/* ════════════════════════════════════════════════════════════
   Chess Arena — Frontend Styles
   Self-hosted: system fonts only, no external CDN dependencies
   ════════════════════════════════════════════════════════════ */

/* ── Design tokens — Midnight (default) ──────────────────────── */
:root {
  --bg-void:      #060810;
  --bg-base:      #0c0f1a;
  --bg-panel:     #111827;
  --bg-card:      #161d2e;
  --bg-hover:     #1e2840;

  --gold:         #c9a96e;
  --gold-light:   #e8c98a;
  --gold-dim:     #8a6f3e;
  --gold-glow:    rgba(201,169,110,0.2);

  --sq-light:     #d4b896;
  --sq-dark:      #1a3350;
  --sq-selected:  rgba(201,169,110,0.55);
  --sq-legal:     rgba(201,169,110,0.22);
  --sq-last:      rgba(100,180,100,0.30);
  --sq-check:     rgba(220,60,60,0.50);
  --sq-hover:     rgba(201,169,110,0.35);

  --text-bright:  #f0ead8;
  --text-main:    #b8ad97;
  --text-muted:   #6b6456;
  --text-gold:    #c9a96e;

  --border-sub:   rgba(201,169,110,0.12);
  --border-gold:  rgba(201,169,110,0.35);

  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px;
  --shadow-p:  0 8px 40px rgba(0,0,0,0.6);
  --shadow-g:  0 0 20px rgba(201,169,110,0.15);
  --t:         all 0.2s cubic-bezier(0.4,0,0.2,1);
  --nav-h:     62px;
  --side-w:    256px;
  --chat-w:    292px;

  /* Typography — system stack, no CDN */
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans:  -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:  'Courier New', Courier, monospace;
}

/* ── Theme: Classic ─────────────────────────────────────────── */
body.ca-theme-classic {
  --bg-void: #1a1208; --bg-base: #22180c; --bg-panel: #2d2010; --bg-card: #382912; --bg-hover: #46341a;
  --gold: #d4a843; --gold-dim: #9a7620; --sq-light: #f0d9b5; --sq-dark: #b58863;
}
/* ── Theme: Emerald ─────────────────────────────────────────── */
body.ca-theme-emerald {
  --bg-void: #05120a; --bg-base: #0a1f12; --bg-panel: #0f2d18; --bg-card: #143820; --bg-hover: #1a4827;
  --gold: #7ecf6a; --gold-dim: #4a9a38; --sq-light: #eeeed2; --sq-dark: #769656;
}
/* ── Theme: Slate ───────────────────────────────────────────── */
body.ca-theme-slate {
  --bg-void: #0d0d0f; --bg-base: #151518; --bg-panel: #1c1c21; --bg-card: #222228; --bg-hover: #2a2a32;
  --gold: #a8b4c8; --gold-dim: #6a7a94; --sq-light: #cdd3da; --sq-dark: #4a5568;
}

/* ── Reset ───────────────────────────────────────────────────── */
.ca-root *, .ca-root *::before, .ca-root *::after { box-sizing: border-box; margin: 0; padding: 0; }
.ca-root { font-family: var(--font-serif); font-size: 16px; line-height: 1.5; color: var(--text-main); }

body.ca-full-page, body.ca-full-page .ca-root {
  background: var(--bg-void) !important;
  background-image: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(74,127,203,0.07) 0%, transparent 60%);
}
body.ca-full-page .site-header, body.ca-full-page .site-footer,
body.ca-full-page header, body.ca-full-page footer,
body.ca-full-page #wpadminbar { display: none !important; }
body.ca-full-page { margin: 0 !important; padding: 0 !important; min-height: 100vh; }
.ca-root { min-height: 100vh; background: var(--bg-void); }

/* ── Loading ─────────────────────────────────────────────────── */
.ca-loading {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-void); transition: opacity 0.5s;
}
.ca-loading.ca-out { opacity: 0; pointer-events: none; }
.ca-loading__box { text-align: center; }
.ca-king-spin { font-size: 64px; color: var(--gold); display: block; margin-bottom: 12px; animation: ca-spin 3s linear infinite; }
@keyframes ca-spin { 0%,100%{transform:rotate(-5deg)} 50%{transform:rotate(5deg)} }
.ca-loading__title { font-family: var(--font-serif); font-size: 26px; font-weight: bold; color: var(--text-bright); letter-spacing: 0.1em; margin-bottom: 20px; }
.ca-loading__bar { width: 180px; height: 2px; background: var(--bg-card); border-radius: 2px; overflow: hidden; margin: 0 auto; }
.ca-loading__fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--gold-dim), var(--gold)); animation: ca-loadbar 1.4s ease forwards; }
@keyframes ca-loadbar { to { width: 100%; } }

