/* ═══════════════════════════════════════════════
   TYPEX — SYNTHWAVE TERMINAL THEME
   ═══════════════════════════════════════════════ */

@import url("https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&family=VT323&display=swap");

/* ── CSS Variables ── */
:root {
  --bg: #0a0a0f;
  --bg2: #0f0f1a;
  --bg3: #13131f;
  --surface: #16162a;
  --surface2: #1e1e35;
  --border: #2a2a4a;
  --border2: #3a3a6a;

  --neon: #00ffe5;
  --neon2: #ff00aa;
  --neon3: #ffe600;
  --neon4: #7b2fff;

  --text: #c8d0e8;
  --text-dim: #5a5a8a;
  --text-bright: #ffffff;

  --correct: #00ffe5;
  --wrong: #ff2255;
  --pending: #5a5a8a;
  --cursor-c: #ffe600;

  --font-mono: "Share Tech Mono", monospace;
  --font-title: "Orbitron", sans-serif;
  --font-vt: "VT323", monospace;

  --glow: 0 0 8px var(--neon), 0 0 20px rgba(0, 255, 229, 0.25);
  --glow2: 0 0 8px var(--neon2), 0 0 20px rgba(255, 0, 170, 0.25);
  --glow3: 0 0 8px var(--neon3), 0 0 20px rgba(255, 230, 0, 0.2);

  --radius: 4px;
  --radius2: 8px;
  --transition: 0.18s ease;
}

/* Light theme */
body.light {
  --bg: #f0f0f8;
  --bg2: #e8e8f5;
  --bg3: #dcdcef;
  --surface: #e0e0f0;
  --surface2: #d4d4e8;
  --border: #b0b0d0;
  --border2: #8888bb;
  --text: #2a2a4a;
  --text-dim: #7070a0;
  --text-bright: #0a0a2a;
  --pending: #9090b8;
  --glow: 0 0 6px rgba(0, 200, 180, 0.4);
  --glow2: 0 0 6px rgba(200, 0, 120, 0.4);
}

/* ── Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Scanlines ── */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.04) 2px,
    rgba(0, 0, 0, 0.04) 4px
  );
}
.noise {
  position: fixed;
  inset: 0;
  z-index: 9997;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

/* ── Particles canvas ── */
#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── App Wrapper ── */
.app-wrapper {
  position: relative;
  z-index: 10;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 80px;
  min-height: 100vh;
}

/* ═══════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════ */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  gap: 20px;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.logo-bracket {
  color: var(--neon2);
}
.logo-text {
  color: var(--text-bright);
}
.logo-x {
  color: var(--neon);
  text-shadow: var(--glow);
  display: inline-block;
  animation: pulse-x 2s ease-in-out infinite;
}
@keyframes pulse-x {
  0%,
  100% {
    text-shadow: var(--glow);
  }
  50% {
    text-shadow:
      0 0 16px var(--neon),
      0 0 40px rgba(0, 255, 229, 0.5);
  }
}

.nav-tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px;
  border-radius: var(--radius2);
}
.tab {
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 8px 20px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.tab:hover {
  color: var(--text);
  background: var(--surface2);
}
.tab.active {
  background: var(--neon);
  color: #000;
  border-color: var(--neon);
  box-shadow: var(--glow);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.theme-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition);
  background: var(--surface);
  color: var(--text-dim);
}
.theme-toggle:hover {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: var(--glow);
}

/* ═══════════════════════════════════════════════
   TAB CONTENT
   ═══════════════════════════════════════════════ */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}
.tab-content.active {
  display: block;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ═══════════════════════════════════════════════
   CONTROLS BAR
   ═══════════════════════════════════════════════ */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 40px;
  margin-bottom: 28px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
}
.control-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.control-label {
  font-family: var(--font-title);
  font-size: 0.58rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  white-space: nowrap;
}
.pill-group {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 20px;
  transition: all var(--transition);
  letter-spacing: 1px;
}
.pill:hover {
  border-color: var(--border2);
  color: var(--text);
}
.pill.active {
  background: transparent;
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: 0 0 6px rgba(0, 255, 229, 0.3);
}

