/* ==========================================================================
   02 · FRAME — login layer, topbar, app shell
   ========================================================================== */

/* ---------- login -------------------------------------------------------- */
.login-layer{
  position:fixed;inset:0;z-index:200;
  display:grid;place-items:center;padding:24px;
  background:rgba(var(--overlay-rgb),.82);
  backdrop-filter:blur(18px) saturate(1.1);
  -webkit-backdrop-filter:blur(18px) saturate(1.1);
  overflow:auto;
}
.login-card{
  width:min(420px,100%);
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  background:linear-gradient(165deg,var(--ink-3),var(--ink-1));
  box-shadow:var(--shadow-pop);
  padding:34px 32px 28px;
  animation:loginIn .5s var(--ease-out) both;
}
@keyframes loginIn{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.login-brand{display:flex;align-items:center;gap:13px;margin-bottom:26px}
.login-brand strong{font-family:var(--font-display);font-size:1.02rem;font-weight:700;letter-spacing:.14em;display:block}
.login-brand span{display:block;font-size:.58rem;font-weight:700;letter-spacing:.32em;color:var(--tx-3);margin-top:3px}
.brand-mark{
  flex:none;width:42px;height:42px;display:grid;place-items:center;
  border-radius:13px;font-size:1.2rem;color:var(--on-accent);
  background:linear-gradient(150deg,var(--accent),color-mix(in srgb,var(--accent) 70%,#000));
  box-shadow:0 8px 20px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.35);
}
.login-card h1{margin:0 0 6px;font-size:1.35rem;font-weight:800;letter-spacing:-.01em}
.login-card p{margin:0 0 22px;font-size:.84rem;color:var(--tx-2);line-height:1.6}
.login-card .field{margin-bottom:15px}
.login-actions{margin-top:20px}
.login-actions .btn{width:100%;min-height:48px;font-size:.94rem}
.login-error{min-height:20px;margin-top:12px;font-size:.8rem;font-weight:600;color:var(--red)}
.login-error:empty{margin-top:0}
.login-hint{margin-top:16px;padding-top:16px;border-top:1px solid var(--line-1);font-size:.72rem;line-height:1.7;color:var(--tx-3)}

/* ---------- app frame ---------------------------------------------------- */
.app{
  position:relative;z-index:1;
  height:100vh;
  height:100dvh;
  display:grid;grid-template-rows:auto minmax(0,1fr);
  /* implicit auto column sizes to max-content (1128px at ~1025 viewports) and
     stretches topbar/shell with it — pin the single column to the container */
  grid-template-columns:minmax(0,1fr);
}

/* ---------- topbar ------------------------------------------------------- */
.topbar{
  display:flex;align-items:center;gap:18px;
  min-height:62px;padding:9px 16px;
  border-bottom:1px solid var(--line-1);
  background:linear-gradient(180deg,rgba(10,13,18,calc(.9 * var(--scrim-scale))),rgba(10,13,18,calc(.72 * var(--scrim-scale))));
  backdrop-filter:var(--glass);-webkit-backdrop-filter:var(--glass);
  position:relative;z-index:60;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0;font-family:var(--font-display);font-weight:700;font-size:.95rem;letter-spacing:.12em;white-space:nowrap}
.brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:1rem}
.brand small{display:block;font-family:var(--font-ui);font-size:.54rem;font-weight:700;letter-spacing:.3em;color:var(--tx-3);margin-top:2px}

.table-label{
  display:flex;flex-direction:column;gap:2px;min-width:0;
  padding-left:18px;border-left:1px solid var(--line-1);
}
.table-label strong{font-size:.88rem;font-weight:800;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.table-label span{font-size:.62rem;font-weight:600;letter-spacing:.08em;color:var(--tx-3);white-space:nowrap}

.top-stats{
  display:flex;gap:6px;margin-left:auto;min-width:0;
  padding:4px;border-radius:14px;
  border:1px solid var(--line-1);background:rgba(0,0,0,.26);
}
.stat{
  display:flex;flex-direction:column;gap:1px;min-width:86px;
  padding:5px 12px;border-radius:10px;
}
.stat span{font-size:.56rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-3);white-space:nowrap}
.stat strong{font-family:var(--font-num);font-size:.88rem;font-weight:700;letter-spacing:.02em;white-space:nowrap;font-variant-numeric:tabular-nums}

