/* ficusAI UI kit — порт docs/design-system/_reference/use-cases/assets/kit.css.
   Подключается после colors_and_type.css. Использует токены оттуда.
   Лейаут-переменные ниже относятся к фрейму страниц, не к brand-tokens. */

:root {
  --sidebar-w:   240px;
  --toolbar-h:   56px;
  --header-h:    72px;
  --content-max: 1200px;
  --rail-w:      320px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--fg-1);
  font: var(--body);
  min-height: 100vh;
}

button { font: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; }

/* ---------- App shell ---------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  background: #fff;
  border-right: 1px solid var(--hairline);
  display: flex; flex-direction: column;
  padding: 20px 14px;
  gap: 4px;
  position: sticky; top: 0;
  height: 100vh;
}
.sidebar .brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px 18px;
}
.sidebar .brand img { width: 28px; height: 28px; }
.sidebar .brand .wm { font: 600 18px/1 var(--font-sans); color: var(--graphite); letter-spacing: -0.01em; }
.sidebar .brand .wm .pro { color: var(--ink-3); font-weight: 400; }
.sidebar .group-label {
  font: var(--micro); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-3); padding: 14px 10px 6px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--fg-2); font: var(--body-sm);
  text-decoration: none; border: none; background: transparent;
  width: 100%; text-align: left;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-item:hover { background: var(--bg-recessed); color: var(--fg-1); }
.nav-item.active { background: var(--ficus-leaf-tint); color: var(--ficus-leaf-deep); font-weight: 500; }
.nav-item .icon { width: 18px; height: 18px; stroke-width: 1.5; }
.nav-item .count { margin-left: auto; font: var(--caption); color: var(--fg-3); }
.nav-item.active .count { color: var(--ficus-leaf); }

.sidebar .me {
  margin-top: auto; padding: 12px 10px 0;
  border-top: 1px solid var(--hairline);
  display: flex; align-items: center; gap: 10px;
}
.sidebar .me .ava { width: 32px; height: 32px; border-radius: 999px; background: var(--ficus-leaf); color: var(--fg-on-leaf); display: inline-flex; align-items: center; justify-content: center; font: 600 13px/1 var(--font-sans); }
.sidebar .me .name { font: var(--body-sm); color: var(--fg-1); }
.sidebar .me .role { font: var(--caption); color: var(--fg-3); }

/* ---------- Main content ---------- */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: var(--toolbar-h);
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
  display: flex; align-items: center; gap: 12px;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 5;
}
.topbar h1 { margin: 0; font: var(--h3); }
.topbar .spacer { flex: 1; }
.search {
  display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-sm); padding: 6px 10px;
  width: 280px;
}
.search input { border: none; outline: none; background: transparent; font: var(--body-sm); width: 100%; color: var(--fg-1); }
.search .icon { width: 16px; height: 16px; color: var(--fg-3); stroke-width: 1.5; }
.icon-btn {
  width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); border: 1px solid transparent; background: transparent; color: var(--fg-2);
  position: relative;
}
.icon-btn:hover { background: var(--bg-recessed); }
.icon-btn .dot { position: absolute; top: 8px; right: 8px; width: 6px; height: 6px; border-radius: 999px; background: var(--ochre); }

.content { padding: 28px; max-width: var(--content-max); }
.content.wide { max-width: none; }

/* ---------- Buttons ---------- */
.btn {
  font: 500 15px/1 var(--font-sans); padding: 0 18px; height: 40px;
  border-radius: var(--radius-md); border: 1px solid transparent;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease);
  text-decoration: none;
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn .icon { width: 16px; height: 16px; stroke-width: 1.5; }
.btn-primary { background: var(--ficus-leaf); color: var(--fg-on-leaf); }
.btn-primary:hover { background: var(--ficus-leaf-deep); }
.btn-secondary { background: #fff; color: var(--fg-1); border-color: var(--hairline-strong); }
.btn-secondary:hover { background: var(--bg-recessed); }
.btn-ghost { background: transparent; color: var(--fg-1); }
.btn-ghost:hover { background: var(--bg-recessed); }
.btn-ochre { background: var(--ochre); color: var(--fg-on-ochre); }
.btn-ochre:hover { background: #B0822F; }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-icon { padding: 0; width: 36px; }

/* ---------- Card ---------- */
.card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin: 0 0 12px; }

