/* ============================================================
   Neo-01 — Layout (sidebar + header + main)
   ============================================================ */

/* ─── APP GRID ────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas: "sidebar header" "sidebar main";
  height: 100vh;
}

@media (max-width: 860px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-areas: "header" "main";
  }
  .sb { display: none; }
}

/* ─── HEADER ──────────────────────────────────────────────── */
.hdr {
  grid-area: header;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.hdr-search {
  position: relative;
  flex: 1;
  max-width: 480px;
}
.hdr-search input {
  width: 100%;
  height: 36px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 88px 0 38px;
  font-size: 13.5px;
  transition: var(--tr-fast);
}
.hdr-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.hdr-search-icon {
  position: absolute;
  left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--ink-4);
  pointer-events: none;
}
.hdr-search kbd {
  position: absolute;
  right: 10px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--surface-2);
  color: var(--ink-3);
  border-radius: 4px;
  padding: 2px 6px;
}
.hdr-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hdr-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 6px;
}
.hdr-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 4px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--tr-fast);
}
.hdr-user:hover { background: var(--surface-2); }
.hdr-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hdr-user-name {
  font-size: 13px; font-weight: 600; color: var(--ink);
  letter-spacing: -0.01em;
}
.hdr-user-role {
  font-size: 10.5px; font-weight: 500;
  text-transform: uppercase;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

/* ─── SIDEBAR ─────────────────────────────────────────────── */
.sb {
  grid-area: sidebar;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sb-brand {
  height: var(--header-h);
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sb-brand-logo {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  font-family: var(--font-mono);
}
.sb-brand-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.sb-company {
  padding: 14px 14px 6px;
  border-bottom: 1px solid var(--border);
}
.sb-company-btn {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  transition: var(--tr-fast);
}
.sb-company-btn:hover { border-color: var(--border-strong); }
.sb-company-icon {
  width: 20px; height: 20px;
  border-radius: 5px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sb-company-name {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sb-company-chev { color: var(--ink-4); flex-shrink: 0; }
.sb-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px;
}
.sb-section-label {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--ink-4);
  letter-spacing: 0.08em;
  padding: 14px 10px 6px;
}
.sb-nav { display: flex; flex-direction: column; gap: 1px; }
.sb-nav li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13.5px;
  color: var(--ink-2);
  cursor: pointer;
  transition: var(--tr-fast);
}
.sb-nav li:hover { background: var(--surface-2); }
.sb-nav li.active {
  background: var(--card);
  color: var(--ink);
  font-weight: 500;
  box-shadow: var(--shadow-xs);
}
.sb-nav li.active .sb-icon { color: var(--accent); }
.sb-nav li.has-sub::after {
  content: '▾';
  margin-left: auto;
  font-size: 10px;
  color: var(--ink-4);
  transition: transform .2s;
}
.sb-nav li.has-sub.expanded::after { transform: rotate(180deg); }
.sb-icon {
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sb-sub {
  display: none;
  flex-direction: column;
  margin-left: 28px;
  margin-top: 2px;
}
.sb-sub.expanded { display: flex; }
.sb-sub li {
  padding: 6px 10px;
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--ink-3);
  transition: var(--tr-fast);
}
.sb-sub li:hover { background: var(--surface-2); color: var(--ink-2); }
.sb-sub li.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}
.sb-footer {
  border-top: 1px solid var(--border);
  padding: 10px 8px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sb-footer-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--ink-3);
  cursor: pointer;
  transition: var(--tr-fast);
}
.sb-footer-item:hover { background: var(--surface-2); color: var(--ink-2); }

/* ─── MAIN ────────────────────────────────────────────────── */
.main {
  grid-area: main;
  overflow-y: auto;
}
.page {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 32px 40px 80px;
}
@media (max-width: 860px) {
  .page { padding: 24px 20px 60px; }
}

/* ─── PAGE HEADER ─────────────────────────────────────────── */
.page-hdr {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  gap: 16px;
  flex-wrap: wrap;
}
.page-crumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.page-crumbs > :last-child { color: var(--ink); }
.page-crumbs-sep { font-size: 14px; color: var(--ink-4); }
.page-title {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-title-icon {
  font-size: 30px;
  color: var(--accent);
}
.page-subtitle {
  font-size: 14px;
  color: var(--ink-3);
  margin-top: 4px;
}
.page-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
@media (max-width: 860px) {
  .page-hdr { flex-direction: column; align-items: flex-start; }
}

/* ─── SECTION HEADER ──────────────────────────────────────── */
.sec-hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 32px 0 14px;
  gap: 16px;
}
.sec-hdr.flush { margin-top: 0; }
.sec-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}
.sec-title-link {
  font-size: 12.5px;
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}