/* ============================================
   CSS Variables – Dark & Light Mode
   ============================================ */
:root {
  --bg: #0f0f13;
  --bg2: #13131a;
  --surface: #1a1a24;
  --surface2: #22222e;
  --border: #2e2e3e;
  --accent: #7c6af5;
  --accent2: #a78bfa;
  --accent-glow: rgba(124,106,245,0.3);
  --green: #4ade80;
  --red: #f87171;
  --yellow: #fbbf24;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --correct: #4ade80;
  --incorrect: #f87171;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --nav-h: 64px;
  --transition: 0.25s ease;
}

/* Light Mode Overrides */
[data-theme="light"] {
  --bg: #f1f5f9;
  --bg2: #e8edf5;
  --surface: #ffffff;
  --surface2: #f8fafc;
  --border: #e2e8f0;
  --accent: #6d56f0;
  --accent2: #8b5cf6;
  --accent-glow: rgba(109,86,240,0.2);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --correct: #16a34a;
  --incorrect: #dc2626;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.12);
}

/* ============================================
   Reset
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

a { cursor: pointer; text-decoration: none; color: inherit; }

/* ============================================
   Background Blobs
   ============================================ */
.bg-blob {
  position: fixed; border-radius: 50%;
  filter: blur(90px); opacity: 0.1;
  pointer-events: none; z-index: 0;
  animation: blobFloat 9s ease-in-out infinite;
  transition: opacity var(--transition);
}
[data-theme="light"] .bg-blob { opacity: 0.06; }
.blob1 { width:520px;height:520px;background:radial-gradient(circle,#7c6af5,#a78bfa);top:-120px;left:-120px; }
.blob2 { width:420px;height:420px;background:radial-gradient(circle,#06b6d4,#3b82f6);bottom:-100px;right:-100px;animation-delay:3s; }
.blob3 { width:320px;height:320px;background:radial-gradient(circle,#f472b6,#ec4899);top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:6s; }
@keyframes blobFloat {
  0%,100% { transform:translate(0,0) scale(1); }
  33%      { transform:translate(20px,-20px) scale(1.05); }
  66%      { transform:translate(-15px,15px) scale(0.95); }
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--nav-h);
  background: rgba(15,15,19,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}
[data-theme="light"] .navbar {
  background: rgba(255,255,255,0.88);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  height: 100%; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.55rem;
  text-decoration: none;
}
.logo-icon  { font-size: 1.6rem; }
.logo-text  { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.4px; }
.logo-accent { color: var(--accent2); }

/* Desktop nav links */
.nav-links {
  display: flex; list-style: none; gap: 0.25rem;
}
.nav-link {
  padding: 0.45rem 1rem; border-radius: 50px;
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary); cursor: pointer;
  transition: all var(--transition);
}
.nav-link:hover { color: var(--text-primary); background: var(--surface); }
.nav-link.active { color: var(--accent2); background: rgba(124,106,245,0.12); }

/* Nav controls */
.nav-controls { display: flex; align-items: center; gap: 0.5rem; }

.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  cursor: pointer; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--accent); transform: scale(1.1); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 38px; height: 38px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; padding: 8px;
  transition: all var(--transition);
}
.hamburger span {
  display: block; height: 2px; border-radius: 2px;
  background: var(--text-secondary);
  transition: all 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none; flex-direction: column;
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 0.75rem 1rem;
}
.mobile-menu.open { display: flex; }
.mobile-link {
  padding: 0.75rem 1rem; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-secondary); cursor: pointer;
  transition: all var(--transition);
}
.mobile-link:hover, .mobile-link.active {
  color: var(--accent2); background: rgba(124,106,245,0.1);
}

/* ============================================
   Page System
   ============================================ */
.page { display: none; min-height: calc(100vh - var(--nav-h) - 70px); padding-top: var(--nav-h); }
.page.active { display: block; }

/* ============================================
   HOME PAGE – Hero
   ============================================ */
.hero {
  max-width: 1100px; margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: center;
}
.hero-badge {
  display: inline-block; padding: 0.4rem 1rem;
  background: rgba(124,106,245,0.15); border: 1px solid rgba(124,106,245,0.35);
  border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  color: var(--accent2); margin-bottom: 1.25rem; letter-spacing: 0.05em;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 1.25rem; letter-spacing: -1px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2), #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7;
  margin-bottom: 2rem; max-width: 480px;
}
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }

