:root {
  --bg: #030405;
  --text: #ffffff;
  --muted: #a7a9ac;
  --muted-2: #73777f;
  --line: rgba(255, 255, 255, 0.12);
  --green: #a4d55d;
  --teal: #3fbfad;
  --sky: #40b4e5;
  --max: 1180px;
}

* { box-sizing: border-box; }

.page-shell {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--text);
  color: #000;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 50;
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus { left: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(3, 5, 7, 0.74);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.site-header .brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  text-decoration: none;
}

.site-header .brand-logo {
  display: block;
  width: auto;
  height: 42px;
  max-width: 180px;
  object-fit: contain;
  flex: 0 0 auto;
}

.site-header .brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.site-header .brand-name {
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.site-header .brand-subtitle {
  color: var(--muted-2);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0;
  text-transform: none;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--muted);
  padding: 9px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.tools-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.tools-menu-button {
  -webkit-appearance: none;
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 9px 12px;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}

.tools-menu-button::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.2s ease;
}

.tools-menu-button:hover,
.tools-menu-button:focus-visible,
.tools-menu.is-open .tools-menu-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.tools-menu.is-open .tools-menu-button::after {
  transform: translateY(1px) rotate(225deg);
}

.tools-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 60;
  display: none;
  width: 310px;
  max-width: calc(100vw - 32px);
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: #080d13;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.tools-menu:hover .tools-dropdown,
.tools-menu:focus-within .tools-dropdown,
.tools-menu.is-open .tools-dropdown {
  display: block;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.tools-dropdown-group {
  display: grid;
  gap: 4px;
  padding: 4px 0;
}

.tools-dropdown-group + .tools-dropdown-group {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 4px;
  padding-top: 8px;
}

.tools-dropdown-label {
  color: var(--muted-2);
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.3;
  padding: 4px 8px 3px;
  text-transform: uppercase;
}

.site-header .main-nav .tools-dropdown a,
.site-header .nav .tools-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  padding: 9px 10px;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  white-space: normal;
}

.site-header .main-nav .tools-dropdown a span:first-child,
.site-header .nav .tools-dropdown a span:first-child {
  display: inline-grid;
  place-items: center;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(64, 180, 229, 0.16);
  color: var(--sky);
  font-size: 0.76rem;
  font-weight: 900;
}

.site-header .main-nav .tools-dropdown a:hover,
.site-header .main-nav .tools-dropdown a:focus-visible,
.site-header .nav .tools-dropdown a:hover,
.site-header .nav .tools-dropdown a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  outline: none;
}

.main-nav .support-button,
.support-button {
  color: #0d1118 !important;
  font-weight: 800 !important;
  background: #FA8D29 !important;
}

.main-nav .support-button:hover,
.main-nav .support-button:focus-visible,
.support-button:hover,
.support-button:focus-visible {
  color: #0d1118 !important;
  background: #ff9b3f !important;
}

.btn.donation-link,
.button.donation-link {
  color: #0d1118 !important;
  background: #FA8D29 !important;
  border-color: transparent !important;
}

.btn.donation-link:hover,
.btn.donation-link:focus-visible,
.button.donation-link:hover,
.button.donation-link:focus-visible {
  color: #0d1118 !important;
  background: #ff9b3f !important;
}

@media (max-width: 720px) {
  .page-shell { width: min(100% - 22px, var(--max)); }

  .site-header .header-inner {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header .brand-name,
  .site-header .brand-subtitle {
    white-space: normal;
  }

  .site-header .brand-logo {
    height: 36px;
    max-width: 150px;
  }

  .main-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .main-nav a {
    padding: 8px 10px;
    font-size: 0.82rem;
  }

  .tools-menu {
    width: 100%;
    display: block;
  }

  .tools-menu-button {
    width: auto;
    padding: 8px 10px;
    font-size: 0.82rem;
  }

  .tools-dropdown {
    position: static;
    display: none;
    width: 100%;
    margin-top: 6px;
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .tools-menu:hover .tools-dropdown {
    display: none;
  }

  .tools-menu.is-open .tools-dropdown,
  .tools-menu:focus-within .tools-dropdown {
    display: grid;
  }
}