:root {
  --page-top: #f6ead7;
  --page-bottom: #e7f1de;
  --panel: rgba(255, 251, 245, 0.9);
  --panel-strong: #fff8ef;
  --ink: #2b2c26;
  --muted: #66614f;
  --accent: #cc6b49;
  --accent-shadow: #a04d31;
  --accent-soft: #f4d5c8;
  --outline: #304c3d;
  --success: #2f6a43;
  --success-bg: #dff3df;
  --error: #8b2e2e;
  --error-bg: #f8dddd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.55), transparent 28%),
    linear-gradient(180deg, var(--page-top), var(--page-bottom));
  color: var(--ink);
  font-family: "Trebuchet MS", "Verdana", sans-serif;
}

.app-shell {
  width: min(94vw, 760px);
  padding: 28px;
  border: 4px solid var(--outline);
  border-radius: 30px;
  background: var(--panel);
  box-shadow: 0 24px 60px rgba(48, 76, 61, 0.18);
}

.hero {
  margin-bottom: 22px;
}

.eyebrow,
.section-label,
.definition-label,
.stat-label {
  margin: 0 0 6px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  line-height: 0.95;
}

.intro {
  max-width: 38rem;
  margin-bottom: 0;
  font-size: 1.05rem;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  padding: 14px 16px;
  border: 3px solid var(--outline);
  border-radius: 18px;
  background: var(--panel-strong);
  text-align: center;
}

.stat-card strong {
  font-size: 2rem;
}

.practice-card {
  padding: 24px;
  border: 4px solid var(--outline);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent),
    var(--panel-strong);
}

.contact-card {
  margin-top: 20px;
  padding: 24px;
  border: 4px solid var(--outline);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.45), transparent),
    #f8f0e4;
}

.card-header,
.button-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.card-header {
  margin-bottom: 20px;
}

.definition-panel {
  margin-bottom: 22px;
  padding: 18px;
  border-radius: 20px;
  background: #f4efe3;
  border: 2px dashed rgba(48, 76, 61, 0.45);
}

.controls-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.control-group {
  flex: 1;
}

.word-bank-summary {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
  text-align: right;
}

.contact-text,
.contact-email {
  color: var(--muted);
}

.contact-email {
  margin-bottom: 0;
}

.contact-email a {
  color: var(--accent-shadow);
  font-weight: 700;
}

.debug-status {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #ede8d6;
  color: var(--ink);
  font-size: 0.95rem;
}

.category-chip {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(48, 76, 61, 0.12);
  color: var(--outline);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.definition-text {
  margin-bottom: 0;
  font-size: 1.15rem;
  line-height: 1.6;
}

.spelling-form {
  display: grid;
  gap: 14px;
}

.input-label {
  font-weight: 700;
}

input {
  width: 100%;
  padding: 14px 16px;
  border: 3px solid var(--outline);
  border-radius: 16px;
  font: inherit;
  font-size: 1.05rem;
  background: #fffdf8;
  color: var(--ink);
}

select {
  width: 100%;
  padding: 14px 16px;
  border: 3px solid var(--outline);
  border-radius: 16px;
  font: inherit;
  font-size: 1rem;
  background: #fffdf8;
  color: var(--ink);
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(204, 107, 73, 0.35);
  outline-offset: 2px;
}

button {
  border: 3px solid var(--outline);
  border-radius: 999px;
  padding: 11px 18px;
  background: var(--accent);
  color: #fffaf4;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 0 var(--accent-shadow);
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
}

button:hover,
button:focus-visible {
  transform: translateY(1px);
  box-shadow: 0 5px 0 var(--accent-shadow);
  filter: saturate(1.05);
}

button:active {
  transform: translateY(3px);
  box-shadow: 0 3px 0 var(--accent-shadow);
}

.secondary-button {
  background: var(--accent-soft);
  color: var(--ink);
  box-shadow: 0 6px 0 #d5ab97;
}

.secondary-button:hover,
.secondary-button:focus-visible {
  box-shadow: 0 5px 0 #d5ab97;
}

.secondary-button:active {
  box-shadow: 0 3px 0 #d5ab97;
}

.feedback-message {
  min-height: 1.6em;
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 700;
}

.feedback-message[data-state="success"] {
  color: var(--success);
  background: var(--success-bg);
}

.feedback-message[data-state="error"] {
  color: var(--error);
  background: var(--error-bg);
}

.feedback-message[data-state="info"] {
  color: var(--ink);
  background: #ede8d6;
}

@media (max-width: 720px) {
  .app-shell,
  .practice-card,
  .contact-card {
    padding: 18px;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .controls-row,
  .card-header,
  .button-row {
    flex-direction: column;
    align-items: stretch;
  }

  .word-bank-summary {
    text-align: left;
  }
}