:root {
  --bg: #171a22;
  --panel: #1f2330;
  --text-dim: #5d667f;
  --text-main: #adb6ce;
  --text-done: #f6f7fb;
  --accent: #a78bfa;
  --wrong: #f87171;
  --caret: #f9c74f;
  --border: #2c3142;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #23293b 0%, var(--bg) 55%);
  color: var(--text-main);
  transition: background 420ms var(--ease-out), color 240ms ease;
}

.app {
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.2rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  background: rgba(31, 35, 48, 0.7);
  backdrop-filter: blur(8px);
  transition: border-color 220ms ease, background-color 280ms ease, box-shadow 280ms ease;
}

.topbar:hover {
  border-color: #3b4157;
  box-shadow: 0 8px 24px rgba(8, 11, 17, 0.22);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #11131a;
  background: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.brand-text {
  font-weight: 600;
  color: var(--text-done);
  letter-spacing: 0.03em;
}

.status {
  color: var(--text-main);
  font-size: 0.9rem;
}

.dot {
  padding: 0 0.45rem;
  color: var(--text-dim);
}

.typing-panel {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(40, 46, 63, 0.68) 0%, rgba(31, 35, 48, 0.92) 100%);
  padding: 1.4rem 1.25rem;
  box-shadow: 0 16px 35px rgba(11, 14, 21, 0.25);
  transition: transform 260ms var(--ease-out), border-color 220ms ease, box-shadow 260ms ease;
}

.typing-panel:hover {
  transform: translateY(-1px);
  border-color: #3a4055;
  box-shadow: 0 20px 44px rgba(9, 12, 18, 0.32);
}

.typing-panel.complete .quote,
.typing-panel.complete .panel-head {
  opacity: 0.2;
  filter: blur(0.45px);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.7rem;
}

.level-rail {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.95rem;
  padding: 0.46rem 0.5rem;
  border: 1px solid rgba(74, 84, 112, 0.42);
  border-radius: 12px;
  background: rgba(18, 23, 35, 0.46);
}

.level-label {
  color: #95a3c9;
  font-size: 0.77rem;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  padding: 0 0.25rem 0 0.1rem;
}

.level-btn {
  padding: 0.3rem 0.62rem;
  border-radius: 9px;
  font-size: 0.79rem;
  letter-spacing: 0.015em;
}

.level-btn.is-active {
  color: var(--text-done);
  border-color: rgba(167, 139, 250, 0.82);
  background: linear-gradient(180deg, rgba(167, 139, 250, 0.18), rgba(122, 141, 186, 0.11));
  box-shadow: 0 6px 15px rgba(9, 12, 18, 0.36);
}

.level-helper {
  margin-left: auto;
  color: #8e9bc1;
  font-size: 0.77rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.panel-mode {
  color: var(--accent);
  text-transform: lowercase;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
}

.shortcut {
  color: var(--text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.ghost-btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-main);
  border-radius: 10px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease, transform 200ms var(--ease-out), box-shadow 220ms ease;
}

.ghost-btn:hover {
  color: var(--text-done);
  border-color: #475069;
  background: rgba(122, 141, 186, 0.08);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(7, 10, 16, 0.32);
}

.ghost-btn:active {
  transform: translateY(0);
}

.ghost-btn:focus-visible {
  outline: 2px solid rgba(167, 139, 250, 0.7);
  outline-offset: 2px;
}

.primary-btn {
  border: 1px solid #4d5a7a;
  background: linear-gradient(180deg, rgba(167, 139, 250, 0.18), rgba(122, 141, 186, 0.12));
  color: var(--text-done);
  border-radius: 10px;
  padding: 0.52rem 0.9rem;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 200ms var(--ease-out), border-color 200ms ease, box-shadow 220ms ease;
}

.primary-btn:hover {
  transform: translateY(-1px);
  border-color: #7886ad;
  box-shadow: 0 8px 18px rgba(10, 14, 22, 0.36);
}

.primary-btn:active {
  transform: translateY(0);
}

.quote-rail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.48rem;
  border: 1px solid rgba(74, 84, 112, 0.5);
  border-radius: 12px;
  background: rgba(20, 24, 36, 0.45);
}

.quote-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.quote-label {
  color: var(--text-done);
  font-weight: 600;
  letter-spacing: 0.015em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quote-count {
  color: #8e9bc1;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.rail-btn {
  padding: 0.34rem 0.6rem;
  border-radius: 9px;
  font-size: 0.8rem;
}