/* ═══════════════════════════════════════════════
   LIVE STATS
   ═══════════════════════════════════════════════ */
.live-stats {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.stat-box {
  flex: 1;
  min-width: 80px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 14px 12px 10px;
  text-align: center;
  transition: all var(--transition);
}
.stat-box.highlight {
  border-color: var(--neon);
  background: rgba(0, 255, 229, 0.04);
}
.stat-val {
  font-family: var(--font-vt);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--text-bright);
  transition: all 0.2s;
}
.stat-box.highlight .stat-val {
  color: var(--neon);
  text-shadow: var(--glow);
}
.stat-val.timer-low {
  color: var(--wrong) !important;
  text-shadow: var(--glow2) !important;
  animation: beat 0.5s ease-in-out infinite;
}
@keyframes beat {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}
.stat-key {
  font-family: var(--font-title);
  font-size: 0.5rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ═══════════════════════════════════════════════
   ARENA
   ═══════════════════════════════════════════════ */
.arena {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 28px 32px 20px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  cursor: text;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}
.arena:focus-within {
  border-color: var(--neon);
  box-shadow:
    0 0 0 1px var(--neon),
    inset 0 0 40px rgba(0, 255, 229, 0.03);
}
.arena::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.arena:focus-within::before {
  opacity: 1;
}

.arena-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.arena-label {
  font-family: var(--font-title);
  font-size: 0.55rem;
  letter-spacing: 2px;
  color: var(--neon2);
}
.arena-hint {
  font-size: 0.7rem;
  color: var(--text-dim);
  animation: blink-fade 1.5s ease-in-out infinite;
}
@keyframes blink-fade {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

/* Words display */
.words-display {
  font-size: 1.35rem;
  line-height: 2.4;
  color: var(--pending);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  min-height: 6rem;
  word-break: break-word;
  user-select: none;
}
.words-display .char {
  display: inline;
  transition:
    color 0.06s,
    text-shadow 0.06s;
}
.words-display .char.correct {
  color: var(--correct);
}
.words-display .char.wrong {
  color: var(--wrong);
  text-decoration: underline;
  text-decoration-color: rgba(255, 34, 85, 0.5);
}
.words-display .char.current {
  color: var(--text-bright);
  text-shadow: var(--glow3);
  position: relative;
}
.words-display .char.current::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 2px;
  height: calc(100% + 4px);
  background: var(--cursor-c);
  box-shadow: var(--glow3);
  animation: cursor-blink 0.7s step-end infinite;
}
@keyframes cursor-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.words-display .word {
  display: inline;
}
.words-display .space {
  display: inline;
  color: var(--pending);
}
.words-display .space.correct {
  color: rgba(0, 255, 229, 0.3);
}
.words-display .space.wrong {
  background: rgba(255, 34, 85, 0.2);
  border-radius: 2px;
}

/* Input row */
.input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.prompt {
  color: var(--neon);
  font-size: 1.1rem;
  text-shadow: var(--glow);
  flex-shrink: 0;
}
.type-display {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  min-height: 1.4em;
  display: flex;
  align-items: center;
  gap: 1px;
  user-select: none;
}

/* Progress bar */
.progress-bar-wrap {
  height: 2px;
  background: var(--surface2);
  margin-top: 16px;
  border-radius: 1px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--neon4), var(--neon), var(--neon3));
  border-radius: 1px;
  transition: width 0.4s linear;
  box-shadow: 0 0 8px var(--neon);
}

/* ═══════════════════════════════════════════════
   ACTION ROW
   ═══════════════════════════════════════════════ */
.action-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.btn-primary {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  padding: 13px 36px;
  background: var(--neon);
  color: #000;
  border: 2px solid var(--neon);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow:
    var(--glow),
    inset 0 0 0 0 rgba(0, 0, 0, 0.1);
}
.btn-primary:hover {
  background: transparent;
  color: var(--neon);
  box-shadow:
    0 0 20px var(--neon),
    0 0 40px rgba(0, 255, 229, 0.3);
}
.btn-primary:active {
  transform: scale(0.97);
}

