/* ══════════════════════════════════════════════════════════════════════════
   Personal English AI — Version 4 Design System
   Mobile-first, commercial-ready, RTL-ready
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Design tokens ─────────────────────────────────────────────────── */
:root {
  --bg:        #0d0f12;
  --surface:   #17191d;
  --surface2:  #202329;
  --border:    #34383f;
  --accent:    #c9cdd5;
  --accent-lt: #ffffff;
  --loading-blue: #6c72ff;
  --loading-blue-lt: #aeb4ff;
  --mint:      #3dd6a3;
  --mint-lt:   #5beab8;
  --coral:     #ff6b6b;
  --gold:      #f5c842;
  --text:      #eef0f2;
  --text-2:    #a5a8ad;
  --text-3:    #777b82;
  --radius:    16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --nav-h:     64px;
  --header-h:  60px;
  --safe-top:  env(safe-area-inset-top, 0px);
  --safe-bot:  env(safe-area-inset-bottom, 0px);
  --tour-safe-bottom: max(16px, env(safe-area-inset-bottom, 0px));
  font-size: 16px;
}

/* ── Reset ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-tap-highlight-color: transparent; scroll-behavior: smooth; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

/* RTL support */
html[dir="rtl"] { font-family: "Segoe UI", Tahoma, Arial, sans-serif; }
html[dir="rtl"] .action-card { flex-direction: row-reverse; }
html[dir="rtl"] .turn-label { margin-left: 0; margin-right: 0; }

/* ── Typography ─────────────────────────────────────────────────────── */
h1 { font-size: 2rem; font-weight: 800; line-height: 1.15; }
h2 { font-size: 1.3rem; font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--text-2); }
strong { color: var(--text); }
small { font-size: 0.8rem; color: var(--text-2); }
a { color: var(--accent-lt); text-decoration: none; }

/* ── App shell ──────────────────────────────────────────────────────── */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: 520px;
  margin: 0 auto;
}
.app-shell.hidden { display: none; }

/* ── Header ─────────────────────────────────────────────────────────── */
.app-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: max(12px, var(--safe-top)) 20px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: calc(var(--header-h) + var(--safe-top));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.header-brand { display: flex; align-items: center; gap: 10px; }
.brand-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--surface2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.75rem; color: var(--text); letter-spacing: 0.05em;
}
.brand-name { font-weight: 700; font-size: 1rem; color: var(--text); }
.brand-sub { font-size: 0.7rem; color: var(--text-3); }
.plan-badge {
  background: var(--surface2); border-radius: var(--radius-xs);
  padding: 3px 8px; font-size: 0.65rem; font-weight: 700; color: var(--text-2);
  border: 1px solid var(--border); letter-spacing: 0.07em;
}
.muted-badge {
  background: var(--surface2); border-radius: var(--radius-xs);
  padding: 3px 8px; font-size: 0.7rem; color: var(--text-2); border: 1px solid var(--border);
}

/* ── Main content area ──────────────────────────────────────────────── */
main {
  flex: 1;
  padding-bottom: calc(var(--nav-h) + var(--safe-bot) + 8px);
}

/* ── Views ──────────────────────────────────────────────────────────── */
.view { display: none; padding: 16px 16px 0; animation: fadeIn 0.15s ease; }
.view.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.view-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.view-header h2 { flex: 1; }
.view-header-simple { margin-bottom: 16px; }
.view-header-simple h2 { padding: 4px 0; }

/* ── Cards ──────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 14px;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
button { cursor: pointer; font: inherit; border: none; outline: none; transition: all 0.15s ease; }

.primary {
  background: var(--accent);
  color: var(--bg); font-weight: 700;
  padding: 14px 22px; border-radius: 12px;
  font-size: 1rem;
  -webkit-appearance: none;
}
.primary:hover { background: var(--accent-lt); color: var(--bg); transform: translateY(-1px); }
.primary:active { transform: translateY(0); opacity: 0.9; }
.primary:disabled { color: var(--bg); opacity: 0.45; cursor: not-allowed; transform: none; }
.primary:focus-visible { color: var(--bg); }

.secondary {
  background: var(--surface2); color: var(--text);
  border: 1px solid var(--border); font-weight: 600;
  padding: 13px 20px; border-radius: 12px; font-size: 1rem;
}
.secondary:hover { border-color: var(--accent); color: var(--accent-lt); }

.ghost-btn {
  background: transparent; color: var(--text-2);
  border: 1px solid var(--border); font-size: 0.85rem;
  padding: 8px 14px; border-radius: 8px;
}
.ghost-btn:hover { border-color: var(--text-2); color: var(--text); }
.danger-ghost { color: var(--coral); border-color: rgba(255,107,107,0.3); }
.danger-ghost:hover { border-color: var(--coral); background: rgba(255,107,107,0.08); }

.icon-btn {
  background: var(--surface2); border: 1px solid var(--border);
  padding: 10px 14px; border-radius: 10px; font-size: 1.2rem;
}
.icon-btn:hover { border-color: var(--accent); }
.danger-icon { color: var(--coral); }

.full-width { width: 100%; }
.small { padding: 6px 10px; font-size: 0.8rem; border-radius: 6px; }

.back-btn {
  background: transparent; color: var(--text-2); padding: 4px 0;
  font-weight: 600; font-size: 0.9rem;
}
.back-btn:hover { color: var(--text); }

/* ── Bottom navigation ──────────────────────────────────────────────── */
.bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 520px; z-index: 200;
  display: flex;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-bottom: var(--safe-bot);
  height: calc(var(--nav-h) + var(--safe-bot));
}
.nav-tab {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; background: transparent; color: var(--text-3); font-size: 0.7rem;
  padding: 8px 4px; min-height: 48px;
}
.nav-tab.active { color: var(--text); }
.nav-tab:hover { color: var(--text-2); }
.nav-icon { width: 21px; height: 21px; line-height: 1; }
.ui-icon {
  display: block; fill: none; stroke: currentColor; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}

/* ── Home view ───────────────────────────────────────────────────────── */
.rec-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 19px 20px; margin-bottom: 14px;
  position: relative; overflow: hidden;
  box-shadow: 0 8px 26px rgba(0,0,0,.16);
}
.rec-card::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 120px; height: 120px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
}
.rec-label { font-size: 0.68rem; font-weight: 700; color: var(--text-3); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 7px; }
.rec-card p { color: var(--text); font-size: 0.95rem; line-height: 1.45; margin-bottom: 15px; max-width: 34rem; }
.rec-action {
  background: var(--text); color: var(--bg); font-weight: 700;
  border: 1px solid var(--text); border-radius: 8px;
  padding: 9px 16px; font-size: 0.88rem;
}
.rec-action:hover { background: #fff; border-color: #fff; }

.action-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.action-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  min-height: 132px; padding: 17px 16px; display: flex; flex-direction: column;
  align-items: flex-start; gap: 11px; text-align: left; position: relative;
}
.action-card:hover { border-color: var(--text-2); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.action-card:active { transform: translateY(0); }
.action-icon { width: 23px; height: 23px; color: var(--text); flex-shrink: 0; }
.action-card > div:not(.action-icon) { min-width: 0; padding-right: 8px; }
.action-card strong { display: block; font-size: 0.9rem; line-height: 1.25; margin-bottom: 4px; }
.action-card small { display: block; font-size: 0.74rem; line-height: 1.4; }
.action-arrow { position: absolute; top: 12px; right: 12px; color: var(--text-3); font-size: 0.8rem; }

