/* ==========================================================================
   HowClaude game player (/play) — rendered by assets/js/game.js.
   Phone first; calm, premium chat UI. Uses app.css tokens.
   ========================================================================== */

.page-play { background: var(--bg); }
.page-play .site-main { min-height: calc(100vh - var(--header-h)); }
.icon-xs { width: 13px; height: 13px; }

/* ---------------------------------------------------------------- header + HUD */
.game-header { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent); }
.game-header-inner { display: flex; align-items: center; gap: var(--space-3); min-height: 60px; padding: 8px var(--space-4); max-width: 1240px; margin: 0 auto; }
.game-brand .brand-name { display: none; }
.game-header-actions { display: flex; align-items: center; gap: var(--space-1); margin-left: auto; }
.game-lang .lang-link { min-width: 34px; }
.hud { display: flex; align-items: center; gap: var(--space-2); min-width: 0; flex: 1; }
.hud-rank { display: grid; grid-template-columns: 1fr auto; grid-template-areas: "name xp" "bar bar"; column-gap: var(--space-2); row-gap: 4px; align-items: center; min-width: 0; flex: 1; max-width: 260px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); color: var(--text); cursor: pointer; text-align: left; transition: border-color var(--dur) var(--ease); }
.hud-rank:hover { border-color: color-mix(in srgb, var(--gold) 50%, var(--border)); }
.hud-rank-name { grid-area: name; font-size: .78rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-xp { grid-area: xp; font-size: .72rem; font-weight: 700; color: var(--gold); font-variant-numeric: tabular-nums; white-space: nowrap; }
.hud-bar { grid-area: bar; display: block; height: 5px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.hud-bar > span { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--gold)); transition: width 600ms var(--ease); }
.hud.is-bump .hud-xp { animation: hud-bump 600ms var(--ease); }
.hud-chip { display: inline-flex; align-items: center; gap: 4px; height: 30px; padding: 0 10px; border-radius: var(--radius-pill); background: var(--surface); border: 1px solid var(--border); font-size: .78rem; font-weight: 700; white-space: nowrap; }
.hud-streak { color: var(--warning); }
.hud-combo { color: var(--accent-strong); }
.hud-combo.is-hot { background: var(--accent-soft); border-color: transparent; }
.hud-mult { padding: 1px 6px; border-radius: 99px; background: var(--accent-strong); color: var(--accent-contrast); font-size: .68rem; }
.hud-avatar { width: 30px; height: 30px; font-size: .8rem; }
@keyframes hud-bump { 0% { transform: scale(1); } 40% { transform: scale(1.25); } 100% { transform: scale(1); } }
@media (max-width: 520px) {
  .hud-combo span:not(.hud-mult) { display: none; }
  .hud-combo .hud-mult { display: inline; }
  .hud-rank { max-width: none; position: relative; }
  .game-lang { display: none; }
  .hud-chip { padding: 0 8px; }
  /* Phones: while the combo chip is visible there is no room for rank name + XP side by side —
     keep XP + bar visible and move the rank name off-screen (still announced by screen readers). */
  .hud:has(.hud-combo:not([hidden])) .hud-rank { grid-template-columns: minmax(0, 1fr); grid-template-areas: "xp" "bar"; padding: 6px 8px; }
  .hud:has(.hud-combo:not([hidden])) .hud-rank-name { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}
@media (max-width: 359px) { .hud-streak { display: none; } }
@media (min-width: 640px) { .game-brand .brand-name { display: inline; } }

/* ---------------------------------------------------------------- shell + aside ad */
.game-shell { max-width: 1240px; margin: 0 auto; padding: 0 var(--space-4); display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-8); }
.game { width: 100%; max-width: 760px; margin: 0 auto; min-height: 60vh; }
.game-aside { display: none; }
@media (min-width: 1200px) {
  .game-shell.has-aside { grid-template-columns: minmax(0, 1fr) 300px; }
  .game-shell.has-aside .game { margin-right: 0; }
  .game-aside { display: block; padding-top: var(--space-8); }
  .game-aside-sticky { position: sticky; top: calc(60px + var(--space-6)); }
  .game-aside .ad-box { max-width: 300px; }
}
.game-footer { padding: var(--space-8) var(--space-4) var(--space-10); text-align: center; font-size: .8rem; color: var(--text-muted); }
.game-footer p { margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2) var(--space-4); }
.game-footer-links { display: inline-flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; }
.game-footer a, .game-footer .footer-link-btn { color: var(--text-muted); font-size: .8rem; }

