/**
 * SPEC-UI-SHELL-VIS — shared product shell skin SSoT.
 * Served at root-absolute /product-shell.css under dist/product-ui.
 * Full layout skins land in later task groups; this file seeds tokens + a11y.
 */

/* ---------------------------------------------------------------------------
 * Design tokens
 * --------------------------------------------------------------------------- */
:root {
  /* Color */
  --pf-color-bg: #0f172a;
  --pf-color-bg-elevated: #1e293b;
  --pf-color-fg: #e2e8f0;
  --pf-color-fg-muted: #94a3b8;
  --pf-color-accent: #3b82f6;
  --pf-color-accent-strong: #1d4ed8;
  --pf-color-warn: #f59e0b;
  --pf-color-danger: #ef4444;
  --pf-color-success: #22c55e;
  --pf-color-border: #334155;
  --pf-color-focus: #06c;
  --pf-color-card-bg: rgba(15, 23, 42, 0.72);
  --pf-color-status-ready: #22c55e;
  --pf-color-status-waiting: #f59e0b;
  --pf-color-status-error: #ef4444;

  /* Spacing */
  --pf-space-1: 4px;
  --pf-space-2: 8px;
  --pf-space-3: 12px;
  --pf-space-4: 16px;
  --pf-space-5: 24px;
  --pf-space-6: 32px;

  /* Radius */
  --pf-radius-sm: 6px;
  --pf-radius-md: 8px;
  --pf-radius-lg: 12px;

  /* Typography */
  --pf-font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  --pf-font-size-xs: 12px;
  --pf-font-size-sm: 14px;
  --pf-font-size-md: 16px;
  --pf-font-size-lg: 20px;
  --pf-font-size-xl: 28px;
  --pf-line-height: 1.45;

  /* Z-index */
  --pf-z-shell: 1;
  --pf-z-cta: 10;
  --pf-z-host-banner: 9999;
}

/* ---------------------------------------------------------------------------
 * Base
 * --------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--pf-font-family);
  font-size: var(--pf-font-size-md);
  line-height: var(--pf-line-height);
  background: var(--pf-color-bg);
  color: var(--pf-color-fg);
  max-width: 100%;
  overflow-x: hidden;
}

/* ---------------------------------------------------------------------------
 * Shared class placeholders (Group A skeleton; skins fill in C–E)
 * --------------------------------------------------------------------------- */
.product-shell {
  min-height: 100vh;
  padding: var(--pf-space-3);
}

.status {
  display: block;
  margin: var(--pf-space-2) 0;
  padding: var(--pf-space-2) var(--pf-space-3);
  border-radius: var(--pf-radius-md);
  border: 1px solid var(--pf-color-border);
  background: var(--pf-color-bg-elevated);
  color: var(--pf-color-fg);
}

.status--ready {
  border-color: var(--pf-color-status-ready);
}

.status--waiting {
  border-color: var(--pf-color-status-waiting);
}

.status--error {
  border-color: var(--pf-color-status-error);
}

.cta,
.cta-primary,
[data-primary="true"] {
  display: inline-block;
  margin: var(--pf-space-2) 0;
  padding: var(--pf-space-2) var(--pf-space-4);
  border: 0;
  border-radius: var(--pf-radius-md);
  background: var(--pf-color-accent-strong);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.cta:disabled,
.cta-primary:disabled,
[data-primary="true"]:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Visible keyboard focus — shared shell contract (do not rely on browser default) */
.cta:focus,
.cta-primary:focus,
[data-primary="true"]:focus,
button:focus,
[tabindex]:focus,
[tabindex="0"]:focus,
h1:focus,
[role="status"]:focus,
.cta:focus-visible,
.cta-primary:focus-visible,
[data-primary="true"]:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
h1:focus-visible,
[role="status"]:focus-visible {
  outline: 2px solid var(--pf-color-focus);
  outline-offset: 2px;
}

.card,
.info-card {
  display: block;
  margin: var(--pf-space-3) 0;
  padding: var(--pf-space-3);
  border-radius: var(--pf-radius-lg);
  border: 1px solid var(--pf-color-border);
  background: var(--pf-color-card-bg);
}

.mock-label {
  font-size: var(--pf-font-size-xs);
  opacity: 0.85;
  margin-bottom: var(--pf-space-2);
}

