/* Онбординг-портал ОП mymeet.ai — дизайн-система mymeet v2 */
:root {
  --blue: #0138C7;
  --blue-hover: #0032B1;
  --blue-pressed: #002C9C;
  --blue-disabled: #809BE3;
  --blue-sea: #E4ECFA;
  --blue-lightest: #F6F8FE;
  --text-primary: #212833;
  --text-secondary: #818AA3;
  --text-tertiary: #585E6C;
  --text-disabled: #C7C8CA;
  --surface-page: #FFFFFF;
  --surface-light: #FAFAFA;
  --surface-subtle: #F7F7F8;
  --border-default: #EFEFEF;
  --border-strong: #DDDEDF;
  --danger: #CC3333;
  --success: #0D9655;
  --orange: #FF9E2C;
  --purple: #8A38F5;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  font-family: Inter, -apple-system, system-ui, sans-serif;
  color: var(--text-primary);
  background: var(--surface-page);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.26px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- типографика ---------- */
.t-12 { font-size: 12px; font-weight: 400; letter-spacing: -0.24px; color: var(--text-secondary); }
.t-12m { font-size: 12px; font-weight: 500; letter-spacing: -0.24px; }
.t-13 { font-size: 13px; font-weight: 500; letter-spacing: -0.26px; }
.t-14 { font-size: 14px; font-weight: 400; letter-spacing: -0.28px; line-height: 135%; }
.t-16 { font-size: 16px; font-weight: 500; letter-spacing: -0.32px; }
.t-20 { font-size: 20px; font-weight: 500; letter-spacing: -0.4px; }
.t-24 { font-size: 24px; font-weight: 500; letter-spacing: -0.48px; }
.t-32 { font-size: 32px; font-weight: 600; letter-spacing: -0.64px; }
.muted { color: var(--text-secondary); }
.success { color: var(--success); }
.danger { color: var(--danger); }

/* ---------- каркас ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 280px; min-width: 280px;
  border-right: 1px solid var(--border-default);
  padding: 24px 16px;
  display: flex; flex-direction: column; gap: 24px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  background: var(--surface-page);
}

.logo { display: flex; align-items: center; gap: 8px; padding: 0 8px; flex-wrap: wrap; }
.logo-mark {
  width: 24px; height: 24px; border-radius: 4px;
  background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.logo-name { font-size: 14px; font-weight: 500; }
.logo-sub { font-size: 12px; font-weight: 400; color: var(--text-secondary); }

.nav-group { display: flex; flex-direction: column; gap: 2px; }
.nav-label { padding: 0 8px 6px; font-size: 12px; font-weight: 500; color: var(--text-secondary); }

.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px; border-radius: 4px; cursor: pointer;
  color: var(--text-primary); font-size: 13px; font-weight: 500;
  border: none; background: none; width: 100%; text-align: left;
  font-family: inherit; letter-spacing: -0.26px;
}
.nav-item:hover { background: var(--surface-subtle); }
.nav-item.active { background: var(--blue-lightest); color: var(--blue); }
.nav-item.locked { color: var(--text-disabled); cursor: default; }
.nav-item.locked:hover { background: none; }
.nav-item .icon { flex: none; }
.nav-item .nav-meta { margin-left: auto; font-size: 12px; color: var(--text-secondary); }
.nav-item.locked .nav-meta { color: var(--text-disabled); }

.main { flex: 1; min-width: 0; background: var(--surface-page); }
.content { max-width: 860px; margin: 0 auto; padding: 40px 40px 80px; }

/* ---------- компоненты ---------- */
.card {
  background: var(--surface-page);
  border: 1px solid var(--border-default);
  border-radius: 4px; padding: 24px;
}
.card + .card { margin-top: 12px; }
.card-compact { padding: 16px; }

.banner {
  background: var(--blue-lightest); border-radius: 4px;
  padding: 12px 16px; display: flex; gap: 12px; align-items: flex-start;
}
.banner .t-14 { color: var(--text-tertiary); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 16px; border-radius: 4px;
  font-family: inherit; font-size: 13px; font-weight: 500; letter-spacing: -0.26px;
  cursor: pointer; border: none;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); }
.btn-primary:active { background: var(--blue-pressed); }
.btn-primary:disabled { background: var(--blue-disabled); cursor: default; }
.btn-secondary { background: var(--surface-page); color: var(--text-primary); border: 1px solid var(--border-strong); }
.btn-secondary:hover { background: var(--surface-light); }
.btn-secondary:active { background: var(--surface-subtle); }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 9999px;
  border: 1px solid var(--border-default);
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  background: var(--surface-page);
}
.badge.done { color: var(--success); border-color: var(--success); }
.badge.blue { color: var(--blue); border-color: var(--blue-sea); background: var(--blue-lightest); }

.progress-track { height: 6px; border-radius: 9999px; background: var(--blue-sea); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 9999px; background: var(--blue); }

