@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
  --hud-green: #39ff8f;
  --hud-green-dim: #1c8a52;
  --hud-orange: #ff9130;
  --hud-red: #ff4655;
  --bg-deep: #050b10;
  --bg-panel: rgba(12, 26, 22, 0.85);
  --panel-border: rgba(57, 255, 143, 0.35);
  --text-main: #d9fbe8;
  --text-dim: #7fa695;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

* { box-sizing: border-box; }
html, body { margin: 0; }

body {
  font-family: "Consolas", "SFMono-Regular", Menlo, Monaco, "Courier New", monospace;
  color: var(--text-main);
  background: radial-gradient(circle at 50% 0%, #0e2a22, var(--bg-deep) 65%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- moving space backdrop ---- */
.starfield {
  position: fixed;
  inset: -400px;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 30% 70%, #fff 50%, transparent 51%),
    radial-gradient(2px 2px at 50% 40%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 70% 12%, #fff 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 85% 55%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 15% 85%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 60% 90%, #fff 50%, transparent 51%),
    radial-gradient(2px 2px at 92% 25%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 45% 12%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 5% 55%, #fff 50%, transparent 51%);
  background-repeat: repeat;
  background-size: 340px 340px;
  opacity: 0.8;
  will-change: transform;
  animation: starfield-fly 22s linear infinite;
}
@keyframes starfield-fly {
  from { transform: translate(0, 0); }
  to   { transform: translate(-340px, 340px); }
}

.starfox-horizon {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.asteroid {
  position: absolute;
  left: -80px;
  width: var(--size, 40px);
  height: var(--size, 40px);
  opacity: var(--opacity, 0.4);
  animation: asteroid-drift var(--duration, 30s) linear infinite;
  animation-delay: var(--delay, 0s);
}
.asteroid-spin {
  width: 100%;
  height: 100%;
  animation: asteroid-tumble var(--spin, 12s) linear infinite;
  animation-delay: var(--delay, 0s);
}
.asteroid-spin svg { display: block; width: 100%; height: 100%; }
.asteroid-spin polygon {
  fill: rgba(12, 26, 22, 0.6);
  stroke: var(--hud-green-dim);
  stroke-width: 1.4;
}
@keyframes asteroid-drift {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(100vw + 160px)); }
}
@keyframes asteroid-tumble {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(57, 255, 143, 0.03),
    rgba(57, 255, 143, 0.03) 1px,
    transparent 2px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

/* ---- page layout ---- */
.page-wrap {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px 60px;
}

.hud-panel {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: var(--bg-panel);
  border: 1px solid var(--panel-border);
  padding: 36px 32px;
  backdrop-filter: blur(6px);
  box-shadow: 0 0 40px rgba(57, 255, 143, 0.08), inset 0 0 60px rgba(0,0,0,0.4);
}
.hud-panel.wide { max-width: 860px; }
.hud-panel.xwide { max-width: 1040px; }

.corner { position: absolute; width: 18px; height: 18px; border: 2px solid var(--hud-green); }
.corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.corner.tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.corner.bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.corner.br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.callsign-row { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.toad-avatar-wrap { position: relative; flex-shrink: 0; width: 46px; height: 46px; }
.toad-avatar { filter: drop-shadow(0 0 6px rgba(57, 255, 143, 0.5)); }
.lock-reticle {
  position: absolute;
  inset: -6px;
  border: 1px dashed rgba(57, 255, 143, 0.5);
  border-radius: 50%;
  animation: reticle-spin 6s linear infinite;
}
.lock-reticle::before, .lock-reticle::after {
  content: ""; position: absolute; width: 7px; height: 7px; border: 1px solid var(--hud-green);
}
.lock-reticle::before { top: -3px; left: -3px; border-right: none; border-bottom: none; }
.lock-reticle::after { bottom: -3px; right: -3px; border-left: none; border-top: none; }
@keyframes reticle-spin { to { transform: rotate(360deg); } }

.login-btn {
  margin-left: auto;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--panel-border);
  padding: 5px 10px;
  flex-shrink: 0;
}
.login-btn:hover { color: var(--hud-green); border-color: var(--hud-green); }

.nav-links { display: flex; gap: 8px; flex-shrink: 0; }
.logout-link {
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--panel-border);
  padding: 5px 10px;
  flex-shrink: 0;
}
.logout-link:hover { color: var(--hud-green); border-color: var(--hud-green); }

.callsign {
  font-family: "Press Start 2P", "Consolas", monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: var(--hud-orange);
  text-transform: uppercase;
  flex: 1;
}

h1 {
  font-family: "Press Start 2P", "Consolas", monospace;
  font-size: 1.15rem;
  line-height: 1.6;
  margin: 8px 0 6px;
  letter-spacing: 0.02em;
  color: var(--hud-green);
  text-shadow: 0 0 12px rgba(57, 255, 143, 0.45);
}

