/* Shared Burn Note site shell. Loaded after page-level CSS so this file is authoritative. */
:root {
  --text2: #c8c8db;
  --text3: #9292a2;
  --site-max: 1120px;
  --site-header-bg: rgba(10,10,11,0.94);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  border-bottom: 1px solid var(--border);
  background: var(--site-header-bg);
  backdrop-filter: blur(14px);
}
.site-header__inner {
  max-width: var(--site-max);
  min-height: 64px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--text);
  text-decoration: none;
}
.site-brand__mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.4px;
}
.site-brand__name {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}
.site-nav {
  all: unset;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.site-nav__link {
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: .02em;
  text-decoration: none;
  white-space: nowrap;
  transition: color .12s ease, background .12s ease;
}
.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--text);
  background: var(--bg3);
}
.site-nav__link.is-active {
  box-shadow: inset 0 -2px 0 var(--accent);
}
.site-context-badge {
  flex: 0 0 auto;
  padding: 4px 9px;
  border: 1px solid var(--border2);
  border-radius: 999px;
  color: var(--text3);
  background: var(--bg2);
  font-family: var(--mono);
  font-size: 10px;
  white-space: nowrap;
}
.site-context-badge--green { color: var(--green); border-color: rgba(47,184,122,.25); background: var(--green-bg); }
.site-context-badge--red { color: var(--red); border-color: rgba(232,79,79,.25); background: var(--red-bg); }
.site-context-badge--accent { color: var(--accent2); border-color: rgba(232,93,47,.25); background: rgba(232,93,47,.1); }

.site-footer {
  all: unset;
  box-sizing: border-box;
  display: block;
  width: 100%;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.site-footer__inner {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 36px 24px 28px;
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) repeat(3, minmax(130px, 1fr));
  gap: 32px;
}
.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: var(--text3);
  font-size: 12px;
}
.site-footer__logo {
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}
.site-footer__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.site-footer__group a {
  color: var(--text3);
  font-family: var(--mono);
  font-size: 11px;
  text-decoration: none;
}
.site-footer__group a:hover { color: var(--accent2); }
.site-footer__label {
  margin-bottom: 3px;
  color: var(--text2);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.site-footer__bottom {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  color: var(--text3);
  font-family: var(--mono);
  font-size: 10px;
}

/* Homepage becomes a balanced four-tool grid. */
.page-home .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.page-home .tool-icon-password { background: rgba(232,162,47,.1); border: 1px solid rgba(232,162,47,.2); }

@media (max-width: 900px) {
  .site-header__inner { gap: 14px; }
  .site-context-badge { display: none; }
  .site-nav { overflow-x: auto; scrollbar-width: none; }
  .site-nav::-webkit-scrollbar { display: none; }
}
@media (max-width: 700px) {
  .site-header__inner {
    min-height: auto;
    padding: 11px 16px 9px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .site-brand { width: fit-content; }
  .site-nav {
    width: 100%;
    margin: 0;
    padding-bottom: 2px;
  }
  .site-nav__link { padding: 7px 9px; }
  .site-footer__inner { grid-template-columns: repeat(2, minmax(0,1fr)); padding-left: 16px; padding-right: 16px; }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__bottom { padding-left: 16px; padding-right: 16px; }
  .page-home .tools-grid { grid-template-columns: 1fr; }
}