/* Lilly's Vocab — playful flashcard theme */

:root {
  --color-bg: #FFF8F0;            /* warm cream */
  --color-surface: #FFFFFF;
  --color-ink: #2D2A3E;           /* soft near-black plum */
  --color-ink-muted: #6E687F;
  --color-border: #EFE6DA;
  --color-primary: #2563EB;       /* vivid blue */
  --color-primary-dark: #1D4ED8;
  --color-primary-soft: #DBEAFE;
  --color-accent: #FF6B6B;        /* coral — misses, flags, danger */
  --color-accent-dark: #E85454;
  --color-success: #06D6A0;       /* mint — "Got it" */
  --color-success-dark: #05B888;
  --color-sunny: #FFD166;         /* score chip / highlights */
  --color-sky: #4CC9F0;           /* progress bar */
  --radius: 12px;
  --radius-card: 20px;
  --shadow-card: 0 10px 30px rgba(37, 99, 235, .12);
  --shadow-soft: 0 2px 8px rgba(45, 42, 62, .08);
  --flip-speed: 160ms;            /* any effect has to be quick! */
  --font-display: "Avenir Next", "Trebuchet MS", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --font-quiz: "Iowan Old Style", Georgia, Palatino, "Palatino Linotype", serif; /* quiz prompts read like a book */
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-display);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.5;
}

a { color: var(--color-primary); }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3 { line-height: 1.2; }
h2 { margin: 0.4rem 0 0.8rem; }

code { background: var(--color-primary-soft); padding: 1px 5px; border-radius: 6px; font-size: 0.85em; }

.small { font-size: 0.85rem; color: var(--color-ink-muted); }
.muted { color: var(--color-ink-muted); }
.hidden { display: none !important; }
.error-text { color: var(--color-accent-dark); }

/* ===== Top bar ===== */

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  background: linear-gradient(100deg, var(--color-primary) 0%, #4F8DF9 60%, #7FB3FC 100%);
  color: #fff;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 2px 12px rgba(37, 99, 235, .35);
}

.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.brand:hover { color: #fff; }
.brand-mark { font-size: 1.2rem; }

.topnav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.topnav a, .topnav-toggle {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: none;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
}
.topnav a:hover, .topnav-toggle:hover { background: rgba(255, 255, 255, 0.16); color: #fff; }
.topnav a.active, .topnav-toggle.active { background: rgba(255, 255, 255, 0.24); color: #fff; }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

.menu-wrap { position: relative; display: inline-block; }
.popup-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  min-width: 170px;
  padding: 6px;
  z-index: 30;
  display: flex;
  flex-direction: column;
}
.popup-menu-right { left: auto; right: 0; }
.popup-menu a {
  color: var(--color-ink);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
}
.popup-menu a:hover { background: var(--color-primary-soft); color: var(--color-primary-dark); }
.popup-menu a.active { background: var(--color-primary-soft); color: var(--color-primary-dark); }

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.6);
  background: var(--color-sunny);
  color: var(--color-ink);
  font-weight: 800;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
}
.avatar:hover { border-color: #fff; }

/* Score chip */
.score-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--color-sunny);
  color: var(--color-ink);
  border-radius: 999px;
  padding: 5px 14px 5px 10px;
  text-decoration: none;
  font-weight: 800;
  box-shadow: inset 0 -2px 0 rgba(45, 42, 62, .12);
  line-height: 1.15;
}
.score-chip:hover { color: var(--color-ink); transform: scale(1.04); }
.score-star { font-size: 1rem; }
.score-numbers { font-size: 0.98rem; }
.score-today { font-size: 0.68rem; font-weight: 600; color: rgba(45, 42, 62, 0.7); }

/* ===== Layout ===== */

.content { max-width: 960px; margin: 0 auto; padding: 22px 16px 60px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.page-head h2, .page-head h3 { margin: 0; }

.count-pill {
  display: inline-block;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  border-radius: 999px;
  padding: 2px 10px;
  vertical-align: middle;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  padding: 18px 20px;
  margin: 14px 0;
}
.card h3 { margin-top: 0; }