/* ---------------------------------------------------------------- generic views */
.game-view { padding: var(--space-6) 0 var(--space-10); animation: view-in 320ms var(--ease) both; }
.game-loading { display: grid; place-items: center; gap: var(--space-4); min-height: 50vh; color: var(--text-muted); }
.game-error { text-align: center; padding-top: var(--space-16); }
.game-error .empty-icon { display: inline-grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: var(--danger-soft); color: var(--danger); margin-bottom: var(--space-4); }
.game-error .btn .icon { width: 18px; height: 18px; }
@keyframes view-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------------------------------------------------------------- onboarding */
.onb { display: grid; place-items: center; min-height: calc(100vh - 140px); padding-block: var(--space-8); }
.onb-card { width: 100%; max-width: 480px; text-align: center; position: relative; overflow: hidden; }
.onb-card::before { content: ""; position: absolute; inset: -40% -20% auto; height: 300px; background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 18%, transparent), transparent); pointer-events: none; }
.onb-card .eyebrow { display: flex; justify-content: center; position: relative; }
.onb-mark { position: relative; display: grid; margin-inline: auto; place-items: center; width: 96px; height: 96px; margin-bottom: var(--space-5); }
.brand-mark-xl { width: 68px; height: 68px; border-radius: 22px; font-size: 2rem; }
.onb-orbit { position: absolute; inset: 0; border-radius: 50%; border: 1.5px dashed color-mix(in srgb, var(--gold) 60%, transparent); animation: spin 18s linear infinite; }
.onb-title { font-size: clamp(1.8rem, 4vw + 1rem, 2.4rem); margin-bottom: var(--space-3); position: relative; }
.onb-lead { margin: 0 auto var(--space-6); }
.onb-form { display: grid; gap: var(--space-5); text-align: left; position: relative; }
.input-lg { min-height: 52px; font-size: 1.05rem; }
.onb-privacy { display: flex; justify-content: center; align-items: center; gap: var(--space-2); margin: var(--space-5) 0 0; font-size: .82rem; color: var(--text-muted); }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 4px; border-radius: var(--radius-sm); background: var(--surface-2); border: 1px solid var(--border); }
.seg-item { position: relative; }
.seg-item input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg-item span, .seg-btn { display: flex; align-items: center; justify-content: center; min-height: 42px; border-radius: 11px; font-weight: 640; color: var(--text-muted); transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.seg-item input:checked + span, .seg-btn[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
.seg-item input:focus-visible + span { box-shadow: var(--ring); }
.seg-btn { border: 0; background: transparent; cursor: pointer; font: inherit; }
.seg-sm .seg-btn { min-height: 36px; font-size: .9rem; }