.hero-stats {
  display: flex; align-items: center; gap: 1.5rem;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-value { display: block; font-size: 1.6rem; font-weight: 800; color: var(--text-primary); }
.hero-stat-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.hero-stat-divider { width: 1px; height: 36px; background: var(--border); }

/* Hero visual mock card */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.mock-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; padding: 1.75rem; width: 100%; max-width: 340px;
  box-shadow: var(--shadow-lg);
}
.mock-stats { display: flex; gap: 1rem; margin-bottom: 1.25rem; }
.mock-stat { flex: 1; text-align: center; }
.mock-val { display: block; font-size: 1.5rem; font-weight: 700; color: var(--accent2); }
.mock-lbl { font-size: 0.68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.mock-text {
  font-family: 'Fira Code', monospace; font-size: 0.95rem;
  line-height: 1.8; margin-bottom: 1rem;
}
.m-correct { color: var(--correct); }
.m-current {
  color: var(--text-primary); background: rgba(124,106,245,0.25);
  border-radius: 3px; padding: 0 2px;
}
.m-pending { color: var(--text-muted); }
.mock-bar { height: 6px; background: var(--surface2); border-radius: 50px; overflow: hidden; border: 1px solid var(--border); }
.mock-fill {
  height: 100%; width: 55%; border-radius: 50px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
  max-width: 1100px; margin: 0 auto;
  padding: 4rem 1.5rem;
}
.section-title {
  text-align: center; font-size: clamp(1.6rem,3vw,2.2rem);
  font-weight: 800; margin-bottom: 0.6rem; letter-spacing: -0.5px;
}
.section-subtitle {
  text-align: center; color: var(--text-secondary);
  font-size: 1rem; margin-bottom: 3rem;
}
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--accent); transform: translateY(-4px);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.feature-icon { font-size: 2rem; margin-bottom: 0.75rem; display: block; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  max-width: 1100px; margin: 0 auto;
  padding: 3rem 1.5rem 5rem; text-align: center;
}
.cta-section h2 { font-size: clamp(1.5rem,3vw,2rem); font-weight: 800; margin-bottom: 0.6rem; }
.cta-section p  { color: var(--text-secondary); margin-bottom: 1.75rem; }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: none; border-radius: 50px;
  font-family: 'Inter', sans-serif; font-size: 0.9rem; font-weight: 600;
  padding: 0.65rem 1.6rem; cursor: pointer;
  transition: all var(--transition); text-decoration: none;
}
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent2); transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--surface); color: var(--text-primary);
  border-color: var(--accent); transform: translateY(-2px);
}
.btn-back {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  font-size: 0.82rem;
}
.btn-back:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  background: rgba(124,106,245,0.08);
  transform: translateY(-1px);
}

/* ============================================
   TEST PAGE
   ============================================ */
.test-page-inner {
  max-width: 860px; margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}
.test-header {
  margin-bottom: 1.5rem;
}
.test-header-row {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 0.9rem;
}

/* ── Difficulty Row ── */
.difficulty-row {
  display: flex; align-items: center; gap: 0.85rem;
  flex-wrap: wrap;
  padding: 0.65rem 1rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 50px;
}
.diff-label {
  font-size: 0.78rem; font-weight: 600;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.07em;
  white-space: nowrap;
}
.diff-tabs { display: flex; gap: 0.3rem; }
.diff-tab {
  display: flex; align-items: center; gap: 0.4rem;
  background: transparent; border: 1px solid transparent;
  color: var(--text-secondary); font-family: 'Inter', sans-serif;
  font-size: 0.82rem; font-weight: 600;
  padding: 0.35rem 0.9rem; border-radius: 50px;
  cursor: pointer; transition: all var(--transition);
}
.diff-tab:hover { background: var(--surface2); color: var(--text-primary); }
.diff-tab.active { border-color: var(--border); background: var(--surface2); color: var(--text-primary); }
.diff-tab[data-diff="easy"].active   { border-color: #34d399; color: #34d399; background: rgba(52,211,153,0.1); }
.diff-tab[data-diff="medium"].active { border-color: #fbbf24; color: #fbbf24; background: rgba(251,191,36,0.1); }
.diff-tab[data-diff="hard"].active   { border-color: #f87171; color: #f87171; background: rgba(248,113,113,0.1); }
.diff-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.easy-dot   { background: #34d399; }
.medium-dot { background: #fbbf24; }
.hard-dot   { background: #f87171; }
.diff-desc {
  font-size: 0.75rem; color: var(--text-muted);
  font-style: italic; margin-left: auto;
}
.time-tabs {
  display: flex; gap: 0.4rem;
  background: var(--surface); padding: 4px;
  border-radius: 50px; border: 1px solid var(--border);
}
.time-tab {
  background: transparent; border: none;
  color: var(--text-secondary); font-family: 'Inter', sans-serif;
  font-size: 0.85rem; font-weight: 500;
  padding: 0.45rem 1.1rem; border-radius: 50px;
  cursor: pointer; transition: all var(--transition);
}
.time-tab:hover { color: var(--text-primary); background: var(--surface2); }
.time-tab.active {
  background: var(--accent); color: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
}
.test-hint { font-size: 0.8rem; color: var(--text-muted); }
.test-hint kbd {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 6px; font-size: 0.75rem;
}

