/* ════════════════════════════════════════════════════════
   TGCapital — Layout
   App shell: fixed sidebar nav, persistent KPI topbar, main grid,
   responsive collapse (tablet icon rail / mobile bottom bar).
   Loaded after components.css so these rules take precedence for
   chrome elements (.app, .topbar, .nav, .main, .nav-btn, .tstat).
   ════════════════════════════════════════════════════════ */

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

/* ════════ SIDEBAR ════════ */
.sidebar {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  background: var(--c-surface);
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden; /* children handle their own scroll */
}

.sidebar-brand {
  padding: 16px 16px 14px;
  border-bottom: 1px solid var(--c-border);
}
.sidebar-logo {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.04em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-logo span { color: var(--c-text-2); font-weight: 400; }
.sidebar-logo-img {
  height: 24px;
  width: 24px;
  border-radius: 5px;
  flex-shrink: 0;
}
.sidebar-tagline {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-2);
}

.sidebar-nav {
  flex: 1;
  min-height: 0; /* allow shrinking inside the flex column */
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-section {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-2);
  padding: 8px 16px 3px;
  white-space: nowrap;
}

/* Sidebar nav items reuse .nav-btn (keeps showView's onclick logic) */
.sidebar .nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 400;
  padding: 6px 16px;
  border: none;
  border-left: 3px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--c-text-1);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.12s, color 0.12s;
}
.sidebar .nav-btn .nav-ico {
  width: 18px;
  text-align: center;
  font-size: 13px;
  flex-shrink: 0;
}
.sidebar .nav-btn:hover {
  background: var(--c-raised);
  color: var(--c-text-0);
  border-bottom: none;
}
.sidebar .nav-btn.active {
  background: var(--c-accent-dim);
  color: var(--c-text-0);
  border-left: 3px solid var(--c-accent);
  border-bottom: none;
}

.sidebar-foot {
  border-top: 1px solid var(--c-border);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sidebar-foot .btn { width: 100%; }

/* ── Sidebar filter (collapsible) ── */
.sidebar-filter {
  padding: 12px 10px;
  border-top: 1px solid var(--c-border);
}
.sidebar-filter-title {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-1);
  cursor: pointer;
  user-select: none;
}
.sidebar-filter-title::before {
  content: '▼';
  display: inline-block;
  font-size: 9px;
  transition: transform 0.12s;
}
[open] .sidebar-filter-title::before { transform: rotate(-90deg); }
.sidebar-filter-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--c-border);
}
.sidebar-filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar-filter-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-2);
}
.sidebar-filter-select, .sidebar-filter-input {
  background: var(--c-overlay);
  border: 1px solid var(--c-border-hi);
  border-radius: 3px;
  color: var(--c-text-0);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 6px;
  height: 28px;
  color-scheme: dark light;
  box-sizing: border-box;
}
.sidebar-filter-select { cursor: pointer; }
.sidebar-filter-actions {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 36px;
  padding: 8px 12px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-raised);
  color: var(--c-text-1);
  cursor: pointer;
  transition: background-color 0.12s, color 0.12s;
}
.theme-toggle:hover { color: var(--c-text-0); border-color: var(--c-border-hi); }

/* ════════ CONTENT COLUMN ════════ */
.content {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
}

/* ════════ TOPBAR (KPI strip) ════════ */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: var(--topbar-h);
  padding: 0 16px;
  background: var(--c-surface);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(96px, auto));
  gap: 8px;
  margin: 0;
  padding: 8px 0;
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  border-radius: 0;
}
.tstat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px 8px;
  border: none;
  border-left: 1px solid var(--c-border);
  border-radius: 0;
  background: transparent;
  min-height: auto;
}
.tstat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text-2);
}
.tstat-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-text-0);
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-left: auto;
}

/* Fixed bottom status bar */
.status-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 500;
  padding: 5px 16px;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.status-bar:empty { display: none; }

/* Main scroll area */
.main {
  flex: 1;
  padding: 20px 20px 36px; /* bottom pad clears fixed status bar */
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}
.view { display: none; }
.view.active { display: block; }

/* Mobile bottom navigation (hidden on desktop) */
.bottom-nav { display: none; }

/* ════════ RESPONSIVE ════════ */

/* Tablet: collapse sidebar to icon rail */
@media (max-width: 1023px) and (min-width: 640px) {
  .app { grid-template-columns: var(--sidebar-w-collapsed) 1fr; }
  .sidebar-tagline,
  .sidebar-section,
  .sidebar .nav-btn .nav-label { display: none; }
  .sidebar-logo { font-size: 0; justify-content: center; }
  .sidebar-logo-img { height: 28px; width: 28px; }
  .sidebar-brand { padding: 14px 0; text-align: center; }
  .sidebar .nav-btn {
    justify-content: center;
    padding: 10px 0;
    position: relative;
  }
  .sidebar .nav-btn .nav-ico { width: auto; }
  /* Tooltip label on hover */
  .sidebar .nav-btn[data-label]:hover::after {
    content: attr(data-label);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 8px;
    background: var(--c-overlay);
    color: var(--c-text-0);
    border: 1px solid var(--c-border-hi);
    border-radius: var(--r-sm);
    padding: 4px 8px;
    font-size: 11px;
    white-space: nowrap;
    z-index: 300;
    pointer-events: none;
  }
  .sidebar-foot .btn-label { display: none; }
  .theme-toggle span { display: none; }
  .topbar-stats { grid-template-columns: repeat(4, minmax(80px, 1fr)); }
  .tstat:nth-child(n+5) { display: none; }
}

/* Mobile: hide sidebar, show bottom nav */
@media (max-width: 639px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .sidebar { display: none; }
  .content { grid-column: 1; }
  .main { padding: 10px 8px 64px; }

  .topbar {
    flex-wrap: wrap;
    min-height: auto;
    padding: 6px 8px;
  }
  .topbar-stats {
    order: 2;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
  }
  .tstat { border-left: none; padding: 4px 6px; }
  .tstat:nth-child(n+5) { display: flex; }
  .topbar-actions { order: 1; width: 100%; }

  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    height: 56px;
  }
  .bottom-nav .nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-height: 44px;
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--c-text-1);
    font-size: 10px;
    cursor: pointer;
  }
  .bottom-nav .nav-btn .nav-ico { font-size: 18px; }
  .bottom-nav .nav-btn.active { color: var(--c-accent); border-bottom: none; }
}