/* Status / primary remain legible without motion-only cues */
.status,
[role="status"] {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ---------------------------------------------------------------------------
 * Accessibility: reduced motion
 * --------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  /* Decorative motion off; status stays distinguishable via border/text (not pulse alone) */
  .decorative-motion,
  [data-decorative-motion="true"] {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .status,
  [role="status"] {
    /* Reinforce non-motion status cue under reduced motion */
    border-width: 2px;
  }
}

[data-reduced-motion="true"] *,
[data-reduced-motion="true"] *::before,
[data-reduced-motion="true"] *::after {
  animation: none !important;
  transition: none !important;
}

[data-reduced-motion="true"] .decorative-motion,
[data-reduced-motion="true"] [data-decorative-motion="true"] {
  animation: none !important;
  transition: none !important;
  opacity: 1 !important;
  transform: none !important;
}

[data-reduced-motion="true"] .status,
[data-reduced-motion="true"] [role="status"] {
  border-width: 2px;
}

/* ---------------------------------------------------------------------------
 * Narrow viewport (360px) — primary CTA + status stay in-flow, no clip/occlusion
 * --------------------------------------------------------------------------- */
@media (max-width: 360px) {
  body {
    font-size: var(--pf-font-size-sm);
  }

  .product-shell {
    padding: var(--pf-space-2);
    max-width: 100%;
    overflow-x: hidden;
  }

  .card,
  .info-card {
    padding: var(--pf-space-2);
    max-width: 100%;
  }

  .cta,
  .cta-primary,
  [data-primary="true"],
  button[data-primary="true"] {
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    text-align: center;
    white-space: normal;
    overflow-wrap: anywhere;
    position: relative;
    z-index: var(--pf-z-cta);
  }

  .status,
  [role="status"],
  h1 {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  /* Avoid fixed overlays covering primary/status on 360 */
  .product-shell [data-primary="true"],
  .product-shell [role="status"] {
    position: relative;
  }
}

/* ---------------------------------------------------------------------------
 * Index — product-index navigation (SPEC-UI-SHELL-VIS Task Group B)
 * hero、scene cards、grid、窄屏堆疊
 * --------------------------------------------------------------------------- */
.product-index {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--pf-space-5) var(--pf-space-4);
}

.index-hero {
  display: grid;
  gap: var(--pf-space-4);
  margin-bottom: var(--pf-space-5);
  padding: var(--pf-space-4);
  border-radius: var(--pf-radius-lg);
  border: 1px solid var(--pf-color-border);
  background: linear-gradient(
    160deg,
    var(--pf-color-bg-elevated) 0%,
    var(--pf-color-bg) 70%
  );
}

.index-hero__visual {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: var(--pf-radius-md);
  border: 1px solid var(--pf-color-border);
  background: var(--pf-color-bg);
}

.index-hero__title {
  margin: 0 0 var(--pf-space-2);
  font-size: var(--pf-font-size-xl);
  line-height: 1.2;
}

.index-hero__lead {
  margin: 0;
  color: var(--pf-color-fg-muted);
  font-size: var(--pf-font-size-md);
}

.index-banner {
  background: #422006;
  border: 1px solid var(--pf-color-warn);
  padding: var(--pf-space-3) var(--pf-space-4);
  border-radius: var(--pf-radius-md);
  margin-bottom: var(--pf-space-5);
  color: var(--pf-color-fg);
}

.index-scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--pf-space-4);
  margin-bottom: var(--pf-space-6);
}

.index-scene-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--pf-color-border);
  border-radius: var(--pf-radius-lg);
  background: var(--pf-color-card-bg);
  overflow: hidden;
  min-width: 0;
}

.index-scene-card__main {
  display: block;
  flex: 1 1 auto;
  padding: var(--pf-space-3);
  text-decoration: none;
  color: inherit;
}

.index-scene-card__main:hover .index-scene-card__title,
.index-scene-card__main:focus .index-scene-card__title {
  color: var(--pf-color-accent);
}

.index-scene-card__visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--pf-radius-sm);
  border: 1px solid var(--pf-color-border);
  background: var(--pf-color-bg-elevated);
  margin-bottom: var(--pf-space-3);
}

.index-scene-card__title {
  margin: 0 0 var(--pf-space-1);
  font-size: var(--pf-font-size-lg);
}

.index-scene-card__blurb {
  margin: 0 0 var(--pf-space-3);
  color: var(--pf-color-fg-muted);
  font-size: var(--pf-font-size-sm);
}

