/* ==========================================================================
   Layout - Sidebar Navigation (Web only)
   웹 전용 좌측 사이드바 네비게이션. iOS 네이티브 앱에서는 표시되지 않음.
   ========================================================================== */

:root {
  --sidebar-width: 240px;
  --sidebar-width-compact: 64px;
}

/* ===== Body offset & main content constraint ===== */

/* Tablet (768-1279px): compact sidebar (icon only) */
@media (min-width: 768px) and (max-width: 1279px) {
  .web-layout {
    padding-left: var(--sidebar-width-compact);
  }

  .web-layout main {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    padding-top: var(--spacing-10);
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }
}

/* Desktop (≥1280px): full sidebar */
@media (min-width: 1280px) {
  .web-layout {
    padding-left: var(--sidebar-width);
  }

  .web-layout main {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    padding-top: var(--spacing-10);
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }
}

/* ===== Sidebar container ===== */
.sidebar-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  height: 100dvh;
  background: var(--color-bg-primary);
  border-right: 1px solid var(--color-border-soft);
  display: flex;
  flex-direction: column;
  z-index: var(--z-fixed);
  padding: var(--spacing-4);
  overflow-y: auto;
}

/* ===== Header / Logo ===== */
.sidebar-nav__header {
  padding: var(--spacing-3) var(--spacing-3) var(--spacing-6);
}

.sidebar-nav__logo {
  text-decoration: none;
  color: var(--color-text-primary);
}

.sidebar-nav__logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-text-primary);
}

/* ===== Navigation menu ===== */
.sidebar-nav__menu {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-nav__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-base);
  color: var(--color-text-primary);
  text-decoration: none;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-normal);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.sidebar-nav__item:hover {
  background: var(--color-hover-subtle);
  color: var(--color-text-primary);
}

.sidebar-nav__item--active {
  color: var(--color-text-primary);
  background: var(--color-card-fill);
  font-weight: var(--font-weight-medium);
}

.sidebar-nav__item svg {
  width: var(--icon-size-md);
  height: var(--icon-size-md);
  flex-shrink: 0;
}

/* ===== Footer / Profile ===== */
.sidebar-nav__footer {
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-border-soft);
  position: relative;
}

.sidebar-nav__footer-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.sidebar-nav__profile {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-base);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
  flex: 1;
  min-width: 0;
  font-family: var(--font-family-primary);
}

.sidebar-nav__upgrade {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  background: var(--color-text-primary);
  color: var(--color-bg-primary);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.sidebar-nav__upgrade:hover {
  opacity: 0.85;
  color: var(--color-bg-primary);
}

.sidebar-nav__profile:hover {
  background: var(--color-hover-subtle);
}

.sidebar-nav__profile-name {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}

/* ===== Sidebar Dropdown Menu ===== */
.sidebar-menu {
  position: absolute;
  bottom: calc(100% + var(--spacing-2));
  left: 0;
  right: 0;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-dropdown);
  padding: var(--spacing-2);
  z-index: var(--z-dropdown);
}

.sidebar-menu__header {
  padding: var(--spacing-2) var(--spacing-3);
}

.sidebar-menu__name {
  display: block;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.sidebar-menu__username {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.sidebar-menu__divider {
  height: 1px;
  background: var(--color-border-soft);
  margin: var(--spacing-1) 0;
}

.sidebar-menu__items {
  display: flex;
  flex-direction: column;
}

.sidebar-menu__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: background var(--transition-fast);
}

.sidebar-menu__item:hover {
  background: var(--color-hover-subtle);
}

.sidebar-menu__item svg {
  width: var(--icon-size-sm);
  height: var(--icon-size-sm);
  flex-shrink: 0;
  color: var(--color-text-secondary);
}

.sidebar-menu__item--danger {
  color: var(--color-danger);
}

.sidebar-menu__item--danger svg {
  color: var(--color-danger);
}

/* ===== Responsive: tablet — compact sidebar (icon only) ===== */
@media (min-width: 768px) and (max-width: 1279px) {
  .sidebar-nav {
    width: var(--sidebar-width-compact);
    padding: var(--spacing-4) var(--spacing-2);
    align-items: center;
  }

  .sidebar-nav__header {
    padding: var(--spacing-3) 0 var(--spacing-6);
  }

  .sidebar-nav__item {
    justify-content: center;
    padding: var(--spacing-2);
    gap: 0;
  }

  .sidebar-nav__label {
    display: none;
  }

  .sidebar-nav__profile {
    justify-content: center;
    padding: var(--spacing-2);
    gap: 0;
  }

  .sidebar-nav__profile-name {
    display: none;
  }

  .sidebar-nav__upgrade {
    display: none;
  }

  .sidebar-menu {
    left: auto;
    right: auto;
    min-width: 200px;
  }
}

/* ===== Responsive: desktop — larger profile avatar and name ===== */
@media (min-width: 1280px) {
  .sidebar-nav__profile .avatar--sm {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-sm);
  }

  .sidebar-nav__profile-name {
    font-size: var(--font-size-md);
  }
}

/* ===== Responsive: mobile web — hide sidebar, bottom nav takes over ===== */
@media (max-width: 767px) {
  .sidebar-nav {
    display: none;
  }
}