/* ===== Forms ===== */

.stack { display: flex; flex-direction: column; gap: 14px; }
.stack label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; font-size: 0.92rem; }
.stack label.inline { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; }

.grid { display: grid; gap: 12px; }
.form-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.filter-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); align-items: end; }
.grid label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; font-size: 0.92rem; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], textarea, select {
  font-family: inherit;
  font-size: 1rem;
  padding: 9px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-ink);
  font-weight: 400;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
input[type="checkbox"], input[type="radio"] { accent-color: var(--color-primary); width: 17px; height: 17px; }

.actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.actions form { display: inline; }
.pager { margin-top: 8px; justify-content: flex-end; }

/* ===== Buttons ===== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: 999px;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
  text-decoration: none;
  transition: transform 80ms ease, box-shadow 80ms ease;
}
.button:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }
.button:active { transform: scale(0.96); }
.button.primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, .3);
}
.button.primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }
.button.danger { border-color: var(--color-accent); color: var(--color-accent-dark); }
.button.danger:hover { background: var(--color-accent); color: #fff; }
.button.small { font-size: 0.82rem; padding: 5px 12px; }
.button.disabled { opacity: 0.45; pointer-events: none; }

/* ===== Messages ===== */

.flash {
  background: #E4FBF3;
  border: 1px solid var(--color-success);
  color: #04795A;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 600;
}
.error {
  background: #FFECEC;
  border: 1px solid var(--color-accent);
  color: #B33A3A;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 600;
}

.status-verified { color: var(--color-success-dark); font-weight: 700; }
.status-pending { color: #C98A04; font-weight: 700; }
.status-failed { color: var(--color-accent-dark); font-weight: 700; }

/* ===== Tables ===== */

.table-scroll { overflow-x: auto; }

table.list { width: 100%; border-collapse: collapse; }
table.list th {
  text-align: left;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-ink-muted);
  padding: 8px 10px;
  border-bottom: 2px solid var(--color-border);
}
table.list td { padding: 9px 10px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
table.list tbody tr:hover { background: #F8FBFF; }

/* ===== Import wizard ===== */

.wizard-steps { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 16px; }
.wizard-step {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink-muted);
}
.wizard-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-ink);
  font-size: 0.75rem;
  font-weight: 800;
}
.wizard-step.active { border-color: var(--color-primary); color: var(--color-primary-dark); }
.wizard-step.active .wizard-step-num { background: var(--color-primary); color: #fff; }
.wizard-step.done { border-color: var(--color-success); color: var(--color-success-dark); }
.wizard-step.done .wizard-step-num { background: var(--color-success); color: #fff; }

pre.import-example {
  background: #F0F6FF;
  border: 1px dashed var(--color-primary);
  border-radius: var(--radius);
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 0.85rem;
}

/* ===== Review page ===== */

.review-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.deck-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.deck-tab {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 16px;
  border-radius: 999px;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink-muted);
}
.deck-tab:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }
.deck-tab.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.deck-order { display: flex; align-items: center; gap: 8px; }
.deck-order form { display: inline; }

.deck-picker label { display: flex; align-items: center; gap: 6px; font-weight: 600; }
.deck-picker select { padding: 5px 10px; border-radius: 999px; font-size: 0.9rem; font-weight: 600; }

.tag-pill {
  display: inline-block;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border-radius: 999px;
  padding: 1px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 1px 2px 1px 0;
  white-space: nowrap;
}

.progress-wrap { margin: 6px 0 18px; }
.progress-track {
  height: 10px;
  border-radius: 999px;
  background: #E4EEFB;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-sky), var(--color-primary));
  transition: width 200ms ease;
}
.progress-text { text-align: center; margin-top: 5px; font-weight: 600; }

.flashcard-stage { display: flex; flex-direction: column; align-items: center; gap: 18px; }

