*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

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

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

img { max-width: 100%; display: block; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #D7DEE6; border-radius: 999px; border: 3px solid var(--color-bg); }
::-webkit-scrollbar-thumb:hover { background: #C2CCD7; }
::-webkit-scrollbar-track { background: transparent; }

.app-shell { min-height: 100%; display: flex; flex-direction: column; }

.topbar {
  height: var(--topbar-h);
  flex: 0 0 var(--topbar-h);
  background: var(--color-card);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  padding: 0 var(--sp-8);
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand { display: flex; flex-direction: column; justify-content: center; gap: 1px; cursor: pointer; }
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: -.2px; color: var(--color-text); line-height: 1.1; }
.brand-name em { font-style: normal; color: var(--color-primary); }
.brand-sub { font-size: 11px; color: var(--color-text-secondary); letter-spacing: .1px; }

.topbar-spacer { flex: 1 1 auto; }
.topbar-right { display: flex; align-items: center; gap: var(--sp-4); }

.topbar-addr {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--color-text-secondary);
  background: var(--color-bg); border: 1px solid var(--color-line);
  border-radius: var(--radius-pill); padding: 5px 12px 5px 10px;
}
.topbar-addr svg { color: var(--color-success); }

.layout { flex: 1 1 auto; display: flex; align-items: stretch; min-height: 0; }

.sidebar {
  flex: 0 0 var(--sidebar-w);
  width: var(--sidebar-w);
  background: var(--color-card);
  border-right: 1px solid var(--color-line);
  padding: var(--sp-6) var(--sp-3);
  display: flex; flex-direction: column; gap: var(--sp-2);
}
.sidebar-title {
  font-size: 11px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase;
  color: var(--color-text-ghost); padding: 0 var(--sp-3) var(--sp-2);
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px var(--sp-3); border-radius: var(--radius-control);
  color: var(--color-text); font-size: 14px; font-weight: 500;
  transition: background .12s ease, color .12s ease;
}
.nav-item svg { flex: 0 0 20px; color: var(--color-text-ghost); }
.nav-item:hover { background: var(--color-bg); color: var(--color-text); }
.nav-item.is-active { background: var(--color-accent-sky-soft); color: #0A5A6B; font-weight: 600; }
.nav-item.is-active svg { color: var(--color-accent-sky); }
.nav-count {
  margin-left: auto; font-size: 12px; font-weight: 600;
  background: var(--color-neutral-soft); color: var(--color-text-secondary);
  border-radius: var(--radius-pill); padding: 1px 8px;
}
.nav-item.is-active .nav-count { background: #FFFFFF; color: #0A5A6B; }

.sidebar-foot { margin-top: auto; padding: var(--sp-3); border-top: 1px solid var(--color-line); }
.sidebar-foot p { font-size: 11px; color: var(--color-text-ghost); line-height: 1.45; }

.content { flex: 1 1 auto; min-width: 0; }
.content-inner { max-width: var(--content-max); margin: 0 auto; padding: var(--sp-8); }
.content--wide .content-inner { max-width: 1440px; }

.page-head { display: flex; align-items: flex-start; gap: var(--sp-6); margin-bottom: var(--sp-6); }
.page-head-text { min-width: 0; }
.page-title { font-size: 24px; font-weight: 700; letter-spacing: -.3px; line-height: 1.25; }
.page-sub { margin-top: 6px; font-size: 13px; color: var(--color-text-secondary); max-width: 760px; }
.page-head-actions { margin-left: auto; display: flex; align-items: center; gap: var(--sp-2); flex: 0 0 auto; }

.grid { display: grid; gap: var(--sp-4); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-2-1 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.grid-1-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
.stack { display: flex; flex-direction: column; gap: var(--sp-4); }
.row { display: flex; align-items: center; gap: var(--sp-3); }
.row-wrap { flex-wrap: wrap; }
.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mb-4 { margin-bottom: var(--sp-4); }
.push { margin-left: auto; }

.t-sec { color: var(--color-text-secondary); }
.t-ghost { color: var(--color-text-ghost); }
.t-12 { font-size: 12px; }
.t-13 { font-size: 13px; }
.t-16 { font-size: 16px; }
.t-num { font-variant-numeric: tabular-nums; }
.t-mono { font-family: var(--font-mono); font-size: 12.5px; }
.t-bold { font-weight: 600; }
.t-success { color: var(--color-success); }
.t-warning { color: var(--color-warning); }
.t-error { color: var(--color-error); }
.t-right { text-align: right; }
.t-center { text-align: center; }
.t-nowrap { white-space: nowrap; }

@media (max-width: 1180px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2-1, .grid-1-2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .sidebar { display: none; }
  .content-inner { padding: var(--sp-4); }
  .topbar { padding: 0 var(--sp-4); }
}