/* ================= Fonts to match Binary ================= */
/* Adjust paths to wherever you store fonts (commonly /public/fonts/...) */
@font-face {
  font-family: "DSEG7Classic";
  src: url("/fonts/DSEG7Classic-Regular.woff") format("woff"),
       url("/fonts/DSEG7Classic-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SevenSegment";
  src: url("/fonts/Seven-Segment.woff2") format("woff2"),
       url("/fonts/Seven-Segment.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

.hex-sim {
  min-height: 100vh;
  background: #14151c;
  color: #e7e8ee;
  padding: 28px;
}

.hex-font-number { font-family: "DSEG7Classic", ui-monospace, monospace; }
.hex-font-mono   { font-family: "SevenSegment", ui-monospace, monospace; }

.hex-main { max-width: 1200px; margin: 0 auto; width: 100%; padding-top: 40px; }

.hex-readout { text-align: center; }
.hex-label {
  font-family: "SevenSegment", ui-sans-serif, system-ui;
  font-size: 12px;
  letter-spacing: 2px;
  opacity: 0.7;
}
.hex-mt { margin-top: 12px; }

.hex-number {
  font-family: "DSEG7Classic", ui-monospace, monospace;
  font-size: 76px;
  line-height: 1;
  font-weight: 400;
  color: #46ff8a;
  text-shadow: 0 0 18px rgba(70,255,138,0.18);
}
.hex-number--small { font-size: 64px; }
.hex-number--tiny  { font-size: 54px; letter-spacing: 6px; }

.hex-divider {
  margin: 26px auto 18px;
  height: 1px;
  width: min(760px, 90%);
  background: rgba(255,255,255,0.10);
}

/* ================= Main digit columns ================= */
.hex-digits {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.hex-digit-col {
  width: 160px;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 12px;
  display: grid;
  gap: 10px;
  justify-items: center;
}

.hex-digit-controls {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.hex-digit-char {
  font-size: 64px;
  line-height: 1;
  color: #46ff8a;
  text-shadow: 0 0 18px rgba(70,255,138,0.18);
}

.hex-digit-place {
  font-family: "SevenSegment", ui-monospace, monospace;
  opacity: 0.65;
  font-size: 14px;
  letter-spacing: 1px;
}

/* ================= Bulbs (brightness changes) ================= */
.hex-bulbs {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  align-items: end;
}

.hex-bulb {
  display: grid;
  justify-items: center;
  gap: 6px;
  opacity: 0.35;
  filter: grayscale(30%);
  transition: opacity 160ms ease, filter 160ms ease;
}

.hex-bulb .hex-bulb-cap {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.14);
}

.hex-bulb .hex-bulb-glow {
  width: 18px;
  height: 10px;
  border-radius: 999px;
  background: rgba(70,255,138,0.0);
  box-shadow: 0 0 0 rgba(70,255,138,0.0);
  transition: background 160ms ease, box-shadow 160ms ease;
}

.hex-bulb .hex-bulb-label {
  font-family: "SevenSegment", ui-monospace, monospace;
  font-size: 12px;
  opacity: 0.8;
}

.hex-bulb.is-on {
  opacity: 1;
  filter: none;
}
.hex-bulb.is-on .hex-bulb-cap {
  background: rgba(255,255,255,0.35);
}
.hex-bulb.is-on .hex-bulb-glow {
  background: rgba(70,255,138,0.25);
  box-shadow: 0 0 18px rgba(70,255,138,0.35);
}

/* ================= Buttons (toolbox style reused everywhere) ================= */
.hex-btn {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: #e7e8ee;
  font-weight: 800;
  cursor: pointer;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
.hex-btn:hover { background: rgba(255,255,255,0.10); }

.hex-btn--square {
  width: 48px;
  height: 48px;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 18px;
}

.hex-btn--wide { width: 100%; }

.hex-btn--green {
  background: rgba(46, 200, 120, 0.18);
  border-color: rgba(46,200,120,0.35);
}
.hex-btn--green:hover { background: rgba(46, 200, 120, 0.26); }

.hex-btn--green2 {
  background: rgba(46, 200, 120, 0.18);
  border-color: rgba(46,200,120,0.35);
}

.hex-btn--red {
  background: rgba(220, 60, 70, 0.18);
  border-color: rgba(220,60,70,0.35);
}