.index-scene-card__cta {
  margin-top: auto;
}

.index-scene-card__states {
  list-style: none;
  margin: 0;
  padding: var(--pf-space-2) var(--pf-space-3) var(--pf-space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--pf-space-2);
  border-top: 1px solid var(--pf-color-border);
  background: rgba(15, 23, 42, 0.45);
}

.index-scene-card__state {
  margin: 0;
}

.index-scene-card__state a {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--pf-radius-sm);
  border: 1px solid var(--pf-color-border);
  background: var(--pf-color-bg-elevated);
  color: #93c5fd;
  font-size: var(--pf-font-size-xs);
  text-decoration: none;
}

.index-scene-card__state a:hover,
.index-scene-card__state a:focus {
  border-color: var(--pf-color-accent);
  outline: 2px solid var(--pf-color-focus);
  outline-offset: 1px;
}

.index-assets {
  margin-top: var(--pf-space-4);
  padding-top: var(--pf-space-4);
  border-top: 1px solid var(--pf-color-border);
  color: var(--pf-color-fg-muted);
  font-size: var(--pf-font-size-sm);
}

.index-assets a {
  color: #93c5fd;
}

/* Index narrow stack — use 480 so cards stack on phone; 360 inherits product-shell base */
@media (max-width: 480px) {
  .product-index {
    padding: var(--pf-space-3) var(--pf-space-2);
  }

  .index-hero {
    padding: var(--pf-space-3);
  }

  .index-hero__visual {
    max-height: 180px;
  }

  .index-scene-grid {
    grid-template-columns: 1fr;
    gap: var(--pf-space-3);
  }

  .index-scene-card__cta {
    width: 100%;
    text-align: center;
  }
}


/* ---------------------------------------------------------------------------
 * Task Group C — Lobby／Setup scene shell skin (Task 8)
 * body: .scene-shell.scene-shell--lobby | .scene-shell--setup
 * hierarchy: scene-main visual → info-card / status → data-primary CTA
 * --------------------------------------------------------------------------- */
.scene-shell {
  min-height: 100vh;
  padding: var(--pf-space-4);
  max-width: 960px;
  margin: 0 auto;
}

.scene-shell--lobby,
.scene-shell--setup {
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59, 130, 246, 0.18), transparent 55%),
    var(--pf-color-bg);
}

.scene-shell--lobby .scene-main-visual,
.scene-shell--setup .scene-main-visual {
  display: block;
  width: 100%;
  max-width: 960px;
  height: auto;
  max-height: 54vh;
  object-fit: cover;
  border-radius: var(--pf-radius-lg);
  border: 1px solid var(--pf-color-border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  margin: 0 0 var(--pf-space-4);
}

.scene-shell--lobby .scene-main-visual--failed,
.scene-shell--setup .scene-main-visual--failed {
  width: 100%;
  min-height: 140px;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  border: 1px dashed var(--pf-color-fg-muted);
}

/* Info cards: shared .info-card + lobby/setup control surfaces */
.scene-shell--lobby .info-card,
.scene-shell--setup .info-card,
.scene-shell--lobby [data-control],
.scene-shell--setup [data-control],
.scene-shell--lobby [data-waiting-for],
.scene-shell--setup [data-setup-step] {
  display: block;
  margin: var(--pf-space-3) 0;
  padding: var(--pf-space-3) var(--pf-space-4);
  border-radius: var(--pf-radius-lg);
  border: 1px solid var(--pf-color-border);
  background: var(--pf-color-card-bg);
  color: var(--pf-color-fg);
  backdrop-filter: blur(6px);
}

.scene-shell--lobby h1,
.scene-shell--setup h1 {
  margin: 0 0 var(--pf-space-3);
  font-size: var(--pf-font-size-xl);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.scene-shell--lobby [role="status"],
.scene-shell--setup [role="status"] {
  border-left: 4px solid var(--pf-color-accent);
  background: rgba(30, 41, 59, 0.9);
}

/* Primary CTA — highest interactive layer in lobby/setup */
.scene-shell--lobby [data-primary="true"],
.scene-shell--setup [data-primary="true"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pf-space-2);
  margin: var(--pf-space-4) 0 var(--pf-space-3);
  padding: var(--pf-space-3) var(--pf-space-5);
  min-height: 44px;
  border: 0;
  border-radius: var(--pf-radius-md);
  background: linear-gradient(180deg, #3b82f6 0%, var(--pf-color-accent-strong) 100%);
  color: #fff;
  font-weight: 700;
  font-size: var(--pf-font-size-md);
  letter-spacing: 0.01em;
  box-shadow:
    0 0 0 1px rgba(59, 130, 246, 0.4),
    0 8px 24px rgba(29, 78, 216, 0.35);
  z-index: var(--pf-z-cta);
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.scene-shell--lobby [data-primary="true"]:hover:not(:disabled),
.scene-shell--setup [data-primary="true"]:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px rgba(96, 165, 250, 0.55),
    0 12px 28px rgba(29, 78, 216, 0.45);
}