.divider { height: 1px; background: var(--border-default); margin: 24px 0; }

/* ---------- уроки ---------- */
.lesson-body { font-size: 14px; font-weight: 400; letter-spacing: -0.28px; line-height: 150%; color: var(--text-primary); }
.lesson-body p { margin: 0 0 12px; }
.lesson-body h3 { font-size: 16px; font-weight: 500; margin: 24px 0 8px; }
.lesson-body ul, .lesson-body ol { margin: 0 0 12px; padding-left: 20px; }
.lesson-body li { margin-bottom: 6px; }
.lesson-body table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 13px; }
.lesson-body th, .lesson-body td { border: 1px solid var(--border-default); padding: 8px 12px; text-align: left; vertical-align: top; }
.lesson-body th { font-weight: 500; color: var(--text-secondary); background: var(--surface-light); font-size: 12px; }
.lesson-body td { font-weight: 400; }
.lesson-body strong, .lesson-body b { font-weight: 500; }
.lesson-body blockquote {
  border-left: 2px solid var(--blue); padding: 4px 0 4px 16px; margin: 12px 0;
  color: var(--text-tertiary);
}
.lesson-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px;
  background: var(--surface-subtle); padding: 1px 6px; border-radius: 4px;
}
.lesson-body pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; line-height: 170%;
  background: var(--surface-subtle); border: 1px solid var(--border-default); border-radius: 4px;
  padding: 12px 16px; margin: 12px 0; white-space: pre-wrap;
}
.lesson-body .note {
  background: var(--blue-lightest); border-radius: 4px; padding: 12px 16px; margin: 12px 0;
  font-size: 13px;
}

.lesson-steps { display: flex; flex-wrap: wrap; gap: 4px; margin: 16px 0 24px; }
.lesson-step {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 9999px; cursor: pointer;
  border: 1px solid var(--border-default); background: var(--surface-page);
  font-family: inherit; font-size: 12px; font-weight: 500; letter-spacing: -0.24px;
  color: var(--text-secondary);
}
.lesson-step:hover { background: var(--surface-light); }
.lesson-step.active { border-color: var(--blue); color: var(--blue); }
.lesson-step.done { color: var(--success); }
.lesson-step.locked { color: var(--text-disabled); }

/* ---------- квиз ---------- */
.quiz-q { margin-bottom: 24px; }
.quiz-q-title { font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.quiz-options { display: flex; flex-direction: column; gap: 6px; }
.quiz-option {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 12px; border: 1px solid var(--border-default); border-radius: 4px;
  cursor: pointer; font-size: 13px; font-weight: 400; letter-spacing: -0.26px;
  background: var(--surface-page); text-align: left; font-family: inherit; width: 100%;
  color: var(--text-primary); line-height: 140%;
}
.quiz-option:hover { background: var(--surface-light); }
.quiz-option.selected { border-color: var(--blue); }
.quiz-option.selected .radio { border-color: var(--blue); }
.quiz-option.selected .radio::after { content: ""; width: 8px; height: 8px; border-radius: 9999px; background: var(--blue); }
.quiz-option.correct { border-color: var(--success); }
.quiz-option.wrong { border-color: var(--danger); }
.quiz-option:disabled { cursor: default; }
.quiz-option:disabled:hover { background: var(--surface-page); }
.radio {
  flex: none; width: 16px; height: 16px; margin-top: 1px; border-radius: 9999px;
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
}
.quiz-explain { margin-top: 8px; font-size: 12px; font-weight: 400; color: var(--text-tertiary); padding-left: 2px; }

.quiz-result-num { font-size: 32px; font-weight: 600; letter-spacing: -0.64px; font-variant-numeric: tabular-nums; }

/* ---------- чеклисты ---------- */
.check-row {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 8px; border-radius: 4px; cursor: pointer;
}
.check-row:hover { background: var(--surface-light); }
.check-row input { display: none; }
.checkbox {
  flex: none; width: 16px; height: 16px; margin-top: 1px; border-radius: 2px;
  border: 1px solid var(--border-strong); background: var(--surface-page);
  display: flex; align-items: center; justify-content: center;
}
.check-row.checked .checkbox { background: var(--blue); border-color: var(--blue); }
.check-row .check-label { font-size: 13px; font-weight: 400; line-height: 140%; }
.check-row.checked .check-label { color: var(--text-secondary); }

/* ---------- поля ---------- */
.input, textarea.input {
  width: 100%; border: 1px solid var(--border-strong); border-radius: 4px;
  padding: 8px 12px; font-family: inherit; font-size: 13px; font-weight: 400;
  letter-spacing: -0.26px; color: var(--text-primary); background: var(--surface-page);
  resize: vertical;
}
.input:focus { outline: none; border-color: var(--blue); }
.input::placeholder { color: var(--text-disabled); }

/* ---------- модалка ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(33, 40, 51, 0.4);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 24px;
}
.modal {
  background: var(--surface-page); border-radius: 4px; max-width: 560px; width: 100%;
  padding: 24px; box-shadow: 0 8px 32px rgba(33, 40, 51, 0.16);
  max-height: 90vh; overflow-y: auto;
}

/* ---------- таймер ---------- */
.timer {
  font-variant-numeric: tabular-nums; font-size: 16px; font-weight: 500;
  padding: 6px 12px; border: 1px solid var(--border-default); border-radius: 4px;
}
.timer.low { color: var(--danger); border-color: var(--danger); }

/* ---------- сетки ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row { display: flex; align-items: center; gap: 12px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.stack-8 { display: flex; flex-direction: column; gap: 8px; }
.stack-16 { display: flex; flex-direction: column; gap: 16px; }
.stack-24 { display: flex; flex-direction: column; gap: 24px; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }

.dot-blue { display: inline-block; width: 8px; height: 8px; border-radius: 9999px; background: var(--blue); }
.icon { width: 16px; height: 16px; fill: var(--text-secondary); }
.icon-blue { fill: var(--blue); }
.icon-green { fill: var(--success); }
.icon-disabled { fill: var(--text-disabled); }

@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; min-width: 0; height: auto; position: static; border-right: none; border-bottom: 1px solid var(--border-default); }
  .content { padding: 24px 16px 64px; }
  .grid-2 { grid-template-columns: 1fr; }
}