/* Random = green pulse while running */
.hex-btn--random.is-running {
  border-color: rgba(80, 255, 160, 0.55);
  background: rgba(46, 200, 120, 0.22);
  box-shadow: 0 0 18px rgba(80, 255, 160, 0.35);
  animation: hexPulseGreen 900ms ease-in-out infinite;
}
@keyframes hexPulseGreen {
  0%, 100% { box-shadow: 0 0 14px rgba(80, 255, 160, 0.25); }
  50% { box-shadow: 0 0 26px rgba(80, 255, 160, 0.45); }
}

/* Reset = red background + pulse on hover */
.hex-btn--reset:hover {
  background: rgba(220, 60, 70, 0.28);
  border-color: rgba(255, 80, 90, 0.55);
  animation: hexPulseRed 900ms ease-in-out infinite;
}
@keyframes hexPulseRed {
  0%, 100% { box-shadow: 0 0 12px rgba(255, 80, 90, 0.20); }
  50% { box-shadow: 0 0 22px rgba(255, 80, 90, 0.38); }
}

/* ================= Toolbox button + panel (slide) ================= */
.hex-toolbox-btn {
  position: fixed;
  top: 88px;
  right: 28px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: #e7e8ee;
  font-weight: 800;
  letter-spacing: 1px;
  cursor: pointer;
}

.hex-toolbox-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: #ff4fa6;
  filter: drop-shadow(0 0 10px rgba(255,79,166,0.35));
}

.hex-toolbox {
  position: fixed;
  top: 140px;
  right: 28px;
  width: 340px;
  display: grid;
  gap: 14px;
  z-index: 25;

  transform: translateX(0);
  opacity: 1;
  transition: transform 220ms ease, opacity 220ms ease;
}
.hex-toolbox:not(.is-open) {
  transform: translateX(380px);
  opacity: 0;
  pointer-events: none;
}

.hex-panel {
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 14px;
}
.hex-panel-title {
  font-family: "SevenSegment", ui-sans-serif, system-ui;
  font-size: 12px;
  letter-spacing: 2px;
  opacity: 0.7;
  margin-bottom: 10px;
}

.hex-setting-title { font-weight: 900; opacity: 0.9; margin-bottom: 10px; }

.hex-width {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  gap: 10px;
  align-items: center;
}
.hex-width-readout {
  border-radius: 14px;
  background: rgba(0,0,0,0.22);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.hex-width-label {
  font-family: "SevenSegment", ui-sans-serif, system-ui;
  opacity: 0.7;
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 12px;
}
.hex-width-number { font-size: 30px; font-weight: 900; color: #46ff8a; }

.hex-hint { margin-top: 8px; opacity: 0.65; font-size: 12px; font-family: "SevenSegment", ui-sans-serif, system-ui; }

.hex-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hex-mt-sm { margin-top: 10px; }

.hex-tools-top { display: flex; gap: 10px; justify-content: center; margin-bottom: 10px; }
.hex-tiny-note { margin-top: 8px; font-size: 11px; opacity: 0.6; letter-spacing: 1px; font-family: "SevenSegment", ui-sans-serif, system-ui; }

/* ================= Dialog ================= */
.hex-dialog { border: none; padding: 0; background: transparent; }
.hex-dialog::backdrop { background: rgba(0,0,0,0.55); }

.hex-dialog-card {
  width: min(560px, 92vw);
  border-radius: 18px;
  background: #1a1b24;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 16px;
  color: #e7e8ee;
}

.hex-dialog-title { font-weight: 900; letter-spacing: 1px; margin-bottom: 10px; font-family: "SevenSegment", ui-sans-serif, system-ui; }

.hex-dialog-input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.25);
  color: #e7e8ee;
  font-size: 18px;
}

.hex-dialog-hint { margin-top: 10px; opacity: 0.7; font-size: 13px; font-family: "SevenSegment", ui-sans-serif, system-ui; }
.hex-dialog-error { margin-top: 8px; font-size: 13px; color: #ff6b6b; min-height: 18px; font-family: "SevenSegment", ui-sans-serif, system-ui; }
.hex-dialog-actions { margin-top: 14px; display: flex; gap: 10px; justify-content: flex-end; }

@media (max-width: 900px) {
  .hex-toolbox { width: min(360px, 92vw); right: 16px; }
  .hex-toolbox-btn { right: 16px; }
  .hex-number { font-size: 60px; }
  .hex-number--tiny { font-size: 40px; letter-spacing: 4px; }
}