/* ==========================================================================
   Application Layout & Views
   ========================================================================== */

#app {
  display: flex;
  flex: 1;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* Auth View */
.auth-container {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top center, #261e17 0%, var(--bg) 80%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow), var(--shadow-glow);
}

.auth-brand {
  text-align: center;
  margin-bottom: 24px;
}

.auth-brand-logo {
  width: 52px;
  height: 52px;
  background: var(--surface-card);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  box-shadow: 0 0 15px var(--accent-glow);
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  user-select: none;
  transition: transform 0.25s ease;
  z-index: 500;
}

.sidebar-header {
  padding: 20px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  background: var(--surface-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-brand-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.sidebar-nav {
  flex: 1;
  padding: 14px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-item:hover {
  background-color: var(--surface-hover);
  color: var(--text);
}

.nav-item.active {
  background-color: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(230, 179, 92, 0.3);
  font-weight: 600;
}

.nav-item svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-darker);
}

.user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-email {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}

.user-role {
  font-size: 10px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 600;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 450;
}

/* Main Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.topbar {
  height: 60px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
  gap: 12px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.2s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}