:root {
  --bg: #f6f4ef; --card: #ffffff; --ink: #1d1d1b; --muted: #5d5a53; --accent: #1f6f5c;
  --accent-ink: #ffffff; --line: #e2ded4; --ok: #1f7a3a; --err: #a12a2a; --note-bg: #fff7e0;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 18px/1.55 -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px;
  background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; color: var(--accent); text-decoration: none; font-size: 18px; }
h1 { font-size: 26px; line-height: 1.25; margin: 8px 0 16px; }
h2 { font-size: 21px; margin: 24px 0 8px; }
a { color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin: 16px 0; }
.label { margin: 0 0 4px; color: var(--muted); font-size: 16px; }
.goal-title { font-size: 21px; font-weight: 600; margin: 0 0 12px; }
label { display: block; margin: 12px 0 6px; font-weight: 600; }
input, textarea { width: 100%; font: inherit; padding: 12px; border: 1px solid #b9b3a5; border-radius: 10px; background: #fff; }
input[type=file] { padding: 10px 0; border: 0; }
button.main, a.main { display: block; width: 100%; min-height: 52px; margin-top: 16px; padding: 12px 16px;
  font: inherit; font-weight: 600; text-align: center; text-decoration: none; cursor: pointer;
  color: var(--accent-ink); background: var(--accent); border: 0; border-radius: 12px; }
button.link { background: none; border: 0; color: var(--accent); font: inherit; min-height: 48px; cursor: pointer; }
.lessons { list-style: none; padding: 0; margin: 0; }
.lesson { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--line); }
.lesson a, .lesson span { min-height: 28px; }
.lesson small { flex-basis: 100%; color: var(--muted); font-size: 16px; padding-left: 30px; }
.lesson .icon { width: 20px; text-align: center; }
.lesson.locked_date, .lesson.locked_stop, .lesson.expired { color: var(--muted); }
.video { position: relative; padding-top: 56.25%; margin: 12px 0; border-radius: 12px; overflow: hidden; background: #000; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.ok { color: var(--ok); font-weight: 600; }
.error { color: var(--err); font-weight: 600; }
.note { background: var(--note-bg); padding: 10px 12px; border-radius: 10px; }
table { width: 100%; border-collapse: collapse; }
td, th { text-align: left; padding: 10px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }