* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  font-size: var(--font-size-md);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 600;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: var(--font-family);
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

input, textarea, select {
  font-family: var(--font-family);
  outline: none;
}

/* Layout */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 250px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  flex-shrink: 0;
  z-index: 10;
}

.sidebar-header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.sidebar-header .logo h1 {
  font-size: var(--font-size-lg);
  line-height: 1.2;
}

.sidebar-header .logo span {
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav-item:hover {
  background-color: var(--bg-sidebar-hover);
  color: var(--color-primary);
}

.nav-item.active {
  background-color: var(--color-primary-transparent);
  color: var(--color-primary);
}

.sidebar-quick-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Top Header */
.top-header {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background-color: var(--bg-app);
}

.search-bar {
  display: flex;
  align-items: center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  width: 320px;
  box-shadow: var(--shadow-sm);
}

.search-bar input {
  border: none;
  background: transparent;
  width: 100%;
  padding: 0 8px;
  color: var(--text-main);
  font-size: var(--font-size-sm);
}

.shortcut {
  font-size: 11px;
  background: var(--bg-app);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-tertiary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.user-avatar img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

/* View Container */
.view-container {
  flex: 1;
  padding: 0 40px 40px 40px;
  overflow-y: auto;
}