/* ============================================================
   LinguaGuess: single stylesheet
   Energetic blue palette + soft glassmorphism over a gradient.
   ============================================================ */

:root {
  --blue-950: #172554;
  --blue-900: #1e3a8a;
  --blue-800: #1e40af;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;

  --ink:      #111827;   /* text on white cards */
  --ink-soft: #475569;

  --green:      #16a34a;
  --green-soft: #22c55e;
  --red:        #dc2626;
  --red-soft:   #ef4444;
  --amber:      #f59e0b;
  --gold:       #fbbf24;
  --gold-deep:  #b45309;

  --glass:     rgba(255, 255, 255, 0.13);
  --glass-hi:  rgba(255, 255, 255, 0.22);
  --glass-brd: rgba(255, 255, 255, 0.28);

  --radius: 18px;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.25);
}

* { box-sizing: border-box; }

/* Author `display` rules outrank the UA sheet, so restate [hidden] once, globally. */
[hidden] { display: none !important; }

html { height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: #fff;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(96, 165, 250, 0.55), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(30, 58, 138, 0.8), transparent 55%),
    linear-gradient(155deg, var(--blue-800) 0%, var(--blue-600) 55%, var(--blue-500) 100%);
  background-attachment: fixed;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  color: inherit;
  background: none;
}

button:focus-visible,
.flag-btn:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.85);
  outline-offset: 2px;
}

/* ---------- Header bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(30, 64, 175, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--glass-brd);
}

/* Pin the three header slots so hiding the home button never shifts the rest. */
.topbar > .icon-btn { grid-column: 1; }
.topbar-center      { grid-column: 2; }
.topbar > .lang-switch { grid-column: 3; }

.icon-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--glass-brd);
  transition: background 0.15s, transform 0.1s;
}
.icon-btn:hover { background: var(--glass-hi); }
.icon-btn:active { transform: scale(0.94); }

.topbar-center {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 14px;
  min-width: 0;
}

#view-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.score-badge {
  padding: 4px 12px;
  white-space: nowrap;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--blue-800);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(2, 6, 23, 0.25);
}

.time-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  white-space: nowrap;
  background: rgba(2, 6, 23, 0.3);
  border: 1px solid var(--glass-brd);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.88rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* The clock only runs while the player is deciding. */
.time-badge.paused { opacity: 0.55; }

.lang-switch { display: flex; gap: 6px; }

.flag-btn {
  font-size: 1.35rem;
  line-height: 1;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid transparent;
  opacity: 0.55;
  transition: opacity 0.15s, background 0.15s;
}
.flag-btn:hover { opacity: 0.85; }
.flag-btn.active {
  opacity: 1;
  background: var(--glass-hi);
  border-color: rgba(255, 255, 255, 0.55);
}

/* ---------- Layout / views ---------- */

#app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 26px 18px 60px;
}

/* Only the results screen needs the extra width; everything else stays narrow. */
.mode-grid, .guide-grid, .compare-block, .guide-actions, .board-view { max-width: 1100px; margin-inline: auto; }

.view { animation: view-in 0.25s ease-out; }

@keyframes view-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.tagline {
  text-align: center;
  margin: 4px auto 26px;
  max-width: 640px;
  font-size: 1.02rem;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Glass cards & buttons ---------- */

.glass-card {
  background: var(--glass);
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.1s, box-shadow 0.15s, background 0.15s;
}
.btn:active { transform: translateY(1px) scale(0.98); }

.btn-primary {
  background: linear-gradient(180deg, #ffffff, #e8efff);
  color: var(--blue-800);
  box-shadow: 0 4px 14px rgba(2, 6, 23, 0.3);
}
.btn-primary:hover { box-shadow: 0 6px 18px rgba(2, 6, 23, 0.4); }

.btn-ghost {
  background: var(--glass);
  border: 1px solid var(--glass-brd);
  color: #fff;
}
.btn-ghost:hover { background: var(--glass-hi); }

.btn-danger {
  background: linear-gradient(180deg, var(--red-soft), var(--red));
  color: #fff;
}

/* Segmented Easy/Hard toggle */
.seg {
  display: inline-flex;
  padding: 3px;
  border-radius: 11px;
  background: rgba(2, 6, 23, 0.25);
  border: 1px solid var(--glass-brd);
}
.seg button {
  padding: 6px 16px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.75);
  transition: background 0.15s, color 0.15s;
}
.seg button.active {
  background: #fff;
  color: var(--blue-800);
  box-shadow: 0 2px 6px rgba(2, 6, 23, 0.3);
}