.scene-shell--lobby [data-primary="true"]:disabled,
.scene-shell--setup [data-primary="true"]:disabled {
  opacity: 0.55;
  box-shadow: none;
  transform: none;
}

.scene-shell--lobby .decorative-motion,
.scene-shell--setup .decorative-motion {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #93c5fd, #3b82f6 70%);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.55);
}

@media (max-width: 360px) {
  .scene-shell--lobby,
  .scene-shell--setup {
    padding: var(--pf-space-2);
  }

  .scene-shell--lobby [data-primary="true"],
  .scene-shell--setup [data-primary="true"] {
    width: 100%;
  }
}

/* ---------------------------------------------------------------------------
 * Task Group D — Playing／Reacting battle table (Task 11)
 * .seats grid · seat-card · HIDDEN_CARD_BACK · current-actor highlight
 * body: .product-shell--battle-table (--playing | --reacting)
 * --------------------------------------------------------------------------- */
.product-shell--battle-table {
  min-height: 100vh;
  padding: var(--pf-space-3);
  max-width: 1100px;
  margin: 0 auto;
  background:
    radial-gradient(ellipse 70% 40% at 50% 0%, rgba(34, 197, 94, 0.08), transparent 50%),
    linear-gradient(180deg, #0b1220 0%, var(--pf-color-bg) 40%);
}

.product-shell--battle-table .scene-main-visual {
  display: block;
  width: 100%;
  max-width: 960px;
  max-height: 48vh;
  object-fit: cover;
  border-radius: var(--pf-radius-lg);
  border: 1px solid var(--pf-color-border);
  margin: 0 0 var(--pf-space-3);
}

.product-shell--battle-table h1 {
  margin: 0 0 var(--pf-space-2);
  font-size: var(--pf-font-size-lg);
}

.product-shell--battle-table [role="status"] {
  margin: var(--pf-space-2) 0;
  padding: var(--pf-space-2) var(--pf-space-3);
  border-radius: var(--pf-radius-md);
  border: 1px solid var(--pf-color-border);
  border-left: 4px solid var(--pf-color-success);
  background: var(--pf-color-bg-elevated);
}

/* Eight-seat table */
.product-shell--battle-table .seats,
.seats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--pf-space-2);
  margin: var(--pf-space-3) 0;
  padding: var(--pf-space-3);
  border-radius: var(--pf-radius-lg);
  border: 1px solid var(--pf-color-border);
  background:
    linear-gradient(160deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.75) 100%);
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.08);
}

.product-shell--battle-table .seat,
.seats .seat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--pf-space-1);
  min-height: 96px;
  padding: var(--pf-space-2);
  border: 1px solid var(--pf-color-border);
  border-radius: var(--pf-radius-md);
  background: rgba(15, 23, 42, 0.65);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.product-shell--battle-table .seat-label,
.seats .seat-label {
  font-size: var(--pf-font-size-xs);
  color: var(--pf-color-fg-muted);
  text-align: center;
  max-width: 100%;
}

/* Current actor — high-visibility highlight (data-current-actor) */
.product-shell--battle-table .seat[data-current-actor="true"],
.seats .seat[data-current-actor="true"],
.seat.current-actor[data-current-actor="true"] {
  border-color: var(--pf-color-accent);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.22) 0%, rgba(15, 23, 42, 0.85) 100%);
  box-shadow:
    0 0 0 2px rgba(59, 130, 246, 0.45),
    0 0 20px rgba(59, 130, 246, 0.25);
}

.product-shell--battle-table .seat[data-current-actor="true"] .seat-label,
.seats .seat[data-current-actor="true"] .seat-label {
  color: #93c5fd;
  font-weight: 700;
}

/* Seat cards — authorized face vs HIDDEN_CARD_BACK */
.seat-card {
  display: block;
  width: 48px;
  height: 72px;
  border-radius: 4px;
  flex-shrink: 0;
}

