/* Черно-белая тема (монохром) */
:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #6b6b6b;
  --border: #d9d9d9;
  --elev-1: #f6f6f6;
  --elev-2: #ededed;
  --accent: #000000;
  --bar-py: 10px; /* legacy, не используется для высоты */
  --bar-px: 16px;
  --bar-h: 56px; /* единая высота верхней полосы */
  --container-w: 1120px;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font: 14px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 260px;
  border-right: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.brand {
  padding: 0 var(--bar-px);
  min-height: var(--bar-h);
  font-weight: 700;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.nav {
  padding: 12px 8px;
  overflow: auto;
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  width: 100%;
  display: block;
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--fg);
  text-decoration: none;
  border: 1px solid transparent;
}

.nav-link:hover {
  background: var(--elev-1);
}

.nav-link.active {
  border-color: var(--fg);
}

.has-children > .collapsible {
  background: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.has-children > .collapsible[aria-expanded="true"] {
  border-color: var(--fg);
}

.subnav {
  padding-left: 12px;
  margin: 6px 0 8px;
  border-left: 1px dashed var(--border);
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--border);
}

.role-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
}

.role-select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
}

.main {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 0 var(--bar-px);
  min-height: var(--bar-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.topbar-title {
  font-weight: 600;
}

.icon-button {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
}

.icon-button:hover {
  background: var(--elev-1);
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--elev-1);
}

.content {
  padding: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  background: var(--bg);
}

.panel {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.muted {
  color: var(--muted);
}

.role-examples {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.role-block {
  padding: 10px;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

/* Скрытие блоков по роли (демо) */
.role-hidden {
  display: none !important;
}

/* Адаптивность */
@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .role-examples { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .sidebar { transform: translateX(-100%); transition: transform 200ms ease; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .cards { grid-template-columns: 1fr; }
  .role-examples { grid-template-columns: 1fr; }
}

/* ===== Auth (login) ===== */
.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
}

.auth {
  width: 100%;
  padding: 20px;
}

.auth-card {
  max-width: 420px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
}

.auth-brand {
  border-bottom: 1px solid var(--border);
}

.auth-form {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.field label {
  display: block;
  margin-bottom: 6px;
}

.input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
}

.row {
  display: flex;
  gap: 12px;
  align-items: center;
}
.between { justify-content: space-between; }

.checkbox {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--elev-1);
  color: var(--fg);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
}
.button:hover { background: var(--elev-2); }
.button.primary { border-color: var(--fg); }
.button.full { width: 100%; }

.auth-meta {
  padding: 12px 16px 16px;
  border-top: 1px solid var(--border);
}

/* ===== Landing ===== */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 16px;
}

.row { display: flex; align-items: center; }
.row.center { align-items: center; }
.row.between { justify-content: space-between; }
.row.gap { gap: 12px; }

.lp-topbar {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.lp-nav { display: flex; gap: 12px; align-items: center; }

.hero {
  border-bottom: 1px solid var(--border);
  background: var(--elev-1);
}
.hero-inner {
  padding: 56px 0;
  text-align: left;
}
.lead { color: var(--muted); font-size: 16px; }

.section { padding: 32px 0; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

.ascii-logo {
  margin: 0;
  padding: 24px 16px; /* вытянул по высоте */
  border: 1px solid var(--border);
  border-radius: 60px 60px 5px 5px; /* купол сверху */
  background: var(--bg); /* убрал сетку */
  color: var(--fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 14px;
  line-height: 1.2;
  white-space: pre;
  cursor: pointer;
  position: relative;
  z-index: 0;
}

.hero-logo-col { display: flex; align-items: center; justify-content: center; }

.ascii-logo::after {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border: 1px solid var(--border);
  border-radius: 999px; /* небольшой кружок */
  background: var(--bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.cta .panel { text-align: center; }

.lp-footer {
  border-top: 1px solid var(--border);
  padding: 16px 0;
}

@media (max-width: 960px) {
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-logo-col { display: none; }
}

@media (max-width: 720px) {
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; }
}