/* ---------------------------------------------------------------- map */
.map-head { display: grid; gap: var(--space-5); margin-bottom: var(--space-8); background: radial-gradient(500px 220px at 100% 0%, color-mix(in srgb, var(--gold) 16%, transparent), transparent 70%), var(--surface); }
.map-head-top { display: flex; align-items: center; gap: var(--space-4); }
.avatar-xl { width: 64px; height: 64px; font-size: 1.5rem; }
.map-hello { font-size: clamp(1.5rem, 2vw + 1rem, 2rem); margin: 0 0 var(--space-2); }
.map-rank { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); font-size: .9rem; }
.map-progress-text { margin: var(--space-2) 0 0; font-size: .85rem; color: var(--text-muted); }
.map-stats { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.map-stats li { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--radius-pill); background: var(--surface-2); font-size: .82rem; font-weight: 620; }
.map-cta .btn { width: 100%; }
.map-cta .btn .icon { order: 2; }
.map-alldone { display: flex; align-items: center; gap: var(--space-2); margin: 0; font-weight: 600; color: var(--gold); }
.map-section-head { margin-bottom: var(--space-4); }
.map-section-head h2 { margin-bottom: var(--space-1); }
.map-section-head p { margin: 0; font-size: .92rem; }
.map-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.map-item { --chapter-color: var(--accent); position: relative; width: 100%; display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); align-items: center; padding: var(--space-4); border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); color: var(--text); text-align: left; cursor: pointer; font: inherit; box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.map-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--chapter-color) 45%, var(--border)); }
.map-item:focus-visible { outline: none; box-shadow: var(--ring); }
.map-item.is-locked { cursor: not-allowed; background: color-mix(in srgb, var(--surface-2) 50%, var(--surface)); box-shadow: none; }
.map-item.is-locked:hover { transform: none; border-color: var(--border); }
.map-item.is-locked .story-icon { filter: grayscale(1); opacity: .55; }
.map-item-body { display: grid; gap: 3px; min-width: 0; }
.map-item-meta { display: inline-flex; align-items: center; gap: 6px; font-size: .74rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--text-muted); }
.map-item-title { font-family: var(--font-display); font-weight: 650; font-size: 1.12rem; line-height: 1.25; }
.map-item-sub { font-size: .88rem; color: var(--text-muted); }
.map-item-best { font-size: .78rem; font-weight: 650; color: var(--gold); }
.map-pill { grid-column: 2; justify-self: start; display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: var(--radius-pill); font-size: .74rem; font-weight: 700; background: var(--surface-2); color: var(--text-muted); }
.map-pill.is-new { background: var(--accent-soft); color: var(--accent-strong); }
.map-pill.is-progress { background: var(--info-soft); color: var(--info); }
.map-pill.is-done { background: var(--success-soft); color: var(--success); }
.map-pill.is-perfect { background: var(--gold-soft); color: var(--gold); }
.map-kbd { display: none; align-items: center; gap: var(--space-2); margin: var(--space-6) 0 0; }
@media (min-width: 640px) {
  .map-item { grid-template-columns: auto 1fr auto; padding: var(--space-5); }
  .map-pill { grid-column: auto; justify-self: end; }
  .map-cta .btn { width: auto; }
}
@media (hover: hover) and (pointer: fine) { .map-kbd { display: flex; } }

/* ---------------------------------------------------------------- chapter chat */
.chat { padding-top: 0; }
.chat-head { position: sticky; top: 60px; z-index: 20; display: grid; grid-template-columns: auto 1fr; grid-template-areas: "back title" "bar bar"; align-items: center; gap: var(--space-2) var(--space-3); margin: 0 calc(var(--space-4) * -1) var(--space-4); padding: var(--space-3) var(--space-4); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.chat-back { grid-area: back; padding-inline: 8px; }
.chat-back span { display: none; }
.chat-title { grid-area: title; display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
.chat-kicker { margin: 0; font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); }
.chat-name { margin: 0; font-size: 1.02rem; font-family: var(--font-display); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-progress { grid-area: bar; height: 4px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.chat-progress > span { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--chapter-color, var(--accent)); transition: width 500ms var(--ease); }
.chat-note { display: flex; align-items: flex-start; gap: var(--space-2); margin: 0 0 var(--space-4); padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); background: var(--info-soft); font-size: .85rem; }
.chat-note .icon { margin-top: 2px; color: var(--info); }
@media (min-width: 640px) {
  .chat-head { margin-inline: 0; border: 1px solid var(--border); border-top: 0; border-radius: 0 0 var(--radius) var(--radius); }
  .chat-back span { display: inline; }
}

