:root {
  --bg:      #050a0e;
  --bg2:     #0a1520;
  --card:    #0d1f2d;
  --card2:   #112233;
  --accent:  #00d4ff;
  --accent2: #00ff9d;
  --muted:   #6a8fa8;
  --text:    #e8f4f8;
  --border:  rgba(0,212,255,0.15);
  --glow:    rgba(0,212,255,0.08);
  --red:     #ff4d6d;
  --yellow:  #ffd166;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* ── GRID BACKGROUND ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(0,212,255,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 90%, rgba(0,255,157,0.05) 0%, transparent 60%),
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: auto, auto, 60px 60px, 60px 60px;
  pointer-events: none; z-index: 0;
}
body > * { position: relative; z-index: 1; }

/* ── BLOB ── */
.blob {
  position: fixed;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%,-50%);
  transition: left .15s ease, top .15s ease;
  z-index: 0;
}

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
  background: rgba(5,10,14,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 18px; font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
  transition: opacity .2s;
}
.nav-logo:hover { opacity: .75; }
.nav-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: .5px;
  transition: color .2s;
}
.nav-back:hover { color: var(--accent); }
.nav-back svg { transition: transform .2s; }
.nav-back:hover svg { transform: translateX(-3px); }
.nav-tag {
  font-family: 'Space Mono', monospace;
  font-size: 11px; letter-spacing: 2px;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 12px; border-radius: 100px;
}

/* ── MAIN ── */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 48px 24px 60px;
  gap: 32px;
  max-width: 860px;
  margin: 0 auto;
  width: 100%;
}

/* ── HEADER ── */
.game-header { text-align: center; }
.game-eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 11px; letter-spacing: 3px;
  color: var(--accent2); text-transform: uppercase;
  margin-bottom: 10px;
}
.game-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800; letter-spacing: -1.5px;
  color: #fff; line-height: 1.05;
}
.game-title span {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.game-sub {
  font-size: 14px; color: var(--muted);
  margin-top: 10px; line-height: 1.6;
}

/* ── STATS BAR ── */
.stats-bar {
  display: flex; gap: 16px;
  width: 100%; flex-wrap: wrap;
}
.stat-card {
  flex: 1; min-width: 100px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  text-align: center;
  transition: border-color .3s;
}
.stat-card.highlight { border-color: rgba(0,212,255,.4); }
.stat-value {
  font-family: 'Space Mono', monospace;
  font-size: 28px; font-weight: 700;
  color: var(--accent); line-height: 1;
}
.stat-value.green { color: var(--accent2); }
.stat-value.red   { color: var(--red); }
.stat-value.yellow{ color: var(--yellow); }
.stat-label {
  font-size: 11px; letter-spacing: 2px;
  color: var(--muted); margin-top: 6px;
  text-transform: uppercase;
}

/* ── TIMER RING ── */
.timer-wrap {
  position: relative;
  width: 80px; height: 80px;
  flex-shrink: 0;
}
.timer-ring { transform: rotate(-90deg); width: 100%; height: 100%; display: block; }
.timer-ring-bg { fill: none; stroke: rgba(0,212,255,.1); stroke-width: 5; }
.timer-ring-prog {
  fill: none; stroke: var(--accent); stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 220;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset .95s linear, stroke .3s;
}
.timer-num {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Mono', monospace;
  font-size: 22px; font-weight: 700;
  color: var(--accent);
}

/* ── MODE SELECTOR ── */
.mode-bar {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
}
.mode-btn {
  font-family: 'Space Mono', monospace;
  font-size: 11px; letter-spacing: 2px;
  padding: 8px 18px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  border-radius: 100px;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
  text-transform: uppercase;
}
.mode-btn:hover  { border-color: var(--accent); color: var(--text); }
.mode-btn.active { border-color: var(--accent); color: var(--accent); background: var(--glow); }

/* ── WORD DISPLAY (uma palavra por vez) ── */
.word-display-wrap {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 32px;
  min-height: 160px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.word-display-wrap::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 16px 16px 0 0;
}