/* Stats Bar */
.stats-bar {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 1rem; margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem 1rem; text-align: center;
  transition: all 0.3s ease; position: relative; overflow: hidden;
}
.stat-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg,var(--accent),var(--accent2));
  opacity:0; transition:opacity 0.3s;
}
.stat-card:hover::before, .stat-card.timer-highlight::before { opacity:1; }
.stat-card.timer-highlight { border-color:var(--accent); box-shadow:0 0 20px rgba(124,106,245,0.15); }
.stat-value {
  display:block; font-size:2rem; font-weight:700; color:var(--text-primary);
  line-height:1; margin-bottom:0.3rem; transition:color 0.3s;
}
.stat-label {
  font-size:0.72rem; font-weight:500; color:var(--text-muted);
  text-transform:uppercase; letter-spacing:0.08em;
}
.stat-card.pulse .stat-value { animation: statPulse 0.3s ease; }
@keyframes statPulse {
  0%   { transform:scale(1); }
  50%  { transform:scale(1.15); color:var(--accent2); }
  100% { transform:scale(1); }
}
.timer-warning { color:var(--yellow) !important; }
.timer-danger  { color:var(--red) !important; }

/* Test Area */
.test-area {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:2rem; margin-bottom:1rem;
  box-shadow:var(--shadow); transition:border-color 0.3s, box-shadow 0.3s;
}
.test-area:focus-within {
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(124,106,245,0.15), var(--shadow);
}
.text-display {
  font-family: 'Fira Code', 'Consolas', 'Courier New', monospace; font-size:1.15rem; line-height:2.1;
  color:var(--text-muted); margin-bottom:1.5rem; user-select:none; min-height:100px;
}
.text-display .word { display:inline-block; margin-right:0.35em; position:relative; }
.text-display .letter { position:relative; transition:color 0.08s; }
.text-display .letter.correct { color:var(--correct); }
.text-display .letter.incorrect {
  color:var(--incorrect); text-decoration:underline wavy var(--incorrect);
}
.text-display .letter.current { color:var(--text-primary); }
.text-display .letter.current::after {
  content:''; position:absolute; bottom:-2px; left:0; width:100%; height:2px;
  background:var(--accent); border-radius:2px;
  animation:cursorBlink 0.8s ease-in-out infinite;
}
@keyframes cursorBlink { 0%,100%{opacity:1} 50%{opacity:0} }

/* Input */
.typing-input {
  width:100%; background:var(--surface2); border:1px solid var(--border);
  border-radius:var(--radius-sm); color:var(--text-primary);
  font-family:'Fira Code', 'Consolas', 'Courier New', monospace; font-size:1rem; padding:0.85rem 1.1rem;
  outline:none; transition:border-color 0.2s,box-shadow 0.2s; caret-color:var(--accent);
}
.typing-input::placeholder { color:var(--text-muted); }
.typing-input:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(124,106,245,0.12); }
.typing-input.error {
  border-color:var(--red); box-shadow:0 0 0 3px rgba(248,113,113,0.12);
  animation:shake 0.3s ease;
}
@keyframes shake {
  0%,100%{transform:translateX(0)} 20%{transform:translateX(-6px)}
  40%{transform:translateX(6px)}  60%{transform:translateX(-4px)} 80%{transform:translateX(4px)}
}