.flashcard-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
}

.nav-btn {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--color-primary-soft);
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: inherit;
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform 80ms ease, background 80ms ease;
}
.nav-btn:hover { background: var(--color-primary-soft); color: var(--color-primary-dark); transform: scale(1.08); }
.nav-btn:active { transform: scale(0.94); }
.nav-btn:disabled { opacity: 0.35; pointer-events: none; }
.nav-btn.concealed { visibility: hidden; pointer-events: none; }

.flashcard {
  position: relative;
  flex: 0 1 560px;
  width: min(560px, 100%);
  min-height: 300px;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 2px solid var(--color-primary-soft);
  cursor: pointer;
  display: grid;
  user-select: none;
}
.flashcard:focus-visible { outline: 3px solid var(--color-sky); outline-offset: 3px; }
.flashcard.leaving { opacity: 0; transform: translateX(18px); transition: opacity 130ms ease, transform 130ms ease; }

.flashcard-face {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 44px 34px;
  text-align: center;
  transition: opacity var(--flip-speed) ease;
}
.flashcard-front { opacity: 1; }
.flashcard-back { opacity: 0; pointer-events: none; }
.flashcard.flipped .flashcard-front { opacity: 0; pointer-events: none; }
.flashcard.flipped .flashcard-back { opacity: 1; pointer-events: auto; }

@media (prefers-reduced-motion: reduce) {
  .flashcard-face { transition: none; }
  .flashcard.leaving { transition: none; }
}

.flashcard-word {
  font-size: clamp(2rem, 6vw, 2.8rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: 0.3px;
  overflow-wrap: anywhere;
}
.flashcard-definition { font-size: clamp(1.1rem, 3vw, 1.4rem); font-weight: 500; overflow-wrap: anywhere; }
/* One child div per example sentence — a word can have several. */
.flashcard-sentences {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  font-style: italic;
  color: var(--color-ink-muted);
  overflow-wrap: anywhere;
}
.flashcard-synonyms {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 4px 14px;
  overflow-wrap: anywhere;
}
.flashcard-hint { opacity: 0.75; }

.flag-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #C0CBD8;
  padding: 8px;
  border-radius: 50%;
  line-height: 0;
  transition: color 100ms ease, transform 100ms ease;
}
.flag-btn:hover { color: var(--color-accent); transform: scale(1.12); background: #FFF3F3; }
.flag-btn .flag-fill { opacity: 0; transition: opacity 100ms ease; }
.flag-btn.flagged { color: var(--color-accent); }
.flag-btn.flagged .flag-fill { opacity: 1; }

.mark-buttons { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.mark-btn { font-size: 1.05rem; padding: 12px 26px; }
.mark-got {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
  box-shadow: 0 4px 14px rgba(6, 214, 160, .35);
}
.mark-got:hover { background: var(--color-success-dark); border-color: var(--color-success-dark); color: #fff; }
.mark-miss {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 107, 107, .35);
}
.mark-miss:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); color: #fff; }

.keyboard-hint { text-align: center; margin: 0; }

.empty-deck, .deck-done { text-align: center; padding: 40px 24px; }
.deck-done-burst { font-size: 3rem; }
.deck-done-tally { font-size: 1.1rem; font-weight: 600; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(45, 42, 62, .35);
  z-index: 50;
  max-width: 90vw;
}

/* ===== Stats page ===== */

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin: 14px 0;
}
.stat-tile {
  border-radius: var(--radius-card);
  padding: 18px;
  text-align: center;
  border: 2px solid transparent;
  box-shadow: var(--shadow-soft);
}
.stat-number { font-size: 2.2rem; font-weight: 800; line-height: 1.1; }
.stat-label { font-weight: 700; margin-top: 2px; }
.stat-sub { margin-top: 2px; }
.stat-mastered { background: #E4FBF3; border-color: var(--color-success); }
.stat-mastered .stat-number { color: var(--color-success-dark); }
.stat-misses { background: #FFEFEF; border-color: var(--color-accent); }
.stat-misses .stat-number { color: var(--color-accent-dark); }
.stat-flagged { background: #FFF6DE; border-color: var(--color-sunny); }
.stat-flagged .stat-number { color: #C98A04; }
.stat-today { background: #E9F7FE; border-color: var(--color-sky); }
.stat-today .stat-number { color: #1592C4; }
.stat-points { background: #EAF2FF; border-color: var(--color-primary); }
.stat-points .stat-number { color: var(--color-primary-dark); }
.stat-accuracy { background: #FFEFF8; border-color: #F063C7; }
.stat-accuracy .stat-number { color: #C2278F; }