.podcast-card, .talk-card, .diary-card, .practice-card { border-top: 1px solid var(--border); }
.podcast-mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 10px; margin-bottom: 14px; }
.podcast-mode-btn {
  display: flex; align-items: center; gap: 10px; text-align: left; min-width: 0;
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  border-radius: 12px; padding: 12px; font: inherit;
}
.podcast-mode-btn:hover, .podcast-mode-btn.active { border-color: var(--accent); background: rgba(108,114,255,.12); }
.podcast-mode-icon { width: 22px; height: 22px; flex-shrink: 0; color: var(--text); }
.podcast-mode-btn strong, .podcast-mode-btn small { display: block; }
.podcast-mode-btn strong { font-size: .84rem; margin-bottom: 3px; }
.podcast-mode-btn small { color: var(--text-3); font-size: .68rem; line-height: 1.3; }
.read-text-card { margin-top: 14px; border-top: 3px solid var(--mint); }
.read-text-label { display: block; color: var(--text-3); font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; margin: 12px 0 5px; }
.full-text-input {
  box-sizing: border-box; width: 100%; background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); border-radius: 10px; padding: 11px 12px; font: inherit;
}
.full-text-input:focus { outline: none; border-color: var(--accent); }
.read-text-input { min-height: 140px; line-height: 1.55; }
.read-text-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--text-3); font-size: .72rem; margin: 6px 0 14px; }
.read-text-meta .over-limit { color: #ff9a9a; }
.read-text-learning-toggle { padding: 11px; background: rgba(61,214,163,.07); border: 1px solid rgba(61,214,163,.2); border-radius: 10px; }
.read-text-learning-toggle small { display: block; color: var(--text-3); font-size: .73rem; margin-top: 3px; line-height: 1.35; }
.read-text-options { margin: 12px 0 16px; }
.read-text-options select { width: 100%; }
.read-text-notes { margin-top: 16px; padding: 12px; border-radius: 10px; background: var(--surface2); border: 1px solid var(--border); }
.read-text-note { padding: 10px 0; border-top: 1px solid var(--border); }
.read-text-note:first-of-type { border-top: 0; }
.read-text-note strong { color: var(--mint-lt); }
.read-text-note p { margin: 4px 0; color: var(--text-2); font-size: .84rem; line-height: 1.45; }
.read-text-note small { color: var(--text-3); line-height: 1.4; }
.read-text-history { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border); }
.read-text-history-header { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.read-text-history-header .kicker { margin: 0; }
.read-text-history-list { display: grid; gap: 9px; }
.read-text-history-item { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 11px 0; border-top: 1px solid var(--border); }
.read-text-history-copy { min-width: 0; display: grid; gap: 3px; }
.read-text-history-copy strong, .read-text-history-copy small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.read-text-history-copy strong { font-size: .84rem; }
.read-text-history-copy small { color: var(--text-2); font-size: .74rem; max-width: 210px; }
.read-text-history-copy em { color: var(--text-3); font-size: .68rem; font-style: normal; }
.read-text-history-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 5px; }
.danger-ghost { color: #ff9a9a !important; }

.feedback-row {
  display: flex; align-items: center; gap: 8px; margin-top: 4px;
  padding: 14px 16px; background: var(--surface); border-radius: var(--radius);
  border: 1px solid var(--border); flex-wrap: wrap;
}
.feedback-label { font-size: 0.82rem; color: var(--text-2); margin-right: 4px; flex-shrink: 0; }
.feedback-btn {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text-2);
  padding: 6px 12px; border-radius: 8px; font-size: 0.8rem;
}
.feedback-btn.active { background: var(--text); border-color: var(--text); color: var(--bg); }

/* ── Podcast view ─────────────────────────────────────────────────── */
.podcast-hero { background: linear-gradient(160deg, var(--surface) 60%, rgba(108,114,255,0.15)); }
.kicker { font-size: 0.72rem; font-weight: 700; color: var(--accent-lt); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px; }
.hero-title { font-size: 2.2rem; font-weight: 900; line-height: 1.1; margin-bottom: 10px; color: var(--text); }
.hero-title .accent { color: var(--accent-lt); }
.hero-desc { font-size: 0.9rem; color: var(--text-2); margin-bottom: 20px; }

.ep-status { font-size: 0.88rem; color: var(--text-2); margin-bottom: 12px; }
.ep-status[data-state="loading"] { color: var(--accent-lt); }
.ep-status[data-state="playing"] { color: var(--success, #5ee1b2); }
.ep-status[data-state="finished"] { color: var(--success, #5ee1b2); }
.ep-status[data-state="error"] { color: #ff9a9a; }
.ep-status[data-state="autoplay-blocked"] { color: var(--accent-lt); }
.podcast-dev-debug-card {
  border-color: rgba(255, 202, 88, .45);
  background: rgba(255, 202, 88, .06);
}
.podcast-dev-debug-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  color: var(--text-2);
  font-size: .74rem;
  line-height: 1.35;
}
.podcast-dev-debug-grid strong,
.podcast-dev-debug-error strong {
  display: block;
  color: var(--text);
  font-size: .78rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}
.podcast-dev-debug-error {
  margin-top: 10px;
  color: var(--text-2);
  font-size: .74rem;
  line-height: 1.35;
}
.podcast-navigation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.podcast-navigation > button { width: 100%; min-width: 0; }
.episode-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: center; color: var(--text-2); font-size: 0.78rem; }
.playback-bar { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.transport-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: center; gap: 8px; }
.transport-controls .icon-btn { width: 100%; min-width: 0; min-height: 40px; }
.primary-icon { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.podcast-seek { width: 100%; accent-color: var(--accent); cursor: pointer; }
.podcast-time-row { display: flex; justify-content: space-between; color: var(--text-3); font-size: 0.75rem; font-variant-numeric: tabular-nums; }
.playback-secondary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.playback-secondary > button {
  min-height: 38px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.playback-secondary > #retryPodcastBtn { grid-column: 1 / -1; }
.episode-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 2px 0 14px;
}
.episode-actions > button { width: 100%; min-height: 38px; }
.episode-actions > button:last-child { grid-column: 1 / -1; }
.podcast-autoplay-action { margin: 2px 0 14px; }
.podcast-autoplay-action button { min-height: 40px; }
.podcast-save-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  margin: 2px 0 4px;
}
.podcast-save-actions button { width: 100%; min-height: 38px; }
.podcast-save-actions #podcastSaveStatus { text-align: center; }
.podcast-save-actions button:disabled { opacity: .8; cursor: default; }
.small { padding: 7px 10px !important; font-size: 0.78rem !important; }
.transcript-card { margin-top: 14px; }
.saved-podcast-card { margin-top: 14px; }
.saved-podcast-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.saved-podcast-header .kicker { margin-bottom: 4px; }
.saved-podcast-header p { margin: 0; font-size: .78rem; }
.saved-podcast-item { display: flex; align-items: center; gap: 8px; padding: 11px 0; border-top: 1px solid var(--border); }
.saved-podcast-item:first-child { margin-top: 12px; }
.saved-podcast-play { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; padding: 0; border: 0; background: transparent; color: var(--text); text-align: left; font: inherit; }
.saved-podcast-play:hover .saved-podcast-copy strong { color: var(--accent-lt); }
.saved-podcast-play-icon { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; flex: 0 0 30px; border: 1px solid var(--border); border-radius: 50%; color: var(--accent-lt); font-size: .7rem; }
.saved-podcast-copy { display: grid; gap: 3px; min-width: 0; }
.saved-podcast-copy strong, .saved-podcast-copy small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.saved-podcast-copy strong { font-size: .84rem; }
.saved-podcast-copy small { color: var(--text-2); font-size: .72rem; }
.saved-podcast-delete { flex: 0 0 auto; }
.saved-podcast-warning { color: #ffc58f; font-size: .78rem; line-height: 1.4; margin: 12px 0 0; }
.transcript-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.transcript-header .kicker { margin-bottom: 4px; }
.current-spoken-part { color: var(--text-2); font-size: 0.84rem; line-height: 1.45; margin: 0; }
.transcript-body { max-height: 250px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; margin: 14px 0 10px; padding-right: 2px; }
.transcript-segment { display: flex; align-items: flex-start; gap: 9px; width: 100%; text-align: left; padding: 9px 10px; border: 1px solid transparent; border-radius: 9px; background: var(--surface2); color: var(--text-2); line-height: 1.45; font: inherit; font-size: 0.86rem; }
.transcript-segment:hover, .transcript-segment.active { border-color: var(--accent); color: var(--text); }
.transcript-segment.active { background: rgba(108,114,255,0.12); }
.transcript-index { color: var(--accent-lt); font-size: 0.7rem; font-weight: 700; min-width: 16px; padding-top: 2px; }
.transcript-full { max-height: 310px; }
.transcript-text { margin: 0; color: var(--text-2); font-size: 0.88rem; line-height: 1.65; white-space: pre-wrap; }

