/* layout.css — App shell, sidebar, topbar — MATRIX THEME */

/* Login screen */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-0);
}

.login-box {
  background: rgba(0, 10, 0, 0.92);
  border: 1px solid var(--accent);
  border-radius: 0;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 0 40px rgba(0,255,65,0.12), 0 0 80px rgba(0,255,65,0.04);
  position: relative;
}

/* Corner decorators on login box */
.login-box::before, .login-box::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--accent);
  border-style: solid;
}
.login-box::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.login-box::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.login-logo .icon { font-size: 1.8rem; color: var(--accent); }
.login-logo h1 {
  font-size: 1.2rem;
  margin-top: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-shadow: 0 0 12px var(--accent);
}
.login-logo p {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.12em;
}

.login-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.6rem 0.9rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-family: inherit;
}
.login-user strong { color: var(--accent); }

/* App shell */
#app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  min-height: 100vh;
}

/* Topbar */
#topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,255,65,0.06);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  font-size: 0.95rem;
  text-shadow: 0 0 10px var(--accent);
}
.topbar-brand .brand-icon { font-size: 1rem; }
.topbar-brand .brand-sub  {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-left: 2px;
  letter-spacing: 0.03em;
  text-shadow: none;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-status {
  font-size: 0.76rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}
.topbar-status .dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  margin-right: 5px;
  vertical-align: middle;
  animation: blink-dot 2s ease-in-out infinite;
}
@keyframes blink-dot { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* Sidebar */
#sidebar {
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  padding: 1rem 0;
  overflow-y: auto;
}

.nav-section {
  padding: 0 0.6rem;
  margin-bottom: 0.25rem;
}
.nav-section-label {
  font-size: 0.65rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--border-light);
  padding: 0.5rem 0.6rem 0.25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.6rem;
  border-radius: 0;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  transition: background var(--t), color var(--t);
  border: none;
  border-left: 2px solid transparent;
  background: none;
  width: 100%;
  text-align: left;
  user-select: none;
  font-family: inherit;
}
.nav-item:hover {
  background: var(--bg-2);
  color: var(--text-secondary);
  border-left-color: var(--border-light);
}
.nav-item.active {
  background: rgba(0,255,65,0.06);
  color: var(--accent);
  border-left-color: var(--accent);
  text-shadow: 0 0 8px rgba(0,255,65,0.4);
}
.nav-item .nav-icon { font-size: 0.95rem; width: 18px; text-align: center; flex-shrink: 0; }
.nav-item .nav-badge {
  margin-left: auto;
  font-size: 0.68rem;
  background: var(--bg-3);
  color: var(--text-muted);
  padding: 1px 5px;
  border-radius: 0;
  border: 1px solid var(--border);
}
.nav-item.active .nav-badge {
  background: rgba(0,255,65,0.1);
  color: var(--accent);
  border-color: var(--border-light);
}

/* Main content */
#content {
  overflow-y: auto;
  padding: 1.5rem 1.75rem;
  background: var(--bg-0);
}

/* View container */
.view { animation: fadeIn 140ms ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}
.view-title { display: flex; align-items: center; gap: 0.5rem; }
.view-title h2 {
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-shadow: 0 0 10px rgba(0,255,65,0.3);
}
.view-subtitle {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 2px;
  letter-spacing: 0.04em;
}

/* Responsive */
@media (max-width: 768px) {
  #app-shell { grid-template-columns: 1fr; }
  #sidebar { display: none; }
  #content { padding: 1rem; }
}