.subtitle {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0 0 14px;
  letter-spacing: 0.03em;
}

/* ---- filter tabs / toggle groups ---- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--panel-border);
}
.hud-tab {
  font-family: inherit;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--panel-border);
  padding: 6px 12px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.hud-tab:hover { color: var(--hud-green); border-color: var(--hud-green-dim); }
.hud-tab.active {
  color: var(--hud-green);
  border-color: var(--hud-green);
  background: rgba(57, 255, 143, 0.12);
  box-shadow: 0 0 10px rgba(57,255,143,0.15);
}

/* ---- console grid / cards ---- */
.console-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.console-card {
  border: 1px solid var(--panel-border);
  background: rgba(0, 0, 0, 0.25);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.console-card.hidden { display: none; }
.console-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  border-bottom: 1px dashed var(--panel-border);
  padding-bottom: 8px;
}
.console-name-wrap { display: flex; align-items: center; gap: 8px; min-width: 0; }
.console-icon { font-size: 1.1rem; flex-shrink: 0; }
.console-name {
  font-weight: bold;
  letter-spacing: 0.02em;
  color: var(--hud-green);
  font-size: 0.92rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid currentColor;
  flex-shrink: 0;
  color: var(--hud-green-dim);
}
.card-blurb { margin: 0; font-size: 0.82rem; line-height: 1.45; color: var(--text-main); flex-grow: 1; }
a.dl {
  align-self: flex-start;
  color: var(--hud-green);
  text-decoration: none;
  border: 1px solid var(--hud-green-dim);
  padding: 5px 12px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
a.dl:hover { background: rgba(57, 255, 143, 0.14); }

/* ---- comm-link transmission window ---- */
.comm-window {
  margin-top: 28px;
  display: flex;
  align-items: stretch;
  border: 1px solid var(--panel-border);
  background: rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}
.comm-portrait {
  flex-shrink: 0;
  width: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(57, 255, 143, 0.06);
  border-right: 1px solid var(--panel-border);
}
.comm-portrait svg { filter: drop-shadow(0 0 6px rgba(57, 255, 143, 0.5)); }
.comm-body { padding: 10px 12px; flex: 1; min-width: 0; }
.comm-label {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hud-orange);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 5px;
}
.comm-label .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--hud-red); flex-shrink: 0;
  animation: comm-blink 1s steps(1) infinite;
}
@keyframes comm-blink { 50% { opacity: 0; } }
.comm-body p { margin: 0; font-size: 0.78rem; font-style: italic; color: var(--text-main); line-height: 1.4; }

/* ---- action buttons ---- */
.hud-btn {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 14px 12px;
  background: linear-gradient(180deg, rgba(57,255,143,0.18), rgba(57,255,143,0.06));
  border: 1px solid var(--hud-green);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), inset 0 -3px 0 rgba(0,0,0,0.35);
  color: var(--hud-green);
  font-family: "Press Start 2P", "Consolas", monospace;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.62rem;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
.hud-btn:hover { background: rgba(57, 255, 143, 0.28); }
.hud-btn:active { transform: translateY(2px); }
.hud-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---- status strip / stat pills ---- */
.status-strip {
  margin-top: 18px;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-strip .pip {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--hud-green);
  box-shadow: 0 0 6px var(--hud-green);
  flex-shrink: 0;
}
.status-strip .pip.off { background: var(--text-dim); box-shadow: none; }

.stat-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 14px; }
.stat-pill {
  border: 1px solid var(--panel-border);
  padding: 5px 12px;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  background: rgba(57, 255, 143, 0.06);
}
.stat-pill span { color: var(--hud-green); font-weight: bold; }

/* ================= SYNTH CONSOLE ================= */

.arm-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 11, 16, 0.88);
  cursor: pointer;
  border: 1px solid var(--panel-border);
}
.arm-overlay.hidden { display: none; }
.arm-btn-inner {
  text-align: center;
  color: var(--hud-green);
  font-family: "Press Start 2P", "Consolas", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 18px 26px;
  border: 1px solid var(--hud-green);
  background: rgba(57, 255, 143, 0.08);
  box-shadow: 0 0 24px rgba(57, 255, 143, 0.18);
}
.arm-btn-inner small {
  display: block;
  margin-top: 10px;
  font-family: "Consolas", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  text-transform: none;
}

.synth-console {
  position: relative;
  border: 1px solid var(--panel-border);
  background: rgba(0,0,0,0.25);
  padding: 14px;
  margin-bottom: 12px;
}