/* ── Guest wall ──────────────────────────────────────────────── */
.ca-guest-wall {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-void);
}
.ca-guest-wall__card {
  background: var(--bg-card); border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg); padding: 48px 40px;
  text-align: center; max-width: 420px; width: 90%;
  box-shadow: var(--shadow-p), var(--shadow-g);
}
.ca-gw-icon { font-size: 56px; color: var(--gold); display: block; margin-bottom: 14px; }
.ca-gw-title { font-family: var(--font-serif); font-size: 32px; font-weight: bold; color: var(--text-bright); margin-bottom: 10px; }
.ca-gw-sub { color: var(--text-muted); font-size: 15px; margin-bottom: 28px; line-height: 1.6; }
.ca-gw-actions { display: flex; gap: 12px; justify-content: center; margin-bottom: 20px; }
.ca-gw-divider { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; color: var(--text-muted); font-size: 13px; }
.ca-gw-divider::before, .ca-gw-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-sub); }

/* ── Buttons ─────────────────────────────────────────────────── */
.ca-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 22px; border: none; border-radius: var(--radius-sm);
  font-family: var(--font-serif); font-size: 15px; font-weight: bold;
  cursor: pointer; text-decoration: none; transition: var(--t); white-space: nowrap;
}
.ca-btn--primary { background: linear-gradient(135deg,#4a7fcb,#2a5fa0); color: #fff; box-shadow: 0 4px 12px rgba(74,127,203,0.3); }
.ca-btn--primary:hover { transform: translateY(-1px); filter: brightness(1.1); }
.ca-btn--gold { background: linear-gradient(135deg,var(--gold),var(--gold-dim)); color: #1a1208; font-weight: bold; }
.ca-btn--gold:hover { filter: brightness(1.1); transform: translateY(-1px); }
.ca-btn--ghost { background: transparent; color: var(--text-main); border: 1px solid var(--border-sub); }
.ca-btn--ghost:hover { border-color: var(--border-gold); color: var(--text-bright); background: var(--bg-hover); }
.ca-btn--outline { background: transparent; color: var(--gold); border: 1px solid var(--border-gold); }
.ca-btn--outline:hover { background: var(--gold-glow); }
.ca-btn--danger { background: rgba(180,40,40,0.2); color: #e87070; border: 1px solid rgba(180,40,40,0.4); }
.ca-btn--danger:hover { background: rgba(180,40,40,0.32); }
.ca-btn--sm { padding: 6px 14px; font-size: 13px; }

/* ── Nav ─────────────────────────────────────────────────────── */
.ca-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h); display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  background: rgba(10,13,25,0.92); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-sub);
}
.ca-nav__brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-serif); }
.ca-nav__king  { font-size: 24px; color: var(--gold); }
.ca-nav__title { font-size: 18px; font-weight: bold; color: var(--text-bright); letter-spacing: 0.04em; }
.ca-nav__center { display: flex; gap: 4px; }
.ca-nav__tab {
  padding: 6px 18px; background: transparent; border: none;
  color: var(--text-muted); font-family: var(--font-serif); font-size: 15px;
  cursor: pointer; border-radius: var(--radius-sm); transition: var(--t);
  position: relative;
}
.ca-nav__tab::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px;
  background: var(--gold); border-radius: 2px; transform: scaleX(0); transition: transform 0.2s;
}
.ca-nav__tab--active { color: var(--text-bright); }
.ca-nav__tab--active::after { transform: scaleX(1); }
.ca-nav__tab:hover { color: var(--text-bright); background: var(--bg-hover); }
.ca-nav__right { display: flex; align-items: center; gap: 16px; }
.ca-online-pill {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-muted);
}
.ca-online-dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 6px #4ade80; animation: ca-pulse 2s infinite; }
@keyframes ca-pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }
.ca-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--bg-panel); border: 1px solid var(--border-gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: bold; color: var(--gold); text-transform: uppercase;
}

