/* ============================================================
   DUEL ARENA — feuille de style commune (design system)
   Utilisee par le site ET par tous les jeux (injectee par le SDK).
   Themes clair / sombre via l'attribut data-theme sur <html>.
   ============================================================ */

/* ---------- Jetons de design (light par defaut) ------------- */
:root {
  --bg: #f4f6fb;
  --bg-soft: #ffffff;
  --bg-elev: #ffffff;
  --surface: #ffffff;
  --surface-2: #eef1f8;
  --text: #141a2e;
  --text-soft: #5a6485;
  --border: #e2e6f0;
  --primary: #5b6bff;
  --primary-2: #8a5bff;
  --primary-ink: #ffffff;
  --accent: #ff5b93;
  --success: #1db98a;
  --danger: #f0455f;
  --warning: #f5a524;
  --shadow: 0 10px 30px -12px rgba(30, 40, 90, .25);
  --shadow-sm: 0 4px 14px -6px rgba(30, 40, 90, .22);
  --radius: 18px;
  --radius-sm: 12px;
  --grad: linear-gradient(135deg, var(--primary), var(--primary-2));
  --grad-accent: linear-gradient(135deg, var(--accent), var(--primary-2));
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0c0e18;
  --bg-soft: #12152280;
  --bg-elev: #171a2b;
  --surface: #161a2c;
  --surface-2: #1e2338;
  --text: #eef1fb;
  --text-soft: #97a0c4;
  --border: #262c46;
  --primary: #7d8bff;
  --primary-2: #b07bff;
  --primary-ink: #0c0e18;
  --accent: #ff6fa5;
  --success: #2fe0a8;
  --danger: #ff6079;
  --warning: #ffbf47;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, .7);
  --shadow-sm: 0 8px 24px -12px rgba(0, 0, 0, .6);
  color-scheme: dark;
}

/* ---------- Reset ------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background .4s ease, color .3s ease;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .4em; }

/* ---------- Boutons ----------------------------------------- */
.btn {
  --_bg: var(--surface-2);
  --_fg: var(--text);
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  border: 1px solid var(--border);
  background: var(--_bg); color: var(--_fg);
  padding: .72em 1.25em; border-radius: var(--radius-sm);
  font-weight: 600; font-size: .95rem; text-decoration: none;
  transition: transform .12s ease, box-shadow .2s ease, filter .2s ease, background .2s;
  user-select: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(0) scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-primary { --_bg: var(--grad); --_fg: var(--primary-ink); border: none; }
.btn-accent { background: var(--grad-accent); color: #fff; border: none; }
.btn-ghost { background: transparent; }
.btn-danger { background: var(--danger); color: #fff; border: none; }
.btn-success { background: var(--success); color: #fff; border: none; }
.btn-sm { padding: .45em .8em; font-size: .82rem; }
.btn-icon { padding: .55em; width: 2.6em; height: 2.6em; border-radius: 50%; }

/* ---------- Champs ------------------------------------------ */
.input {
  width: 100%; padding: .8em 1em;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font-size: 1rem;
  transition: border .2s, box-shadow .2s;
}
.input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 22%, transparent);
}

/* ---------- Cartes / surfaces ------------------------------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
}

/* ---------- Toasts ------------------------------------------ */
#toast-layer {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  z-index: 9999; display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); box-shadow: var(--shadow);
  padding: .7em 1.1em; border-radius: 999px; font-weight: 600; font-size: .9rem;
  animation: toast-in .3s ease, toast-out .3s ease 2.4s forwards;
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.success { border-color: var(--success); color: var(--success); }
@keyframes toast-in { from { opacity: 0; transform: translateY(-14px); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-14px); } }

/* ============================================================
   SDK : Lobby de salle (create / join / players / ready / chat)
   ============================================================ */
.sdk-lobby {
  position: fixed; inset: 0; z-index: 500;
  display: grid; place-items: center; padding: 20px;
  background:
    radial-gradient(1000px 600px at 15% -10%, color-mix(in srgb, var(--primary) 22%, transparent), transparent),
    radial-gradient(900px 500px at 110% 110%, color-mix(in srgb, var(--accent) 18%, transparent), transparent),
    var(--bg);
  overflow: auto;
}
.sdk-lobby__box {
  width: min(560px, 100%);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px;
  animation: pop .4s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes pop { from { opacity: 0; transform: scale(.94) translateY(10px); } }
.sdk-lobby__title { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.sdk-lobby__title .emoji { font-size: 2rem; }
.sdk-lobby__sub { color: var(--text-soft); margin: 0 0 20px; }
.sdk-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sdk-choice .btn { padding: 1.3em 1em; flex-direction: column; gap: .4em; font-size: 1rem; }
.sdk-choice .btn .big { font-size: 1.7rem; }
.sdk-sep { text-align: center; color: var(--text-soft); margin: 16px 0; font-size: .85rem; letter-spacing: .1em; }

