const toggle = document.getElementById('toggle');
  const track  = document.getElementById('track');
  const knob   = document.getElementById('knob');
  const rays   = document.getElementById('rays');
  const stateLabel = document.getElementById('state-label');
  const themeRoot  = document.getElementById('themeRoot');

  let isDay = true;

  const RAY_COUNT = 8;
  for (let i = 0; i < RAY_COUNT; i++) {
    const r = document.createElement('div');
    r.className = 'ray';
    r.style.transform = `rotate(${i * (360/RAY_COUNT)}deg)`;
    rays.appendChild(r);
  }

  function applyState() {
    if (isDay) {
      track.className      = 'track day';
      knob.className       = 'knob day';
      toggle.setAttribute('aria-checked', 'true');
      themeRoot.classList.remove('night');
    } else {
      track.className = 'track night';
      knob.className  = 'knob night';
      toggle.setAttribute('aria-checked', 'false');
      themeRoot.classList.add('night');
    }
  }

  toggle.addEventListener('click', () => { isDay = !isDay; applyState(); });
  toggle.addEventListener('keydown', e => {
    if (e.key === ' ' || e.key === 'Enter') { e.preventDefault(); isDay = !isDay; applyState(); }
  });

  function copyClass() {
    navigator.clipboard.writeText(classOut.textContent).catch(() => {});
  }
// just some fun.
  console.log("%c👀 hi there!", "font-size:20px")

function cureClick() {
  if (document.getElementById('cure-canvas')) return;
  const el = document.getElementById('interest');
  el.textContent = "Actually... I'm feeling much better now!"
  startWater();
  isDay = false;
  applyState();
  setTimeout(() => {
    el.textContent = 'interest';
    stopWater();
  }, 10000);
}

let cureCanvas, cureCtx, cureAnimFrame;

function startWater() {
  cureCanvas = document.createElement('canvas');
  cureCanvas.id = 'cure-canvas';
  cureCanvas.width  = window.innerWidth;
  cureCanvas.height = window.innerHeight;
  Object.assign(cureCanvas.style, {
    position:      'fixed',
    top:           0,
    left:          0,
    pointerEvents: 'none',
    zIndex:        -1,               // behind everything
    opacity:       '0',
    transition:    'opacity 1.4s ease'
  });
  document.body.appendChild(cureCanvas);
  cureCtx = cureCanvas.getContext('2d');
  requestAnimationFrame(() => { cureCanvas.style.opacity = '1'; });

  const W = cureCanvas.width;
  const H = cureCanvas.height;

  // waterline sits at 38% from the top
  const waterlineY = H * 0.38;

  // floating particles below the surface
  const particles = Array.from({ length: 55 }, () => ({
    x:       Math.random() * W,
    y:       waterlineY + 20 + Math.random() * (H - waterlineY - 20),
    r:       1 + Math.random() * 2.5,
    speedX:  (Math.random() - 0.5) * 0.3,
    speedY:  -0.08 - Math.random() * 0.18,   // slow upward drift
    opacity: 0.08 + Math.random() * 0.18
  }));

  function drawFrame(ts) {
    cureCtx.clearRect(0, 0, W, H);

    // ── sky above waterline (very subtle, mostly transparent) ──────────
    const sky = cureCtx.createLinearGradient(0, 0, 0, waterlineY);
    sky.addColorStop(0,   'rgba(190, 230, 255, 0.06)');
    sky.addColorStop(1,   'rgba(190, 230, 255, 0.01)');
    cureCtx.fillStyle = sky;
    cureCtx.fillRect(0, 0, W, waterlineY);

    // ── water body below waterline ─────────────────────────────────────
    const water = cureCtx.createLinearGradient(0, waterlineY, 0, H);
    water.addColorStop(0,    'rgba(80,  190, 220, 0.28)');
    water.addColorStop(0.35, 'rgba(40,  140, 190, 0.22)');
    water.addColorStop(0.7,  'rgba(20,   90, 150, 0.20)');
    water.addColorStop(1,    'rgba(10,   50, 110, 0.22)');
    cureCtx.fillStyle = water;
    cureCtx.fillRect(0, waterlineY, W, H - waterlineY);

