/* ---------- Spell — design tokens ---------- */
:root {
  /* warm playful (default) */
  --bg: oklch(0.965 0.018 78);
  --bg-2: oklch(0.985 0.012 85);
  --paper: oklch(0.99 0.008 85);
  --ink: oklch(0.24 0.025 55);
  --ink-2: oklch(0.42 0.02 60);
  --ink-3: oklch(0.62 0.018 65);
  --hair: oklch(0.88 0.018 75);
  --hair-2: oklch(0.93 0.012 78);

  --coral: oklch(0.70 0.16 35);
  --coral-ink: oklch(0.42 0.13 32);
  --blue: oklch(0.58 0.14 250);
  --blue-soft: oklch(0.92 0.04 250);
  --yellow: oklch(0.86 0.14 92);
  --green: oklch(0.72 0.14 145);
  --green-ink: oklch(0.42 0.12 145);
  --red: oklch(0.62 0.18 25);

  --font-display: "Bricolage Grotesque", ui-serif, Georgia, serif;
  --font-body: "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --shadow-card: 0 1px 0 oklch(0.99 0.008 85), 0 8px 28px -16px oklch(0.30 0.05 60 / 0.18);
  --shadow-lift: 0 1px 0 oklch(0.99 0.008 85), 0 22px 50px -22px oklch(0.30 0.05 60 / 0.28);
}

/* editorial */
[data-theme="editorial"] {
  --bg: #ffffff;
  --bg-2: #fafaf8;
  --paper: #ffffff;
  --ink: #0e0e0c;
  --ink-2: #4a4a46;
  --ink-3: #8a8a84;
  --hair: #ecebe6;
  --hair-2: #f4f3ef;
  --coral: #111111;
  --coral-ink: #111111;
  --blue: #2b3a55;
  --blue-soft: #eef1f6;
  --yellow: #f0d97b;
  --green: #2e7a3f;
  --green-ink: #1a4a25;
  --red: #b03020;
  --shadow-card: 0 1px 0 #fff, 0 4px 18px -10px rgba(0,0,0,0.10);
  --shadow-lift: 0 1px 0 #fff, 0 16px 32px -16px rgba(0,0,0,0.18);
}

/* dark */
[data-theme="dark"] {
  --bg: oklch(0.18 0.018 260);
  --bg-2: oklch(0.22 0.022 260);
  --paper: oklch(0.24 0.025 260);
  --ink: oklch(0.96 0.012 90);
  --ink-2: oklch(0.78 0.018 80);
  --ink-3: oklch(0.55 0.022 80);
  --hair: oklch(0.32 0.028 260);
  --hair-2: oklch(0.28 0.025 260);
  --coral: oklch(0.74 0.16 35);
  --coral-ink: oklch(0.82 0.16 35);
  --blue: oklch(0.72 0.14 230);
  --blue-soft: oklch(0.30 0.06 250);
  --yellow: oklch(0.86 0.14 92);
  --green: oklch(0.78 0.14 150);
  --green-ink: oklch(0.86 0.14 150);
  --red: oklch(0.72 0.18 25);
  --shadow-card: 0 1px 0 oklch(0.30 0.025 260), 0 16px 30px -16px rgba(0,0,0,0.55);
  --shadow-lift: 0 1px 0 oklch(0.30 0.025 260), 0 26px 60px -22px rgba(0,0,0,0.65);
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
.mono { font-family: var(--font-mono); }
.display { font-family: var(--font-display); letter-spacing: -0.01em; }

/* ---------- layout shell ---------- */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  height: 100vh;
  background: var(--bg);
}

.sidebar {
  border-right: 1px solid var(--hair);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  background: var(--bg-2);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 999px;
  background: var(--coral);
  display: inline-block;
  transform: translateY(-2px);
}
.brand .sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-group-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 12px 10px 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  width: 100%;
  transition: background 120ms, color 120ms;
}
.nav-item:hover { background: var(--hair-2); color: var(--ink); }
.nav-item[aria-current="true"] {
  background: var(--ink);
  color: var(--bg);
}
.nav-item .ic { width: 16px; height: 16px; opacity: 0.9; }
.nav-item .badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--coral);
  color: #fff;
  padding: 2px 6px;
  border-radius: 999px;
}

