/*
 * LearnHindiTyping.in — Practice Page Stylesheet v2.0
 * Mobile-first | WCAG AA | Vanilla CSS
 * Fonts loaded via <link> in HTML — no @import
 */

/* ═══════════════════════════════════════════
   1. CSS CUSTOM PROPERTIES
   ═══════════════════════════════════════════ */
:root {
  /* Brand */
  --saffron:       #FF6B1A;
  --saffron-lt:    #FF8C42;
  --saffron-dk:    #D94F00;
  --emerald:       #00C48C;
  --emerald-lt:    #00DDAA;
  --emerald-bg:    rgba(0,196,140,0.12);
  --rose:          #FF4D6A;
  --rose-bg:       rgba(255,77,106,0.12);
  --indigo:        #4A4FE4;
  --gold:          #FFD166;

  /* Surfaces */
  --bg:            #090A12;
  --bg-card:       #111220;
  --bg-card-h:     #181928;
  --bg-surface:    #1A1B2C;
  --bg-input:      #0E0F1C;
  --bg-overlay:    rgba(9,10,18,0.96);

  /* Text — all WCAG AA on --bg */
  --txt:           #EEEFFE;
  --txt-2:         #9497B2;
  --txt-3:         #6B6E8C;
  --txt-correct:   #00DDAA;
  --txt-wrong:     #FF4D6A;
  --txt-pending:   #9497B2;
  --txt-cursor:    #FF8C42;

  /* Borders */
  --bdr:           rgba(255,255,255,0.08);
  --bdr-focus:     rgba(255,107,26,0.45);
  --bdr-correct:   rgba(0,196,140,0.30);
  --bdr-wrong:     rgba(255,77,106,0.35);

  /* Shadows */
  --shadow-sm:     0 2px 12px rgba(0,0,0,0.24);
  --shadow-md:     0 4px 24px rgba(0,0,0,0.32);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.44);
  --glow-s:        0 0 24px rgba(255,107,26,0.18);
  --glow-m:        0 0 48px rgba(255,107,26,0.26);
  --glow-correct:  0 0 20px rgba(0,196,140,0.25);
  --glow-wrong:    0 0 20px rgba(255,77,106,0.22);

  /* Radius */
  --r-xs:  8px;
  --r-sm:  12px;
  --r-md:  18px;
  --r-lg:  24px;
  --r-xl:  32px;
  --r-pill:100px;

  /* Typography */
  --font:      'Baloo 2', 'Segoe UI', system-ui, sans-serif;
  --font-hi:   'Noto Sans Devanagari', 'Mangal', serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Typing text sizes */
  --type-size-en: clamp(1.1rem, 2.4vw, 1.35rem);
  --type-size-hi: clamp(1.2rem, 2.6vw, 1.5rem);

  /* Motion */
  --ease:    cubic-bezier(0.22,1,0.36,1);
  --ease-in: cubic-bezier(0.4,0,1,1);
  --dur:     0.22s;

  /* Layout */
  --nav-h:   60px;
  --max-w:   860px;
}

/* ═══════════════════════════════════════════
   2. RESET & BASE
   ═══════════════════════════════════════════ */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100svh;
}
img,svg  { display:block; max-width:100%; }
button   { font-family:inherit; cursor:pointer; }
a        { color:inherit; text-decoration:none; }
[hidden] { display:none !important; }

/* Skip link */
.skip-link {
  position:absolute; top:-48px; left:16px;
  padding:8px 16px;
  background:var(--saffron); color:#fff;
  font-weight:700; font-size:0.875rem;
  border-radius:var(--r-md); z-index:9999;
  transition:top 0.2s;
}
.skip-link:focus { top:16px; }

/* Focus ring */
:focus-visible {
  outline: 2px solid var(--saffron);
  outline-offset: 3px;
  border-radius: 4px;
}
:focus:not(:focus-visible) { outline:none; }

