/* ===================================================================
   Typing Battle - styles (polished)
   =================================================================== */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: ui-rounded, "Nunito", "Quicksand", "Avenir Next Rounded",
               "SF Pro Rounded", "Segoe UI Variable", system-ui,
               -apple-system, "Trebuchet MS", sans-serif;
  font-weight: 700;
  color: var(--fg, #fff);
  background: var(--bg, #0a0f1e);
  overflow: hidden;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Animated body gradient ---------- */
body {
  background-size: 200% 200%;
  animation: bgDrift 18s ease-in-out infinite alternate;
  position: relative;
}
@keyframes bgDrift {
  0%   { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}

/* Decorative floating background emoji per theme.
   Populated by JS as <span class="bg-deco">…</span>.   */
.bg-decorations {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.bg-deco {
  position: absolute;
  font-size: 28px;
  opacity: 0.18;
  filter: blur(0.5px);
  animation: float linear infinite;
}
@keyframes float {
  from { transform: translateY(110vh) rotate(0deg); }
  to   { transform: translateY(-20vh)  rotate(360deg); }
}

/* ---------- Theme palettes (more vibrant) ---------- */
.theme-space {
  --bg: radial-gradient(ellipse at 20% 10%, #4338ca 0%, #1e1b4b 40%, #050816 80%);
  --fg: #f0f4ff;
  --accent: #7ee7ff;
  --accent-2: #c98bff;
  --accent-3: #ffd24a;
  --panel: rgba(30, 45, 90, 0.55);
  --panel-border: rgba(126, 231, 255, 0.4);
  --panel-shadow: 0 14px 40px rgba(126, 231, 255, 0.12);
  --good: #5cffa7;
  --bad:  #ff6b8a;
}
.theme-underwater {
  --bg: radial-gradient(ellipse at 30% 0%, #22d3ee 0%, #0e7490 35%, #062737 90%);
  --fg: #ecfeff;
  --accent: #5eead4;
  --accent-2: #fde68a;
  --accent-3: #fb7185;
  --panel: rgba(10, 60, 90, 0.55);
  --panel-border: rgba(94, 234, 212, 0.4);
  --panel-shadow: 0 14px 40px rgba(94, 234, 212, 0.14);
  --good: #d9f99d;
  --bad:  #fb7185;
}
.theme-jungle {
  --bg: radial-gradient(ellipse at 80% 10%, #84cc16 0%, #166534 40%, #0d2010 95%);
  --fg: #f7ffe0;
  --accent: #fde047;
  --accent-2: #fb923c;
  --accent-3: #34d399;
  --panel: rgba(40, 70, 30, 0.6);
  --panel-border: rgba(253, 224, 71, 0.45);
  --panel-shadow: 0 14px 40px rgba(253, 224, 71, 0.14);
  --good: #bef264;
  --bad:  #fb923c;
}
.theme-castle {
  --bg: radial-gradient(ellipse at 50% 0%, #a855f7 0%, #5b21b6 25%, #1e1b3a 80%);
  --fg: #fff7ed;
  --accent: #fbbf24;
  --accent-2: #f472b6;
  --accent-3: #c4b5fd;
  --panel: rgba(60, 35, 80, 0.6);
  --panel-border: rgba(251, 191, 36, 0.45);
  --panel-shadow: 0 14px 40px rgba(251, 191, 36, 0.14);
  --good: #fde68a;
  --bad:  #fb7185;
}

