/* =========================================================
   1. DESIGN TOKENS
========================================================= */

:root {
  --btn-idle: #888;
  --btn-hover: #fff;

  --color-primary: #888;
  --color-secondary: #fff;
  --color-tertiary: #ccc;
  --color-error: #ff4d4d;

  --ui-primary: var(--color-primary);
  --ui-secondary: var(--color-secondary);
  --ui-tertiary: var(--color-tertiary);
  --ui-primary-safe: var(--color-primary);

  /* Text sizes */
  --terminal-font: 14px;
  --terminal-header-font: 12px;
  --status-font: 11px;

  /* Button sizes */
  --btn-font: 14px;                 /* back + fullscreen + ui */
  --enter-font: 14px;               /* enter (kan apart schalen) */

  /* Button layout */
  --ui-btn-padding: 10px 18px;
  --enter-padding: 16px 32px;
  --ui-btn-letter-spacing: 2px;
  --enter-letter-spacing: 3px;
  --ui-btn-min-width: 160px;

  /* Intro title */
  --intro-title-font: 18px;
}

.theme-guard-black {
  --ui-primary-safe: #d0d0d0;
}


/* =========================================================
   2. GLOBAL BASE
========================================================= */

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #050505;
  font-family: "IBM Plex Mono", "Noto Sans JP", monospace;
  -webkit-font-smoothing: antialiased;
}

canvas {
  position: fixed;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.cursor-hidden {
  cursor: none;
}

/* Hide buttons until fonts loaded */
body:not(.fonts-loaded) .fullscreen-page-btn,
body:not(.fonts-loaded) #enterBtn,
body:not(.fonts-loaded) .back-button {
  visibility: hidden;
}

:fullscreen .site-footer {
  display: none;
}

/* =========================================================
   3. SHARED UI BUTTON BASE
========================================================= */

.ui-button,
.fullscreen-page-btn,
.back-button {
  padding: var(--ui-btn-padding);
  font-size: var(--btn-font);
  letter-spacing: var(--ui-btn-letter-spacing);
  min-width: var(--ui-btn-min-width);
  text-align: center;

  border: 1px solid var(--btn-idle);
  background: rgba(0, 0, 0, 0.75);
  color: var(--btn-idle);

  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: 0.25s ease;
}

/* ENTER has its own sizing tokens */
#enterBtn {
  padding: var(--enter-padding);
  font-size: var(--enter-font);
  letter-spacing: var(--enter-letter-spacing);
  min-width: var(--ui-btn-min-width);
  text-align: center;

  border: 1px solid var(--btn-idle);
  background: rgba(0, 0, 0, 0.75);
  color: var(--btn-idle);

  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: 0.25s ease;
  max-width: 90vw;
}

#backBtn {
display:none;
}

#fullscreenPageBtn {
display:block;
}


/* =========================================================
   4. PULSE ANIMATIONS
========================================================= */

@keyframes pulsePrimary {
  0%   { box-shadow: 0 0 0 transparent; }
  50%  { box-shadow: 0 0 18px var(--color-primary); }
  100% { box-shadow: 0 0 0 transparent; }
}

@keyframes pulseSecondary {
  0%   { box-shadow: 0 0 0 transparent; }
  50%  { box-shadow: 0 0 22px var(--color-secondary); }
  100% { box-shadow: 0 0 0 transparent; }
}


/* =========================================================
   5. BUTTON BEHAVIOR
========================================================= */

/* ENTER: idle primary pulse */
#enterBtn {
  animation: pulsePrimary 2.4s ease-in-out infinite;
}

/* ENTER: hover secondary pulse */
#enterBtn:hover {
  animation: pulseSecondary 1.6s ease-in-out infinite;
  background: rgba(15, 15, 15, 0.9);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

/* BACK + FULLSCREEN: hover secondary pulse (no idle pulse) */
.back-button:hover,
.fullscreen-page-btn:hover {
  animation: pulseSecondary 1.6s ease-in-out infinite;
  background: rgba(15, 15, 15, 0.9);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}


/* =========================================================
   6. POSITIONED UI ELEMENTS
========================================================= */

.status {
  position: fixed;
  top: 18px;
  left: 28px;
  font-size: var(--status-font);
  letter-spacing: 3px;
  color: rgba(200, 200, 200, 0.45);
  z-index: 9;
}

.fullscreen-page-btn {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 999;
}

.back-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 12;
}

/* Hide UI buttons in fullscreen */
body.is-fullscreen .fullscreen-page-btn {
display:none;
}


/* =========================================================
   7. INTRO SCREEN
========================================================= */

.intro-screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 11;
  visibility: hidden;
}

.intro-screen.ready {
  visibility: visible;
}

.intro-title {
  font-size: var(--intro-title-font);
  letter-spacing: 2px;
  margin-bottom: 24px;
  color: var(--ui-tertiary);
  text-transform: uppercase;
}

.intro-title::before {
  content: "> ";
  color: var(--color-secondary);
}

.event-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 8px 10px;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.4px;
  background: rgba(140, 0, 0, 0.92);
  color: #fff;
  z-index: 9999;
  user-select: none;
}