/* ---------- Lesson row ---------- */
.lesson {
  display: grid; grid-template-columns: 80px 1fr auto auto; gap: 16px;
  align-items: center; padding: 14px 0; border-bottom: 1px solid var(--hairline);
}
.lesson:last-child { border-bottom: none; }
.lesson .time { font: 600 18px/1 var(--font-sans); font-variant-numeric: tabular-nums; color: var(--fg-1); }
.lesson .time .end { display: block; font: var(--caption); color: var(--fg-3); margin-top: 4px; font-weight: 400; }
.lesson .who { display: flex; align-items: center; gap: 12px; }
.lesson .ava { width: 36px; height: 36px; border-radius: 999px; background: var(--ficus-leaf-tint); color: var(--ficus-leaf-deep); display: inline-flex; align-items: center; justify-content: center; font: 600 13px/1 var(--font-sans); }
.lesson .name { font: 500 15px/1.3 var(--font-sans); }
.lesson .meta { font: var(--caption); color: var(--fg-3); }

/* ---------- Stat / KPI ---------- */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat .label { font: var(--micro); text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-3); }
.stat .num { font: 600 36px/1 var(--font-sans); font-variant-numeric: tabular-nums; }
.stat .delta { font: var(--body-sm); color: var(--fg-3); }
.stat .delta.up { color: #2F5E27; }

/* Микро-метка над полем (.label-micro) — используется в формах онбординга */
.label-micro { font: var(--micro); text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-3); }

/* ---------- Badge ---------- */
.badge {
  font: 500 12px/1 var(--font-sans); letter-spacing: 0.02em;
  padding: 5px 10px; border-radius: var(--radius-pill);
  display: inline-flex; align-items: center; gap: 6px;
}
.badge .dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }
.b-leaf { background: var(--ficus-leaf-tint); color: var(--ficus-leaf-deep); }
.b-ochre { background: var(--ochre-soft); color: #6B4514; }
.b-paid { background: #E8EFE5; color: #2F5E27; }
.b-pending { background: var(--ochre-soft); color: #6B4514; }
.b-warn { background: #F4DCD8; color: #6B2520; }
.b-neutral { background: var(--kraft); color: var(--fg-2); }

/* ---------- Chip ---------- */
.chip { font: var(--body-sm); padding: 6px 12px; border: 1px solid var(--hairline-strong); border-radius: var(--radius-pill); background: #fff; color: var(--fg-1); transition: all var(--dur) var(--ease); cursor: pointer; }
.chip:hover { background: var(--bg-recessed); }
.chip.on { background: var(--ficus-leaf); color: var(--fg-on-leaf); border-color: var(--ficus-leaf); }

/* ---------- Inputs ---------- */
.input, .select, .textarea {
  font: var(--body); color: var(--fg-1); background: #fff;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-sm); padding: 10px 12px;
  width: 100%;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--ficus-leaf); box-shadow: 0 0 0 2px var(--focus-ring); }

/* ---------- Section divider ---------- */
.divider-branch { display: block; width: 100%; max-width: 320px; opacity: 0.45; margin: 24px 0; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--hairline); margin-bottom: 18px; }
.tab { background: transparent; border: none; padding: 10px 14px; font: var(--body-sm); color: var(--fg-3); position: relative; cursor: pointer; }
.tab:hover { color: var(--fg-1); }
.tab.on { color: var(--ficus-leaf-deep); font-weight: 500; }
.tab.on::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: -1px; height: 2px; background: var(--ficus-leaf); }

/* ---------- Page heading ---------- */
.page-head { display: flex; align-items: end; justify-content: space-between; margin-bottom: 20px; }
.page-head h2 { margin: 0; font: var(--h2); letter-spacing: -0.01em; }
.page-head .sub { font: var(--body-sm); color: var(--fg-3); margin-top: 2px; }

/* ---------- Two-column layout ---------- */
.two-col { display: grid; grid-template-columns: 1fr var(--rail-w); gap: 24px; align-items: start; }

