.bios-root {
  font-family: 'Courier New', Courier, 'Lucida Console', monospace;
  font-size: clamp(12px, 1.6vw, 17px);
  line-height: 1.25;
  letter-spacing: 0.5px;
  user-select: none;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: unset;
  text-rendering: optimizeSpeed;
  box-sizing: border-box;
}

#bios-post-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000000;
  color: #c0c0c0;
  z-index: 999999990;
  display: none;
  flex-direction: column;
  padding: 18px 24px;
  box-sizing: border-box;
  overflow: hidden;
  cursor: default;
}

#bios-post-screen.active {
  display: flex;
}

.post-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  margin-bottom: 8px;
}

.post-header-text {
  flex: 1;
  color: #ffffff;
}

.post-title-main {
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 2px;
}

.post-title-sub {
  color: #a0a0a0;
  font-size: 0.95em;
  margin-bottom: 4px;
}

.post-title-mb {
  color: #ffff55;
  font-size: 0.95em;
  margin-top: 4px;
}

.post-energy-star {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 2px solid #ffff00;
  padding: 4px 10px;
  background-color: #000000;
  color: #ffff00;
  text-align: center;
  width: 170px;
  flex-shrink: 0;
  margin-left: 16px;
}

.energy-star-title {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 1px;
  color: #ffff00;
  margin-bottom: 2px;
}

.energy-star-icon {
  font-size: 26px;
  color: #00ff66;
  line-height: 1;
  margin: 2px 0;
}

.energy-star-sub {
  font-size: 9px;
  font-weight: bold;
  color: #ffff00;
  line-height: 1.1;
  letter-spacing: 0.5px;
}

.post-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  color: #c0c0c0;
  overflow-y: auto;
  scrollbar-width: none;
  margin-top: 10px;
}

.post-body::-webkit-scrollbar {
  display: none;
}

.post-line {
  min-height: 1.25em;
  white-space: pre-wrap;
  word-break: break-word;
}

.post-heading {
  font-weight: bold;
  margin-bottom: 4px;
}

.post-gap {
  margin-top: 6px;
}

.post-boot-line {
  margin-top: 10px;
  font-weight: bold;
}

.post-white { color: #ffffff; }
.post-yellow { color: #ffff55; }
.post-cyan { color: #55ffff; }
.post-dim { color: #808080; }

.post-pci-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 0.92em;
}

.post-pci-table th,
.post-pci-table td {
  text-align: left;
  padding: 1px 8px;
  white-space: nowrap;
}

.post-pci-table th {
  color: #55ffff;
  border-bottom: 1px solid #808080;
}

.post-pci-table td {
  color: #ffffff;
}

.post-footer {
  margin-top: auto;
  border-top: 1px solid #404040;
  padding-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.post-prompt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 16px;
  color: #ffffff;
}

.post-chipset-id {
  color: #808080;
  font-size: 0.88em;
}

.post-action-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.post-action-btn {
  background: #101010;
  border: 1px solid #606060;
  color: #ffff55;
  font-family: inherit;
  font-size: 0.85em;
  padding: 3px 10px;
  cursor: pointer;
  white-space: pre;
}

.post-action-btn:focus-visible {
  outline: 2px solid #ffff55;
  outline-offset: 2px;
}

.post-halted {
  margin: auto;
  text-align: center;
  max-width: 60ch;
}

.post-halted-title {
  font-size: 2em;
  font-weight: bold;
  color: #ff5555;
  margin-bottom: 10px;
}

.post-halted p {
  margin: 10px 0;
}

.post-halted-actions {
  justify-content: center;
  margin-top: 20px;
}

#bios-setup-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 999999995;
  display: none;
  flex-direction: column;
  box-sizing: border-box;
  padding: 12px 18px;
  overflow: hidden;
  user-select: none;
  cursor: default;
  background-color: var(--bios-bg);
  color: var(--bios-title);
}

#bios-setup-screen.active {
  display: flex;
}

#bios-setup-screen.theme-blue {
  --bios-bg: #0000aa;
  --bios-border: #aaaaaa;
  --bios-header: #ffff55;
  --bios-title: #ffffff;
  --bios-active-bg: #aa0000;
  --bios-active-text: #ffffff;
  --bios-active-val: #ffff55;
  --bios-opt-label: #ffffff;
  --bios-opt-val: #55ffff;
  --bios-dim: #00aaaa;
  --bios-locked: #5555ff;
  --bios-hover: rgba(255, 255, 255, 0.12);
}

