:root {
  --bg-a: #f4f0e8;
  --bg-b: #d7e3f5;
  --ink: #1d2430;
  --muted: #4e5b6d;
  --accent: #bf4f25;
  --accent-soft: #ffe4d7;
  --ok: #1f7a4d;
  --warn: #9f2f2f;
  --panel: rgba(255, 255, 255, 0.86);
  --stroke: rgba(29, 36, 48, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(90rem 38rem at 12% 8%, rgba(191, 79, 37, 0.18), transparent 62%),
    radial-gradient(72rem 28rem at 92% 88%, rgba(33, 101, 167, 0.2), transparent 55%),
    linear-gradient(145deg, var(--bg-a), var(--bg-b));
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.app-shell {
  width: min(56rem, 100%);
  display: grid;
  gap: 1rem;
}

.app-header {
  text-align: center;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

h1 {
  margin: 0.35rem 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  letter-spacing: 0.02em;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.hud {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.75rem;
}

.progress-wrap {
  grid-template-columns: 1fr;
}

.hud-item,
.card {
  border: 1px solid var(--stroke);
  background: var(--panel);
  backdrop-filter: blur(4px);
  border-radius: 0.9rem;
}

.hud-item {
  padding: 0.65rem 0.85rem;
  display: grid;
  gap: 0.2rem;
}

.progress-item {
  gap: 0.45rem;
}

.progress-track {
  height: 0.65rem;
  border-radius: 999px;
  background: rgba(29, 36, 48, 0.12);
  overflow: hidden;
}

.progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #2f7a53, #58b16d);
  transition: width 0.25s ease;
}

.hud-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.card {
  padding: clamp(1rem, 2.2vw, 1.5rem);
  display: grid;
  gap: 0.9rem;
}

.status-text {
  margin: 0;
  color: var(--muted);
  min-height: 1.25rem;
}

.status-text.good {
  color: var(--ok);
}

.status-text.bad {
  color: var(--warn);
}

.target-text {
  margin: 0;
  min-height: 7rem;
  line-height: 1.65;
  padding: 0.95rem;
  border-radius: 0.75rem;
  border: 1px dashed var(--stroke);
  background: #fff;
  font-size: clamp(1rem, 1.1rem + 0.2vw, 1.25rem);
  font-family: "Courier New", Courier, monospace;
}

.typed {
  color: var(--ok);
  background: rgba(31, 122, 77, 0.12);
}

.pending {
  color: var(--ink);
}

.input-label {
  font-weight: 700;
  font-size: 0.92rem;
}

.typing-input {
  width: 100%;
  border: 1px solid var(--stroke);
  border-radius: 0.72rem;
  padding: 0.82rem 0.9rem;
  font-size: 1rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.typing-input:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(191, 79, 37, 0.18);
}

.typing-input.shake {
  animation: shake 0.22s linear;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: end;
}

.difficulty-wrap {
  display: grid;
  gap: 0.32rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 700;
}

.difficulty-select {
  border: 1px solid var(--stroke);
  border-radius: 0.65rem;
  padding: 0.54rem 0.6rem;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
}

.penalty-wrap {
  min-width: min(100%, 16rem);
}

.penalty-controls {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.45rem;
  align-items: center;
}

.penalty-range {
  width: 100%;
  accent-color: var(--accent);
}

.penalty-input {
  width: 3.5rem;
  border: 1px solid var(--stroke);
  border-radius: 0.55rem;
  padding: 0.36rem 0.45rem;
  text-align: center;
  font-weight: 700;
}

.penalty-unit {
  color: var(--muted);
  font-size: 0.8rem;
}

.btn {
  border: 1px solid var(--stroke);
  border-radius: 0.65rem;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  padding: 0.62rem 0.96rem;
  cursor: pointer;
}

.btn:hover {
  border-color: rgba(29, 36, 48, 0.35);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #d16a43);
  color: #fff;
  border-color: transparent;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

@keyframes shake {
  25% {
    transform: translateX(-4px);
  }

  50% {
    transform: translateX(4px);
  }

  75% {
    transform: translateX(-3px);
  }
}

@media (max-width: 640px) {
  body {
    padding: 0.8rem;
  }

  .hud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .progress-wrap {
    grid-template-columns: 1fr;
  }

  .target-text {
    min-height: 8.2rem;
    font-size: 1rem;
  }

  .btn {
    width: 100%;
  }

  .difficulty-wrap {
    width: 100%;
  }
}