.chat-log { list-style: none; margin: 0; padding: 0 0 var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.chat-log > li { scroll-margin-top: 140px; scroll-margin-bottom: 120px; }
.chat-divider { display: flex; align-items: center; gap: var(--space-3); margin: var(--space-3) 0; color: var(--text-muted); font-size: .76rem; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; }
.chat-divider::before, .chat-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.msg { display: flex; align-items: flex-end; gap: var(--space-2); max-width: 88%; }
.msg .avatar { width: 32px; height: 32px; font-size: .82rem; margin-bottom: 2px; }
.msg-body { min-width: 0; }
.msg-name { display: block; margin: 0 0 4px 6px; font-size: .72rem; font-weight: 700; color: var(--text-muted); }
.bubble { padding: 11px 15px; border-radius: 20px 20px 20px 6px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); line-height: 1.55; overflow-wrap: anywhere; }
.bubble code { font-size: .85em; }
.msg-claude .bubble { background: color-mix(in srgb, var(--gold-soft) 70%, var(--surface)); border-color: color-mix(in srgb, var(--gold) 25%, var(--border)); }
.msg-user { align-self: flex-end; flex-direction: row-reverse; }
.msg-user .msg-name { text-align: right; margin: 0 6px 4px 0; }
.msg-user .bubble { background: var(--accent-strong); border-color: transparent; color: var(--accent-contrast); border-radius: 20px 20px 6px 20px; }
.msg-user .bubble code { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .25); color: inherit; }
.msg-narrator { align-self: center; max-width: 92%; text-align: center; }
.msg-narration { margin: 0; padding: var(--space-2) var(--space-4); font-style: italic; color: var(--text-muted); font-family: var(--font-display); }
.msg.is-new { animation: bubble-in 300ms var(--ease) both; }
.msg-user.is-new { animation-name: bubble-in-right; }
@keyframes bubble-in { from { opacity: 0; transform: translateY(8px) scale(.98); transform-origin: left bottom; } to { opacity: 1; transform: none; } }
@keyframes bubble-in-right { from { opacity: 0; transform: translateY(8px) scale(.98); transform-origin: right bottom; } to { opacity: 1; transform: none; } }
.bubble.typing { display: inline-flex; gap: 5px; align-items: center; padding: 14px 16px; }
.bubble.typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--text-muted); opacity: .4; animation: typing-dot 1.1s infinite ease-in-out; }
.bubble.typing span:nth-child(2) { animation-delay: .15s; }
.bubble.typing span:nth-child(3) { animation-delay: .3s; }
@keyframes typing-dot { 0%, 60%, 100% { transform: translateY(0); opacity: .35; } 30% { transform: translateY(-4px); opacity: .9; } }

.tip-card { display: flex; gap: var(--space-3); align-items: flex-start; margin-left: 40px; padding: var(--space-4); border-radius: var(--radius-sm); background: linear-gradient(135deg, var(--gold-soft), var(--surface) 80%); border: 1px solid color-mix(in srgb, var(--gold) 30%, var(--border)); animation: bubble-in 300ms var(--ease) both; }
.tip-icon { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--surface); color: var(--gold); flex: none; }
.tip-title { margin: 0 0 2px; font-size: .74rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; color: var(--gold); }
.tip-text { margin: 0; font-size: .93rem; }

/* question cards (never contain ads) */
.q-card { margin: var(--space-2) 0 0 40px; padding: var(--space-4); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); animation: bubble-in 320ms var(--ease) both; }
.q-hint { display: flex; align-items: center; gap: var(--space-2); margin: 0 0 var(--space-3); font-size: .78rem; font-weight: 650; color: var(--text-muted); }
.q-opts { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.q-opt { width: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--space-3); min-height: 52px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); text-align: left; font: inherit; font-size: .95rem; line-height: 1.4; cursor: pointer; transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.q-opt:hover:not(:disabled) { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); background: var(--surface); }
.q-opt:active:not(:disabled) { transform: scale(.99); }
.q-opt:focus-visible { outline: none; box-shadow: var(--ring); }
.q-opt:disabled { cursor: default; }
.q-key { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; background: var(--surface-2); color: var(--text-muted); font-size: .76rem; font-weight: 750; flex: none; }
.q-mark { display: inline-flex; align-items: center; min-width: 16px; }
.q-opt.is-selected { border-color: var(--accent); background: var(--accent-soft); }
.q-opt.is-selected .q-key { background: var(--accent-strong); color: var(--accent-contrast); }
.q-check .q-tick { display: none; }
.q-opt.is-selected .q-check .q-num { display: none; }
.q-opt.is-selected .q-check .q-tick { display: block; }
.q-opt.is-correct { border-color: var(--success); background: var(--success-soft); }
.q-opt.is-correct .q-key, .q-opt.is-answer .q-key { background: var(--success); color: #fff; }
.q-opt.is-correct .q-mark, .q-opt.is-answer .q-mark { color: var(--success); }
.q-opt.is-wrong { border-color: var(--danger); background: var(--danger-soft); }
.q-opt.is-wrong .q-key { background: var(--danger); color: #fff; }
.q-opt.is-wrong .q-mark { color: var(--danger); }
.q-opt.is-wrong { animation: shake 360ms var(--ease); }
.q-opt.is-neutral { border-color: var(--accent); background: var(--accent-soft); }
.q-opt.is-answer { border-color: var(--success); border-style: dashed; }
.q-opt.is-missed { border-color: var(--success); border-style: dashed; }
.q-missed { font-size: .7rem; font-weight: 700; color: var(--success); text-transform: uppercase; letter-spacing: .04em; }
.q-opt.is-dim { opacity: .55; }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

