/* App styles — built only on tokens.css variables (see Design docs).
   Landing = marketing surface (pills); app surfaces use 6px-square controls. */

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  font: var(--typography-body-md);
  color: var(--color-body);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  font-family: var(--font-family-sans);
}
h1, h2, h3 { color: var(--color-ink); margin: 0; }
a { color: var(--color-link); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }

.eyebrow {
  font: var(--typography-mono-eyebrow);
  text-transform: uppercase;
  color: var(--color-mute);
  letter-spacing: 0.08em;
}

/* ── buttons: 6px squares in app surfaces (design: don't mix shapes) ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xxs);
  height: 36px;
  padding: 0 var(--spacing-md);
  font: var(--typography-button-md);
  border-radius: var(--rounded-sm);
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
  touch-action: manipulation;
}
.btn:disabled { color: var(--color-faint); background: var(--color-hairline-soft); border-color: transparent; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:not(:disabled):active { background: var(--color-ink); }
.btn-secondary { background: var(--color-canvas-elevated); color: var(--color-ink); border-color: var(--color-hairline); }
.btn-secondary:not(:disabled):active { background: var(--color-hairline-soft); }
.btn-danger { background: var(--color-canvas-elevated); color: var(--color-error); border-color: var(--color-hairline); }
.btn-lg { height: 44px; padding: 0 var(--spacing-lg); font-size: 16px; }
.btn-block { width: 100%; }

/* marketing pill — landing only */
.pill {
  height: 48px;
  padding: 0 22px;
  border-radius: var(--rounded-pill);
  font: 500 16px/20px var(--font-family-sans);
  border: 1px solid transparent;
}
.pill-primary { background: var(--color-primary); color: var(--color-on-primary); }
.pill-secondary { background: var(--color-canvas-elevated); color: var(--color-ink); border-color: var(--color-hairline); }

/* ── inputs ── */
.input, .textarea {
  width: 100%;
  background: var(--color-canvas-elevated);
  color: var(--color-ink);
  font: var(--typography-body-lg);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  outline: none;
}
.input:focus, .textarea:focus { border-color: var(--color-link); box-shadow: 0 0 0 3px var(--color-link-soft); }
.field-label { display: block; font: var(--typography-label-sm); color: var(--color-ink); margin: var(--spacing-md) 0 var(--spacing-xxs); }
.field-hint { font: var(--typography-body-sm); color: var(--color-mute); margin-top: var(--spacing-xxs); }

/* ── cards ── */
.card {
  background: var(--color-canvas-elevated);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  padding: var(--spacing-lg);
}
.card + .card { margin-top: var(--spacing-md); }
.card-title { font: var(--typography-heading-md); color: var(--color-ink); }

/* ── landing ── */
.landing { min-height: 100dvh; display: flex; flex-direction: column; }
.landing-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-canvas); border-bottom: 1px solid var(--color-hairline);
}
.wordmark { font: 600 16px/20px var(--font-family-sans); color: var(--color-ink); letter-spacing: -0.3px; }
.hero {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: var(--spacing-3xl) var(--spacing-lg);
  position: relative; overflow: hidden;
}
.hero-mesh {
  position: absolute; inset: -40% -20% auto; height: 80%; z-index: 0; filter: blur(60px); opacity: 0.35;
  background:
    radial-gradient(40% 60% at 20% 30%, var(--gradient-develop-start), transparent 70%),
    radial-gradient(40% 60% at 80% 20%, var(--gradient-preview-start), transparent 70%),
    radial-gradient(30% 50% at 60% 60%, var(--gradient-develop-end), transparent 70%),
    radial-gradient(30% 50% at 35% 70%, var(--gradient-ship-end), transparent 70%);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 { font: var(--typography-display-xl); letter-spacing: var(--typography-display-xl-tracking); max-width: 720px; }
.hero .eyebrow { margin-bottom: var(--spacing-md); }
.hero p { font: var(--typography-body-lg); color: var(--color-body); max-width: 520px; margin: var(--spacing-md) 0 var(--spacing-xl); }
.landing-actions { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; justify-content: center; }
.landing-panels { display: grid; gap: var(--spacing-md); grid-template-columns: 1fr 1fr; max-width: 720px; width: 100%; padding: 0 var(--spacing-lg) var(--spacing-3xl); }
@media (max-width: 640px) { .landing-panels { grid-template-columns: 1fr; } .hero h1 { font-size: 34px; line-height: 38px; } }
.panel-error { color: var(--color-error); font: var(--typography-body-sm); margin-top: var(--spacing-xs); min-height: 16px; }