/* Progress */
.progress-wrap { position:relative; margin-bottom:1rem; padding-bottom:1.25rem; }
.progress-container {
  background:var(--surface); border:1px solid var(--border);
  border-radius:50px; height:8px; overflow:hidden;
}
.progress-bar {
  height:100%; width:0%; border-radius:50px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  transition:width 0.3s ease; box-shadow:0 0 8px var(--accent-glow);
}
.progress-label {
  position:absolute; right:0; bottom:0;
  font-size:0.72rem; color:var(--text-muted);
}

/* Controls */
.controls {
  display:flex; gap:0.75rem; justify-content:center; margin-bottom:2rem;
}

/* History */
.history-section { margin-top:0.5rem; }
.history-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:1rem; }
.history-title { font-size:1rem; font-weight:600; color:var(--text-secondary); }
.btn-clear {
  background:none; border:1px solid var(--border); color:var(--text-muted);
  font-size:0.75rem; padding:0.25rem 0.75rem; border-radius:50px;
  cursor:pointer; font-family:'Inter',sans-serif; transition:all 0.2s;
}
.btn-clear:hover { color:var(--red); border-color:var(--red); }
.history-list { display:flex; flex-direction:column; gap:0.5rem; }
.history-empty {
  text-align:center; color:var(--text-muted); font-size:0.875rem; padding:1.5rem;
  background:var(--surface); border:1px dashed var(--border); border-radius:var(--radius);
}
.history-item {
  display:flex; align-items:center; justify-content:space-between;
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:0.85rem 1.2rem;
  animation:slideIn 0.3s ease; flex-wrap:wrap; gap:0.5rem;
}
@keyframes slideIn { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:translateY(0)} }
.history-item:hover { border-color:var(--accent); }
.history-meta { display:flex; align-items:center; gap:0.5rem; }
.history-num { font-size:0.75rem; color:var(--text-muted); font-weight:500; min-width:20px; }
.history-wpm { font-size:1rem; font-weight:700; color:var(--accent2); }
.history-stats { display:flex; align-items:center; gap:1rem; flex-wrap:wrap; }
.history-stat { font-size:0.82rem; color:var(--text-secondary); }
.history-stat strong { color:var(--text-primary); font-weight:600; }
.history-time { font-size:0.72rem; color:var(--text-muted); }

/* ============================================
   WPM CHART
   ============================================ */
.chart-section {
  margin: 1rem 0 0.5rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 0.9rem 0.7rem;
}
.chart-title-row {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 0.75rem;
}
.chart-heading { font-size: 0.82rem; font-weight: 700; color: var(--text-primary); }
.chart-sub     { font-size: 0.68rem; color: var(--text-muted); }

/* chart-area: positioning parent for everything */
.chart-area {
  position: relative;
  height: 200px;
  margin-bottom: 4px;
}

/* chart-bars fills the area minus right (y-nums) */
.chart-bars {
  position: absolute;
  top: 0; left: 0; right: 36px; bottom: 0;
}

/* Dashed zone separator lines */
.cz-line {
  position: absolute; left: 0; right: 0; height: 0;
  border-top: 1.5px dashed;
  opacity: 0.35; pointer-events: none; z-index: 2;
}
[data-theme="light"] .cz-line { opacity: 0.55; }

/* Zone text labels (Slow / Average / Fast / Expert) on left */
.cz-zlabel {
  position: absolute;
  left: 6px;
  display: flex; align-items: center;
  font-size: 0.65rem; font-weight: 700;
  pointer-events: none; z-index: 3;
  opacity: 0.85; letter-spacing: 0.02em;
}

/* Y-axis numbers on right */
.cz-ynum {
  position: absolute;
  right: -34px;
  transform: translateY(50%);
  font-size: 0.6rem; color: var(--text-muted);
  pointer-events: none; z-index: 3; line-height: 1;
}

/* Bar columns row */
.cz-row {
  position: absolute; inset: 0;
  display: flex; align-items: stretch; gap: 6px;
  z-index: 1;
}

/* Each bar column */
.cz-bar-wrap {
  display: flex; flex-direction: column;
  align-items: center; gap: 3px;
  flex: 1; min-width: 0; height: 100%;
}

/* WPM number on top */
.cz-val {
  font-size: 0.68rem; font-weight: 700;
  color: var(--text-secondary); line-height: 1;
  text-align: center; flex-shrink: 0; min-height: 13px;
}
.cz-val-now { color: #34d399; font-weight: 800; font-size: 0.72rem; }