.sdk-code {
  font-family: var(--mono); font-size: 2.2rem; font-weight: 800; letter-spacing: .28em;
  text-align: center; background: var(--surface-2); border-radius: var(--radius-sm);
  padding: .35em; margin: 6px 0 4px; color: var(--primary); cursor: pointer;
  border: 1px dashed var(--border);
}
.sdk-players { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; margin: 18px 0; }
.sdk-player {
  background: var(--surface-2); border-radius: var(--radius-sm); padding: 16px; text-align: center;
  border: 2px solid transparent; transition: border .3s;
}
.sdk-player.ready { border-color: var(--success); }
.sdk-player .av { font-size: 2.4rem; }
.sdk-player .nm { font-weight: 700; margin-top: 4px; }
.sdk-player .st { font-size: .8rem; color: var(--text-soft); margin-top: 2px; }
.sdk-player .st.ok { color: var(--success); font-weight: 700; }
.sdk-player.empty { opacity: .5; }
.sdk-vs { font-weight: 900; color: var(--accent); font-size: 1.2rem; }

.sdk-chat { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 14px; }
.sdk-chat__log { height: 120px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; font-size: .88rem; padding-right: 4px; }
.sdk-chat__msg { background: var(--surface-2); padding: .4em .7em; border-radius: 10px; align-self: flex-start; max-width: 85%; }
.sdk-chat__msg.me { align-self: flex-end; background: var(--grad); color: var(--primary-ink); }
.sdk-chat__row { display: flex; gap: 8px; margin-top: 8px; }

/* ---------- HUD commun (barre du haut pendant le jeu) -------- */
.sdk-hud {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--bg-soft);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
}
.sdk-hud__title { font-weight: 800; display: flex; align-items: center; gap: 8px; }
.sdk-hud__spacer { flex: 1; }
.sdk-timer {
  font-family: var(--mono); font-weight: 700; font-size: 1.1rem;
  background: var(--surface-2); padding: .3em .7em; border-radius: 999px;
}
.sdk-timer.warn { color: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .5; } }

/* ---------- Overlays fin de partie -------------------------- */
.sdk-overlay {
  position: fixed; inset: 0; z-index: 700;
  display: grid; place-items: center; padding: 20px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(8px);
  animation: fade .35s ease;
}
@keyframes fade { from { opacity: 0; } }
.sdk-result {
  width: min(460px, 100%); text-align: center; padding: 34px 28px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  animation: pop .45s cubic-bezier(.2,.9,.3,1.2);
}
.sdk-result__emoji { font-size: 4.5rem; animation: bounce 1.2s ease infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.sdk-result h2 { font-size: 2rem; margin: 6px 0; }
.sdk-result.win h2 { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sdk-result.lose h2 { color: var(--text-soft); }
.sdk-result.draw h2 { color: var(--warning); }
.sdk-result__stats { display: flex; justify-content: center; gap: 24px; margin: 18px 0; color: var(--text-soft); }
.sdk-result__stats b { display: block; color: var(--text); font-size: 1.4rem; }
.sdk-result__actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }

/* ---------- Confettis --------------------------------------- */
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 800; overflow: hidden; }
.confetti i {
  position: absolute; top: -10px; width: 10px; height: 14px; opacity: .9;
  animation: confetti-fall linear forwards;
}
@keyframes confetti-fall {
  to { transform: translateY(105vh) rotate(720deg); opacity: 0; }
}

/* ---------- Utilitaires ------------------------------------- */
.hidden { display: none !important; }
.center { display: grid; place-items: center; }
.row { display: flex; gap: 10px; align-items: center; }
.wrap { flex-wrap: wrap; }
.muted { color: var(--text-soft); }
@media (max-width: 560px) {
  .sdk-choice { grid-template-columns: 1fr; }
  .sdk-code { font-size: 1.7rem; letter-spacing: .18em; }
}