/* ── app shell: top bar (play) ── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-canvas-elevated);
  border-bottom: 1px solid var(--color-hairline);
  min-height: 52px;
}
.topbar .wordmark { margin-right: auto; }
.topbar-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font: var(--typography-code); color: var(--color-ink);
  background: var(--color-hairline-soft); border-radius: var(--rounded-sm);
  padding: 4px 8px;
}
.sync-dot { width: 8px; height: 8px; border-radius: var(--rounded-full); background: var(--color-mute); }
.sync-dot[data-sync="live"] { background: var(--color-link); }
.sync-dot[data-sync="reconnecting"] { background: var(--color-warning); }
.sync-dot[data-sync="offline"] { background: var(--color-error); }
.sync-label { font: var(--typography-body-sm); color: var(--color-mute); }
.timer[data-urgent="true"] { color: var(--color-error); }

.page { max-width: 720px; margin: 0 auto; padding: var(--spacing-md) var(--spacing-md) var(--spacing-3xl); }

/* ── lobby ── */
.roster { list-style: none; margin: 0; padding: 0; }
.player-row { display: flex; align-items: center; gap: var(--spacing-xs); padding: var(--spacing-xxs) 0; }
.player-name { font: var(--typography-label-sm); color: var(--color-ink); margin-right: auto; }
.avatar {
  width: 28px; height: 28px; border-radius: var(--rounded-full);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-ink); color: var(--color-on-primary);
  font: var(--typography-label-sm); flex-shrink: 0;
}
.badge {
  font: 500 10px/14px var(--font-family-mono); letter-spacing: 0.05em;
  background: var(--color-hairline-soft); color: var(--color-body);
  border-radius: var(--rounded-sm); padding: 1px 6px; flex-shrink: 0;
}
.badge.accent { background: var(--color-link-soft); color: var(--color-link-deep); }
.fact-list { list-style: none; margin: var(--spacing-sm) 0 0; padding: 0; display: flex; flex-direction: column; gap: var(--spacing-xxs); }
.fact-item {
  display: flex; align-items: center; gap: var(--spacing-xs);
  background: var(--color-canvas-elevated); border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm); padding: var(--spacing-xxs) var(--spacing-xxs) var(--spacing-xxs) var(--spacing-sm);
  font: var(--typography-body-md); color: var(--color-ink);
}
.fact-item .remove { margin-left: auto; border: 0; background: transparent; color: var(--color-mute); font-size: 16px; padding: 6px 10px; border-radius: var(--rounded-sm); }
.fact-item .remove:active { background: var(--color-hairline-soft); }
.fact-form { display: flex; gap: var(--spacing-xxs); margin-top: var(--spacing-sm); }

/* ── game board ── */
.board { display: flex; flex-direction: column; gap: var(--spacing-md); }
.targets { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: var(--spacing-xxs); }
.target {
  display: flex; flex-direction: column; align-items: center; gap: var(--spacing-xxs);
  background: var(--color-canvas-elevated); border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md); padding: var(--spacing-sm) var(--spacing-xxs);
  font: var(--typography-label-sm); color: var(--color-ink);
  text-align: center; transition: border-color 0.12s ease, background 0.12s ease;
  user-select: none;
}
.target .avatar { width: 40px; height: 40px; font-size: 16px; }
.target .placed { font: var(--typography-body-sm); color: var(--color-mute); }
.target[data-selected="true"] { border-color: var(--color-ink); background: var(--color-canvas); }
.target.drop-armed { border-color: var(--color-link); }
.target.drop-over { background: var(--color-link-soft); border-color: var(--color-link); }
.target.drop-hit { border-color: var(--color-ink); background: var(--color-hairline-soft); }

.tray-label { display: flex; align-items: baseline; gap: var(--spacing-xs); margin-bottom: var(--spacing-xxs); }
.tray { display: grid; gap: var(--spacing-xxs); }
.fact-card {
  position: relative;
  background: var(--color-canvas-elevated);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font: var(--typography-body-lg); color: var(--color-ink);
  min-height: 56px; display: flex; align-items: center;
  touch-action: none; user-select: none; -webkit-user-select: none;
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.12s ease;
}
.fact-card:focus-visible { outline: 2px solid var(--color-link); outline-offset: 2px; }
.fact-card .where {
  margin-left: auto; padding-left: var(--spacing-sm);
  font: var(--typography-body-sm); color: var(--color-mute);
  display: inline-flex; align-items: center; gap: 4px; flex-shrink: 0;
}
.fact-card.is-placed { background: var(--color-hairline-soft); }
.fact-card.is-dragging { opacity: 0.35; }
.ghost {
  position: fixed; z-index: 100; pointer-events: none;
  width: 260px; max-width: 70vw;
  transform: translate(-50%, -50%) rotate(-2deg) scale(1.03);
  box-shadow: var(--shadow-2);
}

/* ── leaderboard / reveal ── */
.leader-list, .reveal-list { list-style: none; margin: 0; padding: 0; }
.leader-row { display: flex; align-items: center; gap: var(--spacing-sm); padding: var(--spacing-xxs) 0; font: var(--typography-label-sm); color: var(--color-ink); }
.leader-row .rank { font: var(--typography-code); color: var(--color-mute); width: 24px; }
.leader-row .score { margin-left: auto; font: var(--typography-code); }
.leader-row.first .score { color: var(--color-link-deep); }
.reveal-item { display: flex; flex-direction: column; gap: 2px; border-top: 1px solid var(--color-hairline); padding: var(--spacing-xxs) 0; }
.reveal-item .fact-text { color: var(--color-ink); }
.reveal-item .verdict { font: var(--typography-body-sm); }
.reveal-item .verdict[data-correct="true"] { color: var(--color-success); }
.reveal-item .verdict[data-correct="false"] { color: var(--color-error); }