/* Full-height column: unfilled top + filled bottom */
.cz-col {
  width: 100%; flex: 1;
  display: flex; flex-direction: column;
  border-radius: 7px; overflow: hidden; min-height: 0;
}
.cz-col-now {
  outline: 2px solid #34d399;
  box-shadow: 0 0 14px rgba(52,211,153,0.4);
  border-radius: 7px;
}
.cz-top     { background: rgba(248,113,113,0.2); min-height: 0; }
.cz-bot     { background: linear-gradient(180deg,#6ee7b7,#10b981); min-height: 3px; flex-shrink: 0; border-radius: 0 0 6px 6px; }
.cz-bot-now { background: linear-gradient(180deg,#34d399,#059669) !important; }
.cz-ref-top { background: transparent; min-height: 0; }
.cz-ref-bot { background: linear-gradient(180deg,#94a3b8,#64748b); min-height: 3px; flex-shrink: 0; border-radius: 0 0 6px 6px; }

/* Label below bar */
.cz-lbl {
  font-size: 0.59rem; color: var(--text-muted);
  text-align: center; line-height: 1; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
  max-width: 100%; flex-shrink: 0; min-height: 14px;
}
.cz-lbl-now { color: #34d399; font-weight: 600; }

/* Legend */
.chart-legend {
  display: flex; flex-wrap: wrap; gap: 0.4rem 0.85rem;
  margin-top: 0.5rem; padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}
.legend-item {
  display: flex; align-items: center; gap: 0.3rem;
  font-size: 0.66rem; color: var(--text-muted);
}
.legend-dot { width: 7px; height: 7px; border-radius: 2px; flex-shrink: 0; }

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,0.72); backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  z-index:100; opacity:0; pointer-events:none;
  transition:opacity 0.35s ease; padding:1rem;
}
.modal-overlay.active { opacity:1; pointer-events:all; }
.modal {
  background:var(--surface); border:1px solid var(--border);
  border-radius:20px; padding:1.75rem 1.75rem 1.5rem; width:100%; max-width:580px;
  box-shadow:var(--shadow-lg);
  transform:scale(0.88) translateY(18px);
  transition:transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;
}
.modal-overlay.active .modal { transform:scale(1) translateY(0); }
.modal-header { text-align:center; margin-bottom:2rem; }
.trophy { font-size:3rem; margin-bottom:0.5rem; animation:trophyBounce 0.6s ease 0.3s both; }
@keyframes trophyBounce {
  0%{transform:scale(0) rotate(-15deg)} 60%{transform:scale(1.2) rotate(5deg)} 100%{transform:scale(1) rotate(0)}
}
.modal-title { font-size:1.6rem; font-weight:700; color:var(--text-primary); }
.results-grid { display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-bottom:1.5rem; }
.result-item {
  background:var(--surface2); border:1px solid var(--border);
  border-radius:var(--radius); padding:1.2rem; text-align:center;
}
.result-item.highlight {
  border-color:var(--accent); background:rgba(124,106,245,0.08);
  box-shadow:0 0 20px rgba(124,106,245,0.1);
}
.result-value {
  display:block; font-size:2rem; font-weight:700;
  color:var(--text-primary); line-height:1; margin-bottom:0.3rem;
}
.result-item.highlight .result-value { color:var(--accent2); }
.result-label { font-size:0.72rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.08em; }
.rating-section { text-align:center; padding:1rem; }
.rating-badge {
  display:inline-block; padding:0.5rem 1.5rem; border-radius:50px;
  font-weight:700; font-size:0.9rem; margin-bottom:0.6rem;
  letter-spacing:0.05em; text-transform:uppercase;
}
.rating-badge.beginner     { background:rgba(100,116,139,0.2); color:#94a3b8; border:1px solid #475569; }
.rating-badge.average      { background:rgba(59,130,246,0.15); color:#60a5fa; border:1px solid #3b82f6; }
.rating-badge.good         { background:rgba(34,197,94,0.15);  color:#4ade80; border:1px solid #22c55e; }
.rating-badge.fast         { background:rgba(251,191,36,0.15); color:#fbbf24; border:1px solid #f59e0b; }
.rating-badge.professional { background:rgba(124,106,245,0.2); color:var(--accent2); border:1px solid var(--accent); }
.rating-badge.expert       { background:linear-gradient(135deg,rgba(124,106,245,0.3),rgba(236,72,153,0.3)); color:#f0abfc; border:1px solid #c084fc; }
.rating-message { font-size:0.9rem; color:var(--text-secondary); }
.modal-footer {
  display: flex; gap: 0.6rem; justify-content: center;
  margin-top: 1.25rem; flex-wrap: wrap;
}
.modal-back-row {
  display: flex; justify-content: center;
  margin-top: 0.75rem;
}
.btn-back {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: transparent;
}
.btn-back:hover {
  color: var(--accent2);
  text-decoration-color: var(--accent2);
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.content-page {
  max-width:1100px; margin:0 auto;
  padding:3rem 1.5rem 5rem;
}
.content-page-narrow { max-width:740px; }
.page-hero {
  text-align:center; margin-bottom:3rem;
}
.page-hero h1 { font-size:clamp(1.8rem,4vw,2.8rem); font-weight:800; margin-bottom:0.6rem; letter-spacing:-0.5px; }
.page-hero p  { color:var(--text-secondary); font-size:1.05rem; }
.about-grid { display:grid; grid-template-columns:1fr 340px; gap:1.5rem; margin-bottom:2rem; }
.content-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:1.75rem; margin-bottom:1.25rem;
}
.content-card h2 { font-size:1.15rem; font-weight:700; margin-bottom:1rem; }
.content-card p  { color:var(--text-secondary); font-size:0.9rem; line-height:1.7; margin-bottom:0.75rem; }
.content-card p:last-child { margin-bottom:0; }