/* ---------- Screens ---------- */
.screen {
  display: none;
  height: 100vh;
  width: 100vw;
  padding: 24px 32px;
  flex-direction: column;
  position: relative;
  z-index: 1;
}
.screen.active {
  display: flex;
  animation: screenIn 0.4s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes screenIn {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Buttons ---------- */
.btn {
  appearance: none;
  border: 2px solid var(--panel-border);
  background: var(--panel);
  color: var(--fg);
  padding: 12px 22px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: transform .12s ease, background .18s ease,
              box-shadow .18s ease, border-color .18s ease;
  font-family: inherit;
  backdrop-filter: blur(6px);
}
.btn:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111a;
  border: 2px solid transparent;
  box-shadow: 0 8px 22px rgba(0,0,0,0.4),
              inset 0 -3px 0 rgba(0,0,0,0.18),
              inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 14px 30px rgba(0,0,0,0.45),
              0 0 0 4px rgba(255,255,255,0.08),
              inset 0 -3px 0 rgba(0,0,0,0.18),
              inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-ghost { background: transparent; backdrop-filter: none; }

/* ---------- Title screen ---------- */
.hero { text-align: center; margin: 2vh 0 3vh; position: relative; }
.title-eyebrow {
  font-size: 20px;
  letter-spacing: 12px;
  margin-bottom: 6px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
  filter: drop-shadow(0 0 12px rgba(255,255,255,0.18));
}
.title {
  font-size: clamp(32px, 6.4vw, 84px);
  margin: 0;
  letter-spacing: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 6s linear infinite;
  text-shadow: 0 6px 30px rgba(0,0,0,0.35);
  display: inline-block;
  max-width: 92vw;
  line-height: 1.05;
  position: relative;
}
.title::before {
  content: attr(data-shadow);
  position: absolute;
  inset: 0;
  -webkit-text-fill-color: rgba(0,0,0,0.35);
  color: rgba(0,0,0,0.35);
  filter: blur(4px);
  z-index: -1;
}
.title-underline {
  margin: 14px auto 0;
  width: clamp(160px, 30vw, 400px);
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), var(--accent-3), transparent);
  background-size: 200% 100%;
  animation: shimmer 5s linear infinite;
  box-shadow: 0 0 18px var(--accent);
}
@keyframes shimmer {
  to { background-position: 300% 0; }
}
.title-letter {
  display: inline-block;
  animation: titleBounce 2.4s ease-in-out infinite;
}
@keyframes titleBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-12px) scale(1.04); }
}
.subtitle {
  opacity: 0.92;
  font-size: 18px;
  margin-top: 16px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.profile-list {
  display: flex; gap: 18px; flex-wrap: wrap; justify-content: center;
  margin: 0 auto 24px; max-width: 980px;
}
.profile-card {
  width: 170px;
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 22px;
  padding: 18px;
  text-align: center;
  cursor: pointer;
  transition: transform .18s cubic-bezier(.2,.9,.3,1.4),
              box-shadow .18s ease,
              border-color .18s ease;
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.profile-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), transparent 50%);
  pointer-events: none;
}
.profile-card:hover {
  transform: translateY(-6px) scale(1.03);
  border-color: var(--accent);
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
}
.profile-card:hover .avatar-big { transform: scale(1.1) rotate(-6deg); }
.profile-card .avatar-big {
  font-size: 60px;
  display: block;
  margin-bottom: 8px;
  transition: transform .25s cubic-bezier(.2,.9,.3,1.6);
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.4));
}
.profile-card .pc-name {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.3px;
}
.profile-card .pc-stats {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 4px;
  font-weight: 600;
}
.profile-card .pc-delete {
  font-size: 11px;
  opacity: 0.55;
  margin-top: 8px;
  cursor: pointer;
  text-decoration: underline;
  transition: opacity .15s ease;
}
.profile-card .pc-delete:hover { opacity: 1; }