.episode-settings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  min-width: 0;
}
.podcast-length-setting {
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1fr);
}
.podcast-voice-speed-setting,
.podcast-repeat-next-setting {
  grid-column: 1 / -1;
}
#personalPodcastComposer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
#personalPodcastComposer .episode-settings > div {
  min-width: 0;
}
#personalPodcastComposer .episode-settings select {
  min-height: 39px;
  box-sizing: border-box;
}
#personalPodcastComposer .episode-settings,
#personalPodcastComposer #startEpisodeBtn {
  width: 100%;
  box-sizing: border-box;
}
#personalPodcastComposer .toggle-row {
  min-width: 0;
}
#startEpisodeBtn {
  grid-column: 1 / -1;
  width: 100%;
}
.episode-settings label { display: block; font-size: 0.72rem; color: var(--text-3); margin-bottom: 4px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.episode-settings select {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 12px; border-radius: 8px; font: inherit; font-size: 0.88rem; width: 100%;
}
.toggle-row { display: flex; flex-direction: column; }
.toggle-row input[type=checkbox] { margin-top: 6px; width: 20px; height: 20px; cursor: pointer; }

/* ── Diary ─────────────────────────────────────────────────────────── */
.card-desc { font-size: 0.9rem; color: var(--text-2); margin-bottom: 16px; }
.diary-language-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  min-width: 0;
}
.diary-language-row label { font-size: 0.82rem; color: var(--text-2); white-space: nowrap; }
.diary-language-row select, select {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 12px; border-radius: 8px; font: inherit; font-size: 0.88rem; flex: 1;
}
.diary-language-row select {
  width: 100%;
  min-width: 0;
}
.diary-actions {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
  align-items: stretch;
  gap: 10px;
  margin-bottom: 14px;
  min-width: 0;
}
.diary-actions > button {
  width: 100%;
  min-width: 0;
  height: 54px;
  min-height: 54px;
  box-sizing: border-box;
  overflow: hidden;
  padding: 12px 8px;
  white-space: nowrap;
}
#diaryRecordBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
#diaryRecordBtn .diary-record-dot { margin-left: 3px; }
.diary-record-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}
#diaryRecordBtn.is-listening .diary-record-icon,
#diaryRecordBtn.is-processing .diary-record-icon {
  visibility: hidden;
}
.diary-record-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 7px;
  border-radius: 50%;
  background: var(--coral);
  vertical-align: middle;
  opacity: 0;
  visibility: hidden;
}
#diaryRecordBtn.is-listening .diary-record-dot {
  opacity: 1;
  visibility: visible;
  animation: diary-dot-pulse 1.5s ease-in-out infinite;
}
@keyframes diary-dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.diary-dev-diagnostics {
  margin-top: 12px;
  color: var(--text-2);
  font-size: 0.78rem;
}
.diary-dev-diagnostics summary {
  cursor: pointer;
  color: var(--text-3);
  user-select: none;
}
.diary-dev-content {
  margin-top: 9px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: rgba(255,255,255,0.02);
}
.diary-dev-record-btn {
  width: 100%;
  min-height: 42px;
  margin-bottom: 8px;
  padding: 9px 12px;
  font-size: 0.86rem;
  white-space: nowrap;
}
.diary-dev-content .diary-status {
  margin-top: 0;
  min-height: 0;
  line-height: 1.55;
}

.diary-textarea, .talk-textarea, .full-textarea {
  display: block;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font: inherit; font-size: 0.95rem;
  padding: 12px; resize: vertical;
}
#diaryTextPanel > .full-width {
  display: block;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  margin-top: 14px !important;
}
.diary-textarea:focus, .talk-textarea:focus, .full-textarea:focus {
  outline: none; border-color: var(--accent);
}
.diary-status { font-size: 0.85rem; color: var(--text-2); margin-top: 10px; min-height: 20px; }

.diary-summary { font-size: 0.95rem; color: var(--text); margin-bottom: 14px; border-left: 3px solid var(--mint); padding-left: 12px; }
.memory-preview-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.mem-preview-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.mem-cat-badge { font-size: 0.7rem; color: var(--text-3); background: var(--surface2); border: 1px solid var(--border); border-radius: 4px; padding: 2px 6px; white-space: nowrap; flex-shrink: 0; }
.check-row { display: flex; align-items: flex-start; gap: 8px; cursor: pointer; font-size: 0.9rem; color: var(--text); }
.check-row input[type=checkbox] { flex-shrink: 0; margin-top: 2px; width: 18px; height: 18px; cursor: pointer; accent-color: var(--accent); }
.review-note { font-size: 0.78rem; color: var(--text-3); margin-bottom: 14px; }
.diary-review-actions { display: flex; gap: 10px; }
.diary-review-actions button { flex: 1; }

/* ── Talk / Practice conversation ───────────────────────────────────── */
.talk-setup .setup-row { display: flex; gap: 12px; margin-bottom: 16px; }
.talk-setup .setup-row > div { flex: 1; }
.talk-setup label { display: block; font-size: 0.72rem; color: var(--text-3); margin-bottom: 5px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.talk-setup select { width: 100%; }
.talk-intro { color: var(--text-2); font-size: 0.9rem; margin: -4px 0 18px; line-height: 1.5; }
.talk-mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.talk-mode-option {
  display: flex; align-items: center; gap: 12px; text-align: left; padding: 15px;
  border: 1px solid var(--border); border-radius: 14px; background: var(--surface);
  color: var(--text); cursor: pointer; transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.talk-mode-option:hover { transform: translateY(-2px); border-color: var(--accent); background: var(--surface2); }
.talk-mode-option.live-mode:hover { border-color: var(--mint); }
.talk-mode-option strong { display: block; font-size: .95rem; margin-bottom: 4px; }
.talk-mode-option small { display: block; color: var(--text-3); font-size: .76rem; line-height: 1.35; }
.talk-mode-icon {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
  flex: 0 0 auto; background: rgba(108,114,255,.16); color: var(--accent-lt); font-weight: 800;
}
.live-mode .talk-mode-icon { background: rgba(74, 222, 173, .14); color: var(--mint); font-size: .8rem; }
.talk-privacy-note { color: var(--text-3); font-size: .74rem; line-height: 1.45; }
.mode-card-header, .live-talk-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.mode-card-header h3, .live-talk-header h3 { margin: 2px 0 0; font-size: 1.05rem; }
.text-chat-card { padding-bottom: 16px; }