.steps { display:flex; flex-direction:column; gap:0.85rem; }
.step  { display:flex; align-items:flex-start; gap:1rem; }
.step-num {
  min-width:32px; height:32px; border-radius:50%;
  background:var(--accent); color:#fff; font-weight:700;
  font-size:0.85rem; display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.step-text { font-size:0.9rem; color:var(--text-secondary); line-height:1.5; padding-top:6px; }
.step-text strong { color:var(--text-primary); }

.ratings-table { display:flex; flex-direction:column; gap:0.65rem; }
.rating-row { display:flex; align-items:center; gap:0.85rem; font-size:0.875rem; color:var(--text-secondary); }
.rating-row .rating-badge { font-size:0.72rem; white-space:nowrap; }

.shortcuts { display:flex; flex-direction:column; gap:0.7rem; }
.shortcut { display:flex; align-items:center; gap:0.75rem; font-size:0.875rem; color:var(--text-secondary); }
.shortcut kbd {
  background:var(--surface2); border:1px solid var(--border);
  border-radius:6px; padding:3px 10px; font-size:0.8rem;
  color:var(--text-primary); white-space:nowrap;
}

.tips-list { list-style:none; display:flex; flex-direction:column; gap:0.55rem; }
.tips-list li { font-size:0.875rem; color:var(--text-secondary); padding-left:1.2rem; position:relative; }
.tips-list li::before { content:'→'; position:absolute; left:0; color:var(--accent2); }

.tech-tags { display:flex; flex-wrap:wrap; gap:0.5rem; }
.tech-tag {
  background:rgba(124,106,245,0.1); border:1px solid rgba(124,106,245,0.25);
  color:var(--accent2); border-radius:50px; padding:0.25rem 0.85rem;
  font-size:0.78rem; font-weight:600;
}
.about-cta { text-align:center; padding-top:1rem; }