.top-actions{display:flex;align-items:center;gap:7px}
.icon-btn{
  position:relative;display:grid;place-items:center;
  min-width:40px;height:40px;padding:0 6px;
  border-radius:12px;border:1px solid var(--line-1);
  background:rgba(255,255,255,.03);
  color:var(--tx-2);font-size:1rem;font-weight:700;
  transition:color var(--t-fast),border-color var(--t-fast),background var(--t-fast),transform var(--t-fast);
}
.icon-btn:hover{color:var(--tx-1);border-color:var(--line-3);background:rgba(255,255,255,.07);transform:translateY(-1px)}
.icon-btn.ai{font-family:var(--font-display);font-size:.72rem;letter-spacing:.08em;color:var(--accent);border-color:color-mix(in srgb,var(--accent) 32%,transparent);background:var(--accent-soft)}
.icon-btn.ai:hover{color:var(--on-accent);background:var(--accent)}
/* 当前牌局为 OpenAI 模式时，右上角 AI 设置按钮呼吸高亮。 */
@keyframes aiEngineLivePulse{0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 45%,transparent)}50%{box-shadow:0 0 10px 3px color-mix(in srgb,var(--accent) 55%,transparent)}}
.icon-btn.ai.engine-openai-live{animation:aiEngineLivePulse 1.8s ease-in-out infinite;border-color:var(--accent)}
.mobile-info-btn{display:none}

.room-badge{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 13px;
  border-radius:12px;border:1px solid var(--accent-line);
  background:var(--accent-soft);margin-right:3px;
}
.room-badge b{font-size:.58rem;font-weight:800;letter-spacing:.16em;color:var(--accent)}
.room-badge span{font-family:var(--font-num);font-size:.82rem;font-weight:700;letter-spacing:.1em}
.room-badge:has(#roomBadgeText:empty){display:none}
.cloud-sync-btn::after{
  content:"";position:absolute;top:7px;right:7px;width:6px;height:6px;border-radius:50%;
  background:var(--tx-3);transition:background var(--t-fast);
}
.cloud-sync-btn[data-state="local-ready"]::after{background:var(--blue)}
.cloud-sync-btn[data-state="checking-cloud"]::after,.cloud-sync-btn[data-state="downloading"]::after,.cloud-sync-btn[data-state="merging"]::after,.cloud-sync-btn[data-state="saving"]::after{background:var(--gold);animation:syncBlink 1s infinite}
.cloud-sync-btn[data-state="cloud-current"]::after,.cloud-sync-btn[data-state="saved"]::after{background:var(--green)}
.cloud-sync-btn[data-state="offline"]::after{background:var(--tx-3)}
.cloud-sync-btn[data-state="conflict"]::after,.cloud-sync-btn[data-state="error"]::after{background:var(--red)}
@keyframes syncBlink{50%{opacity:.25}}

/* ---------- game shell --------------------------------------------------- */
.game-shell{
  min-height:0;
  display:grid;grid-template-columns:minmax(0,1fr) calc(336px * var(--ui-widen));gap:14px;
  padding:14px;
}
.table-zone{position:relative;min-width:0;min-height:0;display:flex}
.ambient{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(60% 50% at 50% 38%,var(--accent-glow),transparent 70%);
  opacity:.5;
}
.table-layout{
  position:relative;z-index:1;flex:1;min-width:0;min-height:0;
  display:grid;grid-template-rows:minmax(0,1fr);
}
/* stage on top, hero console as its own row beneath (original stacked layout) */
.table-wrap{
  position:relative;min-height:0;min-width:0;
  display:grid;grid-template-rows:minmax(0,1fr) auto;gap:12px;
}

/* ---------- sidebar (desktop column) ------------------------------------- */
.sidebar{
  min-height:0;display:grid;gap:12px;align-content:stretch;
  grid-template-rows:minmax(0,1.6fr) auto auto;
  overflow:hidden;
}
.mobile-sidebar-overlay{display:none}
.mobile-sidebar-head,.mobile-sidebar-tabs{display:none}
.side-card{
  min-height:0;display:flex;flex-direction:column;
  border:1px solid var(--line-1);border-radius:var(--r-md);
  background:rgba(16,20,27,calc(.86 * var(--scrim-scale)));
  backdrop-filter:var(--glass);-webkit-backdrop-filter:var(--glass);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.side-title{
  flex:none;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 15px;border-bottom:1px solid var(--line-1);
}
.side-title-main{display:flex;align-items:center;gap:9px;min-width:0}
.side-title-code{
  display:grid;place-items:center;min-width:34px;height:19px;padding:0 7px;
  border-radius:6px;background:var(--accent-soft);border:1px solid var(--accent-line);
  color:var(--accent);font-family:var(--font-display);font-style:normal;
  font-size:.56rem;font-weight:700;letter-spacing:.12em;
}
.side-title-label{font-size:.82rem;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.side-title-meta{font-size:.62rem;font-weight:700;letter-spacing:.06em;color:var(--tx-3);white-space:nowrap}
.footer-note{
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:2px 0;font-size:.58rem;letter-spacing:.04em;color:var(--tx-3);
}
.footer-note a{
  display:inline-flex;align-items:center;gap:4px;
  color:var(--tx-3);text-decoration:none;font-weight:700;
  opacity:.72;transition:opacity var(--t-fast),color var(--t-fast);
}
.footer-note a:hover{opacity:1;color:var(--accent)}
.footer-note a::before{content:"✦";font-size:.5rem;color:var(--accent)}