/* ==========================================================================
   Uno – Stylesheet
   Farbtokens wie im Dashboard, damit beide Seiten zusammenpassen.
   ========================================================================== */

:root {
  --bg: #f6f7f9;
  --bg-elevated: #ffffff;
  --bg-sunken: #eceff3;
  --text: #1a2233;
  --text-muted: #5b6577;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: #e2e6ec;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 8px 24px rgba(16, 24, 40, 0.06);

  --uno-red: #d93b3b;
  --uno-yellow: #e5a50a;
  --uno-green: #1e9e51;
  --uno-blue: #2f6fe4;

  --card-w: clamp(56px, 15vw, 78px);
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0f141c;
  --bg-elevated: #1a2230;
  --bg-sunken: #131a25;
  --text: #e8ecf3;
  --text-muted: #98a3b5;
  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --border: #2a3446;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141c;
    --bg-elevated: #1a2230;
    --bg-sunken: #131a25;
    --text: #e8ecf3;
    --text-muted: #98a3b5;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --border: #2a3446;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

/* Muss die display-Regeln der Klassen unten schlagen, sonst bleiben
   ausgeblendete Schaltflächen sichtbar. */
[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

/* --- Bildschirme ---------------------------------------------------------- */

.screen {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.screen[hidden] {
  display: none;
}

.screen--scroll {
  overflow-y: auto;
  justify-content: center;
}

.sheet {
  width: min(560px, 100%);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.sheet--center {
  margin: auto;
  text-align: center;
}

.title {
  font-size: clamp(2.4rem, 12vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem;
  background: linear-gradient(120deg, var(--uno-red), var(--uno-yellow) 35%, var(--uno-green) 65%, var(--uno-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.title--small {
  font-size: clamp(1.4rem, 6vw, 1.9rem);
  margin-bottom: 0.5rem;
}

.subtitle {
  margin: 0 0 2rem;
  color: var(--text-muted);
}

/* --- Formular ------------------------------------------------------------- */

.field {
  margin-bottom: 1.75rem;
}

.field__label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.field__hint {
  font-weight: 400;
  color: var(--text-muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  min-width: 3rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

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

.names {
  display: grid;
  gap: 0.5rem;
}

.names input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

.names input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.toggle {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  cursor: pointer;
}

.toggle input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.toggle strong {
  display: block;
  font-size: 0.98rem;
}

.toggle small {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

.legal {
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.5;
  text-align: center;
}

/* --- Schaltflächen -------------------------------------------------------- */

.btn {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn--block {
  display: block;
  width: 100%;
  margin-top: 0.75rem;
}

.btn--big {
  font-size: 1.15rem;
  padding: 1rem 2.5rem;
}

.btn--uno {
  background: var(--uno-red);
  color: #fff;
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
  .btn--uno { animation: none; }
}

/* --- Übergabe-Bildschirm --------------------------------------------------- */

.handoff {
  margin: auto;
  padding: 2rem 1.5rem;
  text-align: center;
}

.handoff__hint {
  color: var(--text-muted);
  margin: 0;
}

.handoff__name {
  font-size: clamp(2rem, 10vw, 3rem);
  font-weight: 800;
  margin: 0.25rem 0 1rem;
  overflow-wrap: anywhere;
}

.handoff__message {
  margin: 0 0 1.75rem;
  color: var(--text-muted);
  min-height: 1.5em;
}

.handoff__warn {
  margin-top: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- Spielbildschirm ------------------------------------------------------- */

.bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
}

.bar__name {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar__dir {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.bar__menu {
  margin-left: auto;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}

.opponents {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem 0;
}

.opponent {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elevated);
  font-size: 0.85rem;
}

.opponent--next {
  border-color: var(--accent);
}

.opponent__count {
  font-weight: 700;
}

.opponent__cards {
  color: var(--text-muted);
}

.table {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 6vw, 2.5rem);
  padding: 1rem;
  min-height: 0;
}

.pile {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.pile--draw {
  gap: 0.4rem;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

.pile__back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--card-w) * 1.15);
  height: calc(var(--card-w) * 1.15 * 1.45);
  border-radius: 12px;
  background: #1e2330;
  border: 3px solid #fff;
  color: #fff;
  font-weight: 800;
  font-style: italic;
  font-size: calc(var(--card-w) * 0.28);
  box-shadow: var(--shadow);
  transform: rotate(-4deg);
}

.pile--draw:active .pile__back {
  transform: rotate(-4deg) scale(0.96);
}

.pile__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.pile__count {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.color-badge {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.last-play {
  align-self: center;
  margin: 0 auto 0.4rem;
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
  max-width: calc(100% - 2rem);
}