.sidebar .me {
  margin-top: auto;
  display: flex; align-items: center; gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  border: 1px solid var(--hair);
}
.avatar {
  width: 34px; height: 34px; border-radius: 999px;
  background: var(--coral);
  color: white; display: grid; place-items: center;
  font-weight: 700; font-family: var(--font-display);
  font-size: 15px;
  flex-shrink: 0;
}
.me .who { display: flex; flex-direction: column; line-height: 1.2; }
.me .who .name { font-weight: 600; font-size: 13px; }
.me .who .meta { font-family: var(--font-mono); font-size: 10px; color: var(--ink-3); }

/* ---------- main scroll area ---------- */
.main { overflow: auto; position: relative; }
.main::-webkit-scrollbar { width: 10px; height: 10px; }
.main::-webkit-scrollbar-thumb { background: var(--hair); border-radius: 999px; }

.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 32px;
  border-bottom: 1px solid var(--hair);
  position: sticky; top: 0; z-index: 4;
  background: var(--bg);
}
.topbar .crumb {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--ink-3); text-transform: uppercase;
}
.topbar h1 {
  margin: 0; font-family: var(--font-display); font-size: 22px;
  letter-spacing: -0.01em; font-weight: 600;
}
.topbar .spacer { flex: 1; }
.topbar .stat {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--hair);
  background: var(--paper);
  font-size: 13px;
}
.topbar .stat .n { font-family: var(--font-mono); font-weight: 600; }
.flame { color: var(--coral); }
.bolt { color: var(--blue); }

.page { padding: 28px 32px 48px; }
.page-narrow { max-width: 1080px; margin: 0 auto; }

/* ---------- cards ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
  transition: transform 80ms, background 120ms, border-color 120ms;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--coral-ink); }
.btn-ghost { border-color: var(--hair); background: var(--paper); color: var(--ink); }
.btn-ghost:hover { background: var(--bg-2); }
.btn-coral { background: var(--coral); color: white; }
.btn-coral:hover { filter: brightness(0.95); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 14px 22px; font-size: 16px; }

/* ---------- library grid ---------- */
.lib-hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 18px;
  margin-bottom: 28px;
}
.lib-hero .featured {
  background: linear-gradient(135deg, var(--coral), oklch(0.78 0.16 60));
  color: white;
  padding: 26px 28px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 0;
}
[data-theme="editorial"] .lib-hero .featured { background: #111; color: #fff; }
[data-theme="dark"] .lib-hero .featured { background: linear-gradient(135deg, var(--coral), oklch(0.6 0.15 25)); }
.featured .kicker {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; opacity: 0.88;
}
.featured h2 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 38px; line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.featured .meta { font-size: 13px; opacity: 0.9; }
.featured .cta {
  margin-top: 18px;
  background: rgba(255,255,255,0.96);
  color: var(--ink);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 999px;
  font-weight: 600;
}
.featured .deco {
  position: absolute; right: -40px; bottom: -50px;
  font-family: var(--font-display); font-weight: 700;
  font-size: 240px; opacity: 0.08; letter-spacing: -0.04em;
  line-height: 0.9;
}
.lib-hero .continue {
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid var(--hair);
  display: flex; flex-direction: column;
}
.continue .label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-3);
}
.continue h3 {
  margin: 6px 0 4px;
  font-family: var(--font-display); font-size: 24px;
  font-weight: 600; letter-spacing: -0.01em;
}
.continue .progress {
  margin-top: auto;
  height: 6px; border-radius: 999px;
  background: var(--hair-2);
  overflow: hidden;
}
.continue .progress > span {
  display: block; height: 100%;
  background: var(--coral); border-radius: 999px;
}
.continue .mini-row {
  display: flex; gap: 10px; font-size: 12px; color: var(--ink-3);
  margin-top: 8px;
}