/* ── admin shell: sidebar (sidebar_template_DESIGN.md) ── */
.shell { display: flex; min-height: 100dvh; }
.sidebar {
  width: var(--sidebar-width); flex-shrink: 0;
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  display: flex; flex-direction: column;
  padding: var(--space-8) var(--space-4);
  gap: var(--space-8);
  transition: width 0.2s ease;
}
.sidebar-header { display: flex; flex-direction: column; gap: var(--space-4); padding: 0 var(--space-4); }
.sidebar-header .wordmark { font-size: 15px; }
.pin-command {
  display: flex; align-items: center; gap: var(--space-4);
  background: var(--color-bg-hover); border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-8);
  font: var(--typography-code); color: var(--color-text-primary);
}
.pin-command .k { margin-left: auto; font: var(--typography-body-sm); color: var(--color-text-secondary); }
.sidebar-nav { flex: 1; overflow-y: auto; }
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  font: var(--font-size-xs) var(--font-family-mono); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  padding: var(--space-8) var(--space-4) var(--space-4);
}
.nav-list { list-style: none; margin: 0; padding: 0; }
.nav-item {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-4) var(--space-8); border-radius: var(--radius-md);
  color: var(--color-text-primary); font: var(--font-size-sm) var(--font-family-base);
  cursor: pointer; user-select: none;
}
.nav-item:hover { background: var(--color-bg-hover); }
.nav-item.active { background: var(--color-bg-active); color: var(--color-accent); }
.nav-item .badge { margin-left: auto; }
.sidebar-footer { border-top: 1px solid var(--color-border); padding-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-4); }
.admin-card {
  background: var(--color-bg-hover); border-radius: var(--radius-lg);
  padding: var(--space-8); font: var(--typography-body-sm); color: var(--color-text-secondary);
}
.admin-card strong { color: var(--color-text-primary); }

.content { flex: 1; padding: var(--spacing-lg) var(--spacing-xl); max-width: 960px; }
.content-header { display: flex; align-items: center; gap: var(--spacing-md); flex-wrap: wrap; margin-bottom: var(--spacing-lg); }
.content-header h1 { font: var(--typography-heading-lg); letter-spacing: var(--typography-heading-lg-tracking); }
.status-chip {
  font: var(--typography-mono-eyebrow); text-transform: uppercase; letter-spacing: 0.08em;
  border-radius: var(--rounded-pill-category); padding: 4px 12px;
  background: var(--color-hairline-soft); color: var(--color-body);
}
.status-chip[data-status="playing"] { background: var(--color-link-soft); color: var(--color-link-deep); }
.status-chip[data-status="finished"] { background: var(--color-hairline-soft); color: var(--color-ink); }
.actions { display: flex; gap: var(--spacing-xxs); flex-wrap: wrap; margin-left: auto; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); align-items: start; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* sidebar collapse: icon rail ≤ 900px, off-canvas ≤ 640px */
@media (max-width: 900px) {
  .sidebar { width: var(--sidebar-rail); padding: var(--space-8) var(--space-4); }
  .sidebar .label-text, .sidebar-header .wordmark, .pin-command .pin-digits, .pin-command .k,
  .section-header span, .admin-card, .sidebar-footer .btn { display: none; }
  .pin-command { justify-content: center; padding: var(--space-4); }
  .nav-item { justify-content: center; }
}
@media (max-width: 640px) {
  .sidebar {
    position: fixed; inset: 0 auto 0 0; z-index: 50;
    transform: translateX(-100%); width: var(--sidebar-width);
    padding: var(--space-8) var(--space-4);
    box-shadow: var(--shadow-2);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar .label-text, .sidebar-header .wordmark, .pin-command .pin-digits, .admin-card,
  .sidebar-footer .btn, .section-header span { display: inline; }
  .menu-toggle { display: inline-flex !important; }
  .content { padding: var(--spacing-md); }
}
.menu-toggle { display: none; }

/* scrim for mobile sidebar */
.scrim { position: fixed; inset: 0; background: rgba(23, 23, 23, 0.4); z-index: 40; opacity: 0; pointer-events: none; transition: opacity 0.2s ease; }
.scrim.show { opacity: 1; pointer-events: auto; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: var(--spacing-lg); transform: translateX(-50%);
  background: var(--color-ink); color: var(--color-on-primary);
  font: var(--typography-body-md); border-radius: var(--rounded-sm);
  padding: var(--spacing-xs) var(--spacing-md); z-index: 120;
  box-shadow: var(--shadow-2); opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.toast.show { opacity: 1; }