/* Scrollbar */
::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--saffron-dk); border-radius:3px; }

/* Background grid */
.bg-grid {
  position:fixed; inset:0;
  background-image:
    linear-gradient(rgba(255,107,26,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,26,0.03) 1px, transparent 1px);
  background-size:52px 52px;
  pointer-events:none; z-index:0; will-change:transform;
}

/* ═══════════════════════════════════════════
   3. NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position:fixed; inset:0 0 auto;
  z-index:500; height:var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 clamp(14px,4vw,28px);
  background:rgba(9,10,18,0.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--bdr);
}
.nav-logo {
  display:flex; align-items:center; gap:8px;
}
.nav-logo-icon {
  width:32px; height:32px;
  background:linear-gradient(135deg,var(--saffron),var(--saffron-dk));
  border-radius:8px; display:grid; place-items:center;
  font-size:16px; box-shadow:0 3px 12px rgba(255,107,26,0.35);
  flex-shrink:0;
}
.nav-logo-text {
  font-size:1rem; font-weight:700; color:var(--txt);
}
.nav-logo-text em { color:var(--saffron); font-style:normal; }

.nav-right {
  display:flex; align-items:center; gap:8px;
}
.nav-lang-tag {
  padding:5px 12px;
  background:rgba(255,107,26,0.1);
  border:1px solid rgba(255,107,26,0.22);
  border-radius:var(--r-pill);
  font-size:0.75rem; font-weight:700;
  color:var(--saffron-lt);
  letter-spacing:0.3px;
}
.nav-home-btn {
  display:flex; align-items:center; gap:6px;
  padding:7px 14px;
  background:rgba(255,255,255,0.06);
  border:1px solid var(--bdr);
  border-radius:var(--r-pill);
  font-size:0.82rem; font-weight:600; color:var(--txt-2);
  transition:background var(--dur) var(--ease), color var(--dur);
}
.nav-home-btn:hover { background:rgba(255,255,255,0.11); color:var(--txt); }

/* ═══════════════════════════════════════════
   4. PAGE LAYOUT
   ═══════════════════════════════════════════ */
.practice-page {
  position:relative; z-index:1;
  padding-top:calc(var(--nav-h) + 20px);
  padding-bottom:48px;
  min-height:100svh;
}
.container {
  width:100%;
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 clamp(14px,4vw,24px);
}

/* ═══════════════════════════════════════════
   5. PAGE HEADER
   ═══════════════════════════════════════════ */
.page-header {
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
  flex-wrap:wrap;
}
.page-title-wrap {}
.page-tag {
  display:inline-block;
  padding:3px 12px;
  background:rgba(255,107,26,0.1);
  border:1px solid rgba(255,107,26,0.2);
  border-radius:var(--r-pill);
  font-size:0.7rem; font-weight:700;
  letter-spacing:1px; text-transform:uppercase;
  color:var(--saffron-lt); margin-bottom:6px;
}
.page-title {
  font-size:clamp(1.4rem,3vw,1.9rem);
  font-weight:800; letter-spacing:-0.5px;
  color:var(--txt); line-height:1.15;
}
.page-title span { color:var(--saffron); }

.best-score-pill {
  display:flex; align-items:center; gap:6px;
  padding:8px 16px;
  background:var(--bg-card);
  border:1px solid var(--bdr);
  border-radius:var(--r-md);
  flex-shrink:0;
}
.best-score-label {
  font-size:0.7rem; color:var(--txt-3);
  text-transform:uppercase; letter-spacing:0.8px;
  font-weight:600;
}
.best-score-val {
  font-size:1.2rem; font-weight:800;
  font-family:var(--font-mono);
  color:var(--gold); letter-spacing:-0.5px;
}
.best-score-unit {
  font-size:0.7rem; color:var(--txt-3);
  font-weight:600;
}

/* ═══════════════════════════════════════════
   6. CONTROLS BAR
   ═══════════════════════════════════════════ */
.controls-bar {
  display:flex;
  gap:10px;
  margin-bottom:20px;
  flex-wrap:wrap;
  align-items:center;
}

