/* =====================================================
   Massar LAB — unified fixed black global header
   - One visible brand per page
   - Landing page uses two balanced levels
   - Internal pages use one compact level
===================================================== */
:root {
  --massar-global-header-height: 68px;
  --massar-original-body-padding-top: 0px;
  --massar-header-bg: #111214;
  --massar-header-bg-soft: #111214;
  --massar-header-border: #2b2d31;
  --massar-header-text: #ffffff;
  --massar-header-muted: #b7bcc3;
  --massar-header-primary: #2d8653;
  --massar-header-primary-dark: #1f6b3e;
  --massar-header-control-bg: #1b1d20;
  --massar-header-control-hover: #25282c;
}

body.massar-global-header-ready:not(.massar-global-header-existing) {
  padding-top: calc(var(--massar-global-header-height) + var(--massar-original-body-padding-top)) !important;
}

body.massar-global-header-existing {
  padding-top: var(--massar-original-body-padding-top) !important;
}

body.massar-global-header-existing > .hero {
  padding-top: calc(var(--massar-global-header-height) + 50px) !important;
}

.massar-global-header {
  position: fixed !important;
  inset: 0 0 auto 0 !important;
  width: 100% !important;
  max-width: none !important;
  height: auto !important;
  min-height: 68px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-bottom: 1px solid var(--massar-header-border) !important;
  border-radius: 0 !important;
  background: var(--massar-header-bg) !important;
  color: var(--massar-header-text) !important;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .18) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  z-index: 2147482000 !important;
  box-sizing: border-box !important;
  isolation: isolate !important;
  font-family: 'Tajawal', Arial, sans-serif !important;
}

.massar-global-header-inner,
.massar-header-main-row,
.massar-header-tools-row-inner {
  width: min(1520px, 100%) !important;
  margin: 0 auto !important;
  box-sizing: border-box !important;
}

.massar-global-header-inner {
  min-height: 67px !important;
  padding: 0 clamp(16px, 3.2vw, 48px) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 22px !important;
}

/* Landing page: main navigation row + compact tools row. */
nav.massar-global-header.massar-landing-header {
  display: block !important;
}

.massar-header-main-row {
  min-height: 70px !important;
  padding: 0 clamp(16px, 3.2vw, 48px) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: clamp(18px, 3vw, 46px) !important;
}

.massar-header-tools-row {
  width: 100% !important;
  min-height: 45px !important;
  border-top: 1px solid var(--massar-header-border) !important;
  background: var(--massar-header-bg-soft) !important;
}

.massar-header-tools-row-inner {
  min-height: 44px !important;
  padding: 0 clamp(16px, 3.2vw, 48px) !important;
  display: flex !important;
  align-items: center !important;
}

.massar-global-header-brand {
  min-width: max-content !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px !important;
  color: var(--massar-header-text) !important;
  text-decoration: none !important;
  line-height: 1 !important;
  flex: 0 0 auto !important;
}

.massar-global-header-logo {
  width: 42px !important;
  height: 42px !important;
  min-width: 42px !important;
  display: block !important;
  border-radius: 11px !important;
  object-fit: cover !important;
  box-shadow: 0 5px 16px rgba(0, 0, 0, .24) !important;
}

.massar-global-header-name {
  color: var(--massar-header-text) !important;
  font-size: 20px !important;
  font-weight: 800 !important;
  letter-spacing: .1px !important;
  white-space: nowrap !important;
}

.massar-global-header-name .massar-lab-word {
  direction: ltr !important;
  unicode-bidi: isolate !important;
  display: inline-block !important;
  margin-inline-start: 3px !important;
}

/* Landing navigation colours on the black bar. */
.massar-landing-header .nav-links {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: clamp(22px, 2.4vw, 38px) !important;
  flex: 1 1 auto !important;
  min-width: 0 !important;
}

.massar-landing-header .nav-links a {
  color: #c8ccd2 !important;
  text-decoration: none !important;
  font-weight: 700 !important;
  white-space: nowrap !important;
  transition: color .18s ease !important;
}

.massar-landing-header .nav-links a:hover,
.massar-landing-header .nav-links a:focus-visible {
  color: #ffffff !important;
}

.massar-landing-header .nav-actions {
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px !important;
  flex: 0 0 auto !important;
}

