:root {
  --dnp-gold: #f5c556;
  --dnp-brown: #4d3824;
  --dnp-blue: #a2d0d4;
  --dnp-bg: #fffaf0;
  --dnp-white: #ffffff;
  --dnp-muted: rgba(77, 56, 36, 0.72);
  --dnp-border: rgba(77, 56, 36, 0.14);
  --dnp-shadow: 0 24px 70px rgba(77, 56, 36, 0.16);

  --sidebar-width: 270px;
  --sidebar-collapsed: 86px;
}

.app-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-width);
  height: 100vh;
  background:
    radial-gradient(circle at 12% 8%, rgba(245, 197, 86, 0.34), transparent 34%),
    linear-gradient(180deg, #fffaf0 0%, #f7ecd4 100%);
  border-right: 1px solid var(--dnp-border);
  color: var(--dnp-brown);
  z-index: 1000;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 12px 0 40px rgba(77, 56, 36, 0.08);
  transition: width 0.25s ease, transform 0.25s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 6px 22px;
  border-bottom: 1px solid var(--dnp-border);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  background: var(--dnp-gold);
  display: grid;
  place-items: center;
  font-weight: 900;
  color: var(--dnp-brown);
  flex: 0 0 auto;
}

.brand-text strong {
  display: block;
  font-size: 14px;
  line-height: 1.2;
  color: var(--dnp-brown);
}

.brand-text span {
  display: block;
  font-size: 12px;
  color: var(--dnp-muted);
  margin-top: 3px;
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 22px;
  flex: 1;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(77, 56, 36, 0.72);
  text-decoration: none;
  padding: 13px 14px;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 900;
  transition: 0.2s ease;
  border: 1px solid transparent;
}

.sidebar-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.sidebar-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.sidebar-link:hover {
  background: rgba(245, 197, 86, 0.25);
  color: var(--dnp-brown);
}

.sidebar-link.active {
  background: var(--dnp-brown);
  color: #fff;
  border-color: var(--dnp-brown);
  box-shadow: inset 4px 0 0 var(--dnp-gold);
}

.sidebar-link.active .sidebar-icon {
  color: var(--dnp-gold);
}

.sidebar-footer {
  padding-top: 14px;
  border-top: 1px solid var(--dnp-border);
}

.sidebar-collapse-btn {
  width: 100%;
  border: 1px solid var(--dnp-border);
  background: #ffffff;
  color: var(--dnp-brown);
  border-radius: 14px;
  padding: 11px 12px;
  cursor: pointer;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: 0.2s ease;
}

.sidebar-collapse-btn:hover {
  background: var(--dnp-gold);
}

.collapse-icon {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
}

.collapse-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform 0.25s ease;
}

body.sidebar-collapsed {
  --sidebar-width: var(--sidebar-collapsed);
}

body.sidebar-collapsed .brand-text,
body.sidebar-collapsed .sidebar-text,
body.sidebar-collapsed .collapse-text {
  display: none;
}

body.sidebar-collapsed .app-sidebar {
  align-items: center;
  padding-left: 14px;
  padding-right: 14px;
}

body.sidebar-collapsed .sidebar-brand {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
}

body.sidebar-collapsed .sidebar-link {
  width: 52px;
  height: 52px;
  padding: 0;
  justify-content: center;
}

body.sidebar-collapsed .sidebar-collapse-btn {
  width: 52px;
  height: 52px;
  padding: 0;
}

body.sidebar-collapsed .collapse-icon svg {
  transform: rotate(180deg);
}

.sidebar-backdrop {
  display: none;
}

@media (max-width: 900px) {
  .app-sidebar {
    transform: translateX(-105%);
    width: 280px;
  }

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

  body.sidebar-collapsed .app-sidebar {
    width: 280px;
    align-items: stretch;
  }

  body.sidebar-collapsed .brand-text,
  body.sidebar-collapsed .sidebar-text,
  body.sidebar-collapsed .collapse-text {
    display: block;
  }

  body.sidebar-collapsed .sidebar-brand {
    justify-content: flex-start;
  }

  body.sidebar-collapsed .sidebar-link {
    width: auto;
    height: auto;
    padding: 13px 14px;
    justify-content: flex-start;
  }

  body.sidebar-collapsed .sidebar-collapse-btn {
    width: 100%;
    height: auto;
    padding: 11px 12px;
  }

  body.sidebar-collapsed .collapse-icon svg {
    transform: rotate(0deg);
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(77, 56, 36, 0.46);
    backdrop-filter: blur(4px);
    z-index: 999;
  }

  .sidebar-backdrop.is-open {
    display: block;
  }
}