/* Control Group */
.ctrl-group {
  display:flex;
  background:var(--bg-card);
  border:1px solid var(--bdr);
  border-radius:var(--r-md);
  overflow:hidden;
  flex-shrink:0;
}
.ctrl-group-label {
  display:flex; align-items:center;
  padding:0 12px;
  font-size:0.68rem; font-weight:700;
  text-transform:uppercase; letter-spacing:0.8px;
  color:var(--txt-3);
  border-right:1px solid var(--bdr);
  white-space:nowrap;
}
.ctrl-btn {
  position:relative;
  padding:10px 16px;
  background:transparent;
  border:none;
  border-right:1px solid var(--bdr);
  font-size:0.82rem; font-weight:600;
  color:var(--txt-2);
  transition:background var(--dur), color var(--dur);
  white-space:nowrap;
  min-height:44px; /* touch target */
}
.ctrl-btn:last-child { border-right:none; }
.ctrl-btn:hover { background:rgba(255,255,255,0.06); color:var(--txt); }
.ctrl-btn.active {
  background:linear-gradient(135deg,var(--saffron),var(--saffron-dk));
  color:#fff;
}
.ctrl-btn:focus-visible { z-index:1; }

/* Difficulty select */
.diff-select {
  display:flex; align-items:center;
  background:var(--bg-card);
  border:1px solid var(--bdr);
  border-radius:var(--r-md);
  overflow:hidden;
  flex-shrink:0;
}
.diff-select select {
  appearance:none; -webkit-appearance:none;
  background:transparent;
  border:none; outline:none;
  padding:10px 36px 10px 14px;
  font-family:var(--font);
  font-size:0.82rem; font-weight:600;
  color:var(--txt-2);
  cursor:pointer;
  min-height:44px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6E8C' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
}
.diff-select select:focus { color:var(--txt); }

/* ═══════════════════════════════════════════
   7. METRICS STRIP
   ═══════════════════════════════════════════ */
.metrics-strip {
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:10px;
  margin-bottom:16px;
}
.metric-card {
  background:var(--bg-card);
  border:1px solid var(--bdr);
  border-radius:var(--r-md);
  padding:14px 16px;
  text-align:center;
  position:relative;
  overflow:hidden;
  transition:border-color var(--dur);
}
.metric-card::before {
  content:'';
  position:absolute; top:0; left:0; right:0;
  height:2px;
  background:linear-gradient(90deg,var(--saffron),var(--saffron-lt));
  opacity:0; transition:opacity var(--dur);
}
.metric-card.active::before { opacity:1; }

.metric-icon {
  font-size:1rem; margin-bottom:4px;
  display:block; line-height:1;
}
.metric-val {
  font-family:var(--font-mono);
  font-size:clamp(1.3rem,3.5vw,1.8rem);
  font-weight:800;
  letter-spacing:-1px;
  line-height:1;
  margin-bottom:3px;
  transition:color var(--dur);
}
.mv-wpm  { color:var(--saffron-lt); }
.mv-acc  { color:var(--emerald-lt); }
.mv-chars{ color:var(--indigo); }
.mv-time { color:var(--gold); }
.mv-miss { color:var(--rose); }

.metric-lbl {
  font-size:0.65rem; font-weight:700;
  text-transform:uppercase; letter-spacing:0.8px;
  color:var(--txt-3);
}

/* Pulsing WPM when typing */
@keyframes wpmPulse {
  0%   { transform:scale(1); }
  50%  { transform:scale(1.04); }
  100% { transform:scale(1); }
}
.metric-val.pulse {
  animation:wpmPulse 0.3s var(--ease);
}