.quote {
  position: relative;
  font-size: clamp(1.08rem, 2.15vw, 1.95rem);
  line-height: 1.7;
  letter-spacing: 0.02em;
  margin: 0;
  min-height: 13rem;
  word-break: break-word;
  isolation: isolate;
  transition: opacity 230ms ease, transform 230ms var(--ease-out);
}

.quote.is-switching {
  opacity: 0.35;
  transform: translateY(3px);
}

.char {
  color: var(--text-dim);
  transition: color 180ms ease, text-shadow 220ms ease, opacity 220ms ease;
}

.char.masked {
  color: #7580a3;
  text-shadow: 0 0 0.55em rgba(118, 129, 164, 0.12);
}

.char.space {
  padding: 0 0.05em;
}

.char.correct {
  color: var(--text-done);
  text-shadow: 0 0 0 rgba(255, 255, 255, 0.2);
}

.char.incorrect {
  color: #ff6f86;
  text-decoration-line: underline;
  text-decoration-color: rgba(255, 111, 134, 0.9);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.17em;
  text-shadow: 0 0 0.45em rgba(255, 111, 134, 0.18);
}

.char.extra-char {
  display: inline-block;
  margin-right: 0.01em;
  opacity: 0.96;
}

.char.current {
  color: var(--text-dim);
}

.floating-caret {
  position: absolute;
  left: 0;
  top: 0;
  width: 0.11em;
  height: 1.18em;
  border-radius: 0.14em;
  background: linear-gradient(180deg, #ffd46a 0%, var(--caret) 100%);
  box-shadow: 0 0 0.85em rgba(249, 199, 79, 0.42);
  transform: translate3d(0, 0, 0);
  transition: transform 145ms var(--ease-out), opacity 220ms ease, height 145ms var(--ease-out);
  will-change: transform, height;
  pointer-events: none;
  z-index: 3;
}

.floating-caret::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  animation: caretPulse 980ms ease-in-out infinite;
}

.floating-caret.idle {
  animation: caretBlink 1.05s step-end infinite;
}

.floating-caret.hidden {
  opacity: 0;
}

.session-result {
  position: absolute;
  inset: auto 1.2rem 1.2rem 1.2rem;
  border: 1px solid rgba(91, 103, 133, 0.58);
  border-radius: 14px;
  padding: 1rem 1rem 0.95rem;
  background: rgba(18, 23, 36, 0.86);
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(10px) scale(0.985);
  pointer-events: none;
  transition: opacity 230ms ease, transform 230ms var(--ease-out);
  z-index: 5;
}

.session-result.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.result-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  text-transform: lowercase;
  letter-spacing: 0.06em;
}

.result-title {
  margin: 0.35rem 0 0.35rem;
  color: var(--text-done);
  font-size: clamp(1.1rem, 1.65vw, 1.45rem);
}

.result-message {
  margin: 0 0 0.85rem;
  color: #c3cae1;
  line-height: 1.45;
  font-size: 0.94rem;
}

.result-stats {
  display: flex;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
}

.result-stat {
  flex: 1;
  min-width: 0;
  border: 1px solid rgba(72, 80, 106, 0.8);
  border-radius: 10px;
  padding: 0.5rem 0.6rem;
  background: rgba(24, 30, 46, 0.72);
}

.result-value {
  display: block;
  color: #f4f7ff;
  font-size: 1rem;
  font-weight: 700;
}

.result-label {
  display: block;
  margin-top: 0.18rem;
  color: #99a4c5;
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  text-transform: lowercase;
}

.result-reflection {
  margin: 0 0 0.9rem;
  color: #acb4cf;
  font-size: 0.86rem;
  line-height: 1.45;
}

@keyframes caretBlink {
  0%,
  46%,
  100% {
    opacity: 1;
  }
  47%,
  95% {
    opacity: 0.25;
  }
}

@keyframes caretPulse {
  0%,
  100% {
    opacity: 0.9;
  }
  50% {
    opacity: 0.58;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }

  .quote {
    min-height: 11rem;
  }

  .quote-rail {
    flex-wrap: wrap;
  }

  .level-rail {
    flex-wrap: wrap;
  }

  .level-helper {
    width: 100%;
    margin-left: 0;
  }

  .quote-meta {
    order: -1;
    width: 100%;
  }

  .floating-caret {
    width: 0.1em;
  }

  .session-result {
    inset: auto 0.8rem 0.8rem 0.8rem;
    padding: 0.85rem;
  }

  .result-stats {
    flex-direction: column;
    gap: 0.5rem;
  }
}