/* ── MOTD ────────────────────────────────────────────────────── */
.ca-motd {
  background: rgba(201,169,110,0.07); border-bottom: 1px solid var(--border-sub);
  padding: 8px 32px; font-size: 13px; color: var(--text-muted);
  display: flex; align-items: center; gap: 8px;
}
.ca-motd__icon { color: var(--gold); }

/* ── Views ───────────────────────────────────────────────────── */
.ca-view { padding-top: var(--nav-h); min-height: 100vh; }

/* ── Lobby ───────────────────────────────────────────────────── */
.ca-lobby { display: flex; min-height: calc(100vh - var(--nav-h)); }

/* Sidebar */
.ca-sidebar {
  width: var(--side-w); min-width: var(--side-w);
  background: var(--bg-panel); border-right: 1px solid var(--border-sub);
  display: flex; flex-direction: column; overflow-y: auto;
}
.ca-sidebar__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 16px 12px; border-bottom: 1px solid var(--border-sub);
}
.ca-sidebar__header h3 { font-family: var(--font-serif); font-size: 14px; font-weight: bold; color: var(--text-bright); }

/* Invitations */
.ca-invites { background: rgba(201,169,110,0.06); border-bottom: 1px solid var(--border-gold); padding: 8px; }
.ca-invites__hdr { font-size: 11px; font-weight: bold; color: var(--gold); letter-spacing: 0.05em; text-transform: uppercase; padding: 4px 8px 8px; }
.ca-invite-item { background: var(--bg-card); border: 1px solid var(--border-gold); border-radius: var(--radius-sm); padding: 8px; margin-bottom: 6px; }
.ca-invite-item__from { font-size: 13px; font-weight: bold; color: var(--text-bright); margin-bottom: 6px; }
.ca-invite-item__btns { display: flex; gap: 6px; }
.ca-invite-accept  { background: rgba(45,106,79,0.4);  color: #95e5b8; border: none; border-radius: 4px; padding: 4px 10px; font-size: 12px; cursor: pointer; }
.ca-invite-decline { background: rgba(120,40,40,0.3);  color: #e87070; border: none; border-radius: 4px; padding: 4px 10px; font-size: 12px; cursor: pointer; }

/* Players list */
.ca-players { flex: 1; overflow-y: auto; padding: 8px; }
.ca-players__empty { padding: 20px 8px; color: var(--text-muted); font-size: 14px; text-align: center; }
.ca-player-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  border: 1px solid transparent; margin-bottom: 4px; cursor: default; transition: var(--t);
}
.ca-player-item:hover { background: var(--bg-hover); border-color: var(--border-gold); }
.ca-player-dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 6px #4ade80; flex-shrink: 0; }
.ca-player-dot--playing { background: #facc15; box-shadow: 0 0 6px #facc15; }
.ca-player-name { flex: 1; font-size: 14px; color: var(--text-main); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ca-player-invite {
  font-size: 11px; color: var(--gold-dim);
  background: rgba(201,169,110,0.1); border: 1px solid var(--border-sub);
  border-radius: 3px; padding: 2px 8px; cursor: pointer; transition: var(--t);
}
.ca-player-item:hover .ca-player-invite { background: rgba(201,169,110,0.2); color: var(--gold); border-color: var(--border-gold); }

/* Lobby main */
.ca-lobby-main { flex: 1; padding: 24px 28px; overflow-y: auto; }
.ca-lobby-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 12px; }
.ca-lobby-top h2 { font-family: var(--font-serif); font-size: 20px; font-weight: bold; color: var(--text-bright); }
.ca-filters { display: flex; gap: 4px; flex-wrap: wrap; }
.ca-filter {
  padding: 5px 14px; border: 1px solid var(--border-sub);
  background: transparent; border-radius: var(--radius-sm);
  color: var(--text-muted); font-family: var(--font-serif); font-size: 13px;
  cursor: pointer; transition: var(--t);
}
.ca-filter:hover { border-color: var(--border-gold); color: var(--text-main); }
.ca-filter--active { background: var(--bg-card); border-color: var(--border-gold); color: var(--text-bright); }

/* Games grid */
.ca-games-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.ca-games-empty { color: var(--text-muted); padding: 40px; text-align: center; grid-column: 1/-1; }