/* ═══════════════════════════════════════════
   8. TIMER RING
   ═══════════════════════════════════════════ */
.timer-ring-wrap {
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.timer-ring {
  position:relative;
  width:80px; height:80px;
  flex-shrink:0;
}
.timer-ring svg {
  position:absolute; inset:0;
  transform:rotate(-90deg);
}
.timer-ring-bg {
  fill:none;
  stroke:rgba(255,255,255,0.06);
  stroke-width:5;
}
.timer-ring-fill {
  fill:none;
  stroke:var(--saffron);
  stroke-width:5;
  stroke-linecap:round;
  stroke-dasharray:220;
  stroke-dashoffset:0;
  transition:stroke-dashoffset 1s linear, stroke var(--dur);
}
.timer-ring-fill.warning { stroke:var(--gold); }
.timer-ring-fill.danger  { stroke:var(--rose); }

.timer-num {
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono);
  font-size:1.1rem; font-weight:800;
  color:var(--txt); letter-spacing:-1px;
}

/* ═══════════════════════════════════════════
   9. TYPING AREA
   ═══════════════════════════════════════════ */
.typing-area {
  position:relative;
  margin-bottom:16px;
}

/* Source text display */
.source-text-wrap {
  position:relative;
  background:var(--bg-card);
  border:2px solid var(--bdr);
  border-radius:var(--r-lg);
  padding:clamp(18px,3vw,28px);
  overflow:hidden;
  transition:border-color var(--dur), box-shadow var(--dur);
  cursor:text;
  min-height:140px;
}
.source-text-wrap.focused {
  border-color:var(--bdr-focus);
  box-shadow:var(--glow-s);
}
.source-text-wrap.correct-state {
  border-color:var(--bdr-correct);
  box-shadow:var(--glow-correct);
}
.source-text-wrap.error-state {
  border-color:var(--bdr-wrong);
  box-shadow:var(--glow-wrong);
}

/* Top gradient fade for long text */
.source-text-wrap::after {
  content:'';
  position:absolute; bottom:0; left:0; right:0;
  height:28px;
  background:linear-gradient(transparent, var(--bg-card));
  pointer-events:none;
  border-radius:0 0 var(--r-lg) var(--r-lg);
}

.source-text {
  font-size:var(--type-size-en);
  line-height:1.9;
  letter-spacing:0.02em;
  word-break:break-word;
  overflow-wrap:break-word;
  white-space:pre-wrap;
  user-select:none;
  -webkit-user-select:none;
  position:relative;
  z-index:1;
}
.source-text.lang-hi {
  font-family:var(--font-hi);
  font-size:var(--type-size-hi);
  letter-spacing:0.03em;
  line-height:2.1;
}

/* Character spans */
.char {
  display:inline;
  position:relative;
  transition:color 0.1s;
  border-radius:2px;
}
.char.correct {
  color:var(--txt-correct);
}
.char.wrong {
  color:var(--txt-wrong);
  background:rgba(255,77,106,0.1);
  border-radius:2px;
}
.char.pending {
  color:var(--txt-pending);
}
/* Cursor character */
.char.cursor {
  position:relative;
}
.char.cursor::before {
  content:'';
  position:absolute;
  left:-1px; top:5%; bottom:5%;
  width:2px;
  background:var(--txt-cursor);
  border-radius:2px;
  animation:caretBlink 1s step-end infinite;
}

@keyframes caretBlink {
  0%,100% { opacity:1; }
  50%      { opacity:0; }
}

/* Space character */
.char.space.wrong {
  background:rgba(255,77,106,0.18);
  border-radius:2px;
}

/* Click-to-start overlay */
.click-overlay {
  position:absolute; inset:0;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:10px;
  background:rgba(9,10,18,0.55);
  backdrop-filter:blur(4px);
  border-radius:var(--r-lg);
  z-index:10;
  transition:opacity 0.25s;
}
.click-overlay.hidden { opacity:0; pointer-events:none; }