.progress-section-head { margin: 26px 0 0; }

.progress-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.progress-toolbar h2 { margin: 0; }
.progress-deck-note { margin: 4px 0 0; }

.missed-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.missed-limit-picks { display: flex; gap: 6px; }
.missed-limit-pick {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  border: 2px solid var(--color-border);
  background: #fff;
  text-decoration: none;
}
a.missed-limit-pick:hover { border-color: var(--color-primary); }
.missed-limit-pick.active {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.daily-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 160px;
  padding-top: 8px;
}
.daily-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
}
.daily-count { min-height: 1.1em; font-weight: 700; }
.daily-bar-track { flex: 1; width: 100%; display: flex; align-items: flex-end; justify-content: center; }
.daily-bar {
  width: min(26px, 80%);
  border-radius: 8px 8px 3px 3px;
  background: linear-gradient(180deg, var(--color-sky), var(--color-primary));
  min-height: 0;
}
.daily-label { font-weight: 600; }

/* ===== Quiz ===== */

.quiz-hero { text-align: center; margin: 6px 0 18px; }
.quiz-hero-title {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  font-weight: 800;
  background: linear-gradient(95deg, var(--color-primary) 10%, #F063C7 55%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.quiz-hero-spark { -webkit-text-fill-color: initial; color: var(--color-sunny); margin-left: 8px; }
.quiz-hero-sub { margin: 4px 0 0; color: var(--color-ink-muted); }
.quiz-hero-score { margin: 8px 0 0; font-weight: 600; }
.quiz-hero-score strong { color: var(--color-primary-dark); font-size: 1.25rem; }

.quiz-setup { display: flex; flex-direction: column; gap: 18px; }
.quiz-fieldset { border: none; margin: 0; padding: 0; }
.quiz-fieldset legend {
  font-weight: 800;
  font-size: 1.05rem;
  padding: 0;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
}
.quiz-fieldset p.small { margin: 0 0 10px; }

.quiz-mode-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.quiz-mode-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 20px 16px;
  border: 3px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  cursor: pointer;
  transition: transform 90ms ease, border-color 90ms ease, box-shadow 90ms ease;
}
.quiz-mode-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.quiz-mode-card:hover { transform: translateY(-2px); border-color: var(--color-primary-soft); }
.quiz-mode-card.selected,
.quiz-mode-card:has(input:checked) {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, #F5F9FF, var(--color-surface));
  box-shadow: var(--shadow-card);
}
.quiz-mode-card:has(input:focus-visible) { outline: 3px solid var(--color-sky); outline-offset: 3px; }
.quiz-mode-emoji { font-size: 2rem; line-height: 1; }
.quiz-mode-name { font-weight: 800; font-size: 1.1rem; color: var(--color-primary-dark); }
.quiz-mode-blurb { margin: 0; }
.quiz-mode-ready { font-weight: 700; color: var(--color-primary); }

.quiz-deck-picks { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px; }
.quiz-deck-pick {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  font-weight: 600;
  cursor: pointer;
}
.quiz-deck-pick:hover { border-color: var(--color-primary-soft); }
.quiz-deck-pick:has(input:checked) { border-color: var(--color-primary); background: var(--color-primary-soft); color: var(--color-primary-dark); }