/* Sits below the piano now, not at the top of .synth-console — see
   index.html — so it needs its own top margin instead of relying on
   whatever came before it in the console. */
.scope-frame {
  border: 1px solid var(--panel-border);
  background: #071410;
  margin: 14px 0;
  line-height: 0;
  overflow: hidden;
}
#scope-canvas { display: block; width: 100%; height: 120px; }

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px 16px;
  margin-bottom: 6px;
}
.control-block { display: flex; flex-direction: column; gap: 6px; }
.control-label {
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--hud-orange);
  display: flex;
  justify-content: space-between;
}
.control-label .val { color: var(--hud-green); }

.wave-toggle { display: flex; gap: 6px; flex-wrap: wrap; }
.wave-toggle .hud-tab { flex: 1; text-align: center; padding: 8px 6px; font-size: 0.62rem; }

.hud-select {
  width: 100%;
  /* Solid, not translucent: the native <option> popup renders as its own
     layer and doesn't composite over the page background, so a
     transparent rgba() here left the open dropdown list showing options
     in a pale/near-white system popup with barely-there text. */
  background-color: #06120c;
  border: 1px solid var(--panel-border);
  color: var(--hud-green);
  font-family: inherit;
  font-size: 0.78rem;
  padding: 9px 10px;
  cursor: pointer;
}
.hud-select:hover { border-color: var(--hud-green-dim); }
.hud-select:focus { outline: none; border-color: var(--hud-green); }
.hud-select option {
  background-color: #06120c;
  color: var(--hud-green);
}
.preset-hint { font-size: 0.66rem; color: var(--text-dim); margin: 2px 0 0; }

.hud-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--panel-border);
  outline: none;
  cursor: pointer;
}
.hud-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--hud-green);
  border: 1px solid #06150f;
  box-shadow: 0 0 8px rgba(57,255,143,0.6);
  cursor: pointer;
}
.hud-range::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--hud-green);
  border: 1px solid #06150f;
  box-shadow: 0 0 8px rgba(57,255,143,0.6);
  cursor: pointer;
  border-radius: 0;
}
.hud-range::-moz-range-track { background: var(--panel-border); height: 4px; }

.octave-block { display: flex; align-items: center; gap: 10px; }
.octave-btn {
  width: 32px; height: 32px;
  border: 1px solid var(--panel-border);
  background: rgba(0,0,0,0.3);
  color: var(--hud-green);
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
}
.octave-btn:hover { border-color: var(--hud-green); background: rgba(57,255,143,0.1); }
.octave-readout {
  flex: 1;
  text-align: center;
  border: 1px solid var(--panel-border);
  padding: 6px;
  font-size: 0.75rem;
  color: var(--hud-green);
  letter-spacing: 0.05em;
}

/* ---- piano ---- */
.piano-wrap {
  position: relative;
  width: 100%;
  height: 170px;
  margin-top: 4px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
.piano-white-row {
  display: flex;
  width: 100%;
  height: 100%;
  gap: 2px;
}
.white-key {
  flex: 1;
  position: relative;
  background: linear-gradient(180deg, #0f231c, #081511);
  border: 1px solid var(--panel-border);
  border-radius: 0 0 4px 4px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
  cursor: pointer;
  transition: background 0.05s, box-shadow 0.05s;
}
.white-key.active {
  background: linear-gradient(180deg, rgba(57,255,143,0.35), rgba(57,255,143,0.12));
  box-shadow: 0 0 16px rgba(57,255,143,0.5), inset 0 0 10px rgba(57,255,143,0.3);
  border-color: var(--hud-green);
}
.black-key {
  position: absolute;
  top: 0;
  width: 7%;
  height: 60%;
  background: linear-gradient(180deg, #142a22, #050b09);
  border: 1px solid var(--hud-green-dim);
  border-radius: 0 0 3px 3px;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 6px;
  cursor: pointer;
  transition: background 0.05s, box-shadow 0.05s;
}
.black-key.active {
  background: linear-gradient(180deg, rgba(57,255,143,0.55), rgba(57,255,143,0.2));
  box-shadow: 0 0 16px rgba(57,255,143,0.6);
}
/* Held-but-waiting-its-turn indicator for notes queued in the arpeggiator. */
.white-key.arp-queued:not(.active) {
  background: linear-gradient(180deg, rgba(57,255,143,0.16), rgba(57,255,143,0.05));
  border-color: var(--hud-green-dim);
}
.black-key.arp-queued:not(.active) {
  background: linear-gradient(180deg, rgba(57,255,143,0.3), rgba(57,255,143,0.08));
  border-color: var(--hud-green-dim);
}
.key-cap {
  font-size: 0.6rem;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  text-transform: uppercase;
  pointer-events: none;
  line-height: 1.3;
  text-align: center;
}
.white-key .key-cap { color: var(--text-dim); }
.black-key .key-cap { color: var(--text-main); }
.white-key.active .key-cap, .black-key.active .key-cap { color: #06150f; font-weight: bold; }
.key-cap .note-name { display: block; font-size: 0.55rem; opacity: 0.7; }