.section-head {
  display: flex; align-items: baseline; gap: 14px;
  margin: 28px 0 14px;
}
.section-head h2 {
  margin: 0; font-family: var(--font-display);
  font-size: 22px; font-weight: 600; letter-spacing: -0.01em;
}
.section-head .more {
  margin-left: auto; font-size: 13px; color: var(--ink-3);
}
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.module-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--paper);
  border: 1px solid var(--hair);
  text-align: left;
  display: flex; flex-direction: column;
  gap: 8px;
  transition: transform 120ms, box-shadow 120ms;
}
.module-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.module-card .swatch {
  height: 84px; border-radius: var(--radius-sm);
  background: var(--blue-soft);
  position: relative; overflow: hidden;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.module-card .tag-row {
  display: flex; gap: 6px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.module-card .title {
  font-family: var(--font-display); font-weight: 600;
  font-size: 17px; letter-spacing: -0.005em;
}
.module-card .meta {
  font-size: 12px; color: var(--ink-3);
  display: flex; gap: 10px; align-items: center;
  margin-top: auto;
}
.module-card .dot-sep { width: 3px; height: 3px; border-radius: 999px; background: var(--ink-3); display: inline-block; }

/* swatch colors */
.sw-coral { background: oklch(0.92 0.08 35); }
.sw-blue { background: oklch(0.92 0.06 250); }
.sw-yellow { background: oklch(0.93 0.10 95); }
.sw-green { background: oklch(0.92 0.08 150); }
.sw-violet { background: oklch(0.92 0.06 300); }
.sw-mint { background: oklch(0.92 0.07 170); }
.sw-rose { background: oklch(0.92 0.06 10); }
.sw-sand { background: oklch(0.94 0.04 85); }

/* ---------- session screen ---------- */
.session {
  display: grid;
  grid-template-columns: 1fr;
  height: calc(100vh - 65px);
  position: relative;
}

.session-top {
  display: flex; align-items: center; gap: 18px;
  padding: 22px 32px;
}
.session-top .word-count {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.08em; color: var(--ink-3);
  text-transform: uppercase;
}
.session-top .module-name {
  font-family: var(--font-display); font-size: 18px;
  font-weight: 600;
}
.session-top .progress-bar {
  flex: 1; max-width: 360px; margin-left: 10px;
  height: 6px; border-radius: 999px;
  background: var(--hair-2); overflow: hidden;
}
.session-top .progress-bar > span {
  display: block; height: 100%; background: var(--coral);
  border-radius: 999px;
  transition: width 320ms ease;
}
.session-top .right {
  margin-left: auto;
  display: flex; gap: 10px;
}
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--hair);
  font-size: 13px;
}
.pill .n { font-family: var(--font-mono); font-weight: 600; }

.session-stage {
  display: grid;
  grid-template-rows: 1fr auto auto;
  align-items: center;
  padding: 0 32px 24px;
  gap: 12px;
  min-height: 0;
}

/* orb */
.orb-wrap {
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.orb {
  width: 260px; height: 260px;
  border-radius: 999px;
  display: grid; place-items: center;
  position: relative;
  background: radial-gradient(circle at 35% 30%, oklch(0.88 0.10 40), var(--coral) 70%);
  color: #fff;
  box-shadow:
    0 30px 70px -30px oklch(0.55 0.16 30 / 0.55),
    inset 0 -20px 50px oklch(0.50 0.16 30 / 0.30);
  transition: transform 280ms cubic-bezier(.4,1.4,.5,1), background 200ms;
}
[data-theme="editorial"] .orb {
  background: radial-gradient(circle at 35% 30%, #2a2a2a, #111 70%);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,0.4);
}
[data-theme="dark"] .orb {
  background: radial-gradient(circle at 35% 30%, oklch(0.78 0.16 35), oklch(0.55 0.16 30) 70%);
}
.orb .label {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
  opacity: 0.85;
}
.orb .label .blink { animation: blink 1.1s steps(2, end) infinite; }
@keyframes blink { 50% { opacity: 0.3; } }

.orb.state-playing { animation: pulse-play 1.8s ease-in-out infinite; }
.orb.state-listening { animation: pulse-listen 1.2s ease-in-out infinite; }
.orb.state-correct {
  background: radial-gradient(circle at 35% 30%, oklch(0.86 0.12 150), var(--green) 70%);
}
.orb.state-wrong {
  background: radial-gradient(circle at 35% 30%, oklch(0.82 0.14 30), var(--red) 70%);
}
.orb.state-idle { transform: scale(0.95); opacity: 0.92; }