#bios-setup-screen.theme-amber {
  --bios-bg: #120800;
  --bios-border: #ff8800;
  --bios-header: #ffcc00;
  --bios-title: #ffaa00;
  --bios-active-bg: #ffaa00;
  --bios-active-text: #000000;
  --bios-active-val: #000000;
  --bios-opt-label: #ffaa00;
  --bios-opt-val: #ffdd44;
  --bios-dim: #aa6a00;
  --bios-locked: #7a4a00;
  --bios-hover: rgba(255, 170, 0, 0.14);
}

#bios-setup-screen.theme-green {
  --bios-bg: #021204;
  --bios-border: #00aa33;
  --bios-header: #88ff88;
  --bios-title: #00ff55;
  --bios-active-bg: #00ff55;
  --bios-active-text: #000000;
  --bios-active-val: #000000;
  --bios-opt-label: #00ff55;
  --bios-opt-val: #aaffaa;
  --bios-dim: #00993a;
  --bios-locked: #006622;
  --bios-hover: rgba(0, 255, 85, 0.12);
}

#bios-setup-screen.theme-mono {
  --bios-bg: #000000;
  --bios-border: #808080;
  --bios-header: #ffffff;
  --bios-title: #ffffff;
  --bios-active-bg: #ffffff;
  --bios-active-text: #000000;
  --bios-active-val: #000000;
  --bios-opt-label: #ffffff;
  --bios-opt-val: #ffffff;
  --bios-dim: #a0a0a0;
  --bios-locked: #606060;
  --bios-hover: rgba(255, 255, 255, 0.12);
}

.bios-header {
  text-align: center;
  margin-bottom: 6px;
}

.bios-header-top {
  color: var(--bios-dim);
  font-size: 0.9em;
}

.bios-header-title {
  font-size: 1.2em;
  font-weight: bold;
  color: var(--bios-header);
  letter-spacing: 1px;
}

.bios-header-vendor {
  color: var(--bios-title);
  font-size: 0.95em;
}

.bios-main-frame {
  flex: 1;
  min-height: 0;
  display: flex;
  border: 2px solid var(--bios-border);
  padding: 14px 20px;
  gap: 24px;
  box-sizing: border-box;
  overflow-y: auto;
}

.bios-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 1em;
  padding: 1.5em 10px 4px;
}

.bios-menu-item {
  padding: 6px 12px;
  color: var(--bios-title);
  font-weight: bold;
  cursor: pointer;
  border: 1px solid transparent;
}

.bios-menu-item.locked {
  color: var(--bios-locked);
}

.bios-menu-item.active {
  background: var(--bios-active-bg);
  color: var(--bios-active-text);
  border-color: var(--bios-title);
}

.bios-divider {
  width: 2px;
  background: var(--bios-border);
  margin: 0 4px;
}

.bios-footer {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bios-status-line {
  border: 1px solid var(--bios-border);
  padding: 4px 10px;
  min-height: 1.25em;
  color: var(--bios-header);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bios-keys-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 2em;
  font-size: 0.88em;
  color: var(--bios-title);
}

.bios-key-tag {
  color: var(--bios-header);
  font-weight: bold;
}

.bios-touch-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.bios-nav-btn {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--bios-border);
  color: var(--bios-title);
  font-family: inherit;
  font-size: 0.82em;
  padding: 4px 8px;
  cursor: pointer;
}

.bios-nav-btn.accent {
  color: var(--bios-header);
  font-weight: bold;
}

.bios-nav-btn.confirm {
  color: #55ff55;
}

.bios-nav-btn:focus-visible,
.bios-modal-btn:focus-visible {
  outline: 2px solid var(--bios-header, #ffff55);
  outline-offset: 2px;
}

.bios-submenu-container {
  flex: 1;
  min-height: 0;
  border: 2px solid var(--bios-border);
  display: flex;
  flex-direction: column;
  padding: 10px 18px;
  box-sizing: border-box;
}

.bios-option-list {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.bios-option-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 3px 8px;
  cursor: pointer;
  border: 1px solid transparent;
}

.bios-option-row.active {
  background: var(--bios-active-bg);
  border-color: var(--bios-title);
}

.bios-opt-label {
  color: var(--bios-opt-label);
  flex: 1;
}

.bios-opt-val {
  color: var(--bios-opt-val);
  font-weight: bold;
  text-align: right;
}

.bios-option-row.locked .bios-opt-label,
.bios-option-row.locked .bios-opt-val,
.bios-option-row.locked .bios-drive-cols {
  color: var(--bios-locked);
}

.bios-option-row.active .bios-opt-label,
.bios-option-row.active.locked .bios-opt-label {
  color: var(--bios-active-text);
}

.bios-option-row.active .bios-opt-val,
.bios-option-row.active .bios-drive-cols {
  color: var(--bios-active-val);
}