/* ---------- Main menu ---------- */

.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}

.mode-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
}

/* Leaderboard shortcut, top-right of every mode card. */
.trophy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: var(--gold);
  background: rgba(2, 6, 23, 0.25);
  border: 1px solid rgba(251, 191, 36, 0.45);
  transition: background 0.15s, transform 0.1s;
}
.trophy-btn:hover { background: rgba(251, 191, 36, 0.22); }
.trophy-btn:active { transform: scale(0.92); }

.mode-card h2 {
  margin: 0;
  font-size: 1.2rem;
  text-align: center;
}
.mode-card .mode-sub {
  margin: -10px 0 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

/* 2×2 flags: compact horizontally, airy vertically */
.flag-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 8px;
  row-gap: 14px;
  max-width: 260px;
  margin: 2px auto;
  width: 100%;
}

.flag-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 6px 7px;
  border-radius: 13px;
  background: var(--glass-hi);
  border: 1px solid var(--glass-brd);
}
.flag-tile .fl { font-size: 2rem; line-height: 1.15; }
.flag-tile .nm { font-size: 0.74rem; font-weight: 600; color: rgba(255, 255, 255, 0.85); }

.best-line {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
  min-height: 1.1em;
  margin: -6px 0 0;
}

.card-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}
.card-actions .row {
  display: flex;
  gap: 10px;
  width: 100%;
}
.card-actions .row .btn { flex: 1; }

/* ---------- Explanations ---------- */

.guide-intro { margin: 0 0 18px; color: rgba(255, 255, 255, 0.88); }

.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.lang-guide { padding: 18px 20px; }

.lang-guide h3 {
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.08rem;
}

.chips { display: flex; flex-wrap: wrap; gap: 7px; margin: 4px 0 12px; }

.chip {
  min-width: 36px;
  padding: 5px 9px;
  text-align: center;
  border-radius: 9px;
  background: linear-gradient(180deg, #ffffff, #dbeafe);
  color: var(--blue-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  font-weight: 700;
  box-shadow: 0 2px 5px rgba(2, 6, 23, 0.35), inset 0 -2px 0 rgba(30, 64, 175, 0.25);
}

.word-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 12px; }
.word-tag {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.28);
  border: 1px solid var(--glass-brd);
  font-size: 0.86rem;
  font-style: italic;
}

.lang-guide .label {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 5px;
}

.lang-guide ul { margin: 0; padding-left: 18px; }
.lang-guide li { margin: 5px 0; font-size: 0.92rem; line-height: 1.5; }

.compare-block { padding: 18px 20px; margin-top: 18px; }
.compare-block h3 { margin: 0 0 10px; font-size: 1.05rem; }
.compare-block ul { margin: 0; padding-left: 18px; }
.compare-block li { margin: 6px 0; font-size: 0.93rem; line-height: 1.55; }

.guide-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}

/* ---------- Game ---------- */

.game-wrap { max-width: 780px; margin: 0 auto; }

.round-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
}

.progress-track {
  flex: 1;
  height: 6px;
  margin-left: 14px;
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.3);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #93c5fd, #fff);
  transition: width 0.3s ease;
}

/* Fixed-size white reading card; overlay sits on the frame, text scrolls inside */
.text-frame {
  position: relative;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.text-card {
  height: 350px;
  overflow-y: auto;
  padding: 26px 30px;
  border-radius: 16px;
  background: #ffffff;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  line-height: 1.75;
  white-space: pre-line;
}

.feedback-overlay {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  pointer-events: none;
  animation: fb-pop 0.35s cubic-bezier(0.2, 1.4, 0.4, 1);
}
.feedback-overlay.ok  { background: rgba(22, 163, 74, 0.14); }
.feedback-overlay.ko  { background: rgba(220, 38, 38, 0.14); }

.fb-icon {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
}
.feedback-overlay.ok .fb-icon { background: rgba(22, 163, 74, 0.78); }
.feedback-overlay.ko .fb-icon { background: rgba(220, 38, 38, 0.78); }

.fb-text {
  font-size: 1.5rem;
  font-weight: 800;
  padding: 4px 18px;
  border-radius: 999px;
  color: #fff;
}
.feedback-overlay.ok .fb-text { background: rgba(22, 163, 74, 0.82); }
.feedback-overlay.ko .fb-text { background: rgba(220, 38, 38, 0.82); }

@keyframes fb-pop {
  0%   { opacity: 0; transform: scale(0.75); }
  60%  { opacity: 1; transform: scale(1.05); }
  100% { opacity: 1; transform: scale(1); }
}