.seat-card--authorized {
  background: linear-gradient(160deg, #475569 0%, #0f172a 100%);
  border: 1px solid #64748b;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* HIDDEN_CARD_BACK — constant-shape dark face; identifiable back pattern */
.seat-card--hidden,
.seat-card[data-card-presentation="HIDDEN_CARD_BACK"],
[data-card-presentation="HIDDEN_CARD_BACK"].seat-card {
  width: 48px;
  height: 72px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid #1e3a5f;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.45),
    inset 0 0 0 1px rgba(96, 165, 250, 0.15);
  background:
    repeating-linear-gradient(
      -45deg,
      #0c1a2e,
      #0c1a2e 4px,
      #132038 4px,
      #132038 8px
    );
}

.product-shell--battle-table [data-primary="true"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: var(--pf-space-3) 0;
  padding: var(--pf-space-2) var(--pf-space-4);
  min-height: 44px;
  border: 0;
  border-radius: var(--pf-radius-md);
  background: linear-gradient(180deg, #22c55e 0%, #15803d 100%);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(21, 128, 61, 0.35);
  z-index: var(--pf-z-cta);
  position: relative;
}

.product-shell--playing .seats {
  border-color: rgba(34, 197, 94, 0.25);
}

.product-shell--reacting .seats {
  border-color: rgba(245, 158, 11, 0.35);
}

@media (max-width: 360px) {
  .product-shell--battle-table .seats,
  .seats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: var(--pf-space-2);
    gap: var(--pf-space-1);
  }

  .seat-card,
  .seat-card--hidden,
  .seat-card--authorized,
  .seat-card[data-card-presentation="HIDDEN_CARD_BACK"] {
    width: 40px;
    height: 60px;
  }

  .product-shell--battle-table [data-primary="true"] {
    width: 100%;
  }
}

/* ---------------------------------------------------------------------------
 * Task Group E — Reconnecting／Finished resilience status shells (Task 14)
 * .status-shell · reconnecting · finished · resilience visual language
 * --------------------------------------------------------------------------- */
.status-shell {
  display: block;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--pf-space-4);
  border-radius: var(--pf-radius-lg);
  border: 1px solid var(--pf-color-border);
  background: linear-gradient(
    180deg,
    var(--pf-color-bg-elevated) 0%,
    var(--pf-color-bg) 100%
  );
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

/* Resilience family — reconnect + finished share status-shell chrome */
.status-shell.reconnecting-shell,
.reconnecting-shell.status-shell {
  border-color: #475569;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
}

.status-shell.finished-shell,
.finished-shell.status-shell {
  border-color: rgba(34, 197, 94, 0.35);
  background:
    radial-gradient(ellipse 90% 40% at 50% 0%, rgba(34, 197, 94, 0.12), transparent 55%),
    linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
}

/* Resilience asset framing (scene main / host asset refs) */
.status-shell .scene-main-visual,
.finished-shell .scene-main-visual {
  display: block;
  width: 100%;
  max-height: 40vh;
  object-fit: cover;
  border-radius: var(--pf-radius-md);
  border: 1px solid var(--pf-color-border);
  margin: 0 0 var(--pf-space-3);
}

.status-shell h1,
.reconnecting-shell h1,
.finished-shell h1 {
  margin: 0 0 var(--pf-space-3);
  font-size: var(--pf-font-size-xl);
  line-height: 1.2;
}

/* Reconnect status panel variants */
.reconnecting-status,
.reconnecting-shell [role="status"] {
  margin: var(--pf-space-2) 0;
  padding: var(--pf-space-2) var(--pf-space-3);
  border-radius: var(--pf-radius-md);
  border-left: 4px solid #64748b;
  background: rgba(15, 23, 42, 0.85);
  color: var(--pf-color-fg);
}

.reconnecting-status--offline {
  border-left-color: #64748b;
}

.reconnecting-status--resyncing {
  border-left-color: #2563eb;
}

.reconnecting-status--seq-gap {
  border-left-color: #d97706;
}

.reconnecting-status--auth-failure {
  border-left-color: #b91c1c;
}

.reconnecting-status--reconnect-timeout {
  border-left-color: #7c3aed;
}

.reconnecting-status--connected {
  border-left-color: #15803d;
}

.reconnecting-progress,
.reconnecting-last-confirmed,
.reconnecting-seq {
  margin: var(--pf-space-2) 0;
  padding: var(--pf-space-2) var(--pf-space-3);
  border-radius: var(--pf-radius-sm);
  background: rgba(30, 41, 59, 0.6);
  font-size: var(--pf-font-size-sm);
  color: var(--pf-color-fg-muted);
}