.hidden {
  display: none;
}


/* =========================================================
   8. TERMINAL LAYOUT
========================================================= */

.terminal {
  position: fixed;
  inset: 0;
  margin: auto;
  width: min(92vw, 880px);
  min-width: 320px;
  height: min(60dvh, 700px);
  max-height: 90vh;

  background: rgba(14, 18, 14, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);

  display: flex;
  flex-direction: column;

  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.85);
  z-index: 10;

  opacity: 0;
  transition: opacity 0.4s ease;
}

.terminal.open {
  opacity: 1;
}

.terminal-header {
  height: 36px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: var(--terminal-header-font);
  color: rgba(220, 220, 220, 0.75);
  border-bottom: 1px solid rgba(0, 0, 0, 0.6);
}

.terminal-title {
  flex: 1;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  font-size: var(--terminal-font);
  line-height: 1.55;
  color: #e8e8e8;
}

.terminal-output {
  padding: 12px 18px 40px 18px;
}

.term-line {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.4;
}

/* Terminal colors */
.userhost { color: #00ff00; }
.colon { color: #fff; }
.path { color: #4da6ff; }
.symbol { color: #fff; }
.output { color: #ddd; }
.error { color: var(--color-error); }

.cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: #e8e8e8;
  margin-left: 2px;
  transform: translateY(0.15em);
}

/* =========================================================
   9. HEADER
========================================================= */

.site-header{
border-bottom:1px solid rgba(255,255,255,0.08);
background:#050505;
}

.header-inner{
max-width:900px;
margin:auto;
padding:16px 24px;
display:flex;
justify-content:space-between;
align-items:center;
}

.header-brand{
font-size:14px;
letter-spacing:1px;
color:#e6e6e6;
}

.header-nav{
font-size:13px;
}

.header-nav a{
color:#4da6ff;
text-decoration:none;
}

.header-nav a:hover{
text-decoration:underline;
}

.header-separator{
margin:0 6px;
opacity:0.5;
}

/* =========================================================
   9. FOOTER
========================================================= */

.site-footer {
  position: fixed;
  bottom: 12px;
  width: 100%;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  pointer-events: none;
  z-index: 30;
}

.footer-inner {
  letter-spacing: 0.08em;
}

.footer-separator {
  margin: 0 8px;
  opacity: 0.4;
}

.site-footer a {
pointer-events: auto;
}

.about-node403{
position:absolute;
left:-9999px;
width:1px;
height:1px;
overflow:hidden;
}

/* =========================================================
   10. RESPONSIVE / TV SCALE (TOKENS ONLY)
========================================================= */

@media (max-width: 768px) {
  .terminal {
    width: 92vw;
    height: 60vh;
  }
}

@media (max-width: 768px) {
  .site-footer {
    position: absolute;
    bottom: 70px; 
    left: 0;
    right: 0;
    z-index: 20;
  }
}

@media (max-width: 768px) {

  .fullscreen-page-btn,
  .back-button {
    bottom: 16px;
    min-width: auto;
    padding: 10px 14px;
    font-size: 12px;
  }

  .fullscreen-page-btn {
    left: 16px;
  }

  .back-button {
    right: 16px;
  }

}

@media (min-width: 1600px) {
  :root {
    --terminal-font: 18px;
    --terminal-header-font: 16px;
    --status-font: 13px;

    /* verhouding gebaseerd op 1800 */
    --btn-font: 13px;        /* ~70% van 18 */
    --enter-font: 16px;      /* ~90% van 18 */

    --ui-btn-padding: 10px 18px;
    --enter-padding: 18px 36px;

    --intro-title-font: 22px; /* ~120% van 18 */
  }

  .terminal {
    width: min(90vw, 1100px);
    height: min(70vh, 820px);
  }

  .terminal-header {
    height: 48px;
  }

  canvas {
    transform: scale(1.2);
    transform-origin: top left;

  }
}


@media (min-width: 1800px) {
  :root {
    --terminal-font: 20px;
    --terminal-header-font: 16px;
    --status-font: 14px;

    --btn-font: 14px;
    --enter-font: 18px;

    --intro-title-font: 24px;
  }

  .terminal {
    width: min(88vw, 1300px);
    height: min(75vh, 900px);
  }
}


@media (min-width: 2400px) {
  :root {
    --terminal-font: 22px;
    --terminal-header-font: 18px;
    --status-font: 16px;

    /* zelfde verhouding doortrekken */
    --btn-font: 15px;        /* ~70% van 22 */
    --enter-font: 20px;      /* ~90% van 22 */

    --intro-title-font: 26px; /* ~120% van 22 */
  }

  canvas {
    transform: scale(1.8);
    transform-origin: top left;
  }
}


@media (min-width: 2600px) {
  :root {
    --terminal-font: 26px;
    --terminal-header-font: 20px;
    --status-font: 18px;

    /* zelfde verhouding */
    --btn-font: 18px;        /* ~70% van 26 */
    --enter-font: 23px;      /* ~90% van 26 */

    --intro-title-font: 31px; /* ~120% van 26 */
  }

  .terminal {
    width: min(85vw, 1600px);
    height: min(80vh, 1100px);
  }
}