.click-overlay-icon {
  font-size:2rem; animation:bounce 1.5s ease-in-out infinite;
}
@keyframes bounce {
  0%,100% { transform:translateY(0); }
  50%      { transform:translateY(-6px); }
}
.click-overlay-text {
  font-size:1rem; font-weight:700; color:var(--txt);
}
.click-overlay-sub {
  font-size:0.8rem; color:var(--txt-2);
  text-align:center; max-width:280px;
}

/* Mobile keyboard trigger */
.mobile-input {
  position:absolute;
  opacity:0;
  pointer-events:none;
  width:1px; height:1px;
  top:0; left:0;
  font-size:16px; /* prevent iOS zoom */
  z-index:-1;
}

/* ═══════════════════════════════════════════
   10. INPUT BAR (visible on mobile, hidden on desktop)
   ═══════════════════════════════════════════ */
.input-bar {
  display:none; /* shown on mobile or as fallback */
  align-items:center; gap:10px;
  margin-bottom:12px;
}
.input-bar-label {
  font-size:0.75rem; font-weight:600;
  color:var(--txt-3); white-space:nowrap;
}
.input-bar input {
  flex:1;
  background:var(--bg-input);
  border:1.5px solid var(--bdr);
  border-radius:var(--r-md);
  padding:12px 16px;
  font-family:var(--font);
  font-size:var(--type-size-en);
  color:var(--txt);
  outline:none;
  transition:border-color var(--dur), box-shadow var(--dur);
  min-height:52px;
}
.input-bar input.lang-hi {
  font-family:var(--font-hi);
  font-size:var(--type-size-hi);
}
.input-bar input:focus {
  border-color:var(--bdr-focus);
  box-shadow:var(--glow-s);
}

/* ═══════════════════════════════════════════
   11. ACTION BUTTONS
   ═══════════════════════════════════════════ */
.action-row {
  display:flex; gap:10px; flex-wrap:wrap;
  align-items:center; justify-content:center;
  margin-top:8px;
}
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  gap:7px;
  padding:12px 22px;
  font-family:var(--font);
  font-weight:700; font-size:0.9rem;
  border-radius:var(--r-pill);
  border:none;
  cursor:pointer;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur), background var(--dur);
  white-space:nowrap;
  min-height:46px;
  text-decoration:none;
}
.btn:active { transform:translateY(1px) scale(0.97); }

.btn-primary {
  background:linear-gradient(135deg,var(--saffron),var(--saffron-dk));
  color:#fff;
  box-shadow:0 4px 18px rgba(255,107,26,0.32);
}
.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow:0 8px 26px rgba(255,107,26,0.46);
}
.btn-secondary {
  background:rgba(255,255,255,0.07);
  color:var(--txt);
  border:1px solid var(--bdr);
}
.btn-secondary:hover {
  background:rgba(255,255,255,0.12);
  transform:translateY(-1px);
}
.btn-ghost {
  background:transparent;
  color:var(--txt-2);
  border:1px solid var(--bdr);
  font-size:0.82rem; padding:9px 18px;
}
.btn-ghost:hover { color:var(--txt); background:rgba(255,255,255,0.06); }

.btn-icon { font-size:1rem; }

/* ═══════════════════════════════════════════
   12. RECENT ATTEMPTS
   ═══════════════════════════════════════════ */
.attempts-section {
  margin-top:32px;
}
.attempts-title {
  font-size:0.78rem; font-weight:700;
  text-transform:uppercase; letter-spacing:0.8px;
  color:var(--txt-3); margin-bottom:12px;
  display:flex; align-items:center; gap:8px;
}
.attempts-title::after { content:''; flex:1; height:1px; background:var(--bdr); }