.ca-game-card {
  background: var(--bg-card); border: 1px solid var(--border-sub);
  border-radius: var(--radius-md); padding: 16px;
  cursor: pointer; transition: var(--t); position: relative; overflow: hidden;
}
.ca-game-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg,transparent,var(--gold-dim),transparent);
  transform: scaleX(0); transition: transform 0.3s;
}
.ca-game-card:hover { border-color: var(--border-gold); background: var(--bg-hover); transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,0,0,0.4); }
.ca-game-card:hover::before { transform: scaleX(1); }

.ca-game-card__status { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; font-weight: bold; margin-bottom: 10px; }
.ca-game-card__status--active  { color: #4ade80; }
.ca-game-card__status--active::before { content:''; display:inline-block; width:6px; height:6px; border-radius:50%; background:#4ade80; box-shadow:0 0 8px #4ade80; animation:ca-pulse 1.5s infinite; }
.ca-game-card__status--waiting { color: #facc15; }
.ca-game-card__status--completed { color: var(--text-muted); }
.ca-game-card__players { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; gap: 8px; }
.ca-game-card__player { display: flex; align-items: center; gap: 8px; min-width: 0; }
.ca-game-card__name { font-size: 14px; font-weight: bold; color: var(--text-bright); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ca-game-card__vs { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }
.ca-mini-board { display: grid; grid-template-columns: repeat(8,1fr); grid-template-rows: repeat(8,1fr); width: 72px; height: 72px; border: 1px solid var(--border-sub); border-radius: 3px; overflow: hidden; flex-shrink: 0; }
.ca-mini-sq--light { background: var(--sq-light); }
.ca-mini-sq--dark  { background: var(--sq-dark); }
.ca-game-card__footer { display: flex; align-items: center; justify-content: space-between; }
.ca-game-card__moves { font-size: 11px; color: var(--text-muted); }
.ca-game-card__cta { font-size: 12px; color: var(--gold); }

/* ── Board ───────────────────────────────────────────────────── */
.ca-board-wrap {
  flex: 0 0 auto; display: flex; align-items: center; justify-content: center;
  padding: 24px; position: relative;
}
.ca-chess-board {
  display: grid; grid-template-columns: repeat(8,1fr); grid-template-rows: repeat(8,1fr);
  width:  min(540px, calc(100vh - var(--nav-h) - 80px));
  height: min(540px, calc(100vh - var(--nav-h) - 80px));
  border: 2px solid var(--gold-dim); border-radius: var(--radius-sm); overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.8), var(--shadow-g);
  position: relative;
}
.ca-sq {
  position: relative; display: flex; align-items: center; justify-content: center;
  user-select: none; transition: background 0.1s;
}
.ca-sq--light { background: var(--sq-light); }
.ca-sq--dark  { background: var(--sq-dark); }
.ca-sq--selected { background: var(--sq-selected) !important; }
.ca-sq--last { background: var(--sq-last) !important; }
.ca-sq--check { background: var(--sq-check) !important; }
.ca-sq--move  { cursor: pointer; }
.ca-sq--move:hover { background: var(--sq-hover) !important; }
.ca-sq--legal::after {
  content: ''; position: absolute; width: 28%; height: 28%;
  border-radius: 50%; background: rgba(201,169,110,0.28); z-index: 2; pointer-events: none;
}
.ca-sq--capture::after {
  content: ''; position: absolute; inset: 3px;
  border-radius: 50%; border: 4px solid rgba(201,169,110,0.35); z-index: 2; pointer-events: none;
}
.ca-sq__coord {
  position: absolute; font-size: 9px; font-weight: bold;
  font-family: var(--font-mono); pointer-events: none; z-index: 1; opacity: 0.65;
}
.ca-sq__coord--rank { top: 2px; left: 3px; }
.ca-sq__coord--file { bottom: 2px; right: 3px; }
.ca-sq--light .ca-sq__coord { color: var(--sq-dark); }
.ca-sq--dark  .ca-sq__coord { color: var(--sq-light); }