.profile-create {
  margin: 0 auto;
  max-width: 540px;
  text-align: center;
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 22px;
  padding: 22px 28px;
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(8px);
}
.profile-create-title {
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 10px;
}
.profile-create input {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 2px solid var(--panel-border);
  background: rgba(0,0,0,0.3);
  color: var(--fg);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.profile-create input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.08);
}
.avatar-picker {
  display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px;
}
.avatar-picker .av {
  font-size: 30px;
  padding: 6px 8px;
  border-radius: 12px;
  cursor: pointer;
  opacity: 0.55;
  transition: transform .15s ease, opacity .12s ease, background .12s ease;
}
.avatar-picker .av:hover {
  opacity: 1;
  transform: scale(1.15) rotate(-4deg);
}
.avatar-picker .av.selected {
  opacity: 1;
  background: rgba(255,255,255,0.15);
  outline: 2px solid var(--accent);
  transform: scale(1.15);
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
  gap: 14px;
}
.player-tag {
  display: flex; align-items: center; gap: 14px;
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 18px;
  padding: 8px 18px 8px 8px;
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(8px);
}
.player-tag-btn {
  cursor: pointer;
  color: var(--fg);
  font-family: inherit;
  transition: transform .12s ease, border-color .15s ease, box-shadow .15s ease;
}
.player-tag-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
}
.player-tag-arrow {
  font-size: 22px;
  opacity: 0.6;
  margin-left: 6px;
}
.avatar-big { font-size: 38px; filter: drop-shadow(0 3px 6px rgba(0,0,0,0.3)); }
.player-name { font-weight: 800; font-size: 17px; }
.player-stats { font-size: 12px; opacity: 0.8; font-weight: 600; }

/* ---------- Menu ---------- */
.menu-heading {
  text-align: center;
  margin: 4px 0 18px;
  font-size: 24px;
  opacity: 0.95;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}
.mode-card {
  appearance: none;
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 22px;
  padding: 24px 18px;
  text-align: center;
  color: var(--fg);
  cursor: pointer;
  transition: transform .18s cubic-bezier(.2,.9,.3,1.4),
              box-shadow .18s ease,
              border-color .18s ease;
  font-family: inherit;
  font-weight: 700;
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.mode-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent 60%);
  pointer-events: none;
}
.mode-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--accent);
  box-shadow: 0 20px 44px rgba(0,0,0,0.5);
}
.mode-card:hover .mode-emoji {
  animation: wiggle 0.6s ease-in-out;
}
@keyframes wiggle {
  0%, 100% { transform: rotate(0); }
  20%      { transform: rotate(-12deg) scale(1.1); }
  40%      { transform: rotate(10deg) scale(1.1); }
  60%      { transform: rotate(-6deg) scale(1.08); }
  80%      { transform: rotate(4deg)  scale(1.05); }
}
.mode-emoji {
  font-size: 58px;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,0.4));
  display: inline-block;
  transition: transform .2s ease;
}
.mode-name { font-size: 19px; font-weight: 800; margin-top: 8px; letter-spacing: 0.3px; }
.mode-desc { font-size: 13px; opacity: 0.85; margin-top: 4px; font-weight: 600; }

.menu-row { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.picker {
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 18px;
  padding: 14px 20px;
  min-width: 340px;
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(8px);
}
.picker > label {
  display: block;
  font-size: 11px;
  opacity: 0.8;
  margin-bottom: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 800;
}
.level-picker { display: flex; gap: 6px; flex-wrap: wrap; }
.level-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 2px solid var(--panel-border);
  background: rgba(0,0,0,0.25);
  color: var(--fg);
  cursor: pointer;
  font-weight: 800;
  font-family: inherit;
  font-size: 15px;
  transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
}
.level-btn:hover:not(.locked) {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.1);
}
.level-btn.locked {
  opacity: 0.3;
  cursor: not-allowed;
  position: relative;
}
.level-btn.locked::after {
  content: "🔒";
  position: absolute;
  top: -6px; right: -6px;
  font-size: 12px;
}
.level-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111a;
  border: 2px solid transparent;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4),
              inset 0 -2px 0 rgba(0,0,0,0.15);
}

