/* ETA Portal Shell Layout - Dark Theme with Left Sidebar */

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

/* Dark theme shell layout with left sidebar */
.eta-shell {
  display: flex;
  min-height: 100vh;
  background: var(--eta-color-bg);
  color: var(--eta-color-text-high);
  font-family: var(--eta-font-sans);
}

.eta-shell__sidebar {
  width: 280px;
  background: var(--eta-color-surface);
  border-right: 1px solid var(--eta-color-border);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: var(--eta-space-6) 0;
}

.eta-shell__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.eta-shell__header {
  height: var(--eta-header-height);
  background: var(--eta-color-surface);
  border-bottom: 1px solid var(--eta-color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--eta-space-6);
  position: sticky;
  top: 0;
  z-index: var(--eta-z-header);
}

.eta-shell__main {
  flex: 1;
  padding: var(--eta-space-6);
  max-width: var(--eta-container-max-width);
  margin: 0 auto;
  width: 100%;
}

.eta-shell__footer {
  background: var(--eta-color-surface);
  border-top: 1px solid var(--eta-color-border);
  padding: var(--eta-space-6);
  margin-top: auto;
}

/* Left Sidebar Navigation */
.eta-sidebar__brand {
  padding: 0 var(--eta-space-6) var(--eta-space-8);
  border-bottom: 1px solid var(--eta-color-border);
  margin-bottom: var(--eta-space-6);
}

.eta-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--eta-space-3);
  color: var(--eta-color-text-high);
  text-decoration: none;
  font-weight: var(--eta-font-bold);
  font-size: var(--eta-type-h4);
}

.eta-brand__logo {
  width: 32px;
  height: 32px;
  background: var(--eta-color-primary);
  border-radius: var(--eta-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--eta-font-bold);
  font-size: var(--eta-type-small);
}

.eta-brand__wordmark {
  font-size: var(--eta-type-h4);
  font-weight: var(--eta-font-bold);
  letter-spacing: -0.01em;
  color: var(--eta-color-text-high);
}

/* Navigation Menu */
.eta-nav {
  padding: 0 var(--eta-space-4);
}

.eta-nav__section {
  margin-bottom: var(--eta-space-8);
}

.eta-nav__section-title {
  font-size: var(--eta-type-small);
  font-weight: var(--eta-font-medium);
  color: var(--eta-color-text-low);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--eta-space-3);
  padding: 0 var(--eta-space-2);
}

.eta-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.eta-nav__item {
  margin-bottom: var(--eta-space-1);
}

.eta-nav__link {
  display: flex;
  align-items: center;
  gap: var(--eta-space-3);
  padding: var(--eta-space-3) var(--eta-space-2);
  color: var(--eta-color-text-mid);
  text-decoration: none;
  border-radius: var(--eta-radius-md);
  font-weight: var(--eta-font-medium);
  font-size: var(--eta-type-body);
  transition: all 0.15s ease;
  position: relative;
}

.eta-nav__link:hover {
  color: var(--eta-color-text-high);
  background: var(--eta-color-card);
}

.eta-nav__link.active {
  color: var(--eta-color-primary);
  background: var(--eta-color-card);
  font-weight: var(--eta-font-bold);
}

.eta-nav__link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--eta-color-primary);
  border-radius: 0 2px 2px 0;
}

.eta-nav__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.eta-nav__label {
  flex: 1;
}

/* Header */
.eta-header__search {
  flex: 1;
  max-width: 400px;
  margin-right: var(--eta-space-4);
}

.eta-header__search input {
  width: 100%;
  padding: var(--eta-space-2) var(--eta-space-3);
  background: var(--eta-color-card);
  border: 1px solid var(--eta-color-border);
  border-radius: var(--eta-radius-sm);
  color: var(--eta-color-text-high);
  font-size: var(--eta-type-body);
}

.eta-header__search input::placeholder {
  color: var(--eta-color-text-low);
}

.eta-header__actions {
  display: flex;
  align-items: center;
  gap: var(--eta-space-3);
}

.eta-header__button {
  display: inline-flex;
  align-items: center;
  gap: var(--eta-space-2);
  background: transparent;
  color: var(--eta-color-text-mid);
  border: 1px solid var(--eta-color-border);
  border-radius: var(--eta-radius-sm);
  padding: var(--eta-space-2) var(--eta-space-3);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: var(--eta-type-small);
}

.eta-header__button:hover {
  color: var(--eta-color-text-high);
  background: var(--eta-color-card);
  border-color: var(--eta-color-primary);
}

.eta-header__user {
  display: flex;
  align-items: center;
  gap: var(--eta-space-2);
  padding: var(--eta-space-2);
  border-radius: var(--eta-radius-sm);
  cursor: pointer;
  transition: background 0.15s ease;
}

.eta-header__user:hover {
  background: var(--eta-color-card);
}

.eta-header__avatar {
  width: 32px;
  height: 32px;
  background: var(--eta-color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--eta-type-small);
  font-weight: var(--eta-font-bold);
}

.eta-header__user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.eta-header__user-name {
  font-size: var(--eta-type-small);
  font-weight: var(--eta-font-medium);
  color: var(--eta-color-text-high);
}

.eta-header__user-role {
  font-size: var(--eta-type-caption);
  color: var(--eta-color-text-low);
}

/* Footer */
.eta-footer__inner {
  max-width: var(--eta-container-max-width);
  margin: 0 auto;
  text-align: center;
  color: var(--eta-color-text-low);
  font-size: var(--eta-type-small);
}

/* Responsive: collapse sidebar to icon-only at ≤1200px */
@media (max-width: 1200px) {
  .eta-shell__sidebar {
    width: 64px;
  }
  
  .eta-sidebar__brand {
    padding: 0 var(--eta-space-2) var(--eta-space-4);
  }
  
  .eta-brand__wordmark {
    display: none;
  }
  
  .eta-nav {
    padding: 0 var(--eta-space-2);
  }
  
  .eta-nav__section-title {
    display: none;
  }
  
  .eta-nav__label {
    display: none;
  }
  
  .eta-nav__link {
    justify-content: center;
    padding: var(--eta-space-3);
  }
}

/* Mobile: hide sidebar completely */
@media (max-width: 768px) {
  .eta-shell__sidebar {
    display: none;
  }
  
  .eta-shell__header {
    padding: 0 var(--eta-space-4);
  }
  
  .eta-header__search {
    display: none;
  }
  
  .eta-header__actions {
    gap: var(--eta-space-2);
  }
  
  .eta-header__user-info {
    display: none;
  }
}