.reconnecting-actions,
.finished-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pf-space-2);
  margin-top: var(--pf-space-4);
}

.reconnecting-shell [data-primary="true"],
.finished-shell [data-primary="true"],
.status-shell [data-primary="true"] {
  display: inline-flex;
  align-items: center;
  gap: var(--pf-space-2);
  min-height: 44px;
  padding: var(--pf-space-2) var(--pf-space-4);
  border: 0;
  border-radius: var(--pf-radius-md);
  background: linear-gradient(180deg, #38bdf8 0%, #0284c7 100%);
  color: #0f172a;
  font-weight: 700;
  cursor: pointer;
  z-index: var(--pf-z-cta);
  position: relative;
}

.reconnecting-shell [data-secondary="true"],
.finished-shell [data-secondary="true"] {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--pf-space-2) var(--pf-space-4);
  border: 1px solid var(--pf-color-border);
  border-radius: var(--pf-radius-md);
  background: transparent;
  color: var(--pf-color-fg);
  cursor: pointer;
}

.reconnecting-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  color: var(--pf-color-fg-muted);
}

.icon-row {
  display: flex;
  align-items: center;
  gap: var(--pf-space-2);
  margin: var(--pf-space-1) 0 var(--pf-space-2);
}

.fallback-panel {
  min-height: 72px;
  border: 1px dashed var(--pf-color-fg-muted);
  border-radius: var(--pf-radius-md);
  background: rgba(30, 41, 59, 0.55);
  margin: var(--pf-space-2) 0 var(--pf-space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pf-color-fg-muted);
  font-size: var(--pf-font-size-sm);
}

/* Finished settlement summary */
.finished-summary {
  display: block;
  margin: 0 0 var(--pf-space-3);
  padding: var(--pf-space-3);
  border: 1px solid var(--pf-color-border);
  border-radius: var(--pf-radius-md);
  background: rgba(15, 23, 42, 0.75);
}

.finished-summary-fields {
  display: grid;
  gap: var(--pf-space-2);
  margin: 0;
}

.finished-summary-fields dt {
  font-size: var(--pf-font-size-xs);
  color: var(--pf-color-fg-muted);
}

.finished-summary-fields dd {
  margin: 0;
  font-weight: 600;
}

.finished-seats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--pf-space-2);
  margin: 0 0 var(--pf-space-3);
}

.finished-seat {
  border: 1px solid #475569;
  border-radius: var(--pf-radius-md);
  padding: var(--pf-space-2);
  background: rgba(30, 41, 59, 0.7);
}

.finished-icon {
  color: #86efac;
  margin: var(--pf-space-1) 0 var(--pf-space-3);
}

.finished-shell [role="status"],
.status-shell.finished-shell [role="status"] {
  border-left: 4px solid var(--pf-color-success);
  background: rgba(15, 23, 42, 0.85);
  padding: var(--pf-space-2) var(--pf-space-3);
  border-radius: var(--pf-radius-md);
  margin: var(--pf-space-2) 0;
}

/* Nested product-shell inside reconnect markup — avoid double full-viewport padding */
.product-shell > .status-shell.reconnecting-shell,
.product-shell > .product-shell.status-shell {
  margin-top: var(--pf-space-2);
}

@media (max-width: 360px) {
  .status-shell {
    padding: var(--pf-space-3);
    border-radius: var(--pf-radius-md);
  }

  .reconnecting-actions,
  .finished-actions {
    flex-direction: column;
  }

  .reconnecting-shell [data-primary="true"],
  .finished-shell [data-primary="true"],
  .status-shell [data-primary="true"],
  .reconnecting-shell [data-secondary="true"],
  .finished-shell [data-secondary="true"] {
    width: 100%;
    justify-content: center;
  }

  .finished-seats {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------------------------
 * Task Group F — State visual modifiers (Task 16)
 * Aligns with StateVisualClassMap: waiting / rejected / timeout /
 * asset-failure / reconnecting sub-states. Prefer existing *-status--{state}
 * and body[data-visual-status] / [data-connection] attributes already emitted
 * by scene HTML builders.
 * --------------------------------------------------------------------------- */

/* Shared status panel base when scene emits *-status classes */
.lobby-status,
.setup-status,
.playing-status,
.reacting-status {
  display: block;
  margin: var(--pf-space-2) 0;
  padding: var(--pf-space-2) var(--pf-space-3);
  border-radius: var(--pf-radius-md);
  border: 1px solid var(--pf-color-border);
  border-left: 4px solid var(--pf-color-accent);
  background: rgba(30, 41, 59, 0.9);
  color: var(--pf-color-fg);
}

