/* ---- banner (FDP slider style) ---------------------------------------------------------- */
body { overflow-x: hidden; }
.banner {
  position: relative; overflow: hidden;
  margin: 0 calc(50% - 50vw);              /* full bleed out of .wrap */
  height: clamp(220px, 42vw, 380px);
  background: var(--navy);
}
.banner-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.banner-text {
  position: absolute; left: 0; right: 0; bottom: 22%;
  width: 100%; max-width: 960px; margin: 0 auto; padding: 0 16px;
}
.bars { margin: 0; transform: rotate(-4deg); transform-origin: left bottom; line-height: 1.32; }
.bar {
  display: inline; padding: 0.02em 0.32em 0.08em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
  font-family: var(--font-head); font-weight: 700; color: var(--paper);
}
/* Dunkelblau instead of the sliders' cyan: white on cyan misses WCAG contrast (2.9:1). */
.bar-main { background: var(--navy); font-size: clamp(1.7rem, 7vw, 3.2rem); font-style: italic; }
.bar-sub { background: var(--magenta); font-size: clamp(0.9rem, 3.3vw, 1.35rem); font-style: italic; }
.banner .wecker--asset { position: absolute; right: max(12px, calc(50vw - 480px + 16px)); bottom: 12px; margin: 0; }
.banner .wecker--asset img { width: clamp(130px, 22vw, 230px); margin: 0; }

/* ---- intro ----------------------------------------------------------------------------- */
.intro { padding: 18px 0 0; text-align: center; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 700; font-style: italic; line-height: 1.1; }
.intro-text { margin: 0 auto 4px; max-width: 34em; }

.wecker {
  display: flex; align-items: center; gap: 10px; margin: 8px 0 0;
  font: italic 700 clamp(1.2rem, 4.6vw, 1.45rem)/1.2 var(--font-head);
  color: var(--magenta);
}
.wecker-icon { flex: 0 0 auto; width: 2.2em; height: 2.2em; }
.wecker--asset img { display: block; height: auto; }

/* while playing (and on the result), banner and intro step aside so the board fits one screen */
.game.is-playing .banner, .game.is-playing .intro,
.game.is-finished .banner, .game.is-finished .intro { display: none; }

/* ---- HUD ------------------------------------------------------------------------------- */
.hud {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap);
  margin: 12px 0; padding: 8px; background: var(--tint); border-radius: var(--radius);
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-label { font-size: 0.85rem; color: var(--navy); }
.stat-value { font: 700 1.5rem/1.1 var(--font-head); font-variant-numeric: tabular-nums; color: var(--navy); }
.stat-time .stat-value { color: var(--magenta); }

/* ---- buttons --------------------------------------------------------------------------- */
.start-row { margin: 14px 0 6px; text-align: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 10px 22px; border-radius: 999px; cursor: pointer;
  font: 700 1.2rem/1.2 var(--font-head);
}
.btn-cta { background: var(--magenta); color: var(--paper); border: 2px solid var(--magenta); }
.btn-cta:hover { background: #c4006b; border-color: #c4006b; }
.btn-outline { background: var(--paper); color: var(--navy); border: 2px solid var(--navy); }
.btn-outline:hover { background: var(--tint); }
#start { font-size: 1.2rem; padding: 14px 28px; }
.best-row { margin: 12px 0 0; text-align: center; }
.btn-link {
  background: none; border: 0; padding: 10px; cursor: pointer;
  font: inherit; font-size: 0.95rem; color: var(--navy); text-decoration: underline;
}