@keyframes pulse-play {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
@keyframes pulse-listen {
  0%, 100% { transform: scale(1); box-shadow:
    0 30px 70px -30px oklch(0.55 0.16 30 / 0.55),
    0 0 0 0 oklch(0.7 0.16 35 / 0.55); }
  50% { transform: scale(1.025); box-shadow:
    0 30px 70px -30px oklch(0.55 0.16 30 / 0.55),
    0 0 0 28px oklch(0.7 0.16 35 / 0); }
}

.orb-rings {
  position: absolute; inset: -60px;
  border-radius: 999px;
  pointer-events: none;
}
.orb-rings .ring {
  position: absolute; inset: 0; border-radius: 999px;
  border: 1px solid var(--coral);
  opacity: 0;
  animation: ring 2s ease-out infinite;
}
[data-theme="editorial"] .orb-rings .ring { border-color: #111; }
.orb-rings .ring.r2 { animation-delay: 0.7s; }
.orb-rings .ring.r3 { animation-delay: 1.4s; }
@keyframes ring {
  0% { opacity: 0.55; transform: scale(0.7); }
  100% { opacity: 0; transform: scale(1.12); }
}

/* waveform bars */
.wave {
  display: flex; gap: 4px; align-items: end;
  height: 56px;
  margin-top: 4px;
}
.wave .bar {
  width: 4px; border-radius: 999px;
  background: rgba(255,255,255,0.85);
}

/* prompt */
.session-prompt {
  text-align: center;
  display: flex; flex-direction: column;
  align-items: center; gap: 6px;
}
.session-prompt .step {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
}
.session-prompt .heading {
  font-family: var(--font-display);
  font-size: 30px; font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 700px;
}
.session-prompt .heading em {
  background: var(--yellow); padding: 0 6px;
  font-style: normal; border-radius: 6px;
}
[data-theme="dark"] .session-prompt .heading em { color: oklch(0.22 0.025 90); }

/* letter cards */
.letters {
  display: flex; gap: 8px; justify-content: center;
  flex-wrap: wrap; min-height: 90px;
  margin-top: 6px;
}
.letter {
  width: 58px; height: 76px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hair);
  background: var(--paper);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 32px; font-weight: 600;
  color: var(--ink);
  position: relative;
  animation: pop 220ms cubic-bezier(.4,1.6,.5,1) both;
}
.letter.empty {
  background: transparent; border: 1px dashed var(--hair);
  color: transparent;
}
.letter.hidden-letter {
  background: var(--bg-2);
  color: var(--ink-3);
  font-family: var(--font-mono); font-size: 22px;
}
.letter.correct { border-color: var(--green); background: oklch(0.96 0.06 150); color: var(--green-ink); }
.letter.wrong { border-color: var(--red); background: oklch(0.97 0.06 25); color: var(--red); }
[data-theme="dark"] .letter.correct { background: oklch(0.30 0.06 150); color: var(--green-ink); }
[data-theme="dark"] .letter.wrong { background: oklch(0.30 0.08 25); color: var(--red); }

/* live-progress states — used during the listening phase */
.letter.tentative {
  background: oklch(0.95 0.08 300);
  border-color: oklch(0.78 0.16 300);
  color: oklch(0.45 0.20 300);
  animation: live-pulse 1.2s ease-in-out infinite;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease;
}
.letter.confirmed {
  background: oklch(0.58 0.22 300);
  border-color: oklch(0.50 0.22 300);
  color: white;
  animation: none;
  transition: background 240ms ease, border-color 240ms ease, color 240ms ease;
}
[data-theme="dark"] .letter.tentative { background: oklch(0.32 0.10 300); color: oklch(0.85 0.16 300); }
[data-theme="dark"] .letter.confirmed { background: oklch(0.55 0.22 300); color: white; }

.live-progress {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.word-bookend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px dashed var(--hair);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  transition: all 240ms ease;
}
.word-bookend .dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: var(--ink-3); opacity: 0.35;
  transition: background 240ms ease, opacity 240ms ease;
}
.word-bookend.tentative {
  border-style: solid;
  border-color: oklch(0.78 0.16 300);
  background: oklch(0.97 0.05 300);
  color: oklch(0.45 0.20 300);
  animation: live-pulse 1.2s ease-in-out infinite;
}
.word-bookend.tentative .dot {
  background: oklch(0.65 0.20 300);
  opacity: 0.95;
}
.word-bookend.confirmed {
  border-style: solid;
  border-color: oklch(0.50 0.22 300);
  background: oklch(0.58 0.22 300);
  color: white;
  animation: none;
}
.word-bookend.confirmed .dot {
  background: white;
  opacity: 1;
}
[data-theme="dark"] .word-bookend.tentative { background: oklch(0.32 0.10 300); color: oklch(0.85 0.16 300); }
[data-theme="dark"] .word-bookend.confirmed { background: oklch(0.55 0.22 300); }