/* Pieces */
.ca-piece {
  font-size: calc(min(540px, calc(100vh - var(--nav-h) - 80px)) / 10.5);
  line-height: 1; position: relative; z-index: 3;
  pointer-events: none; transition: transform 0.1s;
}
.ca-piece--w { color: #fff8ef; filter: drop-shadow(0 2px 3px rgba(0,0,0,0.9)) drop-shadow(0 0 1px #000); }
.ca-piece--b { color: #150f08; filter: drop-shadow(0 2px 3px rgba(0,0,0,0.5)) drop-shadow(0 0 1px rgba(201,169,110,0.4)); }
.ca-sq--move .ca-piece { pointer-events: auto; cursor: grab; }
.ca-sq--move .ca-piece:hover { transform: scale(1.07); }
#ca-drag-ghost {
  position: fixed; z-index: 9999; pointer-events: none;
  font-size: 68px; line-height: 1; transform: translate(-50%,-58%);
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.9));
}

/* Promotion picker */
.ca-promo {
  position: absolute; inset: 0; z-index: 60;
  background: rgba(6,8,16,0.92); backdrop-filter: blur(8px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
}
.ca-promo__title { font-family: var(--font-serif); font-size: 20px; color: var(--text-bright); }
.ca-promo__pieces { display: flex; gap: 12px; }
.ca-promo-btn {
  width: 72px; height: 72px; background: var(--bg-card); border: 1px solid var(--border-gold);
  border-radius: var(--radius-md); font-size: 48px; line-height: 1; cursor: pointer;
  color: #fff8ef; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.8));
  transition: var(--t);
}
.ca-promo-btn:hover { transform: scale(1.1); box-shadow: var(--shadow-g); }

/* Board overlay */
.ca-board-overlay {
  position: absolute; inset: 0; z-index: 50;
  background: rgba(6,8,16,0.85); backdrop-filter: blur(8px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
}
.ca-board-overlay__msg { font-family: var(--font-serif); font-size: 26px; font-weight: bold; color: var(--text-bright); text-align: center; }

/* ── Game layout ─────────────────────────────────────────────── */
.ca-game-layout { display: flex; height: calc(100vh - var(--nav-h)); overflow: hidden; }

/* Info sidebar */
.ca-game-info {
  width: var(--side-w); min-width: var(--side-w);
  background: var(--bg-panel); border-right: 1px solid var(--border-sub);
  display: flex; flex-direction: column; overflow: hidden;
}
.ca-player-card { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--border-sub); flex-wrap: wrap; }
.ca-player-card__info { flex: 1; min-width: 0; }
.ca-player-card__name { font-size: 14px; font-weight: bold; color: var(--text-bright); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ca-player-card__label { font-size: 11px; color: var(--text-muted); }
.ca-player-card__timer { font-family: var(--font-mono); font-size: 12px; color: var(--gold); background: var(--bg-card); border-radius: 4px; padding: 2px 7px; }
.ca-captured { display: flex; flex-wrap: wrap; gap: 1px; font-size: 13px; width: 100%; padding-left: 42px; }

.ca-movelist-wrap { flex: 1; overflow: hidden; display: flex; flex-direction: column; }
.ca-movelist-hdr { padding: 8px 14px; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: bold; color: var(--text-muted); border-bottom: 1px solid var(--border-sub); }
.ca-movelist { flex: 1; overflow-y: auto; padding: 6px 8px; font-family: var(--font-mono); font-size: 12px; display: flex; flex-wrap: wrap; align-content: flex-start; gap: 2px; }
.ca-movelist::-webkit-scrollbar { width: 3px; }
.ca-movelist::-webkit-scrollbar-thumb { background: var(--border-sub); border-radius: 2px; }
.ca-move-row { display: flex; align-items: center; gap: 3px; padding: 1px 4px; border-radius: 2px; }
.ca-move-row:hover { background: var(--bg-hover); }
.ca-move-num { color: var(--text-muted); min-width: 22px; }
.ca-move-w, .ca-move-b { color: var(--text-bright); padding: 1px 3px; border-radius: 2px; cursor: default; }
.ca-move-row--latest { background: rgba(201,169,110,0.08); }

.ca-game-actions { padding: 10px 14px; display: flex; gap: 8px; border-top: 1px solid var(--border-sub); }
.ca-game-status { padding: 10px 14px; font-size: 13px; color: var(--gold); font-style: italic; text-align: center; border-top: 1px solid var(--border-sub); min-height: 42px; }