.turn-list {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; margin-bottom: 10px; max-height: 340px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 10px;
  scroll-behavior: smooth;
}
.conversation-empty { color: var(--text-3); font-size: 0.9rem; text-align: center; padding: 20px 0; }

.turn { display: flex; flex-direction: column; gap: 4px; }
.turn.user { align-items: flex-end; }
.turn.assistant { align-items: flex-start; }
.turn-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; color: var(--text-3); }
.turn.user .turn-label { color: var(--accent-lt); }
.turn.assistant .turn-label { color: var(--mint); }
.turn p {
  background: var(--surface2); border-radius: 12px; padding: 10px 14px;
  font-size: 0.92rem; color: var(--text); max-width: 90%; line-height: 1.5;
}
.turn.user p { background: var(--accent); color: var(--bg); border-radius: 12px 12px 4px 12px; }
.turn.assistant p { border-radius: 12px 12px 12px 4px; }

.talk-input-row { margin-bottom: 8px; }
.talk-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.talk-actions > * { flex: 1; min-width: 80px; }
.talk-status { font-size: 0.82rem; color: var(--text-2); margin-top: 8px; min-height: 18px; }
.live-talk-shell {
  min-height: 430px; padding: 22px 18px 18px; border: 1px solid var(--border); border-radius: var(--radius);
  background: radial-gradient(circle at 50% 42%, rgba(74,222,173,.10), transparent 34%), var(--surface);
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.live-talk-helper { max-width: 330px; color: var(--text-2); font-size: .86rem; line-height: 1.5; margin: 8px auto; }
.voice-orb {
  width: 166px; height: 166px; margin: 28px auto 18px; border: 0; border-radius: 50%; cursor: pointer;
  background: radial-gradient(circle at 35% 30%, #8e92ff, var(--accent) 45%, #292d84 78%);
  box-shadow: 0 0 0 12px rgba(108,114,255,.08), 0 0 52px rgba(108,114,255,.34);
  display: grid; place-items: center; transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.voice-orb:hover { transform: scale(1.04); filter: brightness(1.08); }
.voice-orb[data-state="listening"] { animation: live-orb-breathe 2.1s ease-in-out infinite; box-shadow: 0 0 0 18px rgba(74,222,173,.08), 0 0 60px rgba(74,222,173,.42); }
.voice-orb[data-state="thinking"] { animation: live-orb-think 1.1s ease-in-out infinite; }
.voice-orb[data-state="speaking"] { animation: live-orb-speak .75s ease-in-out infinite alternate; }
.voice-orb-core { width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,.88); box-shadow: 0 0 24px rgba(255,255,255,.55); }
.live-talk-status { min-height: 26px; color: var(--text); font-weight: 700; font-size: 1rem; }
.live-talk-actions { display: flex; gap: 10px; width: min(280px, 100%); margin-top: auto; }
.live-talk-actions button { flex: 1; }
.live-talk-shell .talk-status { min-height: 20px; color: var(--coral); }
.zero-practice-card { overflow: hidden; }
.zero-level-btn { border-color: rgba(61,214,163,.55); }
.zero-topic-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 16px 0; }
.zero-topic-btn { border: 1px solid var(--border); background: var(--surface2); color: var(--text); border-radius: 12px; padding: 11px 8px; text-align: left; cursor: pointer; }
.zero-topic-btn.active { border-color: var(--mint); background: rgba(61,214,163,.12); }
.zero-lesson-card { border-top: 1px solid var(--border); padding-top: 18px; text-align: center; }
.zero-native-meaning { color: var(--text-2); min-height: 24px; }
.zero-word { color: var(--mint-lt); font-size: .9rem; text-transform: uppercase; letter-spacing: .12em; margin-top: 18px; }
.zero-phrase { color: var(--text); font-size: clamp(1.7rem, 8vw, 2.5rem); font-weight: 800; line-height: 1.12; margin: 8px 0 16px; }
.zero-expanded-phrase { color: var(--accent-lt); font-size: 1.2rem; font-weight: 700; margin: 20px 0 8px; }
.zero-phrase-actions, .zero-repeat-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.zero-repeat-instruction { color: var(--text); font-weight: 700; margin: 18px 0 10px; }
.zero-repeat-result { color: var(--mint-lt); margin: 10px 0; }
.zero-practice-stats { color: var(--text-3); font-size: .8rem; margin-top: 16px; text-align: center; }
.live-talk-audio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
@keyframes live-orb-breathe { 0%,100% { transform: scale(.98); } 50% { transform: scale(1.04); } }
@keyframes live-orb-think { 0%,100% { transform: rotate(-3deg) scale(.98); } 50% { transform: rotate(3deg) scale(1.03); } }
@keyframes live-orb-speak { from { transform: scale(.98); } to { transform: scale(1.07); } }

.inline-correction {
  background: rgba(245, 200, 66, 0.12); border: 1px solid rgba(245, 200, 66, 0.3);
  border-radius: 8px; padding: 8px 12px; font-size: 0.82rem; color: var(--gold);
  margin-bottom: 8px;
}

/* ── Review cards ─────────────────────────────────────────────────── */
.review-section { margin-bottom: 16px; }
.review-section strong { display: block; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); margin-bottom: 8px; }
.correction-pair { background: var(--surface2); border-radius: 10px; padding: 10px 14px; margin-bottom: 8px; }
.wrong { color: var(--coral); font-size: 0.9rem; text-decoration: line-through; margin-bottom: 4px; }
.right { color: var(--mint); font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.correction-pair small { color: var(--text-3); }
.phrase-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.phrase-chip { background: var(--surface2); border: 1px solid var(--border); color: var(--text-2); padding: 5px 11px; border-radius: 100px; font-size: 0.82rem; }
.next-tip { background: rgba(108,114,255,0.1); border: 1px solid rgba(108,114,255,0.2); border-radius: 10px; padding: 12px 14px; font-size: 0.88rem; color: var(--accent-lt); }
.talk-transcript { display: flex; flex-direction: column; gap: 8px; max-height: 300px; overflow-y: auto; }
.talk-transcript-line { padding: 9px 11px; border-radius: 10px; background: var(--surface2); font-size: .86rem; line-height: 1.45; }
.talk-transcript-line strong { color: var(--mint); font-size: .68rem; letter-spacing: .08em; margin-right: 6px; }
.talk-transcript-line.user strong { color: var(--accent-lt); }
.talk-memory-suggestions { display: grid; gap: 8px; }