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 0 oklch(0.78 0.18 300 / 0.35); }
  50%      { box-shadow: 0 0 0 6px oklch(0.78 0.18 300 / 0.00); }
}

@keyframes pop {
  from { transform: scale(0.5) translateY(8px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

/* diff overlay (result) */
.diff {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px; margin-top: 4px;
}
.diff .label-row {
  display: flex; align-items: center; gap: 18px;
  font-family: var(--font-mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.diff-cells { display: flex; gap: 8px; }
.diff-col { display: flex; flex-direction: column; gap: 4px; align-items: center; }
.diff-col .you {
  width: 42px; height: 42px; border-radius: 8px;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 600; font-size: 22px;
}
.diff-col.match .you { background: oklch(0.94 0.06 150); color: var(--green-ink); border: 1px solid var(--green); }
.diff-col.miss .you { background: oklch(0.94 0.07 25); color: var(--red); border: 1px solid var(--red); text-decoration: line-through; }
.diff-col.extra .you { background: oklch(0.94 0.07 25); color: var(--red); border: 1px dashed var(--red); }
.diff-col.missing .you { background: transparent; border: 1px dashed var(--hair); color: var(--ink-3); }
.diff-col.uncertain .you { background: oklch(0.95 0.10 80); color: oklch(0.45 0.15 70); border: 1px solid oklch(0.78 0.15 80); }
[data-theme="dark"] .diff-col.match .you { background: oklch(0.32 0.06 150); }
[data-theme="dark"] .diff-col.miss .you { background: oklch(0.32 0.08 25); }
[data-theme="dark"] .diff-col.uncertain .you { background: oklch(0.32 0.10 80); color: oklch(0.88 0.12 80); }
.diff-col .truth {
  width: 42px; height: 42px; border-radius: 8px;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--ink-2);
  background: var(--bg-2);
}
.diff-col .arrow {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--ink-3);
}

/* session actions */
.session-actions {
  display: flex; gap: 10px; justify-content: center;
  padding-bottom: 8px;
}

/* xp burst overlay */
.xp-burst {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 48px;
  color: var(--coral);
  animation: xp 1.4s cubic-bezier(.3,1.5,.5,1) forwards;
  z-index: 9;
}
@keyframes xp {
  0% { opacity: 0; transform: translate(-50%, -30%) scale(0.6); }
  20% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
  100% { opacity: 0; transform: translate(-50%, -160%) scale(1); }
}

.confetti {
  position: absolute; inset: 0; pointer-events: none; z-index: 8;
  overflow: hidden;
}
.confetti span {
  position: absolute; top: 50%; left: 50%;
  width: 8px; height: 12px;
  border-radius: 2px;
  animation: conf 1.2s ease-out forwards;
}
@keyframes conf {
  0% { opacity: 1; transform: translate(-50%, -50%) rotate(var(--r,0deg)); }
  100% { opacity: 0; transform: translate(calc(-50% + var(--x,0px)), calc(-50% + var(--y,0px))) rotate(calc(var(--r,0deg) + 720deg)); }
}

/* ---------- tutor create module ---------- */
.tutor-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  align-items: start;
}
.tabs {
  display: inline-flex; padding: 4px;
  border-radius: 999px;
  background: var(--bg-2);
  border: 1px solid var(--hair);
  margin-bottom: 14px;
}
.tab {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px; font-weight: 500;
  color: var(--ink-2);
}
.tab[aria-selected="true"] {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--hair);
}

.word-input {
  display: flex; gap: 8px; align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hair);
  background: var(--paper);
}
.word-input input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font-size: 16px; padding: 6px 4px;
}
.word-input .add {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-3);
  border: 1px solid var(--hair);
  border-radius: 6px;
  padding: 3px 8px;
}