/* ── Chat ────────────────────────────────────────────────────── */
.ca-chat { width: var(--chat-w); min-width: var(--chat-w); background: var(--bg-panel); border-left: 1px solid var(--border-sub); display: flex; flex-direction: column; }
.ca-chat__hdr { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid var(--border-sub); font-size: 12px; font-weight: bold; color: var(--text-muted); letter-spacing: 0.05em; }
.ca-chat__msgs { flex: 1; overflow-y: auto; padding: 10px; display: flex; flex-direction: column; gap: 7px; }
.ca-chat__msgs::-webkit-scrollbar { width: 3px; }
.ca-chat__msgs::-webkit-scrollbar-thumb { background: var(--border-sub); border-radius: 2px; }
.ca-chat-msg { display: flex; flex-direction: column; gap: 2px; }
.ca-chat-msg__sender { font-size: 10px; color: var(--gold-dim); font-weight: bold; }
.ca-chat-msg__body { font-size: 13px; color: var(--text-main); background: var(--bg-card); border: 1px solid var(--border-sub); border-radius: 0 var(--radius-sm) var(--radius-sm) var(--radius-sm); padding: 5px 9px; word-break: break-word; line-height: 1.4; }
.ca-chat-msg--own .ca-chat-msg__sender { text-align: right; }
.ca-chat-msg--own .ca-chat-msg__body { background: rgba(74,127,203,0.15); border-color: rgba(74,127,203,0.3); border-radius: var(--radius-sm) 0 var(--radius-sm) var(--radius-sm); color: var(--text-bright); }
.ca-chat-msg--sys .ca-chat-msg__body { background: transparent; border-color: transparent; color: var(--text-muted); font-size: 11px; text-align: center; font-style: italic; }
.ca-chat__input-row { display: flex; padding: 10px; border-top: 1px solid var(--border-sub); gap: 0; }
.ca-chat__input { flex: 1; background: var(--bg-card); border: 1px solid var(--border-sub); border-right: none; border-radius: var(--radius-sm) 0 0 var(--radius-sm); padding: 7px 10px; color: var(--text-main); font-family: var(--font-serif); font-size: 13px; outline: none; }
.ca-chat__input:focus { border-color: var(--border-gold); }
.ca-chat__input::placeholder { color: var(--text-muted); }
.ca-chat__send { background: linear-gradient(135deg,var(--gold-dim),var(--gold)); border: none; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: #1a1208; padding: 7px 12px; cursor: pointer; font-size: 15px; transition: var(--t); }
.ca-chat__send:hover { filter: brightness(1.1); }

/* ── Notifications ───────────────────────────────────────────── */
#ca-notifs { position: fixed; top: calc(var(--nav-h) + 10px); right: 14px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.ca-notif {
  background: var(--bg-card); border: 1px solid var(--border-gold); border-radius: var(--radius-md);
  padding: 12px 16px; min-width: 240px; max-width: 320px;
  box-shadow: var(--shadow-p); pointer-events: auto;
  animation: ca-slidein 0.3s ease;
}
.ca-notif--error   { border-color: rgba(248,113,113,0.5); }
.ca-notif--success { border-color: rgba(74,222,128,0.5); }
.ca-notif__title { font-size: 13px; font-weight: bold; color: var(--text-bright); margin-bottom: 3px; }
.ca-notif__body  { font-size: 12px; color: var(--text-muted); }
.ca-notif__btns  { display: flex; gap: 8px; margin-top: 8px; }
@keyframes ca-slidein { from { transform: translateX(110%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Scrollbars ──────────────────────────────────────────────── */
.ca-root ::-webkit-scrollbar { width: 5px; height: 5px; }
.ca-root ::-webkit-scrollbar-track { background: transparent; }
.ca-root ::-webkit-scrollbar-thumb { background: var(--border-sub); border-radius: 3px; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width:1100px) { :root { --chat-w: 240px; --side-w: 220px; } }
@media (max-width:900px)  { .ca-chat { display:none; } }
@media (max-width:760px)  { .ca-sidebar { display:none; } .ca-lobby-main { padding: 14px; } }

/* ════════════════════════════════════════════════════════════
   SHORTCODE STYLES  [chess_leaderboard] / [chess_stats]
   ════════════════════════════════════════════════════════════ */

