/* Würfelspiel -- modernes, dunkles UI. Mobile-first, keine Frameworks. */

:root {
  --bg: #0d1220;
  --bg-elevated: #121a2c;
  --panel: #171f34;
  --panel-elevated: #202b46;
  --border: #2b3856;
  --text: #eef2fb;
  --text-muted: #8e9bb8;
  --accent: #5b8cff;
  --accent-strong: #6f9bff;
  --accent-contrast: #061225;
  --success: #34d399;
  --warning: #f5b942;
  --danger: #f2646b;
  --danger-bg: #3a1c22;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --space-1: 0.5rem;
  --space-2: 0.875rem;
  --space-3: 1.25rem;
  --space-4: 2rem;
  --touch-min: 3rem;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

/* Muss vor allen anderen Regeln stehen: mehrere Elemente unten setzen ein
   explizites `display` (z. B. `.match-view { display: flex }`), das sonst
   das native `[hidden]` (display:none per User-Agent-Stylesheet) mit
   gleicher Spezifitaet ueberschreiben wuerde -- Elemente blieben dann trotz
   `hidden`-Attribut sichtbar. */
[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(circle at 50% -10%, #16203a 0%, var(--bg) 55%);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

#app {
  min-height: 100dvh;
  display: flex;
  justify-content: center;
}

.screen {
  width: 100%;
}

.page {
  width: 100%;
  max-width: 30rem;
  margin: 0 auto;
  padding: var(--space-3) var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-game {
  max-width: 40rem;
}

.app-title {
  text-align: center;
  font-size: 1.75rem;
  margin: var(--space-2) 0 0;
}

/* ---------- Panels / Cards ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.6);
}

.panel h2 {
  margin: 0 0 var(--space-2);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.divider {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---------- Forms ---------- */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  padding: 0.75rem 0.9rem;
  min-height: var(--touch-min);
}

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

.form input.code-input {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
  text-align: center;
}

.form .btn {
  margin-top: var(--space-2);
}

/* ---------- Buttons ---------- */

.btn {
  min-height: var(--touch-min);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.85rem 1.25rem;
  transition: transform 0.08s ease, opacity 0.15s ease, background 0.15s ease;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--accent-strong);
}

.btn-block {
  width: 100%;
}

.btn-choice {
  width: 100%;
  min-height: 3.75rem;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
  background: var(--panel-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-choice:hover:not(:disabled) {
  border-color: var(--accent);
}

.btn-choice.is-selected {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

.choice-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

/* ---------- Error / notice banners ---------- */

.error-banner {
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  color: #ffd7d9;
  border-radius: var(--radius-md);
  padding: var(--space-2);
  font-size: 0.9rem;
}

.notice {
  background: var(--panel-elevated);
  border: 1px solid var(--border);
  border-left: 4px solid var(--warning);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.muted-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
  margin: 0;
}

/* ---------- Lobby ---------- */

.room-code-display {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.eyebrow {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.room-code {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent-strong);
}

.player-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  counter-reset: player-counter;
}

.player-list-item {
  counter-increment: player-counter;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
}

.player-list-item::before {
  content: counter(player-counter) '.';
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 1.4rem;
}

.player-list-item.is-me {
  border: 1px solid var(--accent);
}

/* Spielansicht-Roster: dezente, EINFARBIGE Abstufung ueber die Akzentfarbe
   statt mehrerer grell unterschiedlicher Farben -- "an der laufenden
   Begegnung beteiligt" ist ein Hauch Tönung, "gerade aktiv am Zug" ein
   Hauch mehr davon. */
.player-list-item.is-in-match {
  background: rgba(91, 140, 255, 0.1);
}

.player-list-item.is-current-actor {
  background: rgba(91, 140, 255, 0.2);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.player-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.offline-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

.lobby-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: stretch;
}

/* ---------- Game screen ---------- */

.game-header {
  display: flex;
  justify-content: center;
}

.room-code-small {
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}

.overlay {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3);
  text-align: center;
}

.overlay-card h2 {
  margin: 0 0 var(--space-1);
  font-size: 1.4rem;
  color: var(--warning);
}

.overlay-card p {
  margin: 0;
  color: var(--text-muted);
}

.game-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.game-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Mobile: kompakte, auf-/zuklappbare Leiste statt dauerhaftem Platzverbrauch
   (Anforderung Teil B.6). Rein informativ -- kein Kick, keine Admin-Aktion. */
.game-roster {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.roster-toggle {
  width: 100%;
  min-height: 2.75rem;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  padding: 0.6rem 0.9rem;
  cursor: pointer;
}

.roster-body {
  padding: 0 0.75rem 0.75rem;
}

.roster-body .player-list {
  gap: 0.3rem;
}

.match-view {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.matchup {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.matchup-name {
  font-size: 1.4rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.matchup-vs {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.banner {
  text-align: center;
  border-radius: var(--radius-md);
  padding: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  font-size: 1.1rem;
}

.banner-warning {
  background: rgba(245, 185, 66, 0.12);
  border: 1px solid var(--warning);
  color: var(--warning);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.banner-sub {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--text-muted);
}

.banner-pasch {
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.18), rgba(52, 211, 153, 0.18));
  border: 1px solid var(--accent);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  animation: pasch-pop 0.4s ease-out;
}