.attempts-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(160px,1fr));
  gap:10px;
}
.attempt-card {
  background:var(--bg-card);
  border:1px solid var(--bdr);
  border-radius:var(--r-sm);
  padding:12px 14px;
  transition:border-color var(--dur);
}
.attempt-card:hover { border-color:rgba(255,107,26,0.2); }
.attempt-head {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:8px;
}
.attempt-lang {
  font-size:0.68rem; font-weight:700;
  text-transform:uppercase; color:var(--saffron);
}
.attempt-time {
  font-size:0.65rem; color:var(--txt-3);
  font-family:var(--font-mono);
}
.attempt-metrics {
  display:grid; grid-template-columns:1fr 1fr; gap:6px;
}
.attempt-metric {
  text-align:center; padding:5px 4px;
  background:rgba(255,255,255,0.025);
  border-radius:var(--r-xs);
}
.am-val {
  font-size:1.05rem; font-weight:800;
  font-family:var(--font-mono);
  letter-spacing:-0.5px;
}
.am-wpm  { color:var(--saffron-lt); }
.am-acc  { color:var(--emerald-lt); }
.am-lbl  {
  font-size:0.6rem; font-weight:600;
  text-transform:uppercase; letter-spacing:0.4px;
  color:var(--txt-3); margin-top:1px;
}

/* Empty state */
.empty-state {
  text-align:center; padding:28px 16px;
  background:var(--bg-card);
  border:1px dashed rgba(255,255,255,0.07);
  border-radius:var(--r-md);
}
.empty-icon  { font-size:1.8rem; margin-bottom:8px; opacity:0.4; }
.empty-text  { font-size:0.82rem; color:var(--txt-3); }

/* ═══════════════════════════════════════════
   13. RESULT SCREEN (overlay)
   ═══════════════════════════════════════════ */
.result-overlay {
  position:fixed; inset:0;
  z-index:600;
  background:var(--bg-overlay);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  display:flex; align-items:center; justify-content:center;
  padding:20px;
  opacity:0;
  pointer-events:none;
  transition:opacity 0.35s var(--ease);
}
.result-overlay.show {
  opacity:1;
  pointer-events:all;
}

.result-card {
  background:var(--bg-card);
  border:1px solid var(--bdr);
  border-radius:var(--r-xl);
  padding:clamp(24px,5vw,40px);
  max-width:520px;
  width:100%;
  max-height:90svh;
  overflow-y:auto;
  position:relative;
  transform:scale(0.94) translateY(20px);
  transition:transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow:0 24px 80px rgba(0,0,0,0.55);
}
.result-overlay.show .result-card {
  transform:scale(1) translateY(0);
}

/* Top bar */
.result-top-bar {
  position:absolute; top:0; left:0; right:0;
  height:3px;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
}
.result-top-bar.excellent { background:linear-gradient(90deg,var(--emerald),var(--emerald-lt)); }
.result-top-bar.good      { background:linear-gradient(90deg,var(--saffron),var(--gold)); }
.result-top-bar.fair      { background:linear-gradient(90deg,var(--gold),var(--saffron-lt)); }
.result-top-bar.low       { background:linear-gradient(90deg,var(--rose),#FF8CA0); }

.result-header {
  text-align:center; margin-bottom:28px; padding-top:8px;
}
.result-emoji { font-size:2.8rem; margin-bottom:8px; display:block; }
.result-title {
  font-size:1.3rem; font-weight:800; color:var(--txt);
  margin-bottom:4px; letter-spacing:-0.3px;
}
.result-subtitle {
  font-size:0.85rem; color:var(--txt-2);
}

/* Score grid */
.result-scores {
  display:grid; grid-template-columns:1fr 1fr;
  gap:12px; margin-bottom:24px;
}
.score-block {
  background:var(--bg-surface);
  border:1px solid var(--bdr);
  border-radius:var(--r-md);
  padding:18px 14px;
  text-align:center;
  position:relative; overflow:hidden;
}
.score-block.highlight {
  border-color:rgba(255,107,26,0.28);
  background:rgba(255,107,26,0.06);
}
.score-block.highlight::before {
  content:'';
  position:absolute; inset:0 0 auto;
  height:2px;
  background:linear-gradient(90deg,var(--saffron),var(--saffron-lt));
}
.score-icon { font-size:1.2rem; margin-bottom:6px; }
.score-val {
  font-family:var(--font-mono);
  font-size:2rem; font-weight:800; line-height:1;
  letter-spacing:-1.5px; margin-bottom:4px;
}
.sv-wpm  { color:var(--saffron-lt); }
.sv-acc  { color:var(--emerald-lt); }
.sv-miss { color:var(--rose); }
.sv-time { color:var(--gold); }
.score-lbl {
  font-size:0.7rem; font-weight:700;
  text-transform:uppercase; letter-spacing:0.8px;
  color:var(--txt-3);
}