.last-play:empty {
  display: none;
}

.message {
  margin: 0;
  padding: 0 1rem;
  min-height: 2.6em;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* --- Karten ---------------------------------------------------------------- */

.card {
  position: relative;
  width: var(--card-w);
  height: calc(var(--card-w) * 1.45);
  border-radius: 10px;
  border: 3px solid #fff;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
  font-family: inherit;
  overflow: hidden;
}

.card--big {
  --card-w: clamp(72px, 20vw, 104px);
}

.card--red { background: var(--uno-red); }
.card--yellow { background: var(--uno-yellow); }
.card--green { background: var(--uno-green); }
.card--blue { background: var(--uno-blue); }

.card--wild {
  background:
    conic-gradient(from 45deg,
      var(--uno-red) 0deg 90deg,
      var(--uno-blue) 90deg 180deg,
      var(--uno-green) 180deg 270deg,
      var(--uno-yellow) 270deg 360deg);
}

.card__face {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72%;
  height: 58%;
  border-radius: 50% / 34%;
  background: #fff;
  font-size: calc(var(--card-w) * 0.42);
  font-weight: 800;
  line-height: 1;
  transform: rotate(-20deg);
}

.card--red .card__face { color: var(--uno-red); }
.card--yellow .card__face { color: #a06f00; }
.card--green .card__face { color: var(--uno-green); }
.card--blue .card__face { color: var(--uno-blue); }
.card--wild .card__face { color: #1e2330; }

.card__corner {
  position: absolute;
  top: 3px;
  left: 5px;
  color: #fff;
  font-size: calc(var(--card-w) * 0.2);
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.card__shape {
  position: absolute;
  bottom: 3px;
  right: 5px;
  color: #fff;
  font-size: calc(var(--card-w) * 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

/* --- Hand ------------------------------------------------------------------ */

.hand-area {
  border-top: 1px solid var(--border);
  background: var(--bg-sunken);
  padding: 0.75rem 0 1rem;
}

.hand {
  display: flex;
  gap: 0.4rem;
  padding: 0.25rem 1rem 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.hand .card {
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.hand .card--playable:hover,
.hand .card--playable:focus-visible {
  transform: translateY(-8px);
}

.hand .card--blocked {
  opacity: 0.4;
  cursor: default;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  padding: 0 1rem;
  min-height: 2.75rem;
}

/* --- Einblendungen über dem Spielbildschirm --------------------------------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  /* Bewusst ohne Weichzeichner und nur leicht abgedunkelt, damit die
     eigenen Handkarten darunter klar lesbar bleiben. */
  background: rgba(8, 12, 18, 0.3);
}

.overlay__panel {
  width: min(420px, 100%);
  max-height: 100%;
  overflow-y: auto;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-elevated);
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.overlay__hint {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* --- Farbwahl und Tausch ---------------------------------------------------- */

.colors {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.color-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  border: 3px solid #fff;
  border-radius: 16px;
  color: #fff;
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.color-btn:active {
  transform: scale(0.97);
}

.color-btn--red { background: var(--uno-red); }
.color-btn--yellow { background: var(--uno-yellow); color: #4a3400; }
.color-btn--green { background: var(--uno-green); }
.color-btn--blue { background: var(--uno-blue); }

.swap-list {
  display: grid;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.swap-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.swap-btn span {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.9rem;
}

/* --- Punktetafel ------------------------------------------------------------ */

.scores {
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  text-align: left;
}

.score-row + .score-row {
  border-top: 1px solid var(--border);
}

.score-row--winner {
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-elevated));
  font-weight: 700;
}

.score-row__points {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.score-row__gain {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.85rem;
}

/* --- Querformat und niedrige Displays --------------------------------------- */

@media (max-height: 520px) {
  :root {
    --card-w: clamp(46px, 9vh, 62px);
  }

  .opponents {
    padding-top: 0.4rem;
  }

  .table {
    padding: 0.5rem;
    gap: 1.5rem;
  }

  .message {
    min-height: 1.4em;
    font-size: 0.82rem;
    padding-bottom: 0.25rem;
  }

  .hand-area {
    padding: 0.4rem 0 0.5rem;
  }

  .handoff {
    padding: 1rem;
  }

  .handoff__name {
    margin-bottom: 0.5rem;
  }

  .handoff__message,
  .handoff__warn {
    margin-bottom: 0.75rem;
  }

  .colors {
    margin-top: 0.75rem;
  }

  .color-btn {
    padding: 0.9rem 1rem;
  }

  .overlay__panel {
    padding: 1rem;
  }

  .overlay__panel .title--small {
    margin-bottom: 0.25rem;
  }
}