.pasch-title {
  font-size: 1.6rem;
  color: var(--accent-strong);
}

.pasch-subtitle {
  font-size: 0.85rem;
  color: var(--success);
}

@keyframes pasch-pop {
  0% {
    transform: scale(0.85);
    opacity: 0;
  }
  60% {
    transform: scale(1.04);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

.players-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.player-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.player-panel.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.player-panel-name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.offline-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dice-row {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  min-height: 4rem;
  align-items: center;
}

.dice-sum {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.die {
  width: 3.6rem;
  height: 3.6rem;
  background: var(--panel-elevated);
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  padding: 0.5rem;
  box-shadow: 0 6px 14px -8px rgba(0, 0, 0, 0.7);
}

.die.die-empty {
  border-style: dashed;
  opacity: 0.4;
}

/* Wurf-Praesentation (ui.js `animateDiceReveal`): kurzes, abbremsendes
   Kippen/Rollen, danach ein leichtes Nachfedern -- rein dekorativ, das
   Ergebnis selbst steht laengst server-autoritativ fest (siehe app.js
   `detectRoll`). */
.die.is-tumbling {
  animation: die-tumble 0.32s ease-in-out infinite;
}

@keyframes die-tumble {
  0%,
  100% {
    transform: rotate(0deg) scale(1);
  }
  25% {
    transform: rotate(-14deg) scale(1.06);
  }
  75% {
    transform: rotate(12deg) scale(1.06);
  }
}

.die.is-settling {
  animation: die-settle-bounce 0.28s ease-out;
}

@keyframes die-settle-bounce {
  0% {
    transform: scale(1.16);
  }
  60% {
    transform: scale(0.95);
  }
  100% {
    transform: scale(1);
  }
}

/* prefers-reduced-motion: keine Rotation, nur ein kurzer, dezenter
   Opazitaets-/Skalierungs-Uebergang (siehe ui.js `animateDiceReveal`). */
.die.is-revealing {
  transition: opacity 0.18s ease, transform 0.18s ease;
  opacity: 0.35;
  transform: scale(0.94);
}

.pip {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pip::after {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--text);
  visibility: hidden;
}

/* Standard 3x3 Wuerfel-Pip-Layout ueber CSS-Selektoren je Augenzahl. */
.die[data-value='1'] .pip:nth-child(5)::after,
.die[data-value='2'] .pip:nth-child(1)::after,
.die[data-value='2'] .pip:nth-child(9)::after,
.die[data-value='3'] .pip:nth-child(1)::after,
.die[data-value='3'] .pip:nth-child(5)::after,
.die[data-value='3'] .pip:nth-child(9)::after,
.die[data-value='4'] .pip:nth-child(1)::after,
.die[data-value='4'] .pip:nth-child(3)::after,
.die[data-value='4'] .pip:nth-child(7)::after,
.die[data-value='4'] .pip:nth-child(9)::after,
.die[data-value='5'] .pip:nth-child(1)::after,
.die[data-value='5'] .pip:nth-child(3)::after,
.die[data-value='5'] .pip:nth-child(5)::after,
.die[data-value='5'] .pip:nth-child(7)::after,
.die[data-value='5'] .pip:nth-child(9)::after,
.die[data-value='6'] .pip:nth-child(1)::after,
.die[data-value='6'] .pip:nth-child(3)::after,
.die[data-value='6'] .pip:nth-child(4)::after,
.die[data-value='6'] .pip:nth-child(6)::after,
.die[data-value='6'] .pip:nth-child(7)::after,
.die[data-value='6'] .pip:nth-child(9)::after {
  visibility: visible;
}

.turn-indicator {
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.turn-indicator.is-me {
  color: var(--accent-strong);
}

.action-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: stretch;
}

.action-area .btn {
  width: 100%;
}

.result-view {
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}

.result-winner {
  margin: 0;
  font-size: 1.5rem;
  color: var(--success);
}

.result-question {
  margin: 0;
  color: var(--text);
}

.result-view .btn {
  width: 100%;
  margin-top: var(--space-1);
}

/* ---------- Responsive ---------- */

@media (min-width: 600px) {
  .players-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 700px) {
  .page {
    padding-top: var(--space-4);
  }

  .room-code {
    font-size: 3.75rem;
  }
}

/* Desktop/groessere Tablets: Spielerliste als schmales Seitenpanel, das
   Hauptfeld mit den Wuerfeln bleibt klar dominant (Anforderung Teil B.6). */
@media (min-width: 900px) {
  .page-game {
    max-width: 58rem;
  }

  .game-layout {
    flex-direction: row-reverse;
    align-items: flex-start;
  }

  .game-roster {
    width: 15rem;
    flex-shrink: 0;
    position: sticky;
    top: var(--space-3);
  }

  .roster-toggle {
    cursor: default;
    pointer-events: none;
  }

  /* Auf Desktop immer sichtbar, unabhaengig vom (nur fuer Mobile
     gedachten) auf-/zuklappbaren `hidden`-Zustand. Hoehere Spezifitaet
     (ID + Attribut) als die globale `[hidden] { display: none !important }`
     Regel am Dateianfang, damit dies zuverlaessig gewinnt. */
  #roster-body[hidden] {
    display: block !important;
  }
}

@media (orientation: landscape) and (max-height: 480px) {
  .page-game {
    padding-top: var(--space-1);
    gap: var(--space-2);
  }

  .die {
    width: 2.75rem;
    height: 2.75rem;
  }
}