/*
  public/css/side-nav.css
  Styles for side-nav (T4, Batch 2).
  Companion to public/js/side-nav.js.
*/

.side-nav {
  position: fixed;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  z-index: 90;
  background: rgba(251, 250, 244, 0.96);
  border: 1px solid rgba(9, 23, 23, 0.08);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(9, 23, 23, 0.08);
  padding: 12px 8px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-height: 80vh;
  overflow: hidden;
}

.side-nav.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.side-nav.is-collapsed {
  padding: 8px;
}

.side-nav.is-collapsed .side-nav-label {
  display: none;
}

.side-nav-inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: stretch;
}

.side-nav-toggle {
  background: transparent;
  border: 1px solid rgba(9, 23, 23, 0.1);
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
  color: #5a6a69;
  font-size: 12px;
  align-self: flex-end;
  margin-bottom: 6px;
  transition: color 0.2s, background 0.2s;
}

.side-nav-toggle:hover {
  color: #9B5A3A;
  background: rgba(155, 90, 58, 0.06);
}

.side-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  max-height: calc(80vh - 60px);
}

.side-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  color: #5a6a69;
  text-decoration: none;
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 13px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.side-nav-link:hover {
  color: #091717;
  background: rgba(9, 23, 23, 0.04);
}

.side-nav-link.is-active {
  color: #9B5A3A;
  background: rgba(155, 90, 58, 0.08);
  font-weight: 600;
}

.side-nav-link i {
  flex-shrink: 0;
  width: 18px;
  font-size: 14px;
  text-align: center;
}

@media (max-width: 1023px) {
  .side-nav {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .side-nav {
    transition: opacity 0.1s linear;
  }
}