.massar-landing-header .nav-actions .btn-ghost,
.massar-landing-header .nav-actions .btn-primary {
  min-height: 40px !important;
  padding: 8px 18px !important;
  border-radius: 10px !important;
  font-family: 'Tajawal', Arial, sans-serif !important;
  font-size: 14px !important;
  font-weight: 800 !important;
  line-height: 1 !important;
  box-shadow: none !important;
  white-space: nowrap !important;
}

.massar-landing-header .nav-actions .btn-ghost {
  color: #ffffff !important;
  border: 1px solid #51555b !important;
  background: transparent !important;
}

.massar-landing-header .nav-actions .btn-ghost:hover {
  color: #ffffff !important;
  border-color: #8a9098 !important;
  background: #1b1d20 !important;
}

.massar-landing-header .nav-actions .btn-primary {
  color: #ffffff !important;
  border: 1px solid var(--massar-header-primary) !important;
  background: var(--massar-header-primary) !important;
}

.massar-landing-header .nav-actions .btn-primary:hover {
  background: var(--massar-header-primary-dark) !important;
  border-color: var(--massar-header-primary-dark) !important;
}

.massar-global-header-controls {
  margin-inline-start: auto !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  flex-wrap: nowrap !important;
  gap: 8px !important;
  min-width: 0 !important;
  flex: 0 0 auto !important;
}

.massar-landing-header .massar-global-header-controls {
  min-height: 44px !important;
}

.massar-header-control,
.massar-header-zoom-button,
.massar-header-zoom-value {
  -webkit-appearance: none !important;
  appearance: none !important;
  box-sizing: border-box !important;
  height: 36px !important;
  min-height: 36px !important;
  border: 1px solid #34373c !important;
  border-radius: 9px !important;
  background: var(--massar-header-control-bg) !important;
  color: var(--massar-header-text) !important;
  font-family: 'Tajawal', Arial, sans-serif !important;
  font-size: 13px !important;
  font-weight: 800 !important;
  line-height: 1 !important;
  text-decoration: none !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 7px !important;
  white-space: nowrap !important;
  box-shadow: none !important;
  transform: none !important;
  transition: border-color .18s ease, background .18s ease, color .18s ease !important;
}

.massar-header-control {
  padding: 7px 12px !important;
}

.massar-header-control:hover,
.massar-header-zoom-button:hover,
.massar-header-zoom-value:hover {
  color: #ffffff !important;
  border-color: #5b6067 !important;
  background: var(--massar-header-control-hover) !important;
}

.massar-header-control:focus-visible,
.massar-header-zoom-button:focus-visible,
.massar-header-zoom-value:focus-visible,
.massar-landing-header a:focus-visible {
  outline: 3px solid rgba(45, 134, 83, .55) !important;
  outline-offset: 2px !important;
}

.massar-header-support {
  color: #dff5e7 !important;
  border-color: rgba(66, 158, 100, .55) !important;
  background: rgba(45, 134, 83, .20) !important;
}

.massar-header-support:hover {
  color: #ffffff !important;
  border-color: #4da66e !important;
  background: rgba(45, 134, 83, .32) !important;
}

.massar-header-icon {
  width: 17px !important;
  height: 17px !important;
  min-width: 17px !important;
  display: block !important;
  fill: none !important;
  stroke: currentColor !important;
  stroke-width: 1.9 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
  pointer-events: none !important;
}

.massar-header-control-label {
  pointer-events: none !important;
}

.massar-header-zoom {
  direction: ltr !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0 !important;
  height: 36px !important;
  border: 1px solid #34373c !important;
  border-radius: 9px !important;
  overflow: hidden !important;
  background: var(--massar-header-control-bg) !important;
}

.massar-header-zoom-button,
.massar-header-zoom-value {
  border: 0 !important;
  border-radius: 0 !important;
  height: 34px !important;
  min-height: 34px !important;
}

.massar-header-zoom-button {
  width: 34px !important;
  min-width: 34px !important;
  padding: 0 !important;
  font-family: Arial, sans-serif !important;
  font-size: 19px !important;
  font-weight: 500 !important;
}

.massar-header-zoom-value {
  min-width: 50px !important;
  padding: 0 7px !important;
  color: var(--massar-header-muted) !important;
  font-size: 12px !important;
  border-inline: 1px solid #34373c !important;
}

.massar-header-zoom-button:disabled {
  opacity: .35 !important;
  cursor: not-allowed !important;
  background: #17191b !important;
}