/* Best score comparison */
.result-comparison {
  background:var(--bg-surface);
  border:1px solid var(--bdr);
  border-radius:var(--r-md);
  padding:16px;
  margin-bottom:22px;
  display:flex; align-items:center; gap:12px;
}
.comparison-icon { font-size:1.5rem; flex-shrink:0; }
.comparison-body { flex:1; }
.comparison-title {
  font-size:0.82rem; font-weight:700; color:var(--txt);
  margin-bottom:2px;
}
.comparison-sub { font-size:0.75rem; color:var(--txt-2); }
.comparison-badge {
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:0.72rem; font-weight:700;
  flex-shrink:0;
}
.cb-new  { background:rgba(0,196,140,0.12); color:var(--emerald-lt); border:1px solid rgba(0,196,140,0.25); }
.cb-same { background:rgba(255,107,26,0.1);  color:var(--saffron-lt); border:1px solid rgba(255,107,26,0.22); }

/* Result actions */
.result-actions {
  display:flex; gap:10px; flex-direction:column;
}
.result-actions .btn { width:100%; }

/* ═══════════════════════════════════════════
   14. COUNTDOWN OVERLAY
   ═══════════════════════════════════════════ */
.countdown-overlay {
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(9,10,18,0.7);
  backdrop-filter:blur(6px);
  border-radius:var(--r-lg);
  z-index:20;
  opacity:0; pointer-events:none;
  transition:opacity 0.2s;
}
.countdown-overlay.show { opacity:1; pointer-events:all; }
.countdown-num {
  font-size:5rem; font-weight:800;
  font-family:var(--font-mono);
  color:var(--saffron);
  letter-spacing:-3px;
  animation:countPop 0.4s var(--ease);
}
@keyframes countPop {
  from { transform:scale(1.5); opacity:0; }
  to   { transform:scale(1); opacity:1; }
}

/* ═══════════════════════════════════════════
   15. TOAST NOTIFICATION
   ═══════════════════════════════════════════ */
.toast {
  position:fixed; bottom:24px; left:50%;
  transform:translateX(-50%) translateY(80px);
  padding:10px 20px;
  background:var(--bg-surface);
  border:1px solid var(--bdr);
  border-radius:var(--r-pill);
  font-size:0.85rem; font-weight:600;
  color:var(--txt);
  z-index:700;
  box-shadow:var(--shadow-lg);
  transition:transform 0.35s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s;
  white-space:nowrap;
  pointer-events:none;
  opacity:0;
}
.toast.show { transform:translateX(-50%) translateY(0); opacity:1; }
.toast.toast-success { border-color:rgba(0,196,140,0.3); color:var(--emerald-lt); }
.toast.toast-error   { border-color:rgba(255,77,106,0.3); color:var(--rose); }

/* ═══════════════════════════════════════════
   16. KEYBOARD HINT (desktop)
   ═══════════════════════════════════════════ */
.keyboard-hint {
  text-align:center; padding:10px;
  font-size:0.75rem; color:var(--txt-3);
  margin-top:8px;
}
kbd {
  display:inline-block;
  padding:2px 7px;
  background:var(--bg-surface);
  border:1px solid var(--bdr);
  border-radius:5px;
  font-family:var(--font-mono);
  font-size:0.72rem; color:var(--txt-2);
}