/* ── Practice view ─────────────────────────────────────────────────── */
.learning-overview-card { background: linear-gradient(160deg, var(--surface) 55%, rgba(108,114,255,.12)); }
.learning-heading { font-size: 1.35rem; line-height: 1.3; margin: 2px 0 22px; max-width: 310px; }
.learning-focus-block { background: var(--surface2); border: 1px solid var(--border); border-radius: 14px; padding: 16px; margin-bottom: 16px; }
.learning-focus-label, .learning-question-type { color: var(--text-3); font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.learning-focus-title { color: var(--text); font-size: 1.45rem; font-weight: 800; margin: 6px 0 4px; }
.learning-focus-meta { color: var(--accent-lt); font-size: .84rem; }
.learning-focus-meta span { color: var(--text-3); padding: 0 4px; }
.learning-focus-block p { margin: 10px 0 0; line-height: 1.45; }
.learning-session-card { padding-bottom: 14px; }
.learning-session-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.learning-question-type { color: var(--accent-lt); margin: 8px 0 14px; }
.learning-native-prompt { color: var(--mint-lt); background: rgba(61,214,163,.08); border-radius: 10px; padding: 10px 12px; margin-bottom: 12px; line-height: 1.45; }
.learning-question-prompt { font-size: 1.2rem; line-height: 1.35; margin: 0 0 16px; }
.learning-options { display: flex; flex-direction: column; gap: 9px; }
.learning-answer-btn { background: var(--surface2); border: 1px solid var(--border); color: var(--text); border-radius: 11px; padding: 13px 14px; text-align: left; font: inherit; line-height: 1.4; }
.learning-answer-btn:hover:not(:disabled) { border-color: var(--accent); background: rgba(108,114,255,.12); }
.learning-answer-btn.selected { border-color: var(--accent); background: var(--surface); box-shadow: 0 0 0 1px var(--accent); }
.learning-answer-btn:disabled { opacity: .65; cursor: default; }
.learning-check-btn { margin-top: 10px; }
.learning-sentence-answer-label, .learning-sentence-bank-label { color: var(--text-3); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.learning-sentence-answer-label { margin-bottom: 7px; }
.learning-sentence-bank-label { margin: 16px 0 8px; }
.learning-sentence-answer { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-height: 58px; padding: 12px; background: var(--surface); border: 1px solid var(--accent); border-radius: 12px; }
.learning-sentence-placeholder { color: var(--text-3); font-size: .88rem; }
.learning-sentence-bank { display: flex; flex-wrap: wrap; gap: 8px; min-height: 46px; }
.learning-sentence-tile { background: var(--surface2); border: 1px solid var(--border); color: var(--text); border-radius: 9px; padding: 9px 12px; font: inherit; line-height: 1.2; }
.learning-sentence-tile:hover:not(:disabled) { border-color: var(--accent); background: rgba(108,114,255,.12); }
.learning-sentence-tile.selected { background: var(--surface2); }
.learning-sentence-tile:disabled { opacity: .65; cursor: default; }
.learning-sentence-actions { display: flex; gap: 8px; margin-top: 12px; }
.learning-sentence-actions button { flex: 1; }
.learning-pronunciation-target { color: var(--text); font-size: 1.45rem; font-weight: 800; text-align: center; padding: 18px 8px; }
.learning-pronunciation-actions { display: flex; gap: 8px; justify-content: center; }
.learning-pronunciation-actions button { flex: 1; }
.learning-answer-status { border-radius: 11px; padding: 12px 14px; margin-top: 14px; color: var(--text-2); line-height: 1.45; }
.learning-answer-status.correct { background: rgba(61,214,163,.1); border: 1px solid rgba(61,214,163,.3); }
.learning-answer-status.incorrect { background: rgba(255,122,122,.1); border: 1px solid rgba(255,122,122,.3); }
.learning-answer-status strong { color: var(--text); }
.learning-answer-status p { margin: 6px 0 0; }
.learning-correct-answer { color: var(--mint-lt); margin-top: 6px; }
.learning-question-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.learning-score { color: var(--accent-lt); font-size: 2rem; font-weight: 800; margin: 8px 0; }
.learning-summary-actions { display: flex; gap: 8px; margin-top: 18px; }
.learning-summary-actions button { flex: 1; }
.practice-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.practice-option-btn { padding: 14px 20px; border-radius: 12px; font-size: 0.95rem; }

.difficulty-selector, .correction-selector { margin-bottom: 14px; }
.difficulty-selector label, .correction-selector label { display: block; font-size: 0.72rem; color: var(--text-3); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 7px; }
.diff-chips { display: flex; gap: 8px; }
.diff-chip { background: var(--surface2); border: 1px solid var(--border); color: var(--text-2); padding: 7px 14px; border-radius: 8px; font-size: 0.85rem; }
.diff-chip.active { background: var(--accent); border-color: var(--accent); color: var(--bg); font-weight: 600; }

.loading-dots { display: flex; gap: 6px; justify-content: center; padding: 20px 0; }
.loading-dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: dotPulse 1.2s ease-in-out infinite; }
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotPulse { 0%,80%,100%{transform:scale(0.6);opacity:0.4} 40%{transform:scale(1);opacity:1} }

.activity-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.practice-prompt-box { background: var(--surface2); border-radius: 10px; padding: 14px; font-size: 0.9rem; margin-bottom: 14px; }
.first-line-hint { margin-top: 10px; font-size: 0.85rem; color: var(--accent-lt); font-style: italic; margin-bottom: 14px; }

.scenario-list { display: flex; flex-direction: column; gap: 8px; }
.scenario-btn { background: var(--surface2); border: 1px solid var(--border); color: var(--text); text-align: left; padding: 13px 16px; border-radius: 10px; font-size: 0.9rem; }
.scenario-btn:hover { border-color: var(--accent); color: var(--accent-lt); }

/* ── Live Coach ─────────────────────────────────────────────────────── */
.privacy-notice { background: rgba(61,214,163,0.06); border-color: rgba(61,214,163,0.2); }
.privacy-notice .kicker { color: var(--mint); }
.privacy-notice p { color: var(--text-2); font-size: 0.9rem; margin-bottom: 14px; }
.privacy-notice .check-row { margin-bottom: 8px; }

.live-status { font-size: 0.9rem; color: var(--text-2); text-align: center; padding: 12px 0; }
.live-result { background: var(--surface2); border-color: var(--accent); }
.coach-section { margin-bottom: 14px; }
.coach-label { font-size: 0.65rem; font-weight: 800; letter-spacing: 0.15em; color: var(--text-3); text-transform: uppercase; margin-bottom: 4px; }
.coach-heard { color: var(--text-2); font-size: 0.9rem; }
.coach-meaning { color: var(--gold); font-size: 0.9rem; }
.coach-say { color: var(--mint); font-weight: 700; font-size: 1.05rem; }
.coach-alternative { color: var(--text); font-size: 0.9rem; }
.live-bottom-actions { display: flex; gap: 10px; margin-top: 16px; }
.live-bottom-actions > * { flex: 1; }

/* ── Progress view ─────────────────────────────────────────────────── */
.progress-section { margin-bottom: 20px; }
.section-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }

.stat-row { display: flex; gap: 10px; }
.today-stat { flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 12px; text-align: center; }
.today-stat strong { display: block; font-size: 1.8rem; font-weight: 800; color: var(--accent-lt); }
.today-stat span { font-size: 0.72rem; color: var(--text-3); }

.big-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.big-stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px 10px; text-align: center; }
.big-stat strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--text); margin-bottom: 2px; }
.big-stat span { font-size: 0.68rem; color: var(--text-3); }

.learning-list { display: flex; flex-direction: column; gap: 8px; }
.learning-row { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.wrong-small { font-size: 0.85rem; color: var(--coral); text-decoration: line-through; }
.right-small { font-size: 0.85rem; color: var(--mint); font-weight: 600; }