/* ============================================
   PRIVACY PAGE
   ============================================ */
.privacy-cards { display:flex; flex-direction:column; gap:1.25rem; }
.privacy-highlight {
  display:flex; align-items:flex-start; gap:0.75rem;
  background:rgba(74,222,128,0.08); border:1px solid rgba(74,222,128,0.25);
  border-radius:var(--radius-sm); padding:0.85rem 1rem; margin-top:1rem;
  font-size:0.875rem; color:var(--text-secondary);
}
.privacy-highlight span { font-size:1.1rem; flex-shrink:0; }
.privacy-list { list-style:none; display:flex; flex-direction:column; gap:0.5rem; margin:0.75rem 0; }
.privacy-list li { font-size:0.875rem; color:var(--text-secondary); padding-left:1.4rem; position:relative; line-height:1.6; }
.privacy-list li::before { content:'•'; position:absolute; left:0.3rem; color:var(--accent2); }
.content-card code {
  background:var(--surface2); border:1px solid var(--border);
  border-radius:4px; padding:1px 6px; font-family:'Fira Code',monospace;
  font-size:0.85rem; color:var(--accent2);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
}
.faq-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 2rem;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: var(--accent); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  padding: 1rem 1.25rem;
  text-align: left;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.2s;
}
.faq-q:hover { background: var(--surface2); }
.faq-q[aria-expanded="true"] { color: var(--accent2); }
.faq-arrow {
  font-size: 1.1rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.faq-q[aria-expanded="true"] .faq-arrow {
  transform: rotate(180deg);
  color: var(--accent2);
}
.faq-a {
  padding: 0 1.25rem;
  border-top: 1px solid var(--border);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 1.25rem 1.1rem;
}
.faq-a p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 0.75rem;
}
.faq-a strong { color: var(--text-primary); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background:var(--surface); border-top:1px solid var(--border);
  padding:3rem 1.5rem 1.5rem; margin-top:auto;
  position:relative; z-index:1;
}
.footer-inner {
  max-width:1100px; margin:0 auto;
  display:flex; flex-direction:column; gap:2.5rem;
}
.footer-top {
  display:flex; gap:3rem; flex-wrap:wrap;
  justify-content:space-between;
}
.footer-brand { max-width:280px; }
.footer-logo {
  display:flex; align-items:center; gap:0.5rem;
  font-size:1.15rem; font-weight:700; color:var(--text-primary);
  margin-bottom:0.75rem;
}
.footer-tagline { font-size:0.82rem; color:var(--text-muted); line-height:1.6; }
.footer-nav {
  display:flex; gap:2.5rem; flex-wrap:wrap;
}
.footer-nav-col {
  display:flex; flex-direction:column; gap:0.5rem; min-width:120px;
}
.footer-nav-heading {
  font-size:0.72rem; font-weight:700; color:var(--text-secondary);
  text-transform:uppercase; letter-spacing:0.1em; margin-bottom:0.25rem;
}
.footer-nav-col a {
  font-size:0.85rem; color:var(--text-muted); cursor:pointer;
  transition:color var(--transition); text-decoration:none;
  display: block;
}
.footer-nav-col a:hover { color:var(--accent2); }
/* Keep old .footer-links working for JS event listeners */
.footer-links a {
  font-size:0.875rem; color:var(--text-muted); cursor:pointer;
  transition:color var(--transition);
}
.footer-links a:hover { color:var(--accent2); }
.footer-bottom {
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:0.75rem;
  padding-top:1.5rem; border-top:1px solid var(--border);
}
.footer-copy { font-size:0.78rem; color:var(--text-muted); }
.footer-bottom-links {
  display:flex; gap:1.25rem;
}
.footer-bottom-links a {
  font-size:0.78rem; color:var(--text-muted); cursor:pointer;
  text-decoration:none; transition:color var(--transition);
}
.footer-bottom-links a:hover { color:var(--accent2); }
@media (max-width:700px) {
  .footer-top { flex-direction:column; gap:2rem; }
  .footer-brand { max-width:100%; }
  .footer-nav { gap:1.5rem; }
  .footer-bottom { flex-direction:column; align-items:flex-start; }
}

/* ============================================
   VIRTUAL KEYBOARD
   ============================================ */
.vkb-wrap {
  margin: 0 0 2rem;
  user-select: none;
}
.vkb-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}
.vkb {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-shadow: var(--shadow);
}
.vkb-row {
  display: flex;
  gap: 4px;
  justify-content: center;
}
.vkb-key {
  min-width: 34px;
  height: 34px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-bottom: 3px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background 0.08s, transform 0.08s, border-color 0.08s, color 0.08s;
  cursor: default;
  flex-shrink: 0;
}
.vkb-key.vkb-wide   { min-width: 56px; }
.vkb-key.vkb-xwide  { min-width: 72px; }
.vkb-key.vkb-space  { min-width: 280px; font-size: 0.68rem; color: var(--text-muted); }

/* Active / pressed state */
.vkb-key.vkb-active {
  background: var(--accent);
  border-color: var(--accent2);
  border-bottom-color: var(--accent);
  color: #fff;
  transform: translateY(2px);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* Home row indicator dots */
.vkb-key[data-key="f"]::after,
.vkb-key[data-key="j"]::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent2);
  opacity: 0.6;
}
.vkb-key[data-key="f"],
.vkb-key[data-key="j"] {
  position: relative;
}