.dict-suggest {
  margin-top: 10px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-sm);
  background: var(--paper);
  overflow: hidden;
}
.dict-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--hair-2);
  cursor: pointer;
}
.dict-row:last-child { border-bottom: 0; }
.dict-row:hover { background: var(--bg-2); }
.dict-row .head {
  font-family: var(--font-display); font-weight: 600;
  font-size: 16px;
}
.dict-row .pos {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3);
}
.dict-row .def { color: var(--ink-2); font-size: 13px; flex: 1; }
.dict-row .ipa { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }

.word-list {
  display: flex; flex-direction: column;
  gap: 6px; margin-top: 14px;
}
.word-row {
  display: grid;
  grid-template-columns: 28px 1fr auto auto;
  gap: 12px; align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  border: 1px solid var(--hair);
}
.word-row .idx { font-family: var(--font-mono); color: var(--ink-3); font-size: 12px; }
.word-row .word { font-family: var(--font-display); font-weight: 600; font-size: 17px; }
.word-row .state {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3);
}
.word-row .state.ok { color: var(--green-ink); }
.word-row .icon-btn {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  border: 1px solid var(--hair);
  color: var(--ink-2);
}
.word-row .icon-btn:hover { background: var(--bg-2); color: var(--ink); }

/* camera panel */
.cam-panel {
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.cam {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, oklch(0.22 0.018 250), oklch(0.32 0.028 250));
  position: relative;
  overflow: hidden;
  color: white;
}
.cam .scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 38%, oklch(0.55 0.06 270 / 0) 30%, rgba(0,0,0,0.35) 75%);
}
.cam .cam-prompt {
  position: absolute; top: 18px; left: 18px; right: 18px;
  display: flex; flex-direction: column; gap: 4px;
  align-items: center;
}
.cam .small-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  opacity: 0.85;
  padding: 4px 10px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
}
.cam .your-word {
  font-family: var(--font-display);
  font-size: 38px; font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 6px;
}
.cam .cam-bottom {
  position: absolute; bottom: 14px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 10px;
}
.cam .rec-btn {
  width: 56px; height: 56px; border-radius: 999px;
  background: rgba(255,255,255,0.15);
  border: 3px solid rgba(255,255,255,0.85);
  display: grid; place-items: center;
}
.cam .rec-btn .inner {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--coral);
  transition: all 180ms;
}
.cam.recording .rec-btn .inner {
  width: 18px; height: 18px;
}
.cam .timer {
  position: absolute; top: 18px; right: 18px;
  font-family: var(--font-mono); font-size: 12px;
  background: rgba(0,0,0,0.45);
  padding: 4px 8px; border-radius: 6px;
}
.cam .timer .dot {
  display: inline-block; width: 7px; height: 7px;
  border-radius: 999px; background: var(--coral);
  margin-right: 6px;
  animation: blink 1.2s steps(2,end) infinite;
}
.cam .face {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 56%; aspect-ratio: 1;
  border: 1px dashed rgba(255,255,255,0.3);
  border-radius: 999px;
}

.cam-meta {
  display: flex; gap: 10px; align-items: center;
  font-size: 13px; color: var(--ink-2);
}
.cam-meta .lab { color: var(--ink-3); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; }

.tag-input {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 10px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-sm);
  background: var(--paper);
}
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-2);
  font-size: 12px;
  border: 1px solid var(--hair);
}
.tag .x { font-family: var(--font-mono); color: var(--ink-3); }
.tag-input input {
  flex: 1; min-width: 100px;
  border: 0; outline: 0; background: transparent;
  font-size: 13px;
}

.field {
  display: flex; flex-direction: column; gap: 6px;
}
.field label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3);
}
.field input[type="text"] {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hair);
  background: var(--paper); outline: 0;
  font-size: 15px;
}
.field input[type="text"]:focus { border-color: var(--ink); }

.toggle-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--hair); border-radius: var(--radius-sm);
  background: var(--paper);
}
.toggle-row .copy { display: flex; flex-direction: column; }
.toggle-row .copy .t { font-weight: 600; font-size: 14px; }
.toggle-row .copy .s { font-size: 12px; color: var(--ink-3); }

.switch {
  width: 40px; height: 22px; border-radius: 999px;
  background: var(--hair); position: relative;
  transition: background 160ms;
}
.switch::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px; border-radius: 999px;
  background: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: left 160ms;
}
.switch.on { background: var(--coral); }
.switch.on::after { left: 20px; }

