@font-face {
  font-family: "Hieroglyphs-Noto";
  src: url("fonts/NotoSansEgyptianHieroglyphs-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Hieroglyphs-Aegyptus";
  src: url("fonts/Aegyptus.otf") format("opentype");
  font-display: swap;
}

@font-face {
  font-family: "Hieroglyphs-JSesh";
  src: url("fonts/JSeshFont.ttf") format("truetype");
  font-display: swap;
}

:root {
  --bg: #1b1d22;
  --panel: #24262c;
  --key: #34373f;
  --key-border: #44474f;
  --key-active: #3a5a7a;
  --key-active-border: #6fa8dc;
  --text: #e8e8ea;
  --text-dim: #8a8d94;
  --accent: #7fd0ff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
  user-select: none;
  overflow: hidden;
}

#panel {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 8px 10px 6px;
}

#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 4px 8px;
  flex-shrink: 0;
}

#titleBlock {
  text-align: center;
  line-height: 1.2;
}

#blockName {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}

#pageIndicator {
  font-size: 11px;
  color: var(--text-dim);
}

.nav-btn {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  border: 1px solid var(--key-border);
  background: var(--key);
  color: var(--accent);
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  line-height: 1;
}

.nav-btn:hover { background: var(--key-active); border-color: var(--key-active-border); }
.nav-btn:active { transform: translateY(1px); }

#keyboard {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  min-height: 0;
}

.row {
  display: flex;
  gap: 5px;
  width: 100%;
}

.key {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  min-width: 0;
  background: var(--key);
  border: 1px solid var(--key-border);
  border-radius: 6px;
  color: var(--text-dim);
  font-size: 12px;
  overflow: hidden;
}

/* flex-grow based widths, matching standard ANSI key units so rows stagger correctly */
.u1    { flex: 1    0 0; }
.u1_25 { flex: 1.25 0 0; }
.u1_5  { flex: 1.5  0 0; }
.u1_75 { flex: 1.75 0 0; }
.u2    { flex: 2    0 0; }
.u2_25 { flex: 2.25 0 0; }
.u2_75 { flex: 2.75 0 0; }
.u6_25 { flex: 6.25 0 0; }

.key .label {
  font-size: 11px;
  color: var(--text-dim);
}

.key.active {
  background: var(--key-active);
  border-color: var(--key-active-border);
  color: var(--text);
  cursor: pointer;
}

.key.active:hover { filter: brightness(1.15); }
.key.active:active { transform: translateY(1px); }

.key.active.empty {
  background: var(--key);
  border-color: var(--key-border);
  cursor: default;
}

.key .sub {
  position: absolute;
  top: 2px;
  left: 4px;
  font-size: 9px;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.key .main {
  font-family: "Hieroglyphs-Noto", sans-serif;
  font-size: 24px;
  line-height: 1;
  color: var(--text);
}

body.font-aegyptus .key .main {
  font-family: "Hieroglyphs-Aegyptus", sans-serif;
}

body.font-jsesh .key .main {
  font-family: "Hieroglyphs-JSesh", sans-serif;
}

.key .code {
  position: absolute;
  bottom: 1px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 7px;
  letter-spacing: 0.03em;
  color: var(--text-dim);
}

.key.pagekey {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
}

.key.pagekey .glyph { font-size: 15px; }
.key.pagekey .sub2 { font-size: 8px; color: var(--text-dim); font-weight: normal; }

.key.flash {
  animation: flash 0.35s ease-out;
}

@keyframes flash {
  0%   { box-shadow: 0 0 0 2px var(--accent) inset; }
  100% { box-shadow: 0 0 0 0 transparent inset; }
}

#toggleBar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding-bottom: 6px;
  flex-shrink: 0;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--text-dim);
}

.toggle-row .switch {
  position: relative;
  width: 34px;
  height: 18px;
  border-radius: 9px;
  background: var(--key);
  border: 1px solid var(--key-border);
  cursor: pointer;
  flex-shrink: 0;
}

.toggle-row .switch .knob {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: left 0.15s ease, background 0.15s ease;
}

.toggle-row.on .switch { border-color: var(--key-active-border); }
.toggle-row.on .switch .knob {
  left: 17px;
  background: var(--accent);
}

.toggle-row .toggleLabel {
  min-width: 46px;
  cursor: pointer;
}

.toggle-row .toggleLabel.active {
  color: var(--text);
  font-weight: 600;
}

#fontSelectRow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--text-dim);
}

#fontSelect {
  background: var(--key);
  color: var(--text);
  border: 1px solid var(--key-border);
  border-radius: 6px;
  font-size: 11px;
  padding: 3px 6px;
  cursor: pointer;
}

#fontSelect:hover { border-color: var(--key-active-border); }
#fontSelect:focus { outline: none; border-color: var(--key-active-border); }

#footnote {
  flex-shrink: 0;
  text-align: center;
  font-size: 10px;
  color: var(--text-dim);
  padding-top: 6px;
  letter-spacing: 0.02em;
}