.theme-picker { display: flex; gap: 8px; }
.theme-btn {
  flex: 1;
  padding: 12px 8px;
  border-radius: 12px;
  border: 2px solid var(--panel-border);
  background: rgba(0,0,0,0.25);
  color: var(--fg);
  cursor: pointer;
  font-weight: 800;
  font-family: inherit;
  font-size: 13px;
  transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
}
.theme-btn:hover { transform: translateY(-2px); }
.theme-btn.active {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  background: rgba(255,255,255,0.1);
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

/* ---------- Game HUD ---------- */
.game-hud .hud-stats { display: flex; gap: 14px; }
.stat {
  text-align: center;
  padding: 6px 14px;
  background: rgba(0,0,0,0.25);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  min-width: 70px;
}
.stat-label {
  display: block;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.75;
  font-weight: 800;
}
.stat-value {
  font-size: 24px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  transition: transform .15s ease, color .15s ease;
}
.stat-value.bumped {
  transform: scale(1.25);
  color: var(--good);
}

/* ---------- Play area ---------- */
.play-area {
  position: relative;
  flex: 1;
  border-radius: 22px;
  overflow: hidden;
  border: 2px solid var(--panel-border);
  background: rgba(0,0,0,0.3);
  margin-bottom: 14px;
  box-shadow: var(--panel-shadow), inset 0 0 60px rgba(0,0,0,0.4);
}
#game-canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.target-line {
  position: absolute;
  left: 0; right: 0; bottom: 14px;
  display: flex; flex-direction: column; align-items: center;
  pointer-events: none;
}
.target-prompt {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 3px;
  padding: 10px 22px;
  background: rgba(0,0,0,0.55);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(6px);
}
.target-prompt .char-pending { color: var(--fg); opacity: 0.55; }
.target-prompt .char-correct { color: var(--good); }
.target-prompt .char-wrong   { color: var(--bad); text-decoration: underline wavy; }
.target-prompt .char-current {
  color: var(--accent);
  text-decoration: underline;
  animation: caretBlink 0.8s ease-in-out infinite;
}
@keyframes caretBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}
.typed-echo {
  font-size: 13px;
  opacity: 0.85;
  margin-top: 8px;
  min-height: 1em;
  letter-spacing: 1px;
  font-weight: 700;
  padding: 4px 10px;
  background: rgba(0,0,0,0.3);
  border-radius: 10px;
}

/* ---------- On-screen keyboard ---------- */
.keyboard {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  padding: 12px;
  background: rgba(0,0,0,0.3);
  border-radius: 18px;
  border: 2px solid var(--panel-border);
  box-shadow: var(--panel-shadow), inset 0 -2px 0 rgba(0,0,0,0.3);
}
.kb-row { display: flex; gap: 6px; }
.kb-key {
  --kfg: #fff;
  --kbg: rgba(255,255,255,0.08);
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--kbg);
  color: var(--kfg);
  font-weight: 800;
  font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.18);
  position: relative;
  transition: transform .07s ease, box-shadow .15s ease, background .15s ease;
  box-shadow:
    inset 0 -3px 0 rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.2),
    0 2px 4px rgba(0,0,0,0.3);
}
.kb-key.wide { width: 72px; }
.kb-key.xwide { width: 220px; }
.kb-key.locked { opacity: 0.2; box-shadow: none; }

/* Finger colors (brighter, more saturated) */
.kb-key.f-pinky  { --kbg: linear-gradient(180deg, rgba(255,120,120,0.55), rgba(255,80,80,0.4));  }
.kb-key.f-ring   { --kbg: linear-gradient(180deg, rgba(255,180,100,0.55), rgba(255,140,60,0.4)); }
.kb-key.f-middle { --kbg: linear-gradient(180deg, rgba(255,235,120,0.6), rgba(255,210,80,0.45)); color: #1a1300; }
.kb-key.f-index  { --kbg: linear-gradient(180deg, rgba(140,240,150,0.55), rgba(80,210,110,0.45)); color: #062a08; }
.kb-key.f-thumb  { --kbg: linear-gradient(180deg, rgba(200,160,255,0.55), rgba(160,120,255,0.45)); }