/* ---- board ----------------------------------------------------------------------------- */
.board {
  --card-w: 80px;
  display: flex; flex-wrap: wrap; justify-content: center; gap: var(--gap);
  margin: 0; padding: 0; list-style: none;
}
.card { position: relative; flex: 0 0 var(--card-w); aspect-ratio: 3 / 4; perspective: 800px; }
.card-btn {
  position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%;
  padding: 0; border: 0; border-radius: var(--radius); background: transparent; cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.card-btn[aria-disabled="true"] { cursor: default; }
.card-inner {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d; transition: transform 0.35s ease;
}
.card.is-open .card-inner, .card.is-matched .card-inner { transform: rotateY(180deg); }
.face {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius); overflow: hidden;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  /* Swap faces at the half-turn as well, so the flip is correct even where 3D backface
     culling is unavailable (e.g. no GPU compositing). */
  transition: visibility 0s linear 0.175s;
}
.face-front { visibility: hidden; }
.card.is-open .face-front, .card.is-matched .face-front { visibility: visible; }
.card.is-open .face-back, .card.is-matched .face-back { visibility: hidden; }
.face-back { background: var(--cyan); color: var(--paper); box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.35); }
.back-clock { width: 64%; height: auto; }
.face-front { transform: rotateY(180deg); background: var(--paper); border: 2px solid var(--navy); padding: 6px; }
/* name in poster style: slanted white-on-dark-blue bars, one per line */
.card-name {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  transform: rotate(-6deg);
  /* shrink long lines so each bar stays on one line (--chars = longest line, set in JS) */
  font: 700 min(calc(var(--card-w) * 0.14), calc(var(--card-w) * 1.4 / var(--chars, 8))) / 1.05 var(--font-head);
  text-align: center;
}
.name-bar {
  display: block; max-width: calc(var(--card-w) * 0.95);
  padding: 0.12em 0.28em 0.16em;
  background: var(--navy); color: var(--paper);
  white-space: nowrap;
}
.card-portrait { width: 100%; height: 100%; object-fit: cover; }
.face-front:has(.card-portrait) { padding: 0; }
.card.is-matched .face-front { border-color: var(--magenta); box-shadow: inset 0 0 0 2px var(--magenta); }
.card.is-matched .face-front::after {
  content: "✓"; position: absolute; top: 4px; right: 4px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--magenta); color: var(--paper);
  font: 700 13px/20px var(--font-body); text-align: center;
}

/* portrait placeholders (until the real photos arrive) */
.portrait-ph {
  display: flex; align-items: center; justify-content: center;
  font: italic 700 1.6rem/1 var(--font-head); color: var(--paper); background: var(--navy);
}
.portrait-ph[data-tone="1"] { background: #3d4a57; }
.portrait-ph[data-tone="2"] { background: #6b2c5a; }
.portrait-ph[data-tone="3"] { background: #1f5b7a; }
.card-portrait.portrait-ph { font-size: calc(var(--card-w) * 0.32); }

/* ---- solved board ("freigespielt") ---------------------------------------------------- */
.board.is-solved { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { .board.is-solved { grid-template-columns: 1fr 1fr; } }
.pair {
  display: grid; grid-template-columns: 72px 1fr; gap: 12px; align-items: start;
  padding: 10px; border: 2px solid var(--navy); border-radius: var(--radius);
  animation: pair-in 0.35s ease both;
}
.pair-portrait { width: 72px; height: 96px; border-radius: 8px; object-fit: cover; }
.pair-name { margin: 2px 0 4px; font-size: 1.2rem; color: var(--navy); }
.pair-info { margin: 0 0 6px; }
.pair-link { display: inline-block; padding: 6px 0; font-weight: 700; color: var(--navy); }
@keyframes pair-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---- done ------------------------------------------------------------------------------ */
.done { margin: 8px 0 16px; text-align: center; }
.done h2 { margin: 8px 0; font-size: clamp(1.8rem, 7vw, 2.4rem); color: var(--magenta); }
.done h2:focus { outline: none; }
.done-text { margin: 0 0 4px; font-size: 1.15rem; }
.new-best { margin: 0 0 8px; font: italic 700 1.1rem/1.2 var(--font-head); color: var(--navy); }
.done-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 12px 0 4px; }
.share-status { min-height: 1.5em; margin: 4px 0; font-size: 0.95rem; overflow-wrap: anywhere; }
.done .wecker { justify-content: center; margin: 12px 0 20px; }
.done .candidates-title { margin: 8px 0 12px; font-size: 1.4rem; color: var(--navy); text-align: left; }

/* ---- legal / noscript ------------------------------------------------------------------ */
.legal { max-width: 40em; padding: 20px 0; }
.legal h1 { color: var(--navy); }
.noscript-list { padding-left: 1.2em; }

/* ---- reduced motion: no flip, cross-fade only ------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  .card-inner { transition: none; transform: none !important; }
  .face { transition: none; }
  .face-front { transform: none; }
  .pair { animation: none; }
}