.word-single {
  font-family: 'Space Mono', monospace;
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 700;
  letter-spacing: 2px;
  display: flex;
  animation: wordPop .25s ease both;
}
@keyframes wordPop {
  from { opacity: 0; transform: translateY(14px) scale(.96); }
  to   { opacity: 1; transform: none; }
}

/* letras coloridas conforme digita */
.letter          { color: var(--muted); transition: color .08s; }
.letter.ok       { color: var(--accent2); }
.letter.bad      { color: var(--red); text-decoration: underline; }
.letter.next     { color: #fff; position: relative; }
.letter.next::before {
  content: '';
  position: absolute; left: -2px; top: 8%;
  width: 2px; height: 84%;
  background: var(--accent);
  animation: blink .8s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* próxima palavra (dica pequena embaixo) */
.word-next-hint {
  position: absolute;
  bottom: 12px; left: 0; right: 0;
  text-align: center;
  font-family: 'Space Mono', monospace;
  font-size: 12px; letter-spacing: 2px;
  color: var(--muted);
  opacity: .55;
}
.word-next-hint span { color: var(--accent); opacity: .8; }

/* ── INPUT ── */
.input-row {
  display: flex; gap: 12px; width: 100%; align-items: center;
}
.typing-input {
  flex: 1;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  font-family: 'Space Mono', monospace;
  font-size: 16px; letter-spacing: 1px;
  color: var(--text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  caret-color: var(--accent);
}
.typing-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,212,255,.08); }
.typing-input.correct { border-color: rgba(0,255,157,.5); }
.typing-input.wrong   { border-color: rgba(255,77,109,.5); box-shadow: 0 0 0 3px rgba(255,77,109,.08); }
.typing-input:disabled { opacity: .4; cursor: not-allowed; }

.restart-btn {
  width: 50px; height: 50px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s, color .2s, transform .2s;
  flex-shrink: 0;
}
.restart-btn:hover { border-color: var(--accent); color: var(--accent); transform: rotate(180deg); }

/* ── START OVERLAY ── */
.overlay {
  position: absolute; inset: 0;
  background: rgba(5,10,14,.92);
  border-radius: 16px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px; z-index: 10;
  padding: 14px;
  backdrop-filter: blur(4px);
}
.overlay-icon { font-size: 26px; line-height: 1; }
.overlay-title {
  font-family: 'Syne', sans-serif;
  font-size: 17px; font-weight: 800;
  color: #fff; text-align: center;
}
.overlay-sub { font-size: 11px; color: var(--muted); text-align: center; line-height: 1.45; }
.overlay-btn {
  margin-top: 4px;
  padding: 9px 26px;
  background: var(--accent); color: #050a0e;
  font-weight: 700; font-size: 13px;
  border: none; border-radius: 8px;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  font-family: 'DM Sans', sans-serif;
}
.overlay-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,212,255,.35); }

/* ── RESULTS PANEL ── */
.results-panel {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  display: none;
  flex-direction: column; gap: 24px;
  animation: fadeUp .5s ease both;
}
.results-panel.show { display: flex; }
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px,1fr));
  gap: 14px;
}
.result-card {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  text-align: center;
}
.result-val {
  font-family: 'Space Mono', monospace;
  font-size: 32px; font-weight: 700;
  color: var(--accent); line-height: 1;
}
.result-val.green  { color: var(--accent2); }
.result-val.red    { color: var(--red); }
.result-val.yellow { color: var(--yellow); }
.result-label { font-size: 11px; letter-spacing: 2px; color: var(--muted); margin-top: 6px; text-transform: uppercase; }
.result-title {
  font-family: 'Syne', sans-serif;
  font-size: 22px; font-weight: 800;
  color: #fff;
}
.result-msg { font-size: 14px; color: var(--muted); line-height: 1.6; }
.result-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px;
  background: var(--accent); color: #050a0e;
  font-weight: 700; font-size: 14px;
  border: none; border-radius: 8px; cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  font-family: 'DM Sans', sans-serif;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,212,255,.3); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px;
  background: none; color: var(--text);
  font-size: 14px; font-weight: 500;
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
  transition: border-color .2s, background .2s;
  font-family: 'DM Sans', sans-serif;
}
.btn-secondary:hover { border-color: var(--accent); background: var(--glow); }