.topic-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.topic-chip { background: var(--surface2); border: 1px solid var(--border); color: var(--text-2); padding: 5px 11px; border-radius: 100px; font-size: 0.82rem; }
.muted { color: var(--text-3); font-size: 0.88rem; }

/* ── Shared loading indicator ─────────────────────────────────────── */
.global-loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 1.4em;
  color: var(--loading-blue-lt);
  font-size: 0.86rem;
  line-height: 1.35;
}
.global-loading.block {
  display: flex;
  width: 100%;
  justify-content: center;
  padding: 14px 0;
}
.global-loading .loading-dots {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 3px;
  padding: 0;
}
.global-loading .loading-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--loading-blue);
  animation: globalLoadingPulse 1.15s ease-in-out infinite;
}
.global-loading .loading-dots span:nth-child(2) { animation-delay: 0.16s; }
.global-loading .loading-dots span:nth-child(3) { animation-delay: 0.32s; }
@keyframes globalLoadingPulse {
  0%, 80%, 100% { transform: scale(0.65); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .global-loading .loading-dots span { animation: none; opacity: 0.8; }
}

/* ── Memory view ─────────────────────────────────────────────────────── */
.mem-tabs { display: flex; margin-bottom: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 4px; gap: 4px; }
.mem-tab { flex: 1; padding: 9px; border-radius: 7px; background: transparent; color: var(--text-2); font-weight: 600; font-size: 0.9rem; }
.mem-tab.active { background: var(--accent); color: var(--bg); }

.add-memory-btn { background: transparent; color: var(--accent-lt); border: 1px dashed var(--accent); border-radius: 10px; width: 100%; padding: 12px; font-weight: 600; font-size: 0.9rem; margin-bottom: 12px; }
.add-memory-btn:hover { background: rgba(108,114,255,0.06); }

.mem-item { padding: 14px 16px; }
.mem-cat { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent-lt); margin-bottom: 6px; }
.mem-item p { color: var(--text); font-size: 0.9rem; margin-bottom: 10px; }

.learning-item { padding: 14px 16px; }
.learning-pair { display: flex; gap: 10px; margin-bottom: 8px; }
.wrong-col, .right-col { flex: 1; }
.wrong-col span, .right-col span { display: block; font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 3px; }
.wrong-col span { color: var(--coral); }
.right-col span { color: var(--mint); }
.wrong-col { font-size: 0.9rem; color: var(--text-2); }
.right-col { font-size: 0.9rem; color: var(--text); font-weight: 600; }
.learning-note { font-size: 0.82rem; color: var(--text-3); margin-bottom: 8px; }
.learning-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.status-badge { font-size: 0.68rem; font-weight: 700; padding: 3px 8px; border-radius: 4px; letter-spacing: 0.07em; text-transform: uppercase; }
.status-badge.learning  { background: rgba(108,114,255,0.15); color: var(--accent-lt); }
.status-badge.improving { background: rgba(61,214,163,0.15); color: var(--mint); }
.status-badge.mastered  { background: rgba(245,200,66,0.15); color: var(--gold); }

/* ── Settings view ─────────────────────────────────────────────────── */
.settings-section { margin-bottom: 16px; }
.settings-label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 8px; padding: 0 4px; }
.settings-card { padding: 6px 16px; }
.settings-control { width: 100%; }
.settings-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); gap: 12px; }
.settings-row:last-child { border-bottom: none; }
.settings-row span:first-child { font-size: 0.9rem; color: var(--text); }
.settings-input {
  background: transparent; border: none; outline: none; color: var(--text);
  text-align: right; font: inherit; font-size: 0.9rem; flex: 1;
}
.full-select {
  display: block; width: 100%; height: 46px; box-sizing: border-box;
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  padding: 0 14px; border-radius: 10px; font: inherit; font-size: 0.9rem;
}
.full-select:focus { outline: none; border-color: var(--text-2); box-shadow: 0 0 0 2px rgba(255,255,255,.06); }
.settings-link { background: transparent; color: var(--accent-lt); text-align: left; padding: 12px 0; display: block; font-size: 0.9rem; width: 100%; border-bottom: 1px solid var(--border); }
.settings-link:last-child { border-bottom: none; }
.settings-link.danger-link { color: var(--coral); }
.settings-link:hover { opacity: 0.8; }
.usage-label { font-size: 0.72rem; color: var(--text-3); margin-bottom: 8px; }
.usage-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.usage-row:last-child { border-bottom: none; }
.saved-msg { text-align: center; color: var(--mint); font-size: 0.88rem; margin-top: 8px; }

/* ── First-time onboarding ──────────────────────────────────────────── */
.onboarding-screen {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  overflow-y: auto;
}
.onboarding-screen.hidden { display: none; }

.onboarding-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 24px;
  padding: 28px 24px; width: 100%; max-width: 460px;
  max-height: calc(100dvh - 32px); overflow-y: auto; box-shadow: var(--shadow);
}
.ob-progress {
  height: 4px; background: var(--border); border-radius: 2px; margin-bottom: 28px; overflow: hidden;
}
.ob-progress-fill { height: 100%; background: var(--accent); border-radius: 2px; transition: width 0.3s ease; }

.ob-step { display: none; animation: fadeIn 0.2s ease; }
.ob-step.active { display: block; }
.ob-kicker { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-lt); margin-bottom: 10px; }
.ob-step h2 { font-size: 1.45rem; margin-bottom: 8px; line-height: 1.25; }
.ob-welcome-mark {
  width: 54px; height: 54px; border-radius: 16px; background: var(--accent);
  display: flex; align-items: center; justify-content: center; color: var(--bg);
  font-size: 0.9rem; font-weight: 800; letter-spacing: 0.06em; margin-bottom: 22px;
}
.ob-welcome-title { font-size: 2rem; line-height: 1.12; margin-bottom: 14px; }
.ob-welcome-subtitle { color: var(--accent-lt); font-size: 1.05rem; margin: -4px 0 14px; }
.ob-welcome-note { margin-bottom: 22px; }
.ob-hint { font-size: 0.82rem; color: var(--text-3); margin-bottom: 14px; }
.ob-body { color: var(--text-2); font-size: 0.95rem; margin-bottom: 16px; }
.ob-trust-list { display: grid; gap: 12px; margin-top: 24px; }
.ob-trust-list div { display: flex; align-items: flex-start; gap: 10px; color: var(--text-2); font-size: 0.88rem; }
.ob-trust-list span:first-child { color: var(--mint); font-weight: 700; }
.ob-auth-list { display: grid; gap: 10px; margin: 24px 0 14px; }
.ob-auth-btn {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  border-radius: 11px; padding: 14px 16px; font-size: 0.95rem; font-weight: 600;
}
.ob-auth-btn:hover { border-color: var(--accent); }
.ob-auth-btn:disabled { opacity: 0.6; }
.auth-letter, .auth-apple {
  width: 22px; height: 22px; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem;
}
.auth-letter { color: #4285f4; }
.auth-apple { color: var(--text); font-size: 0.9rem; }
.ob-status { min-height: 1.4em; color: var(--coral); font-size: 0.82rem; text-align: center; margin-top: 8px; }
.ob-auth-list + .ob-status { color: var(--mint); }
.ob-local-auth { display: grid; gap: 7px; margin: 18px 0 12px; }
.ob-auth-label { color: var(--text-2); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.ob-local-auth .ob-beta-input { margin: 0 0 4px; }
.ob-auth-toggle { background: transparent; color: var(--accent-lt); padding: 5px; font-size: .82rem; }
.ob-auth-toggle:hover { color: var(--text); }
.ob-auth-divider { display: flex; align-items: center; gap: 8px; color: var(--text-3); font-size: .74rem; margin: 16px 0 10px; }
.ob-auth-divider::before, .ob-auth-divider::after { content: ''; height: 1px; background: var(--border); flex: 1; }
.ob-dev-note { color: var(--text-3); font-size: 0.75rem; text-align: center; margin-top: 4px; }
.ob-auth-gate { border-top: 1px solid var(--border); padding-top: 18px; margin-top: 24px; }
.ob-choice-group { margin-top: 16px; }
.ob-choice-label { color: var(--text-2); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }

.lang-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 4px; }
.lang-btn {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  padding: 12px 10px; border-radius: 10px; font-size: 0.9rem; text-align: left;
}
.lang-btn.selected, .level-btn.selected { border-color: var(--accent); background: rgba(108,114,255,0.12); color: var(--accent-lt); }
.lang-btn:hover, .level-btn:hover { border-color: var(--accent); }

.level-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 4px; }
.level-btn {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  padding: 13px 16px; border-radius: 10px; text-align: left;
}
.level-btn strong { display: block; font-size: 0.95rem; }
.level-btn span { font-size: 0.82rem; color: var(--text-3); }

.chip-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.chip-btn {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text-2);
  padding: 8px 14px; border-radius: 100px; font-size: 0.85rem;
}
.chip-btn.selected { background: rgba(108,114,255,0.12); border-color: var(--accent); color: var(--accent-lt); }
.chip-btn:hover { border-color: var(--text-2); }

.ob-field-label { display: block; color: var(--text-2); font-size: .77rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; margin: 17px 0 7px; }
.ob-text-input, .ob-textarea, .ob-select {
  width: 100%; box-sizing: border-box; background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); border-radius: 10px; padding: 11px 12px; font: inherit;
}
.ob-textarea { resize: vertical; min-height: 58px; }
.ob-text-input:focus, .ob-textarea:focus, .ob-select:focus { outline: none; border-color: var(--accent); }
.ob-custom-row { margin: 9px 0 6px; }
.ob-custom-input-row { display: flex; gap: 8px; align-items: center; }
.ob-custom-input-row .ob-text-input { flex: 1; }
.ob-add-link { background: transparent; color: var(--accent-lt); padding: 6px 0; font-size: .83rem; }
.ob-add-link:hover { color: var(--text); }
.ob-custom-tags, .settings-interest-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.ob-custom-tag, .settings-interest-tag {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); border-radius: 99px;
  color: var(--text-2); background: var(--surface2); padding: 6px 9px; font-size: .78rem;
}
.ob-custom-tag button, .settings-interest-tag button { background: transparent; color: var(--text-3); padding: 0; font-size: 1rem; line-height: 1; }
.ob-feature-stack { min-height: 174px; margin: 22px 0 13px; }
.ob-feature-card {
  display: none; align-items: flex-start; gap: 16px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px 17px; animation: fadeIn .2s ease;
}
.ob-feature-card.active { display: flex; }
.ob-feature-card strong { display: block; margin: 2px 0 8px; font-size: 1.05rem; }
.ob-feature-card p { color: var(--text-2); font-size: .9rem; line-height: 1.5; margin: 0; }
.ob-feature-icon { width: 26px; height: 26px; flex: 0 0 26px; color: var(--accent-lt); }
.ob-feature-dots { display: flex; justify-content: center; gap: 6px; }
.ob-feature-dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--border); }
.ob-feature-dots span.active { background: var(--accent-lt); }
.ob-feature-status { color: var(--text-3); text-align: center; font-size: .72rem; margin: 8px 0 0; }
.ob-personalization-list { margin-top: 24px; }
.ob-check { width: 18px; height: 18px; border: 1px solid var(--accent); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: .68rem; flex: 0 0 18px; }
.ob-ready-step { text-align: center; }
.ob-ready-step .ob-welcome-mark { margin-left: auto; margin-right: auto; }
.ob-ready-actions { display: grid; gap: 10px; margin-top: 28px; }
.ob-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; gap: 10px; }
.ob-actions .ob-status { flex: 1; }
.ob-back-btn { background: transparent; color: var(--text-3); font-size: 0.9rem; padding: 10px; }
.ob-next-btn { padding: 13px 28px; }
.ob-summary { background: var(--surface2); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.ob-summary-row { display: flex; justify-content: space-between; font-size: 0.9rem; }
.ob-summary-row span:last-child { font-weight: 600; color: var(--accent-lt); }
.dev-reset-note { font-size: 0.78rem; padding: 0 0 10px; }

/* ── Plans, usage, beta controls ───────────────────────────────────── */
.limit-notice {
  position: fixed; z-index: 50; left: 14px; right: 14px; top: 14px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px;
  padding: 13px 15px; border: 1px solid rgba(255,178,102,.45);
  border-radius: 14px; background: #2c211c; color: var(--text); box-shadow: 0 12px 32px rgba(0,0,0,.3);
}
.limit-notice strong { color: #ffd09b; width: 100%; }
.limit-notice span { flex: 1; color: var(--text-2); font-size: .8rem; }
.plans-usage-summary { margin-bottom: 14px; }
.billing-toggle { display: flex; gap: 4px; background: var(--surface2); border-radius: 12px; padding: 4px; margin-bottom: 14px; }
.billing-toggle-btn { flex: 1; border: 0; border-radius: 9px; padding: 9px; background: transparent; color: var(--text-3); }
.billing-toggle-btn.active { background: var(--surface3); color: var(--text); }
.plan-cards { display: flex; flex-direction: column; gap: 12px; }
.plan-card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 18px; }
.plan-card.recommended { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(108,114,255,.16); }
.plan-recommended { position: absolute; top: -10px; right: 14px; border-radius: 99px; padding: 4px 9px; background: var(--accent); color: var(--bg); font-size: .68rem; font-weight: 700; }
.plan-card-top { display: flex; align-items: center; gap: 9px; }
.plan-card-top h3 { margin: 0; letter-spacing: .08em; font-size: .95rem; }
.plan-icon { color: var(--accent-lt); font-size: 1.3rem; }
.plan-price { font-size: 1.35rem; font-weight: 700; margin: 11px 0 5px; }
.plan-card p { color: var(--text-2); font-size: .82rem; min-height: 36px; margin: 0 0 8px; }
.plan-card ul { list-style: none; padding: 0; margin: 12px 0 16px; display: grid; gap: 8px; color: var(--text-2); font-size: .82rem; }
.plan-card li::before { content: '✓'; color: var(--accent-lt); margin-right: 7px; }
.plans-test-note { color: var(--text-3); font-size: .75rem; text-align: center; margin: 16px 8px; }
.usage-total-row, .usage-subrow, .admin-cost-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.usage-total-row { margin: 10px 0 8px; }
.usage-total-row span, .usage-subrow, .usage-reset { color: var(--text-3); font-size: .76rem; }
.usage-bar { height: 7px; overflow: hidden; background: var(--surface3); border-radius: 9px; margin-bottom: 10px; }
.usage-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-lt)); border-radius: inherit; }
.usage-subrow { padding: 4px 0; }
.usage-warning { color: #ffc58f; font-size: .78rem; margin-top: 8px; }
.usage-reset { line-height: 1.5; margin: 12px 0; }
.test-badge { display: inline-block; color: #ffc58f; border: 1px solid rgba(255,197,143,.35); border-radius: 99px; font-size: .64rem; padding: 3px 7px; letter-spacing: .04em; margin-top: 5px; }
.ob-beta-login { margin-top: 18px; }
.ob-beta-divider { display: flex; align-items: center; gap: 8px; color: var(--text-3); font-size: .74rem; margin-bottom: 9px; }
.ob-beta-divider::before, .ob-beta-divider::after { content: ''; height: 1px; background: var(--border); flex: 1; }
.ob-beta-input, .settings-input { width: 100%; box-sizing: border-box; background: var(--surface2); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 11px 12px; margin-bottom: 8px; }
.settings-edit-card { padding: 14px 16px; }
.settings-help { font-size: .78rem; margin: 0 0 10px; }
.downloaded-episodes-settings .settings-help { line-height: 1.45; }
.downloaded-episodes-settings .danger-ghost { margin-top: 3px; }
.settings-textarea { width: 100%; box-sizing: border-box; background: var(--surface2); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 10px 11px; font: inherit; resize: vertical; }
.settings-textarea:focus, .settings-input:focus { outline: none; border-color: var(--accent); }
.settings-interest-add { display: flex; gap: 8px; margin-top: 11px; }
.settings-interest-add .settings-input { margin: 0; flex: 1; }

