:root {
  --background-color: #1f2023;
  --text-color: #eceded;
  --disabled-dash-white: #54565a;
  --inactive-text: #888d95;
  --blue: #326ce5;
  --disabled-blue: #243353;
  --scrollbar-color: #303236;
  --panel-background: #26282d;
  --panel-border: #35383e;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

body.sidebar-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.main-content {
  margin-left: 280px;
  min-height: 100vh;
  padding: 20px 24px;
}

.mobile-topbar,
.mobile-nav-toggle,
.sidebar-close,
.sidebar-backdrop {
  display: none;
}

.mobile-topbar {
  position: sticky;
  top: 0;
  z-index: 35;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(12px + var(--safe-area-top)) calc(16px + var(--safe-area-right)) 12px calc(16px + var(--safe-area-left));
  border-bottom: 1px solid var(--panel-border);
  background: rgba(31, 32, 35, 0.96);
  backdrop-filter: blur(12px);
}

.mobile-topbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 700;
}

.mobile-topbar__brand img {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.mobile-topbar__accent {
  color: var(--blue);
}

.mobile-nav-toggle,
.sidebar-close {
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  background: var(--background-color);
  color: var(--text-color);
  font-size: 1rem;
  cursor: pointer;
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 39;
  background: rgba(5, 7, 10, 0.55);
}

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

::scroll-marker {
  background-color: var(--scrollbar-color);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background-color: var(--panel-background);
  border-right: 1px solid var(--panel-border);
  overflow-y: auto;
  padding: 18px 14px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 14px;
  border-bottom: 1px solid var(--panel-border);
  margin-bottom: 12px;
}

.sidebar-header img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  flex-shrink: 0;
}

.sidebar-header h2 {
  margin: 0;
  color: var(--blue);
  font-size: 1.2rem;
  letter-spacing: 0.3px;
}

.sidebar-close {
  margin-left: auto;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nk-yaml-line {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 0 12px;
  min-height: 22px;
}

.nk-yaml-line-number {
  padding: 3px 0;
  padding-right: 10px;
  color: var(--inactive-text);
  text-align: right;
  user-select: none;
  border-right: 1px solid var(--panel-border);
}

.nk-yaml-line-content {
  display: block;
  padding: 3px 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-color);
}

.nk-yaml-key {
  color: #3dab6b;
}

.nk-yaml-string {
  color: #ce7646;
}

.nk-yaml-number,
.nk-yaml-timestamp {
  color: #b5af67;
}

.nk-yaml-punctuation,
.nk-yaml-operator {
  color: #ffd70f;
}

.nk-yaml-boolean {
  color: #5b8cf3;
}

.nk-yaml-comment {
  color: var(--inactive-text);
}

.nav-dropdown {
  border: 1px solid transparent;
  border-radius: 8px;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: transparent;
  border: 0;
  color: var(--text-color);
  text-align: left;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 12px;
  cursor: pointer;
}

.nav-dropdown-btn .fa {
  width: 16px;
  text-align: center;
  color: var(--inactive-text);
}

.nav-dropdown-content {
  display: none;
  flex-direction: column;
  padding: 0 6px 8px;
}

.nav-dropdown.open .nav-dropdown-content {
  display: flex;
}

.nav-dropdown-btn .nav-caret {
  margin-left: auto;
  transition: transform 0.2s ease;
}

.nav-dropdown.open .nav-dropdown-btn .nav-caret {
  transform: rotate(180deg);
}

.nav-dropdown-content a {
  display: block;
  color: var(--inactive-text);
  font-size: 0.9rem;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease;
}

.nav-dropdown-content a.is-active {
  color: var(--text-color);
  border-color: var(--panel-border);
  background-color: rgba(255, 255, 255, 0.08);
}

@media (max-width: 900px) {
  .mobile-topbar,
  .mobile-nav-toggle,
  .sidebar-close,
  .sidebar-backdrop {
    display: flex;
  }

  .mobile-topbar {
    display: flex;
  }

  .sidebar-backdrop {
    display: none;
  }

  .sidebar {
    z-index: 40;
    width: min(88vw, 320px);
    max-width: 100%;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    padding-top: calc(18px + var(--safe-area-top));
    padding-bottom: calc(18px + var(--safe-area-bottom));
  }

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

  .main-content {
    margin-left: 0;
    min-height: calc(100vh - 69px);
    padding: 16px;
    padding-bottom: calc(16px + var(--safe-area-bottom));
  }
}

@media (min-width: 901px) {
  .sidebar {
    transform: none !important;
  }
}