/* ---------- Lesson room (full-bleed dark) ---------- */
.room { display: grid; grid-template-columns: 1fr 360px; height: 100vh; background: var(--ficus-leaf-deep); color: #F4EFE6; }
.room .stage { padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.room .stage .video { flex: 1; background: #0d2a22; border-radius: var(--radius-lg); border: 1px solid rgba(244, 239, 230, 0.08); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.room .stage .video .placeholder { font: var(--body-sm); color: rgba(244, 239, 230, 0.5); }
.room .stage .video .self { position: absolute; bottom: 16px; right: 16px; width: 160px; height: 100px; background: #0a201a; border: 1px solid rgba(244, 239, 230, 0.12); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font: var(--caption); color: rgba(244,239,230,0.5); }
.room .stage .controls { display: flex; gap: 10px; align-items: center; justify-content: center; padding: 12px; background: rgba(0,0,0,0.2); border-radius: var(--radius-pill); align-self: center; backdrop-filter: blur(4px); }
.room .stage .controls .icon-btn-dark { width: 44px; height: 44px; border-radius: 999px; background: rgba(244, 239, 230, 0.08); border: 1px solid rgba(244, 239, 230, 0.12); color: #F4EFE6; display: inline-flex; align-items: center; justify-content: center; }
.room .stage .controls .icon-btn-dark.danger { background: var(--danger); border-color: var(--danger); }
.room .stage .controls .icon-btn-dark.danger:hover { background: #8A3F36; }
.room .panel { background: rgba(244, 239, 230, 0.04); border-left: 1px solid rgba(244, 239, 230, 0.08); display: flex; flex-direction: column; }
.room .panel .head { padding: 18px 20px; border-bottom: 1px solid rgba(244, 239, 230, 0.08); display: flex; align-items: center; gap: 10px; }
.room .panel .head .ava { width: 32px; height: 32px; border-radius: 999px; background: var(--ochre); color: var(--graphite); display: inline-flex; align-items: center; justify-content: center; font: 600 13px/1 var(--font-sans); }
.room .panel .body { padding: 20px; flex: 1; overflow: auto; display: flex; flex-direction: column; gap: 14px; }
.room .panel .note { font: var(--caption); color: rgba(244, 239, 230, 0.5); text-transform: uppercase; letter-spacing: 0.08em; }
.room .panel .msg { background: rgba(244, 239, 230, 0.06); border-radius: var(--radius-md); padding: 10px 12px; font: var(--body-sm); align-self: flex-start; max-width: 80%; }
.room .panel .msg.me { align-self: flex-end; background: var(--ficus-leaf-soft); }
.room .panel .composer { padding: 14px 20px; border-top: 1px solid rgba(244, 239, 230, 0.08); }
.room .panel .composer input { width: 100%; background: rgba(244, 239, 230, 0.06); border: 1px solid rgba(244, 239, 230, 0.12); color: #F4EFE6; padding: 10px 12px; border-radius: var(--radius-sm); font: var(--body-sm); outline: none; }

/* market footer */
footer.foot { background: var(--paper-warm); border-top: 1px solid var(--hairline); padding: var(--space-8) 28px var(--space-6); margin-top: var(--space-8); }
footer.foot .foot-grid { max-width: var(--content-max); margin: 0 auto; display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-6); }
footer.foot .foot-mark { display: inline-flex; align-items: center; gap: var(--space-2); text-decoration: none; color: var(--fg-1); font: 600 18px/1 var(--font-sans); }
footer.foot .foot-tagline { font: var(--body-sm); color: var(--fg-3); margin: var(--space-3) 0 0; max-width: 280px; }
footer.foot .foot-col h4 { font: 500 13px/1 var(--font-sans); text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-3); margin: 0 0 var(--space-4); }
footer.foot .foot-col a,
footer.foot .foot-logout button { display: block; color: var(--fg-2); text-decoration: none; font: var(--body-sm); margin-bottom: var(--space-2); background: none; border: 0; padding: 0; cursor: pointer; text-align: left; font-family: var(--font-sans); transition: color var(--dur-fast) var(--ease); }
footer.foot .foot-col a:hover,
footer.foot .foot-logout button:hover { color: var(--fg-1); }
footer.foot .foot-bottom { max-width: var(--content-max); margin: var(--space-7) auto 0; padding-top: var(--space-5); border-top: 1px solid var(--hairline); display: flex; justify-content: space-between; align-items: center; color: var(--fg-3); font: var(--caption); }
footer.foot .foot-legal { display: flex; gap: var(--space-5); }
footer.foot .foot-legal a { color: var(--fg-3); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
footer.foot .foot-legal a:hover { color: var(--fg-1); }
@media (max-width: 720px) {
    footer.foot .foot-grid { grid-template-columns: 1fr 1fr; }
    footer.foot .foot-bottom { flex-direction: column; gap: var(--space-3); align-items: flex-start; }
}