/* Answer row: 4 options + reserved slot for Next (no layout shift) */
.answers {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 12px;
  margin-top: 18px;
  align-items: stretch;
}

.answer-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 11px 8px;
  border-radius: 13px;
  background: linear-gradient(180deg, var(--blue-50), var(--blue-100));
  border: 1px solid rgba(37, 99, 235, 0.4);
  color: var(--blue-900);
  font-weight: 700;
  font-size: 0.92rem;
  transition: transform 0.12s, box-shadow 0.15s, filter 0.15s;
}
.answer-btn .fl { font-size: 1.5rem; line-height: 1; }
.answer-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(2, 6, 23, 0.3);
}
.answer-btn:disabled { cursor: default; }
.answers.locked .answer-btn:not(.is-correct):not(.is-wrong) { filter: grayscale(0.35); opacity: 0.6; }

.answer-btn.is-correct {
  background: linear-gradient(180deg, var(--green-soft), var(--green));
  border-color: var(--green);
  color: #fff;
}
.answer-btn.is-wrong {
  background: linear-gradient(180deg, var(--red-soft), var(--red));
  border-color: var(--red);
  color: #fff;
}

.next-slot { display: flex; align-items: stretch; }
.next-btn {
  min-width: 116px;
  border-radius: 13px;
  visibility: hidden;
}
.next-btn.show { visibility: visible; animation: view-in 0.2s ease-out; }

/* ---------- Results ---------- */

.score-hero {
  max-width: 460px;
  margin: 0 auto 22px;
  padding: 26px 24px 22px;
  text-align: center;
}
.score-hero .label {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
}
.score-hero .value {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 4px 18px rgba(2, 6, 23, 0.4);
}
.score-hero .sub { font-size: 0.9rem; color: rgba(255, 255, 255, 0.75); }

.best-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, #fcd34d, var(--amber));
  color: #451a03;
  font-weight: 800;
  font-size: 0.9rem;
}

.score-hero .breakdown {
  margin-top: 6px;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.66);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1.12fr 0.86fr;
  gap: 20px;
  align-items: start;
}

/* ---------- Leaderboard ---------- */

.panel h3 svg { vertical-align: -3px; color: var(--gold); margin-right: 4px; }

.board-list { display: flex; flex-direction: column; gap: 3px; }

.board-row {
  display: grid;
  grid-template-columns: 34px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 9px;
  background: rgba(2, 6, 23, 0.2);
  font-size: 0.9rem;
}
.board-row .rk {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.6);
}
.board-row:nth-child(1) .rk { color: var(--gold); }
.board-row:nth-child(2) .rk { color: #e2e8f0; }
.board-row:nth-child(3) .rk { color: #d8a27a; }
.board-row .nm {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.board-row .sc { font-weight: 800; font-variant-numeric: tabular-nums; }
.board-row .tm {
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.6);
  min-width: 46px;
  text-align: right;
}
.board-row.mine {
  background: rgba(251, 191, 36, 0.22);
  box-shadow: inset 0 0 0 1px rgba(251, 191, 36, 0.6);
}

.board-note {
  padding: 12px 4px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.75);
}
.board-note.saved { color: #fde68a; font-weight: 700; }

.btn-gold {
  width: 100%;
  margin-top: 12px;
  background: linear-gradient(180deg, #fcd34d, var(--amber));
  color: #451a03;
  box-shadow: 0 4px 14px rgba(2, 6, 23, 0.3);
}
.btn-gold:hover { box-shadow: 0 6px 18px rgba(2, 6, 23, 0.4); }

/* Full leaderboard page */

.board-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input, .name-input {
  padding: 9px 14px;
  border-radius: 11px;
  border: 1px solid var(--glass-brd);
  background: rgba(2, 6, 23, 0.28);
  color: #fff;
  font: inherit;
  font-size: 0.95rem;
  min-width: 240px;
}
.search-input::placeholder, .name-input::placeholder { color: rgba(255, 255, 255, 0.5); }
.search-input:focus, .name-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(2, 6, 23, 0.4);
}

.board-page { padding: 16px 18px; }

.board-head {
  display: grid;
  grid-template-columns: 34px 1fr auto auto;
  gap: 10px;
  padding: 0 10px 8px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.6);
  border-bottom: 1px solid var(--glass-brd);
}
.board-head .tm, .board-head .sc { text-align: right; }

.board-scroll {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 60vh;
  overflow-y: auto;
  padding-top: 8px;
}
.board-scroll .board-row { font-size: 0.95rem; padding: 9px 10px; }