/* ---------- results screen ---------- */
.result-hero {
  background: linear-gradient(135deg, var(--coral), oklch(0.78 0.14 60));
  border-radius: var(--radius-lg);
  padding: 36px;
  color: white;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px; align-items: center;
  position: relative; overflow: hidden;
}
[data-theme="editorial"] .result-hero { background: #111; color: #fff; }
[data-theme="dark"] .result-hero { background: linear-gradient(135deg, var(--coral), oklch(0.6 0.15 25)); }
.result-hero h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 54px; line-height: 1.0;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.result-hero .small {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  opacity: 0.85;
}
.result-hero .stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.result-hero .stat-card {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  padding: 14px 16px; border-radius: 14px;
}
.result-hero .stat-card .v {
  font-family: var(--font-display); font-size: 32px; font-weight: 700;
}
.result-hero .stat-card .k {
  font-size: 12px; opacity: 0.86;
}

.score-ring {
  width: 220px; height: 220px;
}

.review-list {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-top: 22px;
}
.review-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--paper); border: 1px solid var(--hair);
}
.review-row .iconpad {
  width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 13px;
  background: var(--bg-2); color: var(--ink-2);
}
.review-row.right .iconpad { background: oklch(0.94 0.06 150); color: var(--green-ink); }
.review-row.wrong .iconpad { background: oklch(0.94 0.07 25); color: var(--red); }
[data-theme="dark"] .review-row.right .iconpad { background: oklch(0.32 0.06 150); }
[data-theme="dark"] .review-row.wrong .iconpad { background: oklch(0.32 0.08 25); }
.review-row .word { font-family: var(--font-display); font-weight: 600; font-size: 16px; flex: 1; }
.review-row .yours { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }

/* ---------- discover screen ---------- */
.search-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  background: var(--paper); border: 1px solid var(--hair);
  border-radius: 999px;
  margin-bottom: 22px;
}
.search-bar input {
  border: 0; outline: 0; background: transparent;
  flex: 1; font-size: 16px;
}
.chips {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px;
}
.chip {
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--hair); background: var(--paper);
  font-size: 13px; color: var(--ink-2);
}
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.creator-row {
  display: flex; gap: 12px; padding: 6px 0 4px;
  overflow-x: auto;
}
.creator {
  flex-shrink: 0;
  width: 100px;
  display: flex; flex-direction: column; align-items: center;
  gap: 6px;
}
.creator .av {
  width: 72px; height: 72px; border-radius: 999px;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700;
  font-size: 24px; color: white;
}
.creator .name { font-size: 13px; font-weight: 500; }
.creator .role { font-family: var(--font-mono); font-size: 10px; color: var(--ink-3); letter-spacing: 0.06em; text-transform: uppercase; }

.private-banner {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border: 1px dashed var(--hair);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  font-size: 13px; color: var(--ink-2);
  margin-bottom: 20px;
}
.private-banner .key {
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--yellow); display: grid; place-items: center;
}

/* ---------- icons ---------- */
.ic-svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }

/* helpers */
.row { display: flex; gap: 10px; align-items: center; }
.col { display: flex; flex-direction: column; gap: 10px; }
.muted { color: var(--ink-3); }

/* login */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 420px;
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.sample-account {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--hair);
  border-radius: 8px;
  background: var(--bg-2);
  cursor: pointer;
  text-align: left;
  width: 100%;
  font-family: inherit;
}
.sample-account:hover { border-color: var(--coral); }
.sample-account .muted { flex: 1; font-size: 12px; }
.sample-account .ic-svg { width: 14px; height: 14px; color: var(--ink-3); }

/* empty / loading states */
.empty-state {
  padding: 36px 24px;
  text-align: center;
  color: var(--ink-3);
  border: 1px dashed var(--hair);
  border-radius: 12px;
  background: var(--bg-2);
}
.empty-state .t { font-size: 16px; color: var(--ink); font-weight: 500; margin-bottom: 4px; }
.loading {
  padding: 24px; text-align: center; color: var(--ink-3);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* recording badge on word rows */
.word-row .rec-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--red); font-family: var(--font-mono);
}
.word-row .rec-badge .dot {
  width: 7px; height: 7px; border-radius: 999px; background: var(--red);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: 0.3 } }