/* ═══════════════════════════════════════════
   17. PROGRESS INDICATOR
   ═══════════════════════════════════════════ */
.text-progress {
  height:3px;
  background:rgba(255,255,255,0.05);
  border-radius:2px;
  margin-bottom:12px;
  overflow:hidden;
}
.text-progress-fill {
  height:100%;
  background:linear-gradient(90deg,var(--saffron),var(--saffron-lt));
  border-radius:2px;
  transition:width 0.15s;
  width:0%;
}

/* ═══════════════════════════════════════════
   18. LOADING STATE
   ═══════════════════════════════════════════ */
.loading-spinner {
  display:inline-block;
  width:20px; height:20px;
  border:2px solid rgba(255,107,26,0.2);
  border-top-color:var(--saffron);
  border-radius:50%;
  animation:spin 0.7s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ═══════════════════════════════════════════
   19. ANIMATIONS
   ═══════════════════════════════════════════ */
@keyframes fadeIn {
  from { opacity:0; transform:translateY(8px); }
  to   { opacity:1; transform:translateY(0); }
}
.fade-in { animation:fadeIn 0.4s var(--ease) both; }

@keyframes shake {
  0%,100% { transform:translateX(0); }
  20%     { transform:translateX(-6px); }
  40%     { transform:translateX(6px); }
  60%     { transform:translateX(-4px); }
  80%     { transform:translateX(4px); }
}
.shake { animation:shake 0.3s var(--ease); }

/* New best flash */
@keyframes newBest {
  0%   { box-shadow:0 0 0 0 rgba(0,196,140,0.6); }
  70%  { box-shadow:0 0 0 12px rgba(0,196,140,0); }
  100% { box-shadow:0 0 0 0 rgba(0,196,140,0); }
}
.new-best-flash { animation:newBest 0.7s var(--ease); }

/* ═══════════════════════════════════════════
   20. RESPONSIVE
   ═══════════════════════════════════════════ */

/* ── 320px ── */
@media (max-width:359px) {
  :root {
    --type-size-en: 1rem;
    --type-size-hi: 1.1rem;
  }
  .metrics-strip { grid-template-columns:1fr 1fr; }
  .metric-card:nth-child(3),
  .metric-card:nth-child(4) { display:none; } /* show only WPM+ACC on tiny screens */
  .result-scores { grid-template-columns:1fr; }
}

/* ── 480px ── */
@media (max-width:480px) {
  :root {
    --type-size-en: 1.05rem;
    --type-size-hi: 1.15rem;
  }
  .metrics-strip { grid-template-columns:repeat(4,1fr); }
  .metric-val { font-size:1.2rem; }
  .metric-lbl { font-size:0.58rem; }

  .controls-bar { gap:7px; }
  .ctrl-btn { padding:9px 12px; font-size:0.78rem; }
  .ctrl-group-label { padding:0 9px; font-size:0.63rem; }

  .page-header { flex-direction:column; gap:10px; }
  .best-score-pill { width:100%; justify-content:center; }

  .result-card { padding:22px 18px; border-radius:var(--r-lg); }
  .score-val { font-size:1.6rem; }

  .input-bar { display:flex; }
}

/* ── 768px ── */
@media (max-width:768px) {
  .keyboard-hint { display:none; }
  .timer-ring-wrap { display:none; }

  /* Compact metrics on mobile */
  .metric-card { padding:10px 8px; }
  .metric-icon { display:none; }
}

/* ── 1024px+ ── */
@media (min-width:1024px) {
  :root { --max-w:920px; }
  .source-text-wrap { min-height:160px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after {
    animation-duration:0.01ms !important;
    transition-duration:0.01ms !important;
  }
  .char.cursor::before { animation:none; opacity:1; }
  html { scroll-behavior:auto; }
}

/* ── Print ── */
@media print {
  .nav,.controls-bar,.action-row,.result-overlay,.toast { display:none; }
  body { background:#fff; color:#000; }
}