/* waiting — skeleton / wait region; amber accent; no forged authority */
.lobby-status--waiting,
.setup-status--waiting,
.playing-status--pending,
.reacting-status--pending,
body[data-visual-status="waiting"] [role="status"],
body[data-visual-status="pending"] [role="status"],
.is-waiting [role="status"] {
  border-left-color: var(--pf-color-status-waiting);
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(245, 158, 11, 0.08),
      rgba(245, 158, 11, 0.08) 8px,
      rgba(30, 41, 59, 0.9) 8px,
      rgba(30, 41, 59, 0.9) 16px
    );
  color: #fde68a;
}

body[data-visual-status="waiting"] .decorative-motion,
body.scene-shell--lobby[data-visual-status="waiting"] .decorative-motion {
  animation: pf-wait-pulse 1.6s ease-in-out infinite;
  opacity: 0.85;
}

/* rejected — recoverable / safe exit path; danger accent */
.lobby-status--rejected,
.setup-status--rejected,
.playing-status--rejected,
.reacting-status--rejected,
body[data-visual-status="rejected"] [role="status"] {
  border-left-color: var(--pf-color-status-error);
  background: rgba(127, 29, 29, 0.35);
  color: #fecaca;
}

body[data-visual-status="rejected"] [data-primary="true"]:not(:disabled) {
  box-shadow:
    0 0 0 1px rgba(239, 68, 68, 0.45),
    0 8px 24px rgba(185, 28, 28, 0.3);
}

/* timeout — recoverable or safe exit; violet accent (distinct from rejected) */
.lobby-status--timeout,
.setup-status--timeout,
.playing-status--timeout,
.reacting-status--timeout,
body[data-visual-status="timeout"] [role="status"] {
  border-left-color: #7c3aed;
  background: rgba(76, 29, 149, 0.3);
  color: #ddd6fe;
}

body[data-visual-status="timeout"] [data-primary="true"]:not(:disabled) {
  box-shadow:
    0 0 0 1px rgba(124, 58, 237, 0.4),
    0 8px 24px rgba(91, 33, 182, 0.28);
}

/* asset-failure — degraded main visual, readable status, no private leak */
.lobby-status--asset-failure,
.setup-status--asset-failure,
.playing-status--asset-failure,
.reacting-status--asset-failure,
.finished-status--asset-failure,
body[data-visual-status="asset-failure"] [role="status"],
body[data-asset-status="failed"] [role="status"] {
  border-left-color: #94a3b8;
  background: rgba(51, 65, 85, 0.75);
  color: #e2e8f0;
}

body[data-visual-status="asset-failure"] .scene-main-visual--failed,
.scene-main-visual--failed {
  outline: 1px dashed var(--pf-color-fg-muted);
  outline-offset: 2px;
}

/* loading skeleton accent (secondary to S03 matrix but keeps class map complete) */
.lobby-status--loading,
.setup-status--loading,
.playing-status--loading,
.reacting-status--loading,
body[data-visual-status="loading"] [role="status"] {
  border-left-color: #64748b;
  color: var(--pf-color-fg-muted);
}

/* ready — success accent */
.lobby-status--ready,
.setup-status--ready,
.playing-status--ready,
.reacting-status--ready,
body[data-visual-status="ready"] [role="status"] {
  border-left-color: var(--pf-color-status-ready);
}

/* low-bandwidth subtle muted band */
.playing-status--low-bandwidth,
.reacting-status--low-bandwidth,
body[data-visual-status="low-bandwidth"] [role="status"] {
  border-left-color: #0ea5e9;
  color: #bae6fd;
}

/* Reconnecting sub-states — reinforce product-shell skin (matrix path timeout) */
body[data-scene="Reconnecting"][data-connection="offline"] .reconnecting-status,
.reconnecting-status--offline {
  border-left-color: #64748b;
}

body[data-scene="Reconnecting"][data-connection="resyncing"] .reconnecting-status,
.reconnecting-status--resyncing {
  border-left-color: #2563eb;
  color: #bfdbfe;
}

body[data-scene="Reconnecting"][data-connection="auth-failure"] .reconnecting-status,
.reconnecting-status--auth-failure {
  border-left-color: #b91c1c;
  color: #fecaca;
}

body[data-scene="Reconnecting"][data-connection="reconnect-timeout"] .reconnecting-status,
.reconnecting-status--reconnect-timeout,
.reconnecting-status--timeout {
  border-left-color: #7c3aed;
  color: #ddd6fe;
}

body[data-scene="Reconnecting"][data-connection="seq-gap"] .reconnecting-status,
.reconnecting-status--seq-gap {
  border-left-color: #d97706;
  color: #fde68a;
}

body[data-scene="Reconnecting"][data-connection="connected"] .reconnecting-status,
.reconnecting-status--connected {
  border-left-color: #15803d;
  color: #bbf7d0;
}