.quiz-source-picks { display: grid; gap: 8px; }
.quiz-source-pick {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 11px 15px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  cursor: pointer;
}
.quiz-source-pick:hover { border-color: var(--color-primary-soft); }
.quiz-source-pick:has(input:checked) { border-color: var(--color-primary); background: #F5F9FF; }
.quiz-source-pick:has(input:focus-visible) { outline: 3px solid var(--color-sky); outline-offset: 2px; }
.quiz-source-pick input { margin-top: 3px; flex-shrink: 0; }
.quiz-source-body { display: flex; flex-direction: column; gap: 1px; }
.quiz-source-name { font-weight: 800; color: var(--color-primary-dark); display: flex; align-items: center; gap: 8px; }
.quiz-source-count {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border-radius: 999px;
  padding: 0 9px;
  font-size: 0.78rem;
  font-weight: 800;
}
.quiz-source-blurb { margin: 0; }
.quiz-source-pick.empty { opacity: 0.55; cursor: not-allowed; }
.quiz-source-pick.empty .quiz-source-count { background: var(--color-border); color: var(--color-ink-muted); }

.quiz-source-chip { background: #FFF6DE; color: #A9760A; }

.quiz-count select { padding: 8px 14px; border-radius: 999px; font-weight: 600; }
.quiz-start { font-size: 1.05rem; padding: 12px 28px; }

.quiz-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.quiz-toolbar-titles { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.quiz-title { margin: 0; color: var(--color-primary-dark); }
.quiz-deck-chip {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border-radius: 999px;
  padding: 3px 14px;
  font-size: 0.82rem;
  font-weight: 700;
}

.quiz-stage { display: flex; flex-direction: column; align-items: center; gap: 16px; }

.quiz-card {
  position: relative;
  width: min(620px, 100%);
  background: var(--color-surface);
  border: 2px solid var(--color-primary-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 40px 30px 30px;
  text-align: center;
}

.quiz-points-chip {
  position: absolute;
  top: 12px;
  right: 14px;
  background: var(--color-sunny);
  color: var(--color-ink);
  border-radius: 999px;
  padding: 3px 13px;
  font-weight: 800;
  font-size: 0.85rem;
  box-shadow: inset 0 -2px 0 rgba(45, 42, 62, .12);
}
.quiz-streak {
  position: absolute;
  top: 12px;
  left: 14px;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--color-accent-dark);
}

.quiz-ask { margin: 0 0 10px; text-transform: uppercase; letter-spacing: 1.2px; font-weight: 700; }

.quiz-prompt {
  font-family: var(--font-quiz);
  font-size: clamp(1.25rem, 3.6vw, 1.75rem);
  line-height: 1.45;
  color: var(--color-ink);
  overflow-wrap: anywhere;
}
.quiz-prompt.pop { animation: quiz-pop 220ms ease-out; }

@keyframes quiz-pop {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.quiz-blank {
  display: inline-block;
  min-width: 5.5em;
  border-bottom: 3px solid var(--color-primary);
  background: linear-gradient(180deg, transparent 60%, var(--color-primary-soft) 60%);
  border-radius: 3px;
  vertical-align: baseline;
}

.quiz-hint-btn { margin-top: 16px; }
.quiz-hint {
  margin-top: 14px;
  background: #FFF8E5;
  border: 2px dashed var(--color-sunny);
  border-radius: var(--radius);
  padding: 10px 14px;
  text-align: left;
}
.quiz-hint-letters { font-weight: 800; color: #A9760A; }
.quiz-hint-extra { font-family: var(--font-quiz); font-size: 0.98rem; margin-top: 4px; color: var(--color-ink-muted); }

.quiz-nav { display: flex; margin-bottom: 10px; min-height: 36px; }
.quiz-nav-btn {
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: 999px;
  border: 2px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.quiz-nav-btn:hover { border-color: var(--color-primary); background: var(--color-primary-soft); }
#quiz-fwd-btn { margin-left: auto; }
.quiz-feedback.quiz-reviewing { border-style: dashed; }

.quiz-choices-btn { margin-top: 12px; }
.quiz-choices {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.quiz-choice-chip {
  font-family: var(--font-quiz);
  font-size: 0.95rem;
  padding: 6px 12px;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.quiz-choice-chip:hover, .quiz-choice-chip:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.quiz-answer-form { display: flex; gap: 10px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }
.quiz-input {
  flex: 1 1 260px;
  max-width: 340px;
  font-size: 1.35rem !important;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.5px;
  padding: 12px 16px !important;
  border-width: 3px !important;
  border-radius: 999px !important;
  color: var(--color-primary-dark) !important;
}
.quiz-input::placeholder { font-weight: 500; letter-spacing: 0; color: #B6C1CE; }
.quiz-check { font-size: 1.05rem; padding: 12px 26px; }