/* builder */
.builder-box { padding: var(--space-3); border-radius: var(--radius-sm); background: var(--bg); border: 1px dashed color-mix(in srgb, var(--accent) 45%, var(--border)); margin-bottom: var(--space-4); }
.builder-label { display: flex; align-items: center; gap: 6px; margin: 0 0 var(--space-2); font-size: .74rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); }
.builder-label-pieces { margin-top: var(--space-2); }
.builder-prompt { min-height: 64px; font-size: .95rem; line-height: 1.9; }
.builder-empty { color: var(--text-muted); font-style: italic; }
.prompt-chip { display: inline; padding: 3px 6px 3px 8px; margin: 0; border-radius: 8px; border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border)); background: var(--accent-soft); color: var(--text); font: inherit; line-height: 1.7; cursor: pointer; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.prompt-chip .icon { display: inline-block; vertical-align: -2px; margin-left: 4px; color: var(--text-muted); }
.prompt-chip.is-good { background: var(--success-soft); border-color: color-mix(in srgb, var(--success) 40%, transparent); cursor: default; }
.prompt-chip.is-good .icon { color: var(--success); margin: 0 4px 0 0; }
.prompt-chip.is-bad { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 40%, transparent); cursor: default; text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--danger) 60%, transparent); }
.prompt-chip.is-bad .icon { color: var(--danger); margin: 0 4px 0 0; }
.builder-pieces { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.piece { width: 100%; display: grid; grid-template-columns: auto 1fr auto; gap: var(--space-3); align-items: center; padding: 10px 12px; min-height: 48px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); font: inherit; font-size: .92rem; text-align: left; cursor: pointer; transition: opacity var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease); }
.piece:hover:not(:disabled) { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); }
.piece:focus-visible { outline: none; box-shadow: var(--ring); }
.piece.is-used { opacity: .45; background: var(--surface-2); text-decoration: line-through; text-decoration-color: var(--text-muted); }
.piece.is-correct { border-color: var(--success); background: var(--success-soft); }
.piece.is-wrong { border-color: var(--danger); background: var(--danger-soft); }
.piece.is-missed { border-color: var(--success); border-style: dashed; }
.piece.is-dim { opacity: .55; }
.piece:disabled { cursor: default; }
.piece-tag { font-size: .68rem; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.piece.is-correct .piece-tag, .piece.is-missed .piece-tag { color: var(--success); }
.piece.is-wrong .piece-tag, .piece.is-dim .piece-tag { color: var(--danger); }

