/* ── App Grid ── */
#app {
  display: grid;
  grid-template-columns: var(--nav-w) 1fr;
  grid-template-rows: 100vh;
  height: 100vh;
  opacity: 0;
  transition: opacity 0.3s;
}
#app.ready { opacity: 1; }

/* ── Sidebar ── */
#sidebar {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow: hidden;
  height: 100vh;
}

.sidebar-logo {
  height: var(--header-h);
  display: flex; align-items: center; gap: 10px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.logo-mark {
  width: 30px; height: 30px;
  background: linear-gradient(135deg, var(--accent), #0055cc);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
  flex-shrink: 0;
}
.logo-text { font-size: 17px; font-weight: 800; letter-spacing: -0.5px; }
.logo-text span { color: var(--accent); }

.nav-section { padding: 16px 12px 8px; flex-shrink: 0; }
.nav-label { font-size: 10px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text3); padding: 0 8px; margin-bottom: 4px; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px;
  font-size: 13px; font-weight: 600;
  color: var(--text2); cursor: pointer;
  transition: background 0.15s, color 0.15s;
  user-select: none;
}
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }
.nav-item svg { width: 15px; height: 15px; flex-shrink: 0; opacity: 0.7; }
.nav-item.active svg { opacity: 1; }

.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 12px;
  flex-shrink: 0;
}
.user-badge {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px;
  cursor: pointer; transition: background 0.15s;
}
.user-badge:hover { background: var(--bg3); }
.user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #0055cc);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 12px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 10px; color: var(--text3); font-family: 'DM Mono', monospace; }
.logout-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text3); padding: 4px; border-radius: 4px;
  transition: color 0.15s;
}
.logout-btn:hover { color: var(--red); }

/* ── Main area ── */
#main {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  grid-template-rows: var(--header-h) 1fr;
  height: 100vh;
  overflow: hidden;
}

/* ── Top bar ── */
#topbar {
  grid-row: 1;
  height: var(--header-h);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px;
}
.page-title { font-size: 15px; font-weight: 700; flex: 1; }
.topbar-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; padding: 0 12px; height: 34px;
  width: 220px;
}
.topbar-search input {
  background: none; border: none; outline: none;
  font-family: 'DM Mono', monospace; font-size: 13px;
  color: var(--text); width: 100%;
}
.topbar-search input::placeholder { color: var(--text3); }
.topbar-search svg { color: var(--text3); flex-shrink: 0; }
.market-status {
  display: flex; align-items: center; gap: 6px;
  font-family: 'DM Mono', monospace; font-size: 11px; color: var(--text2);
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

#log-toggle-btn {
  margin-left: 8px; background: transparent; border: 1px solid var(--border);
  color: var(--text2); padding: 2px 8px; border-radius: 4px; cursor: pointer;
  font-size: 11px; display: flex; align-items: center; gap: 4px;
}
#log-badge {
  background: #3b82f6; color: #fff; border-radius: 3px;
  padding: 0 4px; font-size: 10px; min-width: 16px; text-align: center;
}

/* ── Content ── */
#content {
  grid-row: 2;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px;
  padding-bottom: 48px;
  -webkit-overflow-scrolling: touch;
}
#content::-webkit-scrollbar { width: 6px; }
#content::-webkit-scrollbar-track { background: transparent; }
#content::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ── Log Panel ── */
#app-log-panel {
  position: fixed; bottom: 0; left: var(--nav-w); right: 0; height: 260px;
  background: var(--bg2); border-top: 2px solid var(--accent);
  flex-direction: column; z-index: 100;
}
.log-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 12px; border-bottom: 1px solid var(--border);
  font-size: 12px; font-weight: 700;
}
.log-actions { display: flex; gap: 4px; }
.log-actions button {
  background: var(--bg3); border: 1px solid var(--border); color: var(--text2);
  padding: 2px 8px; border-radius: 4px; cursor: pointer; font-size: 10px;
}
.log-actions button:hover { color: var(--text); }
#app-log-body {
  flex: 1; overflow-y: auto; padding: 4px 0;
  font-family: 'DM Mono', monospace; font-size: 11px;
}