.quiz-feedback {
  width: min(620px, 100%);
  border-radius: var(--radius-card);
  border: 3px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  padding: 26px 24px;
  text-align: center;
  animation: quiz-pop 220ms ease-out;
}
.quiz-feedback.result-correct { border-color: var(--color-success); background: linear-gradient(180deg, #E7FBF4, var(--color-surface)); }
.quiz-feedback.result-close { border-color: var(--color-sky); background: linear-gradient(180deg, #E9F7FE, var(--color-surface)); }
.quiz-feedback.result-synonym { border-color: var(--color-sunny); background: linear-gradient(180deg, #FFF8E5, var(--color-surface)); }
.quiz-feedback.result-incorrect { border-color: var(--color-accent); background: linear-gradient(180deg, #FFF0F0, var(--color-surface)); }

.quiz-feedback-burst { font-size: 2.6rem; line-height: 1; animation: quiz-burst 420ms ease-out; }
@keyframes quiz-burst {
  0% { transform: scale(0.3) rotate(-12deg); opacity: 0; }
  60% { transform: scale(1.18) rotate(4deg); opacity: 1; }
  100% { transform: none; }
}

.quiz-feedback-title { font-size: 1.3rem; font-weight: 800; margin-top: 4px; }
.quiz-feedback-word {
  font-size: clamp(2rem, 6vw, 2.7rem);
  font-weight: 800;
  letter-spacing: 0.5px;
  margin: 6px 0 2px;
  background: linear-gradient(95deg, var(--color-primary) 10%, #F063C7 60%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  overflow-wrap: anywhere;
}
.quiz-feedback-yours { font-style: italic; }
.quiz-feedback-definition { font-size: 1.05rem; font-weight: 500; margin-top: 6px; overflow-wrap: anywhere; }
/* One child div per example sentence — a word can have several. */
.quiz-feedback-sentence {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-quiz);
  font-style: italic;
  color: var(--color-ink-muted);
  margin-top: 6px;
  overflow-wrap: anywhere;
}
.quiz-feedback-synonyms {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 4px 14px;
}
.quiz-feedback-points { font-weight: 800; margin-top: 10px; color: var(--color-primary-dark); }
.quiz-feedback.result-correct .quiz-feedback-points { color: var(--color-success-dark); }
.quiz-feedback.claimed .quiz-feedback-points { color: var(--color-success-dark); }
.quiz-feedback-actions { justify-content: center; margin-top: 14px; }
.quiz-claim { border-color: var(--color-success); color: var(--color-success-dark); font-weight: 700; }
.quiz-claim:hover { background: var(--color-success); color: #fff; border-color: var(--color-success); }

.quiz-done { text-align: center; padding: 40px 24px; }
.quiz-done-burst { font-size: 3rem; animation: quiz-burst 420ms ease-out; }
.quiz-done-score {
  font-size: 2rem;
  font-weight: 800;
  margin: 4px 0 0;
  color: var(--color-primary-dark);
}
.quiz-done-tally { font-size: 1.05rem; font-weight: 600; margin-top: 2px; }

@media (prefers-reduced-motion: reduce) {
  .quiz-prompt.pop, .quiz-feedback, .quiz-feedback-burst, .quiz-done-burst { animation: none; }
}

/* ===== Auth pages ===== */

body.auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 209, 102, .35), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(76, 201, 240, .3), transparent 45%),
    radial-gradient(circle at 80% 15%, rgba(255, 107, 107, .22), transparent 35%),
    var(--color-bg);
}
.auth-card { width: 100%; max-width: 420px; padding: 30px 28px; }
.auth-card h1 { margin: 0.2rem 0 0.2rem; text-align: center; color: var(--color-primary-dark); }
.auth-card .subtitle { text-align: center; margin-top: 0; color: var(--color-ink-muted); }
.auth-mark { text-align: center; font-size: 2.2rem; }