.kb-key.next {
  box-shadow:
    0 0 0 3px var(--accent),
    0 0 28px var(--accent),
    inset 0 -3px 0 rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.3);
  transform: translateY(-3px);
  z-index: 2;
  animation: nextPulse 1.1s ease-in-out infinite;
}
@keyframes nextPulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--accent), 0 0 18px var(--accent),
                          inset 0 -3px 0 rgba(0,0,0,0.3); }
  50%      { box-shadow: 0 0 0 4px var(--accent), 0 0 32px var(--accent),
                          inset 0 -3px 0 rgba(0,0,0,0.3); }
}
.kb-key.pressed {
  background: var(--good);
  color: #08111a;
  transform: translateY(3px);
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.4);
}
.kb-key.wrong {
  background: var(--bad);
  color: #08111a;
  transform: translateY(3px);
  animation: wrongShake 0.18s ease-in-out;
}
@keyframes wrongShake {
  0%, 100% { transform: translateY(3px) translateX(0); }
  25%      { transform: translateY(3px) translateX(-3px); }
  75%      { transform: translateY(3px) translateX(3px); }
}

#hidden-input { position: absolute; left: -9999px; opacity: 0; }

/* ---------- HUD buttons cluster ---------- */
.hud-buttons { display: flex; gap: 8px; }

/* ---------- Pause overlay ---------- */
.pause-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 10, 25, 0.7);
  backdrop-filter: blur(8px);
  z-index: 6;
  animation: pauseIn 0.2s ease;
}
@keyframes pauseIn {
  from { opacity: 0; backdrop-filter: blur(0); }
  to   { opacity: 1; backdrop-filter: blur(8px); }
}
.pause-card {
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 24px;
  padding: 32px 44px;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  max-width: 420px;
  animation: pausePop 0.3s cubic-bezier(.2,.9,.3,1.4);
}
@keyframes pausePop {
  from { transform: scale(0.85); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}
.pause-title {
  font-size: 38px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pause-sub { opacity: 0.85; font-size: 15px; margin: 8px 0 22px; font-weight: 600; }
.pause-actions { display: flex; gap: 10px; justify-content: center; margin-bottom: 18px; }
.pause-hint { font-size: 12px; opacity: 0.6; }
.pause-hint kbd {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.18);
  font-family: ui-monospace, "SF Mono", monospace;
  font-size: 11px;
  margin: 0 2px;
}

/* ---------- Achievement toast ---------- */
.achievement-toast {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translate(-50%, -120%);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111a;
  font-weight: 900;
  font-size: 15px;
  padding: 10px 22px;
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.45),
              inset 0 -2px 0 rgba(0,0,0,0.15),
              inset 0 1px 0 rgba(255,255,255,0.4);
  z-index: 7;
  pointer-events: none;
  opacity: 0;
  transition: transform .35s cubic-bezier(.2,.9,.3,1.4), opacity .25s ease;
  letter-spacing: 0.3px;
}
.achievement-toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

/* ---------- Get Ready countdown ---------- */
.countdown-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  z-index: 5;
  pointer-events: none;
}
.countdown-text {
  font-size: 140px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 6px 30px rgba(0,0,0,0.45);
  animation: countdownPop 0.85s ease-out;
}
@keyframes countdownPop {
  0%   { transform: scale(0.2); opacity: 0; }
  40%  { transform: scale(1.2); opacity: 1; }
  80%  { transform: scale(1);   opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}
.countdown-text.go {
  font-size: 110px;
  letter-spacing: 4px;
}

