/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg);
}

/* ===== Layout Shell ===== */
.layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== Topbar ===== */
.topbar {
  display: flex;
  align-items: center;
  height: var(--topbar-height);
  padding: 0 var(--spacing-lg);
  background: var(--color-surface-raised);
  border-bottom: 1px solid rgba(221, 216, 206, 0.3);
  flex-shrink: 0;
  z-index: 101;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.topbar-logo {
  font-family: var(--font-app-title);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--shibui-indigo);
  text-decoration: none;
}

.topbar-logo span {
  color: var(--shibui-ochre);
}

.topbar-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.company-selector {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  max-width: 100%;
}

.company-selector[hidden] {
  display: none;
}

.company-selector-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.company-selector-input {
  font-family: inherit;
  font-size: var(--text-sm);
  padding: 6px 10px;
  border: 1px solid rgba(221, 216, 206, 0.6);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-primary);
  cursor: pointer;
  max-width: 320px;
}

.company-selector-input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.user-menu {
  position: relative;
}

.topbar-avatar {
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.topbar-avatar:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-xs));
  right: 0;
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  padding: var(--spacing-xs);
  z-index: 100;
}

.user-menu-dropdown[hidden] {
  display: none;
}

.user-menu-header {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--spacing-sm);
}

.user-menu-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.user-menu-email {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-menu-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-xs) 0;
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm);
  border: none;
  background: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: left;
  text-decoration: none;
}

.user-menu-item:hover {
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
}

.user-menu-item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.user-menu-item-icon {
  font-size: var(--text-md);
  line-height: 1;
}

.topbar-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  align-items: center;
  justify-content: center;
}

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: var(--spacing-md);
}

.sidebar-section:first-child {
  margin-top: 0;
}

.sidebar-section-label {
  font-size: var(--text-2xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-disabled);
  padding: var(--spacing-xs) var(--spacing-sm);
  margin-bottom: 2px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-sm);
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--sidebar-text-active);
}

.sidebar-item.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--sidebar-text-active);
  border-left: 3px solid var(--shibui-ochre);
  padding-left: calc(var(--spacing-sm) - 3px);
}

.sidebar-item-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-md);
}

.sidebar-item-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-separator {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: var(--spacing-md) var(--spacing-sm);
}

.sidebar-footer {
  padding: var(--spacing-md) var(--spacing-sm);
  flex-shrink: 0;
}

/* ===== Main Content ===== */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: var(--content-padding-y) var(--content-padding-x);
}

/* ===== Responsive ===== */
.sidebar-overlay {
  display: none;
}

@media (max-width: 1200px) {
  .topbar-menu-btn {
    display: flex;
  }

  .sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    top: var(--topbar-height);
    background: rgba(0, 0, 0, 0.3);
    z-index: 99;
  }

  .sidebar-overlay.open {
    display: block;
  }

  .content {
    padding: var(--spacing-md);
  }
}