/* ===== Responsive ===== */

@media (max-width: 640px) {
  .topbar { padding: 8px 12px; gap: 8px; }
  .brand { font-size: 1rem; }
  .topnav a, .topnav-toggle { padding: 5px 9px; font-size: 0.88rem; }
  .score-today { display: none; }
  .content { padding: 14px 10px 60px; }
  .flashcard-row { gap: 8px; }
  .nav-btn { width: 38px; height: 38px; font-size: 1.15rem; }
  .flashcard { min-height: 240px; }
  .flashcard-face { padding: 34px 20px; }
  .keyboard-hint { display: none; }
  .quiz-card { padding: 42px 18px 24px; }
  .quiz-feedback { padding: 22px 16px; }
  .quiz-input { font-size: 1.15rem !important; }
  .quiz-answer-form { margin-top: 18px; }
}

/* ===== Play page layout (lichess-style: meta+chat left, board center,
   players/clocks/moves right) ===== */

.play-layout {
  display: grid;
  grid-template-columns: 220px minmax(280px, 640px) 240px;
  gap: 16px;
  justify-content: center;
  align-items: start;
}

.play-left { display: flex; flex-direction: column; gap: 12px; }
.play-left .card { padding: 12px 14px; }
.meta-line { font-weight: 600; }
.meta-level { color: var(--color-primary-dark); font-size: 0.9rem; margin-top: 4px; }
.lichess-account form { margin: 6px 0 0; }

.play-center { display: flex; flex-direction: column; gap: 10px; }

.play-right {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 10px;
  min-height: 420px;
}

/* ===== Board ===== */

.board-wrap { position: relative; }

.board {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  user-select: none;
  touch-action: none;
}

.sq { position: absolute; width: 12.5%; height: 12.5%; }
.sq.light { background: #f0d9b5; }   /* lichess board colors */
.sq.dark { background: #b58863; }
.sq.lastmove { background-color: #cdd26a; }
.sq.dark.lastmove { background-color: #aaa23a; }
.sq.selected { background-color: #829769; }
.sq.dark.selected { background-color: #646f40; }
.sq.check {
  background: radial-gradient(ellipse at center, rgba(255, 0, 0, 0.85) 0%, rgba(231, 0, 0, 0.4) 45%, rgba(158, 0, 0, 0) 80%);
}
.sq.dot::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 32%;
  height: 32%;
  border-radius: 50%;
  background: rgba(20, 85, 30, 0.5);
}
.sq.capture::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 4px solid rgba(20, 85, 30, 0.5);
  border-radius: 50%;
  box-sizing: border-box;
}
.sq.drag-over { box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0.75); }
.sq.drag-origin .piece { opacity: 0.4; }

.piece {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  cursor: grab;
  z-index: 2;
}

.drag-ghost {
  position: fixed;
  z-index: 100;
  pointer-events: none;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.9;
}

.coord {
  position: absolute;
  font-size: 0.65rem;
  font-weight: 700;
  pointer-events: none;
  z-index: 1;
}
.coord-file { right: 3px; bottom: 1px; }
.coord-rank { left: 3px; top: 1px; }
.sq.light .coord { color: #b58863; }
.sq.dark .coord { color: #f0d9b5; }

@keyframes board-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}
.board.shake { animation: board-shake 120ms ease-in-out 2; }

/* ===== Board overlays (seek panel, result) ===== */

.board-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 42, 62, 0.55);
  z-index: 10;
  border-radius: 6px;
}

.seek-form, .seeking-box, .result-box {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 240px;
  text-align: center;
}
.seek-form h3 { margin: 0; }
.seek-form label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 0.9rem; }
.seek-form select, .seek-form input[type="range"] { font-size: 0.95rem; padding: 6px; }
.tc-options { display: flex; gap: 8px; justify-content: center; }
.tc-option {
  flex-direction: row !important;
  gap: 4px !important;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 6px 10px;
  cursor: pointer;
}
.rated-option { flex-direction: row !important; justify-content: center; gap: 6px !important; }

