/**
 * Modern Sidebar Styles
 * Collapsed: 60px, Expanded: 300px
 * Mirrors behaviour of shadcn/ui sidebar
 */

:root {
  --sidebar-collapsed-width: 60px;
  --sidebar-expanded-width: 300px;
  --sidebar-transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  width: var(--sidebar-collapsed-width);
  background: var(--surface);
  border-right: 1px solid var(--border);
  transition: width var(--sidebar-transition);
  overflow: hidden;
  z-index: var(--z-sticky);
  display: flex;
  flex-direction: column;
  isolation: isolate;
}

.sidebar[data-open="true"] {
  width: var(--sidebar-expanded-width);
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-4);
  gap: var(--space-6);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.sidebar-logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text);
  font-weight: var(--font-semibold);
}

.sidebar-logo-icon {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--brand);
  color: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 1 !important;
  visibility: visible !important;
}

.sidebar-logo-icon i,
.sidebar-logo-icon i svg {
  width: 20px !important;
  height: 20px !important;
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.sidebar-logo-text {
  font-size: var(--text-base);
  white-space: nowrap;
  transition: opacity var(--sidebar-transition);
}

.sidebar-trigger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background var(--sidebar-transition);
}

.sidebar-trigger:hover,
.sidebar-trigger:focus-visible {
  background: color-mix(in oklab, var(--brand) 15%, transparent);
}

.sidebar-trigger i,
.sidebar-trigger i svg {
  width: 20px !important;
  height: 20px !important;
  display: block !important;
}

.sidebar-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  gap: var(--space-3);
}

.sidebar-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  transition: background var(--sidebar-transition), color var(--sidebar-transition);
  position: relative;
  min-height: 40px;
}

.sidebar-link[data-active="true"] {
  background: color-mix(in oklab, var(--brand) 18%, transparent);
  color: var(--brand);
}

.sidebar-link:hover,
.sidebar-link:focus-visible {
  background: color-mix(in oklab, var(--brand) 12%, transparent);
  color: var(--text);
}

.sidebar-icon {
  width: 22px;
  height: 22px;
  display: flex !important;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-icon i,
.sidebar-icon i svg {
  width: 22px !important;
  height: 22px !important;
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.sidebar-link-text {
  white-space: nowrap;
  transition: opacity var(--sidebar-transition), transform var(--sidebar-transition);
  opacity: 0;
  transform: translateX(-6px);
  pointer-events: none;
}

.sidebar[data-open="true"] .sidebar-link-text,
.sidebar.mobile-open .sidebar-link-text {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.sidebar-user-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  transition: background var(--sidebar-transition), color var(--sidebar-transition);
}

.sidebar-user-link:hover,
.sidebar-user-link:focus-visible {
  background: color-mix(in oklab, var(--brand) 12%, transparent);
  color: var(--text);
}

.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--brand) 18%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  flex-shrink: 0;
}

.sidebar-user-avatar i,
.sidebar-user-avatar i svg {
  width: 18px !important;
  height: 18px !important;
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.sidebar-user-name {
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--sidebar-transition);
}

.sidebar[data-open="true"] .sidebar-user-name,
.sidebar.mobile-open .sidebar-user-name {
  opacity: 1;
}

/* Collapsed state tweaks */
.sidebar[data-open="false"] .sidebar-logo-text,
.sidebar[data-open="false"] .sidebar-user-name {
  opacity: 0;
}

.sidebar[data-open="false"] .sidebar-inner {
  padding-left: var(--space-2);
  padding-right: var(--space-2);
  align-items: center;
}

.sidebar[data-open="false"] .sidebar-header,
.sidebar[data-open="false"] .sidebar-body,
.sidebar[data-open="false"] .sidebar-footer {
  align-items: center;
}

.sidebar[data-open="false"] .sidebar-logo-link,
.sidebar[data-open="false"] .sidebar-user-link {
  justify-content: center;
}

.sidebar[data-open="false"] .sidebar-logo-icon {
  margin-right: 0;
}

.sidebar[data-open="false"] .sidebar-nav {
  align-items: center;
  gap: var(--space-2);
}

.sidebar[data-open="false"] .sidebar-link {
  padding: var(--space-2);
  width: calc(var(--sidebar-collapsed-width) - var(--space-2));
}

.sidebar[data-open="false"] .sidebar-icon {
  margin: 0;
}

.sidebar[data-open="false"] .sidebar-link-text {
  display: none;
}

.sidebar[data-open="true"] .sidebar-link {
  justify-content: flex-start;
}

/* Tooltips in collapsed mode */
@media (min-width: 1025px) {
  .sidebar[data-open="false"] .sidebar-link::after {
    content: attr(title);
    position: absolute;
    left: calc(100% + var(--space-3));
    top: 50%;
    transform: translateY(-50%);
    background: var(--surface);
    color: var(--text);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    white-space: nowrap;
    transition: opacity var(--sidebar-transition);
    border: 1px solid var(--border);
    z-index: var(--z-tooltip);
  }

  .sidebar[data-open="false"] .sidebar-link:hover::after,
  .sidebar[data-open="false"] .sidebar-link:focus-visible::after {
    opacity: 1;
  }
}

/* Floating toggle button (mobile) */
.sidebar-floating-toggle {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: calc(var(--z-modal) + 1);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: background var(--sidebar-transition);
}

.sidebar-floating-toggle i,
.sidebar-floating-toggle i svg {
  width: 20px !important;
  height: 20px !important;
  display: block !important;
}

.sidebar-floating-toggle:hover,
.sidebar-floating-toggle:focus-visible {
  background: color-mix(in oklab, var(--brand) 15%, transparent);
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(12, 15, 23, 0.55);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--sidebar-transition);
  z-index: var(--z-modal);
}

.sidebar-backdrop[data-active="true"] {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile behaviour */
@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: var(--sidebar-expanded-width);
    transform: translateX(-100%);
    transition: transform var(--sidebar-transition);
    box-shadow: var(--shadow-xl);
  }

  .sidebar[data-open="true"],
  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-inner {
    padding: var(--space-5);
  }

  .sidebar-trigger {
    display: none;
  }

  .sidebar-floating-toggle {
    display: flex;
  }

  body.sidebar-locked {
    overflow: hidden;
  }

  .sidebar[data-open="true"] .sidebar-link-text,
  .sidebar[data-open="true"] .sidebar-logo-text,
  .sidebar[data-open="true"] .sidebar-user-name {
    display: inline;
  }
}

/* Desktop hover behaviour */
@media (min-width: 1025px) {
  .sidebar-trigger {
    display: none;
  }

  .sidebar-floating-toggle {
    display: none;
  }
}