/* Previous scattered controls remain in the DOM for page-specific code. */
body.massar-global-header-ready #langToggleBtn,
body.massar-global-header-ready #adminstarLangBtn,
body.massar-global-header-ready #langBtn,
body.massar-global-header-ready #supportBtn,
body.massar-global-header-ready #topSupportBtn,
body.massar-global-header-ready #adminstarSupportBtn,
body.massar-global-header-ready #bottomButtonsContainer,
body.massar-global-header-ready .bottom-btns,
body.massar-global-header-ready .adminstar-global-tools,
body.massar-global-header-ready .massar-global-tools-inline,
body.massar-global-header-ready .massar-global-top-tools {
  display: none !important;
}

/* Only the fixed global header displays the site identity. */
body.massar-global-header-ready .massar-duplicate-brand {
  display: none !important;
}

/* Fixed/sticky surfaces retain their original offset below the global header. */
body.massar-global-header-ready .massar-header-offset-surface {
  top: calc(var(--massar-global-header-height) + var(--massar-surface-original-top, 0px)) !important;
}

body.massar-global-header-ready .massar-header-sidebar-surface {
  height: calc(100vh - var(--massar-global-header-height)) !important;
  max-height: calc(100vh - var(--massar-global-header-height)) !important;
}

/* Support modal must stay above the fixed header. */
.massar-support-backdrop,
#adminstarSupportModal {
  z-index: 2147483000 !important;
}

@media (max-width: 1120px) {
  .massar-landing-header .nav-links {
    gap: 20px !important;
  }

  .massar-landing-header .nav-actions .btn-ghost,
  .massar-landing-header .nav-actions .btn-primary {
    padding-inline: 14px !important;
  }
}

@media (max-width: 980px) {
  .massar-landing-header .nav-links {
    display: none !important;
  }

  .massar-header-main-row {
    gap: 16px !important;
  }
}

@media (max-width: 760px) {
  body.massar-global-header-existing > .hero {
    padding-top: calc(var(--massar-global-header-height) + 34px) !important;
  }

  .massar-global-header-inner,
  .massar-header-main-row,
  .massar-header-tools-row-inner {
    padding-inline: 12px !important;
  }

  .massar-global-header-inner {
    min-height: 62px !important;
    gap: 10px !important;
  }

  .massar-header-main-row {
    min-height: 62px !important;
    gap: 10px !important;
  }

  .massar-header-tools-row,
  .massar-header-tools-row-inner {
    min-height: 43px !important;
  }

  .massar-global-header-logo {
    width: 35px !important;
    height: 35px !important;
    min-width: 35px !important;
    border-radius: 9px !important;
  }

  .massar-global-header-name {
    font-size: 17px !important;
  }

  .massar-landing-header .nav-actions {
    gap: 7px !important;
  }

  .massar-landing-header .nav-actions .btn-ghost,
  .massar-landing-header .nav-actions .btn-primary {
    min-height: 36px !important;
    padding: 7px 11px !important;
    font-size: 12px !important;
  }

  .massar-header-control,
  .massar-header-zoom {
    height: 34px !important;
    min-height: 34px !important;
  }

  .massar-header-control {
    padding: 6px 9px !important;
  }

  .massar-header-zoom-button,
  .massar-header-zoom-value {
    height: 32px !important;
    min-height: 32px !important;
  }

  .massar-header-zoom-button {
    width: 31px !important;
    min-width: 31px !important;
  }

  .massar-header-zoom-value {
    min-width: 43px !important;
    padding-inline: 4px !important;
  }
}

@media (max-width: 520px) {
  .massar-global-header-brand {
    gap: 7px !important;
  }

  .massar-global-header-controls {
    gap: 5px !important;
  }

  .massar-header-support .massar-header-control-label {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
  }

  .massar-header-support {
    width: 34px !important;
    padding: 0 !important;
  }

  .massar-landing-header .nav-actions .btn-ghost,
  .massar-landing-header .nav-actions .btn-primary {
    padding-inline: 9px !important;
  }
}

@media (max-width: 390px) {
  .massar-global-header-name {
    font-size: 15px !important;
  }

  .massar-global-header-logo {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
  }

  .massar-landing-header .nav-actions .btn-ghost,
  .massar-landing-header .nav-actions .btn-primary {
    font-size: 11px !important;
    padding-inline: 8px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .massar-header-control,
  .massar-header-zoom-button,
  .massar-header-zoom-value,
  .massar-landing-header a {
    transition: none !important;
  }
}

body.massar-global-header-ready:not(.massar-global-header-existing) > .page-wrapper {
  min-height: calc(100vh - var(--massar-global-header-height)) !important;
}