/* ── First app tour ─────────────────────────────────────────────────── */
.app-tour-overlay { position: fixed; inset: 0; z-index: 1200; }
.app-tour-overlay.hidden { display: none; }
.app-tour-backdrop { position: absolute; inset: 0; background: rgba(6, 7, 11, .74); }
.app-tour-spotlight {
  position: fixed; z-index: 1; border: 1px solid var(--accent-lt); border-radius: 14px;
  box-shadow: 0 0 0 9999px rgba(6, 7, 11, .74), 0 0 0 5px rgba(155,160,255,.18);
  pointer-events: none; transition: all .22s ease;
}
.app-tour-card {
  position: fixed; z-index: 2; left: 16px; right: 16px; bottom: 24px; max-width: 460px; margin: auto;
  box-sizing: border-box; max-height: calc(100dvh - 24px); overflow-y: auto;
  padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow);
}
.app-tour-card.above-target { bottom: auto; top: 24px; }
.app-tour-card h2 { font-size: 1.25rem; margin: 0 0 8px; }
.app-tour-card .ob-body { font-size: .88rem; line-height: 1.45; margin-bottom: 18px; }
.app-tour-actions { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.app-tour-actions .primary { padding: 11px 19px; }
.admin-create-row { display: flex; gap: 8px; margin: 12px 0; }
.admin-email-input { margin: 0; flex: 1; }
.admin-user-list { display: grid; gap: 9px; }
.account-logout-btn { margin-top: 13px; }
.settings-value { max-width: 62%; overflow: hidden; text-overflow: ellipsis; text-align: right; }
.admin-panel-link { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.admin-dev-note { font-size: .75rem; margin: 10px 0 0; }
.admin-dev-banner {
  color: #ffc58f; border: 1px solid rgba(255,197,143,.32); background: rgba(112,71,38,.18);
  border-radius: 12px; padding: 10px 12px; font-size: .74rem; margin-bottom: 12px;
}
.admin-tabs {
  display: flex; gap: 5px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 14px;
  scrollbar-width: none;
}
.admin-tabs::-webkit-scrollbar { display: none; }
.admin-tab {
  flex: 0 0 auto; border: 1px solid var(--border); border-radius: 9px; padding: 8px 10px;
  background: var(--surface2); color: var(--text-3); font-size: .72rem;
}
.admin-tab.active { color: var(--text); border-color: var(--accent); background: rgba(108,114,255,.14); }
.admin-section { display: grid; gap: 12px; }
.admin-stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.admin-stat-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px;
  display: grid; gap: 5px; min-width: 0;
}
.admin-stat-card span { color: var(--text-3); font-size: .7rem; }
.admin-stat-card strong { font-size: 1.12rem; color: var(--text); }
.admin-panel-card { padding: 14px; }
.admin-card-title { font-size: .82rem; font-weight: 700; margin-bottom: 9px; }
.admin-cost-summary, .admin-kv-list, .admin-plan-list, .admin-audit-list { display: grid; gap: 8px; }
.admin-cost-row, .admin-kv-row, .admin-plan-row, .admin-audit-row {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--border); padding: 8px 0; font-size: .76rem;
}
.admin-cost-row:last-child, .admin-kv-row:last-child, .admin-plan-row:last-child, .admin-audit-row:last-child { border-bottom: 0; }
.admin-cost-row span, .admin-kv-row span, .admin-plan-row span, .admin-audit-row span, .admin-audit-row small { color: var(--text-3); }
.admin-toolbar { display: grid; grid-template-columns: 1.5fr .8fr; gap: 8px; }
.admin-toolbar .settings-input { margin: 0; min-width: 0; }
.admin-directory-list { display: grid; gap: 8px; }
.admin-directory-row {
  display: flex; justify-content: space-between; gap: 10px; padding: 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
}
.admin-directory-row .admin-user-main { flex: 1; min-width: 0; }
.admin-directory-row .admin-user-actions { flex: 0 0 112px; }
.admin-directory-row .admin-user-actions button { width: 100%; }
.admin-plan-row { align-items: flex-start; }
.admin-plan-row span { text-align: right; }
.admin-audit-row { display: grid; grid-template-columns: 1fr auto; }
.admin-audit-row small { grid-column: 1 / -1; overflow: hidden; text-overflow: ellipsis; }
.admin-user { display: flex; justify-content: space-between; gap: 8px; padding: 11px 0; border-top: 1px solid var(--border); }
.admin-user-main { min-width: 0; display: grid; gap: 3px; }
.admin-user-main strong { font-size: .84rem; }
.admin-user-main span, .admin-user-main small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-3); font-size: .7rem; }
.admin-user-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; }
.admin-user-actions select { background: var(--surface2); color: var(--text); border: 1px solid var(--border); border-radius: 7px; padding: 4px; font-size: .72rem; }

@media (max-width: 520px) {
  .admin-toolbar { grid-template-columns: 1fr; }
  .admin-directory-row { flex-direction: column; }
  .admin-directory-row .admin-user-actions { flex: none; width: 100%; align-items: stretch; }
  .admin-directory-row .admin-user-actions select, .admin-directory-row .admin-user-actions button { width: 100%; }
  .admin-plan-row { display: grid; }
  .admin-plan-row span { text-align: left; }
}

/* ── Scrollbars ─────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ── Responsive tweaks ──────────────────────────────────────────────── */
@media (max-width: 380px) {
  .action-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .action-card { min-height: 126px; padding: 15px 13px; }
  .action-card small { font-size: .69rem; }
  .podcast-mode-switch { grid-template-columns: 1fr; }
  .read-text-history-item { align-items: flex-start; flex-direction: column; }
  .read-text-history-actions { justify-content: flex-start; }
  .hero-title { font-size: 1.8rem; }
  .big-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .talk-mode-grid { grid-template-columns: 1fr; }
  .talk-mode-option { padding: 13px; }
  .live-talk-shell { min-height: 410px; padding-left: 14px; padding-right: 14px; }
  .voice-orb { width: 148px; height: 148px; margin-top: 24px; }
}
@media (prefers-color-scheme: light) {
  /* v4 intentionally stays dark — brand identity */
}