html {
  --site-header-height: 66px;
  --menu-rail-width: 92px;
  scroll-padding-top: 80px;
}

@media (max-width: 600px) {
  html { --menu-rail-width: 72px; }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: var(--site-header-height);
  padding: 10px clamp(16px, 3vw, 26px);
  border-bottom: 2px solid #dc8238;
  background: #17365d;
  color: white;
}

.site-header .site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: inherit;
  text-decoration: none;
  font: 700 clamp(18px, 4vw, 23px)/1.2 "Segoe UI", Arial, sans-serif;
  letter-spacing: normal;
}

.site-brand img {
  flex: none;
  border-radius: 8px;
}

.site-header :focus-visible {
  outline: 2px solid #ffd29a;
  outline-offset: 3px;
}

#calculator-menu-toggle {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid #7992b0;
  border-radius: 8px;
  background: #23466e;
  color: white;
  cursor: pointer;
}

#calculator-menu-toggle svg {
  width: 22px;
  height: 22px;
}

#calculator-menu {
  box-sizing: border-box;
  width: var(--menu-rail-width);
  margin: 0;
  padding: 14px 0;
  border: 0;
  border-radius: 0;
  background: #f4f7fb;
  color: #182e49;
}

dialog#calculator-menu {
  position: fixed;
  inset: 0 auto 0 0;
  height: 100%;
  max-height: none;
  overflow: visible;
  box-shadow: 4px 0 24px #17365d26;
}

.home-layout {
  display: grid;
  grid-template-columns: var(--menu-rail-width) minmax(0, 1fr);
}

#calculator-menu.home-menu {
  position: sticky;
  z-index: 2;
  top: var(--site-header-height);
  height: calc(100dvh - var(--site-header-height));
  align-self: start;
  border-right: 1px solid #c7d5e5;
}

#calculator-menu::backdrop {
  background: #182e4970;
}

#calculator-menu[open],
#calculator-menu.home-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#calculator-menu[open] {
  animation: calculator-menu-enter 180ms ease-out;
}

#calculator-menu[open].is-closing {
  animation: calculator-menu-exit 150ms ease-in forwards;
}

@keyframes calculator-menu-enter {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes calculator-menu-exit {
  to { transform: translateX(-100%); }
}

@media (prefers-reduced-motion: reduce) {
  #calculator-menu[open],
  #calculator-menu[open].is-closing { animation: none; }
}

#calculator-menu .menu-heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

#calculator-menu .menu-links {
  display: grid;
  gap: 8px;
}

#calculator-menu .menu-links[hidden] {
  display: none;
}

.company-brand:not([hidden]) {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: #17365d;
  overflow-wrap: anywhere;
}

.company-brand img {
  flex: none;
  object-fit: contain;
}

.rail-sign-in:not([hidden]) {
  display: grid;
  place-items: center;
  width: 54px;
  min-height: 44px;
  margin-top: auto;
  border-radius: 8px;
  background: #17365d;
  color: white;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

#calculator-menu .menu-home,
#calculator-menu .menu-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #17365d;
  text-decoration: none;
  font-weight: 600;
}

#calculator-menu .menu-home svg {
  flex: none;
}

#calculator-menu .menu-home {
  width: 54px;
  height: 54px;
  justify-content: center;
}

#calculator-menu .menu-calculator {
  justify-self: start;
}

#calculator-menu .menu-home:hover,
#calculator-menu .menu-home[aria-current="page"],
#calculator-menu .menu-links a:hover,
#calculator-menu .menu-links a[aria-current="page"] {
  border-color: #c7d5e5;
  background: white;
}

#calculator-menu .menu-links img {
  border-radius: 6px;
}

#menu-profile {
  margin-top: auto;
  padding-top: 12px;
}

#profile-disclosure {
  width: 54px;
  padding-top: 12px;
  border-top: 1px solid #c7d5e5;
}

#profile-disclosure summary {
  display: block;
  width: max-content;
  margin-inline: auto;
  border-radius: 50%;
  cursor: pointer;
}

#profile-disclosure summary::-webkit-details-marker {
  display: none;
}

#account-photo:not([hidden]) {
  display: block;
}

#account-photo,
#account-initial {
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 50%;
}

#account-photo {
  object-fit: cover;
}

#account-initial:not([hidden]) {
  display: grid;
  place-items: center;
  background: #dce6f2;
  color: #17365d;
  font-weight: 700;
}

#account-name {
  overflow-wrap: anywhere;
  font-weight: 700;
  padding: 10px 12px;
  border-bottom: 1px solid #dbe4ee;
}

.profile-options {
  position: absolute;
  inset-inline-start: calc(100% + 8px);
  inset-block-end: 14px;
  width: min(240px, calc(100vw - var(--menu-rail-width) - 20px));
  max-height: calc(100% - 28px);
  overflow: auto;
  padding: 4px;
  border: 1px solid #c7d5e5;
  border-radius: 12px;
  background: white;
  box-shadow: 0 8px 24px #17365d1a;
}

@media (max-height: 390px) {
  #calculator-menu { padding-block: 6px; }
  #calculator-menu .menu-heading,
  #calculator-menu .menu-links { gap: 2px; }
  #calculator-menu .menu-heading { margin-bottom: 2px; }
  #menu-profile,
  #profile-disclosure { padding-top: 6px; }
}

#calculator-menu .profile-options :is(button, a) {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #17365d;
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

#calculator-menu .profile-options :is(button, a):hover {
  background: #edf3fa;
}

#logout-status:not(:empty) {
  display: block;
  margin: 4px 12px 8px;
}

#company-details {
  box-sizing: border-box;
  width: min(440px, calc(100% - 32px));
  padding: 24px;
  border: 1px solid #c7d5e5;
  border-radius: 14px;
  color: #182e49;
}

#company-details::backdrop {
  background: #182e4970;
}

#company-details h2 {
  margin: 0 0 16px;
  font-size: 22px;
}

#company-details fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

#company-logo-preview {
  object-fit: contain;
}

#company-details label {
  display: grid;
  gap: 6px;
  margin: 0 0 14px;
}

#company-details input,
#company-details textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #a8b9cb;
  border-radius: 7px;
  background: white;
  font: inherit;
}

#company-details textarea {
  resize: vertical;
}

.company-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.company-actions button {
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid #c7d5e5;
  border-radius: 8px;
  background: white;
  color: #17365d;
  font: inherit;
  cursor: pointer;
}

.company-actions button[type="submit"] {
  border-color: #17365d;
  background: #17365d;
  color: white;
}

.company-actions button:disabled {
  opacity: .6;
  cursor: default;
}