/* ---------- Summary screen ---------- */
#screen-summary { justify-content: center; align-items: center; }
.summary-card {
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 28px;
  padding: 36px 44px;
  text-align: center;
  max-width: 640px;
  width: 100%;
  box-shadow: var(--panel-shadow), 0 30px 80px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.summary-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.07), transparent 60%);
  pointer-events: none;
}
.summary-card h2 {
  margin: 0 0 8px;
  font-size: 36px;
  letter-spacing: 0.5px;
}
.star-rating {
  font-size: 50px;
  margin: 14px 0 6px;
  letter-spacing: 8px;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,0.4));
}
.star-rating .star {
  display: inline-block;
  opacity: 0.25;
  transform: scale(0.85);
  transition: opacity .3s ease, transform .3s ease;
}
.star-rating .star.lit {
  opacity: 1;
  transform: scale(1);
  animation: starPop 0.5s cubic-bezier(.2,.9,.3,1.6);
}
@keyframes starPop {
  0%   { transform: scale(0.2) rotate(-30deg); opacity: 0; }
  60%  { transform: scale(1.4) rotate(8deg);   opacity: 1; }
  100% { transform: scale(1)   rotate(0);      opacity: 1; }
}
.summary-stats { display: flex; gap: 36px; justify-content: center; margin: 18px 0 22px; flex-wrap: wrap; }
.big-stat { text-align: center; }
.big-value {
  font-size: 52px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.big-label {
  font-size: 12px;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 800;
  margin-top: -4px;
}
.summary-feedback {
  font-size: 16px;
  opacity: 0.95;
  margin: 14px auto 18px;
  min-height: 1.2em;
  max-width: 480px;
  font-weight: 600;
  line-height: 1.4;
}
.badges {
  display: flex; gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 22px;
  min-height: 36px;
}
.badge {
  font-size: 14px;
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111a;
  border-radius: 20px;
  font-weight: 800;
  animation: pop 0.5s cubic-bezier(.2,.9,.3,1.6);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
@keyframes pop {
  from { transform: scale(0.4); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.summary-actions { display: flex; gap: 14px; justify-content: center; }

/* ---------- Per-key heatmap on summary ---------- */
.heatmap-section {
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 14px 16px 16px;
  margin: 4px 0 22px;
}
.heatmap-title {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-weight: 800;
}
.heatmap-legend { display: flex; align-items: center; gap: 4px; font-size: 10px; text-transform: none; letter-spacing: 0.5px; opacity: 0.85; font-weight: 600; }
.heatmap-legend .lg {
  display: inline-block; width: 12px; height: 12px; border-radius: 3px;
  margin: 0 2px 0 6px;
}
.heatmap-legend .lg-low  { background: hsl(0,   70%, 45%); }
.heatmap-legend .lg-mid  { background: hsl(60,  70%, 45%); }
.heatmap-legend .lg-high { background: hsl(120, 70%, 45%); }
.heatmap { display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.hm-row { display: flex; gap: 3px; }
.hm-key {
  width: 26px; height: 26px;
  border-radius: 5px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.hm-key.hm-empty { opacity: 0.25; }
.hm-key.hm-space { width: 130px; }
.hm-key[data-acc]::after {
  content: attr(data-acc) "%";
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 8px;
  opacity: 0.7;
  white-space: nowrap;
}

/* ---------- Generic modal backdrop ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 10, 25, 0.7);
  backdrop-filter: blur(10px);
  z-index: 20;
  animation: pauseIn 0.22s ease;
  padding: 20px;
}