/* Icon color tracks connection sub-state for screenshot distinguishability */
.reconnecting-icon--offline { color: #94a3b8; }
.reconnecting-icon--resyncing { color: #60a5fa; }
.reconnecting-icon--seq-gap { color: #fbbf24; }
.reconnecting-icon--auth-failure { color: #f87171; }
.reconnecting-icon--timeout,
.reconnecting-icon--reconnect-timeout { color: #a78bfa; }
.reconnecting-icon--connected { color: #4ade80; }

@keyframes pf-wait-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-visual-status="waiting"] .decorative-motion,
  body.scene-shell--lobby[data-visual-status="waiting"] .decorative-motion {
    animation: none;
  }
}


/* ---------------------------------------------------------------------------
 * SEM-01 / SEM-02 — Migrated production skin from scene critical + host chrome
 * Full layout ownership: product-shell.css only (strategy B critical stays min).
 * --------------------------------------------------------------------------- */

/* Shared main visual (setContent + host; scene-shell / battle-table specialize) */
.scene-main-visual {
  display: block;
  width: min(100%, 960px);
  height: auto;
  max-height: 54vh;
  object-fit: cover;
  border-radius: var(--pf-radius-lg);
  margin: 0 0 var(--pf-space-3);
}

.scene-main-visual--failed {
  width: min(100%, 960px);
  min-height: 120px;
  background: linear-gradient(135deg, #1e293b, #334155);
  border: 1px dashed var(--pf-color-fg-muted);
}

.scene-main-visual--deferred {
  width: min(100%, 960px);
  min-height: 48px;
  background: var(--pf-color-bg-elevated);
  border: 1px solid var(--pf-color-border);
  border-radius: var(--pf-radius-md);
}

/* Decorative pulse (product skin; critical only keeps e2e-measurable pulse kill) */
.decorative-motion,
[data-decorative-motion="true"] {
  width: 24px;
  height: 24px;
  margin: 4px 0 8px;
  border-radius: 50%;
  background: #6cf;
  animation: pulse 1s infinite;
}

.decorative-motion--static {
  animation: none;
  opacity: 0.7;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.92);
  }
}

/* Overflow-safe text on dense shell surfaces */
h1,
[role="status"],
[data-waiting-for],
[data-setup-step],
[data-deadline],
[data-control],
button,
.seat,
.finished-summary,
.finished-seat {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* Global product button baseline (was host-injected + scene second styles) */
button {
  display: inline-block;
  white-space: normal;
  font: inherit;
  cursor: pointer;
  border-radius: var(--pf-radius-md);
  border: 1px solid var(--pf-color-border);
  background: var(--pf-color-accent-strong);
  color: #fff;
  padding: var(--pf-space-2) var(--pf-space-3);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button[data-primary="true"],
[data-primary="true"] {
  /* reinforce shared CTA tokens when primary is a button */
  background: var(--pf-color-accent-strong);
  color: #fff;
  border: 0;
  font-weight: 600;
}

/* Finished seat meta (migrated from finished second style) */
.seat-meta {
  display: block;
  font-size: var(--pf-font-size-xs);
  opacity: 0.8;
  margin-top: var(--pf-space-1);
}

.finished-shell .seat-label,
.finished-seat .seat-label {
  display: block;
  font-weight: 600;
}

/* Host-path body chrome: static token surface (no dynamic asset URL in host JS) */
body.product-shell {
  min-height: 100vh;
  background-color: var(--pf-color-bg);
  color: var(--pf-color-fg);
}

/* Readable text on elevated cards / seats over dark shell */
.product-shell .mock-label,
.product-shell h1,
.product-shell [role="status"],
.product-shell .seat,
.product-shell [data-waiting-for],
.product-shell [data-deadline],
.product-shell [data-landmark] {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

/* Host banner sticky layer above product skin */
#pokefate-host-banner {
  position: sticky;
  top: 0;
  z-index: var(--pf-z-host-banner);
}