.piano-hint {
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.5;
}
.piano-hint b { color: var(--hud-orange); }

/* ---- back button row ---- */
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-row .hud-btn { flex: 1; min-width: 160px; }

@media (max-width: 480px) {
  .page-wrap { padding: 24px 14px 40px; }
  .hud-panel { padding: 26px 18px; }
  .piano-wrap { height: 130px; }
}

/* ---- Effects section ---- */
.fx-section-heading {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hud-orange);
  border-bottom: 1px dashed var(--panel-border);
  padding-bottom: 6px;
  margin: 14px 0 8px;
}
.fx-toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.fx-toggle {
  border: 1px solid var(--panel-border);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 12px;
  cursor: pointer;
  flex-shrink: 0;
}
.fx-toggle:hover { border-color: var(--hud-green-dim); }
.fx-toggle.on {
  color: var(--hud-green);
  border-color: var(--hud-green);
  background: rgba(57, 255, 143, 0.14);
  box-shadow: 0 0 8px rgba(57, 255, 143, 0.25);
}

/* ---- Metronome ---- */
.metro-leds { display: flex; gap: 6px; margin-top: 10px; }
.metro-led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(57, 255, 143, 0.08);
  border: 1px solid var(--panel-border);
  transition: background 0.05s, box-shadow 0.05s;
}
.metro-led.lit {
  background: var(--hud-green);
  box-shadow: 0 0 8px rgba(57, 255, 143, 0.8);
}
.metro-led.accent.lit {
  background: var(--hud-orange);
  box-shadow: 0 0 10px rgba(255, 145, 48, 0.9);
}

/* ---- Record/download ---- */
.hud-btn.rec-on {
  color: var(--hud-red);
  border-color: var(--hud-red);
  background: rgba(255, 70, 85, 0.22);
  box-shadow: 0 0 16px rgba(255, 70, 85, 0.5), inset 0 1px 0 rgba(255,255,255,0.15);
  animation: rec-pulse 1s ease-in-out infinite;
}
@keyframes rec-pulse {
  50% { box-shadow: 0 0 6px rgba(255, 70, 85, 0.25), inset 0 1px 0 rgba(255,255,255,0.15); }
}

/* ---- perf-lite -------------------------------------------------------------
   Toggled on <html> by the inline perf-lite snippet (low-power devices) or by
   the user's "reduce effects" preference. The starfield itself stays: it is a
   compositor transform now and costs essentially nothing. What this drops are
   the two effects that force full-viewport work every frame -- mix-blend-mode
   compositing and backdrop-filter blur. */
.perf-lite { --bg-panel: rgba(12, 26, 22, 0.95); }
.perf-lite .scanlines { mix-blend-mode: normal; opacity: 0.4; }
.perf-lite .starfield,
.perf-lite .asteroid,
.perf-lite .asteroid-spin { animation: none; }
.perf-lite *,
.perf-lite *::before,
.perf-lite *::after {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}


/* ---- phone-sized touch targets: header nav chips (2026-08-21) --------------
   These chips render 24-30px tall, well under the ~44px a thumb reliably hits.
   The tool subdomains have carried this since 2026-08-13; the games, casino
   and hub pages never picked it up. Scoped to the phone breakpoint, so the
   desktop layout is untouched. Keep this block in sync across subdomains. */
.login-btn, .logout-link, .home-link, .rules-link, .back-home-link {
  touch-action: manipulation;
}
@media (max-width: 560px) {
  .login-btn, .logout-link, .home-link, .rules-link, .back-home-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* The header is one nowrap flex line, so the chips run off the right edge on
     a narrow phone -- and once signed in the label grows to "Logout (username)"
     and pushes the last chip out of reach on every one of these pages. Let the
     row wrap instead; where it already fits, wrap changes nothing. */
  .callsign-row, .nav-links { flex-wrap: wrap; }
  /* .nav-links is flex-shrink:0, so it holds its max-content width and the
     last chip lands past the right edge -- wrapping cannot help until the row
     is allowed to shrink below that width. */
  .nav-links { flex-shrink: 1; min-width: 0; max-width: 100%; }
  .login-btn, .logout-link {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}