/* Hide keyboard on very small screens */
@media (max-width: 600px) {
  .vkb-key { min-width: 22px; height: 26px; font-size: 0.58rem; border-radius: 4px; }
  .vkb-key.vkb-wide  { min-width: 36px; }
  .vkb-key.vkb-xwide { min-width: 46px; }
  .vkb-key.vkb-space { min-width: 140px; }
  .vkb { padding: 0.5rem 0.4rem; gap: 3px; }
  .vkb-row { gap: 3px; }
}
@media (max-width: 400px) {
  .vkb-wrap { display: none; }
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--accent); }
::selection { background:var(--accent); color:#fff; }

/* ============================================
   RESPONSIVE – Mobile First
   ============================================ */
@media (max-width: 900px) {
  .hero { grid-template-columns:1fr; text-align:center; padding:4rem 1.5rem 2rem; }
  .hero-subtitle { max-width:100%; }
  .hero-actions { justify-content:center; }
  .hero-stats { justify-content:center; }
  .hero-visual { display:none; }
  .features-grid { grid-template-columns:repeat(2,1fr); }
  .about-grid { grid-template-columns:1fr; }
}

@media (max-width: 700px) {
  .nav-links { display:none; }
  .hamburger { display:flex; }
  .features-grid { grid-template-columns:1fr; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .stat-value { font-size:1.6rem; }
  .text-display { font-size:1rem; }
  .test-area { padding:1.25rem; }
  .results-grid { grid-template-columns:1fr 1fr; }
  .modal { padding:1.25rem; }
  .modal-footer { flex-direction:column; }
  .modal-footer .btn { width:100%; justify-content:center; }
  .modal-back-row { margin-top:0.5rem; }
  .about-sidebar .content-card { margin-bottom:0; }
  .rating-row { flex-wrap:wrap; gap:0.5rem; }
  .difficulty-row { border-radius: var(--radius); padding: 0.75rem; }
  .diff-desc { display: none; }
  .chart-wrap { height: 100px; }
  .chart-bar-label { font-size: 0.55rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size:2rem; }
  .hero-actions { flex-direction:column; }
  .hero-actions .btn { width:100%; justify-content:center; }
  .test-header { flex-direction:column; align-items:flex-start; }
  .controls { flex-direction:column; }
  .controls .btn { width:100%; justify-content:center; }
  .history-item { flex-direction:column; align-items:flex-start; }
  .time-tabs { width:100%; }
  .time-tab { flex:1; text-align:center; }
  .cta-section .btn { width:100%; justify-content:center; }
  .content-page { padding:2rem 1rem 4rem; }
  .page-hero h1 { font-size:1.8rem; }
}

@media (max-width: 360px) {
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:0.6rem; }
  .stat-value { font-size:1.4rem; }
}


/* ============================================
   SEO Guide Section
   ============================================ */
.seo-guide-section { padding-top: 0; }

.seo-guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 0;
}

/* SEO cards inherit feature-card styles; override h2 to match card heading size */
.seo-card h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  margin-top: 0.5rem;
}

.seo-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.6rem;
}

.seo-card p:last-child { margin-bottom: 0; }

.seo-card .tips-list { margin-top: 0.5rem; }

/* CTA card spans full width on larger screens */
.seo-card-cta {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.seo-cta-action { margin-top: 1.25rem; }

@media (max-width: 640px) {
  .seo-card-cta { align-items: stretch; }
  .seo-cta-action .btn { width: 100%; justify-content: center; }
}

/* ============================================
   Landing Page – Breadcrumb
   ============================================ */
.lp-breadcrumb { padding: calc(var(--nav-h) + 0.75rem) 1.5rem 0; }
.lp-breadcrumb-inner { max-width: 1100px; margin: 0 auto; }
.lp-breadcrumb ol {
  display: flex; align-items: center; gap: 0.4rem; list-style: none;
  font-size: 0.8rem; color: var(--text-muted);
}
.lp-breadcrumb a { color: var(--text-muted); text-decoration: none; transition: color var(--transition); }
.lp-breadcrumb a:hover { color: var(--accent2); }
.lp-breadcrumb [aria-current="page"] { color: var(--text-secondary); }

/* Landing Page – Hero wrapper (reuses .hero grid, just removes top padding offset) */
.lp-hero {
  max-width: 1100px; margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: center;
}
@media (max-width: 768px) {
  .lp-hero { grid-template-columns: 1fr; padding: 1.5rem 1.5rem 2.5rem; }
  .lp-hero .hero-visual { display: none; }
}