/* ==========================================================================
   Layout — CSS Grid: Sidebar + Content-Area
   ========================================================================== */

/* --- App Shell --- */
.app {
  display: none;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

.app--visible {
  display: grid;
}

.app--no-sidebar {
  grid-template-columns: 1fr;
}

/* --- Sidebar --- */
.sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar__top {
  display: flex;
  flex-direction: column;
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 28px 24px;
}

.sidebar__logo-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar__logo-circle img {
  width: 44px;
  height: 42px;
  object-fit: contain;
}

.sidebar__logo-text {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--sidebar-text);
}

.sidebar__divider {
  height: 1px;
  background: var(--sidebar-active);
  width: 100%;
}

/* --- Navigation --- */
.sidebar__nav {
  padding: 12px 0;
}

.sidebar__nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  width: 100%;
  color: var(--sidebar-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 500;
  border: none;
  border-left: 3px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  text-align: left;
}

.sidebar__nav-item:hover {
  background: var(--sidebar-hover);
  color: var(--color-white);
  text-decoration: none;
}

.sidebar__nav-item--active {
  background: var(--sidebar-hover-strong);
  color: var(--color-white);
  font-weight: 600;
  border-left-color: var(--color-accent);
}

.sidebar__nav-item--active i {
  color: var(--color-accent);
}

.sidebar__nav-item i {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* --- Sidebar Footer (User) --- */
.sidebar__bottom {
  display: flex;
  flex-direction: column;
}

.sidebar__user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
}

.sidebar__user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--sidebar-active);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar__user-avatar {
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
}

.sidebar__user-avatar:hover {
  background: var(--sidebar-active-strong);
}

.sidebar__user-avatar i {
  color: var(--color-white);
}

.sidebar__user-photo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.sidebar__user-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.sidebar__user-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
}

.sidebar__user-name:hover {
  text-decoration: underline;
}

.sidebar__user-logout {
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--sidebar-text);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  text-decoration: underline;
  text-decoration-color: var(--sidebar-text-strong);
  text-underline-offset: 2px;
}

.sidebar__user-logout:hover {
  color: var(--color-white);
}

/* --- Content Area --- */
.content {
  padding: 32px 40px;
  min-width: 0;
  overflow-y: auto;
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
  .app--visible {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    width: var(--sidebar-width);
  }

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

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-overlay);
    z-index: 99;
  }

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

  .content {
    padding: var(--space-lg);
  }

  .mobile-header {
    display: flex;
  }
}

/* --- Responsive: Desktop --- */
@media (min-width: 1025px) {
  .mobile-header {
    display: none;
  }

  .sidebar-overlay {
    display: none;
  }
}

/* --- Mobile Header (Tablet/Mobile) --- */
.mobile-header {
  display: none;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--sidebar-bg);
  color: var(--color-white);
}

.mobile-header__burger {
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: var(--space-xs);
}

.mobile-header__title {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.5px;
}