.btn-ghost {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  padding: 12px 28px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-ghost:hover {
  border-color: var(--border2);
  color: var(--text);
}
.btn-ghost:active {
  transform: scale(0.97);
}
.btn-ghost.small {
  padding: 7px 16px;
  font-size: 0.6rem;
}

/* ═══════════════════════════════════════════════
   RESULTS OVERLAY
   ═══════════════════════════════════════════════ */
.results-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(8, 8, 15, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  animation: fadeIn 0.3s ease;
}
.results-overlay.hidden {
  display: none;
}

.results-panel {
  background: var(--bg2);
  border: 1px solid var(--neon);
  box-shadow:
    var(--glow),
    0 40px 80px rgba(0, 0, 0, 0.6);
  border-radius: var(--radius2);
  padding: 40px 48px;
  width: 90%;
  max-width: 640px;
  animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}
.results-title {
  font-family: var(--font-title);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--neon2);
}
.results-grade {
  font-family: var(--font-vt);
  font-size: 5rem;
  line-height: 1;
  color: var(--neon3);
  text-shadow: var(--glow3);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.result-item {
  text-align: center;
  padding: 16px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.result-item.accent {
  border-color: var(--neon);
  background: rgba(0, 255, 229, 0.04);
}
.result-num {
  font-family: var(--font-vt);
  font-size: 2.4rem;
  color: var(--text-bright);
  line-height: 1;
}
.result-item.accent .result-num {
  color: var(--neon);
  text-shadow: var(--glow);
}
.result-lbl {
  font-family: var(--font-title);
  font-size: 0.5rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-top: 6px;
}

.wpm-chart-wrap {
  margin-bottom: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}

.results-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ═══════════════════════════════════════════════
   TRAIN TAB
   ═══════════════════════════════════════════════ */
.train-hero {
  text-align: center;
  padding: 40px 0 32px;
}
.train-hero-title {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--text-bright);
  margin-bottom: 8px;
}
.train-hero-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.train-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.train-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 28px 24px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.train-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 255, 229, 0.05),
    transparent
  );
  transition: left 0.5s;
}
.train-card:hover::before {
  left: 100%;
}
.train-card:hover {
  border-color: var(--neon);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 255, 229, 0.1);
}

.train-card-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}
.train-card-title {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-bright);
  margin-bottom: 8px;
}
.train-card-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 14px;
  line-height: 1.5;
}
.train-card-badge {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 0.5rem;
  letter-spacing: 2px;
  padding: 3px 8px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border2);
  color: var(--text-dim);
}
.train-card[data-module="speed"] .train-card-badge,
.train-card[data-module="accuracy"] .train-card-badge {
  border-color: var(--neon2);
  color: var(--neon2);
}
.train-card[data-module="homerow"] .train-card-badge {
  border-color: var(--neon);
  color: var(--neon);
}
.train-card-btn {
  font-family: var(--font-title);
  font-size: 0.6rem;
  letter-spacing: 2px;
  padding: 8px 0;
  background: transparent;
  border: none;
  color: var(--neon);
  cursor: pointer;
  transition: gap var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
}
.train-card-btn:hover {
  gap: 8px;
}

/* Train arena */
.train-arena {
  background: var(--bg2);
  border: 1px solid var(--neon);
  border-radius: var(--radius2);
  padding: 32px;
  box-shadow:
    var(--glow),
    0 20px 60px rgba(0, 0, 0, 0.4);
}
.train-arena.hidden {
  display: none;
}

.train-arena-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.train-arena-title {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--neon);
}
.train-progress-info {
  display: flex;
  gap: 24px;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.train-progress-info span span {
  color: var(--neon3);
}

.train-word-display {
  font-family: var(--font-vt);
  font-size: 3.5rem;
  text-align: center;
  color: var(--text-bright);
  letter-spacing: 4px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  margin-bottom: 20px;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.train-word-display.correct-flash {
  border-color: var(--correct);
  box-shadow: 0 0 20px rgba(0, 255, 229, 0.3);
  color: var(--correct);
}
.train-word-display.wrong-flash {
  border-color: var(--wrong);
  box-shadow: 0 0 20px rgba(255, 34, 85, 0.3);
  color: var(--wrong);
  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);
  }
}