/* ── Leaderboard ──────────────────────────────────────────── */
.ca-sc-leaderboard { font-family: var(--font-serif); margin: 20px 0; overflow-x: auto; }
.ca-sc-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.ca-sc-table th {
  text-align: left; padding: 10px 14px;
  background: var(--bg-card); color: var(--text-muted);
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
  border-bottom: 2px solid var(--border-gold);
}
.ca-sc-table td { padding: 10px 14px; border-bottom: 1px solid var(--border-sub); color: var(--text-main); vertical-align: middle; }
.ca-sc-table tr:hover td { background: rgba(255,255,255,0.02); }
.ca-sc-row--top td { background: rgba(201,169,110,0.05); }
.ca-sc-rank { font-size: 16px; width: 36px; }
.ca-sc-name { font-weight: 600; color: var(--text-bright); }
.ca-sc-w  { color: #4ade80; font-weight: 600; }
.ca-sc-l  { color: #f87171; }
.ca-sc-d  { color: #facc15; }
.ca-sc-rating { font-weight: 700; color: var(--gold); }
.ca-sc-bar-wrap { display: flex; align-items: center; gap: 8px; min-width: 80px; }
.ca-sc-bar { height: 5px; background: linear-gradient(90deg,#4ade80,#22c55e); border-radius: 3px; min-width: 2px; flex-shrink: 0; }
.ca-sc-bar-wrap span { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.ca-sc-empty { color: var(--text-muted); font-style: italic; }

/* ── Stats card ───────────────────────────────────────────── */
.ca-sc-stats-card {
  display: inline-flex; flex-direction: column; gap: 16px;
  background: var(--bg-card); border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg); padding: 24px 28px;
  font-family: var(--font-serif); min-width: 260px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.ca-sc-stats-card__header { display: flex; align-items: center; gap: 14px; }
.ca-sc-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--bg-panel); border: 2px solid var(--border-gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; color: var(--gold);
  text-transform: uppercase;
}
.ca-sc-stats-card__name   { font-size: 17px; font-weight: 700; color: var(--text-bright); }
.ca-sc-stats-card__rating { font-size: 13px; color: var(--gold); margin-top: 2px; }
.ca-sc-stats-card__row    { display: flex; gap: 8px; }
.ca-sc-stat-box {
  flex: 1; text-align: center; padding: 10px 6px;
  background: var(--bg-panel); border: 1px solid var(--border-sub);
  border-radius: var(--radius-sm);
}
.ca-sc-stat-box span { display: block; font-size: 22px; font-weight: 700; color: var(--text-bright); line-height: 1; margin-bottom: 4px; }
.ca-sc-stat-box { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.ca-sc-stat-box--win  span { color: #4ade80; }
.ca-sc-stat-box--loss span { color: #f87171; }
.ca-sc-stat-box--draw span { color: #facc15; }
.ca-sc-cta {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 18px; background: linear-gradient(135deg,var(--gold-dim),var(--gold));
  color: #1a1208; font-weight: 700; font-size: 14px;
  border-radius: var(--radius-sm); text-decoration: none;
  transition: filter 0.15s;
}
.ca-sc-cta:hover { filter: brightness(1.1); }

/* ════════════════════════════════════════════════════════════
   SPECTATOR BADGE / SHARE BANNER
   ════════════════════════════════════════════════════════════ */
.ca-spectator-badge {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.75); backdrop-filter: blur(6px);
  border: 1px solid var(--border-gold); border-radius: 20px;
  padding: 4px 14px; font-size: 12px; color: var(--gold);
  pointer-events: none; z-index: 10; white-space: nowrap;
}
.ca-share-bar {
  background: rgba(74,127,203,0.12); border-top: 1px solid rgba(74,127,203,0.2);
  padding: 8px 14px; font-size: 12px; color: var(--text-muted);
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.ca-share-bar__url {
  flex: 1; background: var(--bg-card); border: 1px solid var(--border-sub);
  border-radius: 4px; padding: 4px 8px; font-family: var(--font-mono);
  font-size: 11px; color: var(--gold); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  cursor: pointer;
}
.ca-share-bar__copy {
  background: transparent; border: 1px solid var(--border-sub);
  border-radius: 4px; padding: 4px 10px; color: var(--text-muted);
  font-size: 11px; cursor: pointer; transition: var(--t); white-space: nowrap;
}
.ca-share-bar__copy:hover { border-color: var(--border-gold); color: var(--gold); }

