:root {
  --td-bg: #f3eadc;
  --td-ink: #241c16;
  --td-accent: #1e5c45;
  --td-card: #fffaf3;
  --td-line: rgba(36, 28, 22, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Atkinson Hyperlegible", system-ui, sans-serif;
  background: var(--td-bg);
  color: var(--td-ink);
  line-height: 1.4;
}

.td-wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1rem 0.85rem 2.5rem;
}

.td-header h1 {
  margin: 0 0 0.25rem;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.65rem;
}

.td-sub {
  margin: 0 0 1rem;
  opacity: 0.85;
}

.td-card {
  background: var(--td-card);
  border: 2px solid var(--td-ink);
  border-radius: 1rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

.td-label {
  display: block;
  font-weight: 700;
  margin: 0.5rem 0 0.25rem;
}

.td-input {
  width: 100%;
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 2px solid var(--td-ink);
  border-radius: 0.65rem;
}

.td-btn {
  width: 100%;
  margin-top: 0.75rem;
  min-height: 2.85rem;
  border: 2px solid var(--td-ink);
  border-radius: 0.75rem;
  background: var(--td-accent);
  color: #fffaf3;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.td-btn-secondary {
  background: var(--td-card);
  color: var(--td-ink);
}

.td-error {
  color: #9b2c1a;
  font-weight: 700;
}

.td-student-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.td-student-list li {
  margin: 0 0 0.45rem;
}

.td-student-btn {
  width: 100%;
  text-align: left;
  padding: 0.75rem 0.85rem;
  border: 2px solid var(--td-line);
  border-radius: 0.75rem;
  background: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.td-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.td-toolbar .td-btn {
  width: auto;
  flex: 1;
  min-width: 7rem;
  margin-top: 0;
}

.td-chart-wrap {
  position: relative;
  width: 100%;
  height: 16rem;
  margin: 0.5rem 0 0.75rem;
}

.td-section-title {
  margin: 0.75rem 0 0.35rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.td-meta {
  font-size: 0.95rem;
  opacity: 0.9;
}

.td-word-day-list {
  margin: 0 0 0.75rem 1.1rem;
  padding: 0;
  font-size: 0.95rem;
}

.td-hidden {
  display: none !important;
}