.seeking-spinner {
  margin: 0 auto;
  width: 34px;
  height: 34px;
  border: 4px solid var(--color-primary-soft);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.result-text { font-size: 1.4rem; font-weight: 800; }

/* ===== Promotion picker ===== */

.promo-picker {
  position: absolute;
  width: 12.5%;
  z-index: 20;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  border-radius: 6px;
}
.promo-choice {
  width: 100%;
  aspect-ratio: 1;
  border: none;
  background-color: transparent;
  background-size: 85%;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
}
.promo-choice:hover { background-color: var(--color-primary-soft); }

/* ===== Right column: players, clocks, moves, actions ===== */

.player-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius);
  background: var(--color-bg);
}
.player-name { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player-name.thinking::after { content: ' …'; color: var(--color-ink-muted); }

.clock {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  min-width: 74px;
  text-align: center;
}
.clock-active { background: var(--color-primary-soft); border-color: var(--color-primary); }
.clock-low { color: var(--color-accent-dark); }
.clock-low.clock-active { animation: clock-pulse 1s ease-in-out infinite; }
@keyframes clock-pulse { 50% { background: #FFE3E3; } }

.movelist {
  flex: 1;
  overflow-y: auto;
  min-height: 180px;
  max-height: 380px;
  font-size: 0.95rem;
  padding: 2px 4px;
}
.movelist-row { display: grid; grid-template-columns: 34px 1fr 1fr; gap: 2px; padding: 1px 0; }
.movelist-num { color: var(--color-ink-muted); }
.movelist-san { padding: 1px 6px; border-radius: 4px; }
.movelist-san.active { background: var(--color-primary-soft); font-weight: 700; }

.action-bar { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.small-button { font-size: 0.82rem; padding: 5px 10px; }

.draw-offer {
  background: var(--color-primary-soft);
  border-radius: var(--radius);
  padding: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.typed-form input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-display);
}
.typed-form input:focus { outline: 2px solid var(--color-primary); border-color: var(--color-primary); }

/* ===== Chat ===== */

.chat-card { display: flex; flex-direction: column; gap: 6px; }
.chat-title { font-weight: 700; font-size: 0.9rem; }
.chat-messages {
  height: 180px;
  overflow-y: auto;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.chat-line { overflow-wrap: anywhere; }
.chat-user { font-weight: 700; color: var(--color-primary-dark); }
.chat-form input {
  width: 100%;
  box-sizing: border-box;
  padding: 6px 8px;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

/* ===== Toast ===== */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--color-ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  z-index: 200;
  font-weight: 600;
  max-width: 90vw;
}
.toast-error { background: var(--color-accent-dark); }

/* ===== Connect card, stats ===== */

.connect-card { max-width: 520px; margin: 40px auto; }

.stat-chips { display: flex; gap: 12px; margin-bottom: 18px; }
.stat-chip { text-align: center; min-width: 110px; }
.stat-value { font-size: 1.8rem; font-weight: 800; color: var(--color-primary-dark); }

.winrate-bar {
  position: relative;
  background: var(--color-primary-soft);
  border-radius: 8px;
  height: 20px;
  min-width: 120px;
  overflow: hidden;
}
.winrate-fill { background: var(--color-success); height: 100%; }
.winrate-label {
  position: absolute;
  inset: 0;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 20px;
}

.result-win { color: var(--color-success-dark); font-weight: 700; }
.result-loss { color: var(--color-accent-dark); font-weight: 700; }
.result-draw { color: var(--color-ink-muted); font-weight: 700; }
.result-pending, .result-aborted { color: var(--color-ink-muted); }

/* ===== Responsive: stack columns on small screens ===== */

@media (max-width: 900px) {
  .play-layout { grid-template-columns: 1fr; }
  .play-left { order: 2; }
  .play-center { order: 1; }
  .play-right { order: 1; min-height: 0; }
  .movelist { max-height: 160px; }
}