/* ════════════════════════════════════════════════════════════
   DRAW OFFER NOTIFICATION (in-game)
   ════════════════════════════════════════════════════════════ */
.ca-draw-offer {
  background: rgba(250,204,21,0.1); border: 1px solid rgba(250,204,21,0.35);
  border-radius: var(--radius-sm); padding: 10px 14px;
  margin: 8px 14px; font-size: 13px; color: #facc15;
  display: flex; align-items: center; gap: 10px;
}
.ca-draw-offer__accept {
  background: rgba(74,222,128,0.2); border: 1px solid rgba(74,222,128,0.4);
  color: #4ade80; border-radius: 4px; padding: 3px 10px;
  font-size: 12px; cursor: pointer;
}
.ca-draw-offer__decline {
  background: transparent; border: 1px solid var(--border-sub);
  color: var(--text-muted); border-radius: 4px; padding: 3px 10px;
  font-size: 12px; cursor: pointer;
}

/* ════════════════════════════════════════════════════════════
   GUEST PLAY STYLES
   ════════════════════════════════════════════════════════════ */

/* Guest name picker modal */
.ca-guest-name-modal {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.75); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
}
.ca-guest-name-modal__box {
  background: var(--bg-card); border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg); padding: 40px 36px;
  max-width: 400px; width: 92%; text-align: center;
  box-shadow: var(--shadow-p), var(--shadow-g);
}
.ca-guest-name-modal__icon {
  font-size: 48px; color: var(--gold);
  filter: drop-shadow(0 0 16px var(--gold));
  display: block; margin-bottom: 14px;
}
.ca-guest-name-modal__box h2 {
  font-family: var(--font-serif); font-size: 26px; font-weight: 700;
  color: var(--text-bright); margin-bottom: 8px;
}
.ca-guest-name-modal__box p {
  color: var(--text-muted); font-size: 14px; line-height: 1.5; margin-bottom: 22px;
}
.ca-guest-name-modal__box p small { font-size: 12px; color: var(--gold-dim); }
.ca-guest-name-input {
  width: 100%; background: var(--bg-panel); border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm); padding: 10px 14px;
  color: var(--text-bright); font-family: var(--font-serif); font-size: 18px;
  text-align: center; outline: none; margin-bottom: 18px;
  transition: border-color 0.2s;
}
.ca-guest-name-input:focus { border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold-glow); }
.ca-guest-name-modal__actions { display: flex; gap: 10px; justify-content: center; }

/* Guest badge in nav / player cards */
.ca-guest-badge {
  display: inline-flex; align-items: center;
  font-size: 10px; letter-spacing: 0.07em; text-transform: uppercase;
  font-weight: 700; color: var(--gold-dim);
  background: rgba(201,169,110,0.1); border: 1px solid var(--border-sub);
  border-radius: 3px; padding: 1px 6px; margin-left: 6px;
}

/* Guest game card indicator */
.ca-game-card__guest-tag {
  font-size: 10px; color: var(--gold-dim);
  background: rgba(201,169,110,0.08); border-radius: 3px;
  padding: 1px 6px; letter-spacing: 0.05em;
}

/* Guest expiry timer on waiting overlay */
.ca-guest-expiry {
  font-size: 13px; color: var(--text-muted);
  margin-top: 8px;
}
.ca-guest-expiry strong { color: var(--gold); }

/* "Play as guest" button on guest wall */
.ca-gw-guest-play {
  margin-top: 12px;
  font-size: 13px; color: var(--text-muted);
}

/* ════════════════════════════════════════════════════════════
   WAITING OVERLAY — JOIN BUTTON
   ════════════════════════════════════════════════════════════ */
.ca-board-overlay {
  flex-direction: column;
  gap: 12px;
  padding: 32px 24px;
  text-align: center;
}
#ca-overlay-join-btn {
  font-size: 18px;
  padding: 12px 32px;
  box-shadow: 0 0 24px var(--gold-glow);
  animation: ca-pulse-btn 2s ease-in-out infinite;
}
@keyframes ca-pulse-btn {
  0%,100% { box-shadow: 0 0 16px var(--gold-glow); }
  50%      { box-shadow: 0 0 32px rgba(201,169,110,0.5); }
}