/* ---------- Lesson intro modal ---------- */
.lesson-intro-card {
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 28px;
  padding: 32px 40px;
  text-align: center;
  max-width: 560px;
  width: 100%;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  animation: pausePop 0.32s cubic-bezier(.2,.9,.3,1.4);
}
.lesson-intro-num {
  font-size: 12px;
  letter-spacing: 4px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}
.lesson-intro-name {
  font-size: 34px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 14px;
}
.lesson-intro-tip {
  font-size: 16px;
  opacity: 0.95;
  margin-bottom: 20px;
  font-weight: 600;
  line-height: 1.4;
}
.lesson-intro-newkeys {
  background: rgba(0,0,0,0.25);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 22px;
  border: 1px solid rgba(255,255,255,0.07);
}
.lesson-intro-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.75;
  font-weight: 800;
  margin-bottom: 10px;
}
.lesson-intro-keys-row {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}
.li-key {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 17px;
  color: #111;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.4);
}
.li-key.f-pinky  { background: linear-gradient(180deg, #ff8b8b, #ff5e5e); }
.li-key.f-ring   { background: linear-gradient(180deg, #ffb976, #ff9c45); color: #1a1100; }
.li-key.f-middle { background: linear-gradient(180deg, #ffe87a, #ffcf3a); }
.li-key.f-index  { background: linear-gradient(180deg, #9af0a4, #6cdc7a); }
.li-key.f-thumb  { background: linear-gradient(180deg, #d0a8ff, #b07cff); color: #fff; }
.lesson-intro-actions {
  display: flex; gap: 12px; justify-content: center;
}

/* ---------- Profile detail modal ---------- */
.profile-detail-card {
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 28px;
  padding: 28px 32px;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  animation: pausePop 0.32s cubic-bezier(.2,.9,.3,1.4);
  position: relative;
}
.pd-close {
  position: absolute;
  top: 14px; right: 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--panel-border);
  color: var(--fg);
  width: 36px; height: 36px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  transition: background .15s ease, transform .12s ease;
}
.pd-close:hover { background: rgba(255,255,255,0.12); transform: scale(1.05); }
.pd-header {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 22px;
}
.pd-avatar {
  font-size: 64px;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,0.45));
}
.pd-meta { text-align: left; }
.pd-name {
  font-size: 28px; font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pd-level { font-size: 13px; opacity: 0.85; font-weight: 600; }
.pd-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
  margin-bottom: 22px;
}
.pd-stat {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 12px 10px;
  text-align: center;
}
.pd-stat-val {
  font-size: 26px;
  font-weight: 900;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.pd-stat-lbl {
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  opacity: 0.8;
  font-weight: 800;
  margin-top: 2px;
}
.pd-section-title {
  font-size: 11px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  opacity: 0.85;
  font-weight: 800;
  margin: 18px 0 10px;
}
.pd-badges-grid { justify-content: flex-start; min-height: auto; }
.pd-badges-grid .badge { animation: none; }
.pd-empty { font-size: 13px; opacity: 0.6; font-style: italic; padding: 6px 0; }

/* Confetti burst on summary */
.confetti-piece {
  position: absolute;
  width: 10px;
  height: 14px;
  top: 50%; left: 50%;
  opacity: 0;
  pointer-events: none;
  animation: confettiFall 1.4s ease-out forwards;
}
@keyframes confettiFall {
  0%   { transform: translate(-50%, -50%) rotate(0) scale(0.8); opacity: 1; }
  100% { transform: translate(var(--cx, 0), var(--cy, 200px)) rotate(360deg); opacity: 0; }
}

/* ---------- Floating particles (game canvas overlay) ---------- */
.fx-float {
  position: absolute;
  pointer-events: none;
  font-weight: 800;
  font-size: 18px;
  animation: floatUp 0.9s ease forwards;
}
@keyframes floatUp {
  from { transform: translateY(0);    opacity: 1; }
  to   { transform: translateY(-60px); opacity: 0; }
}

/* ---------- Small screens fallback ---------- */
@media (max-width: 900px) {
  .mode-grid { grid-template-columns: repeat(2, 1fr); }
  .kb-key { width: 34px; height: 40px; font-size: 13px; }
  .kb-key.wide { width: 58px; }
  .kb-key.xwide { width: 160px; }
  .title { font-size: clamp(34px, 9vw, 60px); }
  .summary-stats { gap: 18px; }
  .big-value { font-size: 40px; }
}