.train-feedback {
  text-align: center;
  font-size: 1rem;
  min-height: 28px;
  color: var(--text-dim);
  transition: all 0.2s;
  letter-spacing: 1px;
}
.train-feedback.good {
  color: var(--correct);
}
.train-feedback.bad {
  color: var(--wrong);
}

/* ═══════════════════════════════════════════════
   STATS TAB
   ═══════════════════════════════════════════════ */
.stats-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding: 24px 0 0;
}
.stats-page-title {
  font-family: var(--font-title);
  font-size: 0.8rem;
  letter-spacing: 3px;
  color: var(--neon2);
}

.stats-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}
.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 20px 16px;
  text-align: center;
  transition: border-color var(--transition);
}
.summary-card.accent {
  border-color: var(--neon);
  background: rgba(0, 255, 229, 0.03);
}
.summary-val {
  font-family: var(--font-vt);
  font-size: 2.4rem;
  color: var(--text-bright);
  line-height: 1;
}
.summary-card.accent .summary-val {
  color: var(--neon);
  text-shadow: var(--glow);
}
.summary-lbl {
  font-family: var(--font-title);
  font-size: 0.5rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-top: 6px;
}

.history-chart-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 20px;
  margin-bottom: 24px;
}
.history-chart-label {
  font-family: var(--font-title);
  font-size: 0.55rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.history-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  overflow: hidden;
  margin-bottom: 24px;
}
.history-table-label {
  font-family: var(--font-title);
  font-size: 0.55rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border);
}
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}
.history-table th {
  font-family: var(--font-title);
  font-size: 0.5rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  padding: 10px 16px;
  text-align: left;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.history-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.history-table tr:last-child td {
  border-bottom: none;
}
.history-table tr:hover td {
  background: rgba(0, 255, 229, 0.03);
}
.history-table .empty-row td {
  text-align: center;
  color: var(--text-dim);
  padding: 32px;
  font-size: 0.8rem;
}

/* ═══════════════════════════════════════════════
   TOAST
   ═══════════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--surface2);
  border: 1px solid var(--border2);
  color: var(--text);
  font-size: 0.8rem;
  padding: 12px 24px;
  border-radius: var(--radius2);
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success {
  border-color: var(--neon);
  color: var(--neon);
}
.toast.error {
  border-color: var(--wrong);
  color: var(--wrong);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 700px) {
  .header {
    flex-wrap: wrap;
    gap: 12px;
  }
  .logo {
    font-size: 1.2rem;
  }
  .nav-tabs {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  .controls-bar {
    padding: 14px 16px;
    gap: 14px 24px;
  }
  .arena {
    padding: 18px 18px 14px;
  }
  .words-display {
    font-size: 1.1rem;
  }
  .results-panel {
    padding: 28px 24px;
  }
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .live-stats {
    gap: 8px;
  }
  .stat-val {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .app-wrapper {
    padding: 0 12px 60px;
  }
  .results-grid {
    grid-template-columns: 1fr 1fr;
  }
  .train-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════════
   FOOTER CREDIT
   ═══════════════════════════════════════════════ */
.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 24px;
  background: linear-gradient(
    to top,
    rgba(10, 10, 15, 0.98),
    rgba(10, 10, 15, 0.7)
  );
  border-top: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.footer-label {
  font-family: var(--font-title);
  font-size: 0.5rem;
  letter-spacing: 3px;
  color: var(--text-dim);
}
.footer-name {
  font-family: var(--font-title);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--neon);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all var(--transition);
  text-shadow: var(--glow);
}
.footer-name:hover {
  color: var(--text-bright);
  text-shadow:
    0 0 16px var(--neon),
    0 0 32px rgba(0, 255, 229, 0.4);
  gap: 10px;
}
.footer-gh-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.footer-name:hover .footer-gh-icon {
  opacity: 1;
}

/* ── Scrollbar styling ── */
::-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(--border2);
}

/* ── Selection ── */
::selection {
  background: rgba(0, 255, 229, 0.2);
  color: var(--neon);
}