/* Name entry modal */

.modal-title { margin: 0 0 4px; font-size: 1.1rem; }
.modal-hint { margin: 0 0 14px !important; font-size: 0.86rem; color: var(--ink-soft); }
.modal .name-input {
  width: 100%;
  margin-bottom: 12px;
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: var(--ink);
}
.modal .name-input::placeholder { color: #94a3b8; }
.modal-error {
  margin: 0 0 12px !important;
  font-size: 0.86rem !important;
  color: var(--red);
}

.panel { padding: 18px 20px; }
.panel h3 { margin: 0 0 12px; font-size: 1.02rem; }
.panel .hint { margin: 10px 0 0; font-size: 0.8rem; color: rgba(255, 255, 255, 0.65); }

/* Per-language accuracy rows */
.acc-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
}
.acc-row .fl { font-size: 1.3rem; }
.acc-row .nm { font-weight: 700; font-size: 0.92rem; }
.acc-bar {
  height: 7px;
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.3);
  overflow: hidden;
  margin-top: 4px;
}
.acc-bar span { display: block; height: 100%; border-radius: 999px; background: #a7f3d0; }
.acc-num {
  font-size: 0.86rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.9);
  white-space: nowrap;
}

/* Confusion matrix: white sub-card, numbers always visible, tints add magnitude */
.cm-wrap {
  background: #fff;
  border-radius: 13px;
  padding: 12px;
  color: var(--ink);
  overflow-x: auto;
}
.cm-table { border-collapse: separate; border-spacing: 3px; margin: 0 auto; }
.cm-table th {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
  padding: 3px 6px;
  text-align: center;
}
.cm-table th .fl { font-size: 1.15rem; display: block; line-height: 1.1; }
.cm-table .axis-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-soft);
}
.cm-cell {
  width: 52px;
  height: 44px;
  text-align: center;
  border-radius: 9px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  color: var(--ink);
  background: #f1f5f9;
  cursor: default;
  transition: box-shadow 0.12s, transform 0.12s;
}
.cm-cell.clickable { cursor: pointer; }
.cm-cell.clickable:hover { box-shadow: 0 0 0 2px var(--blue-500) inset; transform: scale(1.04); }
.cm-cell.selected { box-shadow: 0 0 0 2px var(--blue-800) inset; }
.cm-table .hl { background: var(--blue-50); border-radius: 7px; }

.cm-details {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 11px;
  background: rgba(2, 6, 23, 0.28);
  border: 1px solid var(--glass-brd);
  font-size: 0.88rem;
}
.cm-details .cm-details-title { font-weight: 800; margin-bottom: 6px; }
.cm-details .excerpt {
  margin: 5px 0;
  font-family: Georgia, serif;
  font-style: italic;
  color: rgba(255, 255, 255, 0.88);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.results-actions {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 24px;
}

/* ---------- Quit confirmation modal ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(2, 6, 23, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: view-in 0.15s ease-out;
}

.modal {
  width: min(420px, 100%);
  padding: 24px;
  border-radius: 16px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.5);
  text-align: center;
}
.modal p { margin: 4px 0 20px; font-size: 1.02rem; line-height: 1.5; }
.modal .modal-actions { display: flex; gap: 12px; justify-content: center; }
.modal .btn-neutral {
  background: #e2e8f0;
  color: var(--ink);
}
.modal .btn-neutral:hover { background: #cbd5e1; }
.modal .btn:focus-visible { outline-color: var(--blue-600); }

/* ---------- Responsive ---------- */

@media (max-width: 1180px) {
  .results-grid { grid-template-columns: 1fr 1fr; }
  .board-panel { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .guide-grid, .results-grid { grid-template-columns: 1fr; }
  .board-controls { flex-direction: column; align-items: stretch; }
  .search-input { min-width: 0; width: 100%; }
}

@media (max-width: 640px) {
  /* Keep the three header slots readable when space is tight. */
  .topbar { grid-template-columns: 44px 1fr auto; padding: 8px 10px; gap: 8px; }
  .topbar-center { gap: 8px; }
  .icon-btn { width: 38px; height: 38px; }
  .flag-btn { font-size: 1.15rem; padding: 4px 6px; }
  .score-badge { font-size: 0.82rem; padding: 3px 9px; }
  #view-title { font-size: 0.95rem; }
  .text-card { height: 300px; padding: 18px 20px; font-size: 1rem; }
  .answers { grid-template-columns: 1fr 1fr; }
  .next-slot { grid-column: 1 / -1; }
  .next-btn { width: 100%; }
  .results-actions { flex-direction: column; }
  .results-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}