:root {
  --bg: #f3efe6;
  --ink: #1c2430;
  --accent: #0f6b5c;
  --muted: #5a6570;
  --card: #fffdf8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d9efe8 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #f0e2c8 0%, transparent 50%),
    var(--bg);
}

.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 3rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.1;
}

.lede {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 32rem;
}

.meta {
  margin: 0;
  padding: 0.85rem 1rem;
  background: var(--card);
  border: 1px solid #e4ddd0;
  border-radius: 8px;
  font-size: 0.95rem;
}

code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
}

a { color: var(--accent); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e4ddd0;
  background: rgba(255, 253, 248, 0.75);
  backdrop-filter: blur(6px);
}

.brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.nav a { text-decoration: none; }

.nav-user {
  color: var(--muted);
  font-size: 0.9rem;
}

.inline { display: inline; margin: 0; }

.linkish {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  text-decoration: underline;
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 0 0 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.1rem;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-small { padding: 0.45rem 0.8rem; font-size: 0.9rem; }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.card-form {
  display: grid;
  gap: 1rem;
  max-width: 24rem;
  padding: 1.25rem;
  background: var(--card);
  border: 1px solid #e4ddd0;
  border-radius: 10px;
  margin: 0 0 1rem;
}

.card-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.card-form label.check {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.55rem;
  font-weight: 500;
  padding: 0.35rem 0;
}

.card-form label.check input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  flex-shrink: 0;
}

.card-form input,
.card-form select {
  padding: 0.6rem 0.7rem;
  border: 1px solid #d5cec0;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: #fde8e4;
  color: #8a2f1f;
  border: 1px solid #f0c4bb;
  max-width: 24rem;
}

.notice {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: #e6f3ee;
  color: #1f5c4a;
  border: 1px solid #b9d9cd;
  max-width: 28rem;
}

.meta-list {
  margin: 0;
  padding: 1rem;
  background: var(--card);
  border: 1px solid #e4ddd0;
  border-radius: 8px;
}

.meta-list div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 0.5rem;
  padding: 0.35rem 0;
}

.meta-list dt {
  margin: 0;
  color: var(--muted);
}

.meta-list dd { margin: 0; }

.card-form.wide { max-width: 28rem; }

fieldset.check-grid {
  border: 1px solid #e4ddd0;
  border-radius: 8px;
  padding: 0.75rem 1rem 1rem;
  margin: 0;
}

.check-grid legend {
  padding: 0 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.check {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0;
  font-weight: 500;
}

.section-title {
  margin: 1.75rem 0 0.75rem;
  font-size: 1.15rem;
}

.subject-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.subject-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--card);
  border: 1px solid #e4ddd0;
  border-radius: 8px;
}

.pill {
  font-size: 0.8rem;
  color: var(--accent);
  background: #e7f4f0;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.field-hint {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 400;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid #e4ddd0;
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.95rem;
}

.table th,
.table td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid #ebe4d8;
  vertical-align: top;
}

.table th {
  background: #f7f2e8;
  font-weight: 600;
}

.table tr:last-child td { border-bottom: none; }

.table a { word-break: break-all; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 0 0 1.25rem;
}

.status-active { color: var(--accent); }
.status-broken { color: #8a2f1f; }
.status-draft { color: var(--muted); }

.admin-wrap { max-width: 56rem; }

.lesson-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.lesson-item {
  padding: 1rem 1.1rem;
  background: var(--card);
  border: 1px solid #e4ddd0;
  border-radius: 10px;
}

.lesson-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.35rem;
}

.lesson-meta {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.start-form { margin: 0; }

.lesson-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.report-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
}

.inline-field {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.inline-field select {
  padding: 0.35rem 0.45rem;
  border: 1px solid #d5cec0;
  border-radius: 6px;
  font: inherit;
}

.lesson-item.is-done {
  opacity: 0.92;
  border-color: #cfe6df;
}

.pill.result-correct { background: #e7f4f0; color: var(--accent); }
.pill.result-incorrect { background: #fde8e4; color: #8a2f1f; }
.pill.result-skipped { background: #f0eee8; color: var(--muted); }

.btn.result-correct { background: var(--accent); }
.btn.result-incorrect { background: #a94436; }

.report-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.recommend {
  margin-top: 0.5rem;
  padding: 0.85rem 1rem;
  background: #eef7f4;
  border: 1px solid #cfe6df;
  border-radius: 8px;
}

.recommend p {
  margin: 0.35rem 0 0;
  color: var(--ink);
  line-height: 1.45;
}

.pill.flag-suspicious_fast,
.pill.flag-never_opened,
.pill.flag-implausibly_slow {
  background: #fff3cd;
  color: #7a5b00;
}

.lesson-item .card-form.wide {
  margin-top: 0.75rem;
  max-width: none;
}

.progress-bar {
  height: 0.65rem;
  background: #e4ddd0;
  border-radius: 999px;
  overflow: hidden;
  margin: 0 0 1rem;
  max-width: 28rem;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.diag-quota {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--accent);
}

.today-slot {
  border-color: var(--accent) !important;
  box-shadow: inset 3px 0 0 var(--accent);
}