/* feedback */
.fb-card { position: relative; display: flex; gap: var(--space-3); align-items: flex-start; margin-left: 40px; padding: var(--space-4); border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); animation: fb-in 360ms cubic-bezier(.2, 1.2, .4, 1) both; }
.fb-icon { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; flex: none; color: #fff; }
.fb-card.is-correct { border-color: color-mix(in srgb, var(--success) 40%, var(--border)); background: linear-gradient(135deg, var(--success-soft), var(--surface) 75%); }
.fb-card.is-correct .fb-icon { background: var(--success); }
.fb-card.is-wrong { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); background: linear-gradient(135deg, var(--danger-soft), var(--surface) 75%); }
.fb-card.is-wrong .fb-icon { background: var(--danger); }
.fb-card.is-partial { border-color: color-mix(in srgb, var(--warning) 45%, var(--border)); background: linear-gradient(135deg, var(--warning-soft), var(--surface) 75%); }
.fb-card.is-partial .fb-icon { background: var(--warning); }
.fb-card.is-neutral { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); background: linear-gradient(135deg, var(--accent-soft), var(--surface) 75%); }
.fb-card.is-neutral .fb-icon { background: var(--accent-strong); }
.fb-body { min-width: 0; }
.fb-title { margin: 4px 0 var(--space-1); font-weight: 750; }
.fb-text { margin: 0; font-size: .94rem; }
.fb-detail { margin: var(--space-2) 0 0; font-size: .82rem; font-weight: 600; color: var(--text-muted); }
.fb-meta { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-3) 0 0; }
.fb-xp, .fb-combo { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 99px; font-size: .78rem; font-weight: 750; }
.fb-xp { background: var(--gold-soft); color: var(--gold); }
.fb-combo { background: var(--accent-soft); color: var(--accent-strong); }
.xp-float { position: absolute; right: 18px; top: -6px; pointer-events: none; font-weight: 800; font-size: 1.15rem; color: var(--gold); text-shadow: 0 1px 0 var(--surface); animation: xp-float 1.6s var(--ease) both; }
.xp-float small { font-size: .7em; color: var(--accent-strong); }
@keyframes fb-in { from { opacity: 0; transform: translateY(10px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes xp-float { 0% { opacity: 0; transform: translateY(10px) scale(.85); } 18% { opacity: 1; transform: translateY(0) scale(1.08); } 70% { opacity: 1; } 100% { opacity: 0; transform: translateY(-26px); } }

/* dock (primary action, thumb-reachable) */
.chat-dock { position: sticky; bottom: 0; z-index: 15; display: flex; gap: var(--space-2); justify-content: flex-end; padding: var(--space-4) 0 calc(var(--space-4) + env(safe-area-inset-bottom, 0px)); background: linear-gradient(180deg, transparent, var(--bg) 35%); min-height: 86px; }
.chat-dock.is-empty { min-height: 86px; }
.chat-dock .btn { flex: 1; }
.dock-btn .icon:last-child { order: 2; }
@media (min-width: 640px) { .chat-dock .btn { flex: 0 0 auto; min-width: 180px; } }

/* end screen */
.end-card { margin-top: var(--space-4); padding: var(--space-8) var(--space-6); border-radius: var(--radius-lg); text-align: center; background: radial-gradient(420px 200px at 50% 0%, color-mix(in srgb, var(--gold) 22%, transparent), transparent 70%), var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lg); animation: fb-in 480ms cubic-bezier(.2, 1.2, .4, 1) both; }
.end-trophy { display: inline-grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; background: var(--gold-soft); color: var(--gold); margin-bottom: var(--space-4); animation: pop 700ms cubic-bezier(.2, 1.5, .4, 1) both; }
.end-title { margin-bottom: var(--space-1); }
.end-chapter { color: var(--text-muted); margin-bottom: var(--space-6); }
.end-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); margin: 0 0 var(--space-5); }
.end-stats > div { padding: var(--space-3) var(--space-2); border-radius: var(--radius-sm); background: var(--bg); border: 1px solid var(--border); }
.end-stats dt { font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--text-muted); }
.end-stats dd { margin: 4px 0 0; font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.end-notes { display: grid; gap: var(--space-2); margin-bottom: var(--space-5); }
.end-note { display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin: 0; padding: 8px 12px; border-radius: var(--radius-sm); background: var(--surface-2); font-size: .88rem; font-weight: 600; }
.end-note.is-perfect, .end-note.is-rank { background: var(--gold-soft); color: var(--text); }
.end-note.is-perfect .icon, .end-note.is-rank .icon { color: var(--gold); }
.end-rank { text-align: left; margin-bottom: var(--space-5); }
.end-rank-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2); margin: 0 0 var(--space-2); font-size: .88rem; }
.end-sub { margin: 0 0 var(--space-2); font-size: .74rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); }
.end-badges { margin-bottom: var(--space-5); }
.badge-chips { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); text-align: left; }
.badge-chip { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); background: var(--gold-soft); }
.badge-chip span { display: grid; }
.badge-chip small { color: var(--text-muted); }
.end-actions { display: grid; gap: var(--space-2); }
.end-actions .btn-primary .icon { order: 2; }
.end-ad { margin-top: var(--space-4); }
.ad-box-end { width: 100%; }
@media (min-width: 640px) { .end-actions { display: flex; justify-content: center; flex-wrap: wrap; } }
@keyframes pop { from { transform: scale(.3) rotate(-12deg); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------------------------------------------------------------- dialogs (profile, badge, confirm) */
.g-dialog { width: min(560px, calc(100vw - 24px)); max-height: calc(100vh - 32px); padding: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg); overflow: auto; }
.g-dialog::backdrop { background: rgba(20, 19, 18, .5); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
.g-dialog[open] { animation: dlg-in 260ms var(--ease) both; }
@keyframes dlg-in { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.profile-inner { padding: var(--space-6); }
.profile-head { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--space-4); margin-bottom: var(--space-4); }
.profile-title { margin: 0 0 var(--space-1); font-size: 1.4rem; }
.profile-sub { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); font-size: .88rem; }
.profile-progress { margin-bottom: var(--space-2); }
.profile-name-form { margin: var(--space-5) 0; display: grid; gap: 6px; }
.input-row { display: flex; gap: var(--space-2); }
.input-row .input { flex: 1; min-width: 0; }
.p-tags { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); margin: 0 0 var(--space-5); }
.p-tags > div, .p-stat { padding: var(--space-3); border-radius: var(--radius-sm); background: var(--bg); border: 1px solid var(--border); }
.p-tags dt, .p-stat dt { font-size: .7rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); }
.p-tags dd { margin: 2px 0 0; font-weight: 650; }
.profile-h { font-family: var(--font-sans); font-size: .82rem; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); margin: var(--space-5) 0 var(--space-3); }
.p-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2); margin: 0; }
.p-stat dd { margin: 2px 0 0; font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.p-badges { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.p-badge { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.p-badge span:last-child { display: grid; min-width: 0; }
.p-badge small { color: var(--text-muted); font-size: .8rem; }
.p-badge.is-earned { background: var(--gold-soft); border-color: transparent; }
.p-badge.is-locked { opacity: .7; }
.profile-foot { display: grid; gap: var(--space-3); margin-top: var(--space-6); padding-top: var(--space-4); border-top: 1px solid var(--border); }
.profile-foot p { display: flex; align-items: center; gap: var(--space-2); margin: 0; }
.btn-danger-text { color: var(--danger); justify-self: start; }
.btn-danger-text:hover { background: var(--danger-soft); color: var(--danger); }
.dlg-close { align-self: start; }
@media (min-width: 560px) { .p-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); } .p-badges { grid-template-columns: 1fr 1fr; } }