.bios-option-row.active.locked .bios-opt-val {
  color: var(--bios-active-text);
  opacity: 0.7;
}

.bios-option-row.drive-row {
  display: grid;
  grid-template-columns: 11em 1fr;
}

.bios-drive-cols {
  display: grid;
  grid-template-columns: 6.5em repeat(6, minmax(3.5em, 1fr)) 4em;
  column-gap: 0.6em;
  text-align: right;
  color: var(--bios-opt-val);
  font-weight: bold;
}

.bios-drive-cols span:first-child {
  text-align: left;
}

.bios-option-row.drive-head {
  cursor: default;
  border-bottom: 1px solid var(--bios-border);
  margin-top: 6px;
}

.drive-head .bios-opt-label,
.drive-head .bios-drive-cols {
  color: var(--bios-dim);
  font-weight: normal;
  font-size: 0.9em;
}

.bios-memory-panel {
  border: 1px solid var(--bios-border);
  padding: 6px 12px;
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px 18px;
  font-size: 0.9em;
  background: rgba(0, 0, 0, 0.2);
}

.bios-mem-row {
  display: flex;
  justify-content: space-between;
}

.bios-mem-label { color: var(--bios-title); }
.bios-mem-val { color: var(--bios-header); font-weight: bold; }

.bios-cpu-name {
  grid-column: 1 / -1;
  color: var(--bios-opt-val);
}

.bios-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  z-index: 100;
}

.bios-modal-box {
  background-color: #aa0000;
  border: 3px double #ffffff;
  color: #ffffff;
  padding: 16px 24px;
  text-align: center;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.6);
  min-width: min(320px, 100%);
  max-width: 500px;
  box-sizing: border-box;
}

.bios-modal-box.help-box {
  background-color: #0000aa;
  border-color: #55ffff;
  text-align: left;
}

.bios-modal-box.wide {
  max-width: 720px;
}

.bios-modal-title {
  font-size: 1.1em;
  font-weight: bold;
  color: #ffff55;
  margin-bottom: 12px;
}

.bios-modal-note {
  color: #ffffff;
  font-size: 0.9em;
}

.bios-modal-input-wrap {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

.bios-modal-input {
  background: #000000;
  border: 1px solid #ffffff;
  color: #55ffff;
  font-family: inherit;
  font-size: 1em;
  padding: 4px 10px;
  width: 140px;
  text-align: center;
  outline: none;
  text-transform: uppercase;
}

.bios-modal-input:focus {
  border-color: #ffff55;
}

.bios-modal-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.bios-modal-btn {
  background: #ffffff;
  color: #000000;
  border: none;
  font-family: inherit;
  font-weight: bold;
  font-size: 0.9em;
  padding: 3px 14px;
  cursor: pointer;
}

.bios-help-body {
  font-size: 0.92em;
  line-height: 1.4;
  color: #ffffff;
  margin: 10px 0;
}

.bios-help-warn {
  color: #ffff55;
}

.bios-hdd-auto-log {
  font-family: inherit;
  font-size: 0.85em;
  line-height: 1.35;
  text-align: left;
  color: #ffffff;
  margin: 10px 0;
  background: #000000;
  padding: 10px;
  border: 1px solid #808080;
  white-space: pre;
  overflow-x: auto;
}

@media (hover: hover) {
  .post-action-btn:hover {
    background: #303030;
    border-color: #ffff55;
  }

  .bios-menu-item:not(.active):hover,
  .bios-option-row[data-idx]:not(.active):hover {
    background: var(--bios-hover);
  }

  .bios-nav-btn:hover {
    background: var(--bios-active-bg);
    color: var(--bios-active-text);
  }

  .bios-modal-btn:hover {
    background: #ffff55;
  }
}

@media (max-width: 640px) {
  #bios-post-screen,
  #bios-setup-screen {
    padding: 10px 12px;
  }

  .post-energy-star {
    display: none;
  }

  .post-pci-table th:nth-child(-n+3),
  .post-pci-table td:nth-child(-n+3) {
    display: none;
  }

  .bios-main-frame {
    flex-direction: column;
    gap: 8px;
    padding: 8px;
  }

  .bios-col {
    justify-content: flex-start;
    gap: 2px;
    padding: 0;
  }

  .bios-divider {
    width: auto;
    height: 1px;
    margin: 0;
  }

  .bios-submenu-container {
    padding: 6px 8px;
  }

  .bios-status-line {
    white-space: normal;
  }

  .bios-option-row.drive-row {
    grid-template-columns: 1fr auto;
  }

  .bios-drive-cols {
    grid-template-columns: 5em 4em;
  }

  .bios-drive-cols span:nth-child(n+3) {
    display: none;
  }
}