/* ── WORD CATEGORIES ── */
.category-info {
  font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: 2px;
  color: var(--muted); text-transform: uppercase;
  text-align: center;
}
.category-info span { color: var(--accent); }

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 28px 40px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

@keyframes fadeUp {
  from { opacity:0; transform: translateY(20px); }
  to   { opacity:1; transform: none; }
}

/* ── PROGRESS BAR ── */
.progress-wrap {
  width: 100%;
  height: 4px;
  background: rgba(0,212,255,.1);
  border-radius: 100px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 100px;
  transition: width .3s ease;
  width: 0%;
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  nav { padding: 10px 16px; }
  .nav-tag { display: none; }

  main { padding: 20px 14px 36px; gap: 16px; }

  .game-title { font-size: 28px; }
  .game-sub { font-size: 12px; margin-top: 6px; }

  .mode-bar { gap: 6px; }
  .mode-btn { padding: 6px 12px; font-size: 10px; }

  /* stats compactas em linha */
  .stats-bar { gap: 6px; }
  .stat-card { min-width: 62px; padding: 8px 6px; border-radius: 10px; }
  .stat-value { font-size: 17px; }
  .stat-label { font-size: 8px; letter-spacing: 1px; margin-top: 4px; }
  .timer-wrap { width: 52px; height: 52px; }
  .timer-num { font-size: 14px; }

  .word-display-wrap { padding: 16px; min-height: 120px; border-radius: 12px; }
  .word-single { font-size: 28px; letter-spacing: 1px; }
  .word-next-hint { font-size: 10px; bottom: 8px; }

  .overlay-icon { font-size: 22px; }
  .overlay-title { font-size: 15px; }
  .overlay-sub br { display: none; }

  .category-info { font-size: 9px; }

  .typing-input { font-size: 14px; padding: 12px 14px; }
  .restart-btn { width: 44px; height: 44px; }

  .results-panel { padding: 20px; gap: 16px; }
  .results-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .result-val { font-size: 24px; }

  footer { padding: 18px 16px; font-size: 11px; }
}

/* ── RANKING PESSOAL ── */
.ranking-panel {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
}
.ranking-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.ranking-title {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
}
.ranking-clear {
  background: none;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.ranking-clear:hover { color: var(--red); border-color: var(--red); }

.ranking-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.ranking-row {
  display: grid;
  grid-template-columns: 34px 1fr auto auto auto;
  gap: 12px;
  align-items: center;
  padding: 9px 14px;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid transparent;
  border-radius: 10px;
  font-family: 'Space Mono', monospace;
  font-size: 13px;
}
.ranking-row.novo {
  border-color: var(--accent2);
  background: rgba(0, 255, 157, 0.07);
  animation: rankPop .4s ease;
}
@keyframes rankPop { from { transform: scale(.97); opacity: .4; } to { transform: none; opacity: 1; } }

.ranking-pos { color: var(--muted); font-weight: 700; }
.ranking-row:nth-child(1) .ranking-pos { color: #ffd166; }
.ranking-row:nth-child(2) .ranking-pos { color: #c9dbe6; }
.ranking-row:nth-child(3) .ranking-pos { color: #cd8f52; }
.ranking-wpm { color: var(--accent); font-weight: 700; }
.ranking-acc { color: var(--accent2); }
.ranking-modo { color: var(--muted); font-size: 11px; }
.ranking-data { color: var(--muted); font-size: 11px; }

.ranking-empty {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  padding: 10px 0 4px;
}

@media (max-width: 600px) {
  .ranking-panel { padding: 14px 12px; }
  .ranking-row { grid-template-columns: 26px 1fr auto auto; gap: 8px; font-size: 12px; padding: 8px 10px; }
  .ranking-data { display: none; }
}

/* ── BOTÃO DE SOM ── */
.som-btn {
  margin-left: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.som-btn:hover { color: var(--accent); border-color: var(--accent); }