.badge-dialog { width: min(400px, calc(100vw - 24px)); overflow: hidden; }
.badge-dlg { position: relative; padding: var(--space-8) var(--space-6) var(--space-6); text-align: center; }
.badge-dlg .eyebrow { display: flex; justify-content: center; }
.badge-dlg-glow { display: grid; margin-inline: auto; place-items: center; width: 112px; height: 112px; margin-bottom: var(--space-4); border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--gold) 35%, transparent), transparent); animation: pop 700ms cubic-bezier(.2, 1.5, .4, 1) both; }
.badge-dlg-title { margin-bottom: var(--space-2); }
.badge-dlg .btn { margin-top: var(--space-4); }
.confirm { width: min(420px, calc(100vw - 24px)); }
.confirm-inner { padding: var(--space-6); text-align: center; }
.confirm-icon { display: inline-grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; background: var(--danger-soft); color: var(--danger); margin-bottom: var(--space-3); }
.confirm-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: center; margin-top: var(--space-5); }

/* ---------------------------------------------------------------- confetti */
.confetti { position: fixed; inset: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 120; display: none; }
.confetti.is-on { display: block; }
.confetti.is-dialog { position: absolute; width: 100%; height: 100%; z-index: 0; }
.badge-dialog .badge-dlg { z-index: 1; }

/* ---------------------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
  .game-view, .msg.is-new, .tip-card, .q-card, .fb-card, .end-card, .end-trophy, .badge-dlg-glow, .g-dialog[open], .q-opt.is-wrong, .onb-orbit { animation: none !important; }
  .xp-float { animation-duration: 1ms; opacity: 0; }
  .hud-bar > span, .chat-progress > span { transition: none; }
  .bubble.typing span { animation: none; opacity: .6; }
}

@media (max-width: 420px) {
  .q-card, .fb-card, .tip-card { margin-left: 0; }
  .msg { max-width: 94%; }
}