    // ── caustic shimmer streaks ────────────────────────────────────────
    const numStreaks = 10;
    for (let i = 0; i < numStreaks; i++) {
      const phase  = (ts * 0.0004 + i * 0.63) % 1;
      const x      = (i / numStreaks) * W + Math.sin(ts * 0.0008 + i) * 60;
      const yTop   = waterlineY + 10 + Math.sin(ts * 0.001 + i * 1.3) * 18;
      const yBot   = yTop + 40 + Math.sin(ts * 0.0007 + i * 0.9) * 30;
      const streak = cureCtx.createLinearGradient(x, yTop, x + 6, yBot);
      streak.addColorStop(0,   'rgba(200, 245, 255, 0)');
      streak.addColorStop(0.4, `rgba(200, 245, 255, ${0.05 + 0.06 * Math.sin(ts * 0.002 + i)})`);
      streak.addColorStop(1,   'rgba(200, 245, 255, 0)');
      cureCtx.fillStyle = streak;
      cureCtx.fillRect(x, yTop, 5, yBot - yTop);
    }

    // ── floating particles ─────────────────────────────────────────────
    particles.forEach(p => {
      p.x += p.speedX;
      p.y += p.speedY;
      // reset when reaching the surface
      if (p.y < waterlineY + 5) {
        p.y = H - 10;
        p.x = Math.random() * W;
      }
      if (p.x < 0) p.x = W;
      if (p.x > W) p.x = 0;

      const depth = (p.y - waterlineY) / (H - waterlineY); // 0 = surface, 1 = bottom
      cureCtx.beginPath();
      cureCtx.arc(p.x, p.y, p.r, 0, Math.PI * 2);
      cureCtx.fillStyle = `rgba(180, 240, 255, ${p.opacity * (0.4 + 0.6 * (1 - depth))})`;
      cureCtx.fill();
    });

    // ── animated surface waves (2 layers, different speeds & amplitudes) ─
    function drawWaveLine(amp, freq, speed, lineW, alpha) {
      cureCtx.beginPath();
      for (let x = 0; x <= W; x += 3) {
        const y = waterlineY
          + Math.sin(x * freq + ts * speed) * amp
          + Math.sin(x * freq * 1.7 + ts * speed * 0.6) * (amp * 0.4);
        x === 0 ? cureCtx.moveTo(x, y) : cureCtx.lineTo(x, y);
      }
      cureCtx.strokeStyle = `rgba(210, 245, 255, ${alpha})`;
      cureCtx.lineWidth   = lineW;
      cureCtx.stroke();
    }

    // primary wave
    drawWaveLine(7,  0.012, 0.0018, 2.0, 0.70);
    // secondary wave (slightly offset phase)
    drawWaveLine(4,  0.018, 0.0024, 1.2, 0.40);
    // micro ripple
    drawWaveLine(2,  0.030, 0.0032, 0.7, 0.25);

    // ── foam/highlight on the crest ────────────────────────────────────
    cureCtx.beginPath();
    for (let x = 0; x <= W; x += 3) {
      const y = waterlineY
        + Math.sin(x * 0.012 + ts * 0.0018) * 7
        + Math.sin(x * 0.020 + ts * 0.0024) * 3;
      x === 0 ? cureCtx.moveTo(x, y - 1) : cureCtx.lineTo(x, y - 1);
    }
    cureCtx.strokeStyle = 'rgba(255, 255, 255, 0.18)';
    cureCtx.lineWidth   = 1;
    cureCtx.stroke();

    if (cureCanvas) cureAnimFrame = requestAnimationFrame(drawFrame);
  }

  cureAnimFrame = requestAnimationFrame(drawFrame);
}

function stopWater() {
  if (!cureCanvas) return;
  cureCanvas.style.opacity = '0';
  cancelAnimationFrame(cureAnimFrame);
  setTimeout(() => {
    cureCanvas.remove();
    cureCanvas = null;
  }, 1400);
}

function draculaClick() {
  if (document.getElementById('lightning-canvas')) return;
  const el = document.getElementById('interest');
  el.textContent = 'children of the night';
  startLightning();
  isDay = false;
  applyState();
  setTimeout(() => {
    el.textContent = 'interest';
    stopLightning();
  }, 10000);
}

let lightningCanvas, lightningCtx, lightningInterval, lightningFlashTimeout;

function startLightning() {
  lightningCanvas = document.createElement('canvas');
  lightningCanvas.id = 'lightning-canvas';
  lightningCanvas.width = window.innerWidth;
  lightningCanvas.height = window.innerHeight;
  Object.assign(lightningCanvas.style, {
    position: 'fixed', top: 0, left: 0,
    pointerEvents: 'none', zIndex: 9999,
    opacity: '0', transition: 'opacity 0.3s ease'
  });
  document.body.appendChild(lightningCanvas);
  lightningCtx = lightningCanvas.getContext('2d');
  requestAnimationFrame(() => { lightningCanvas.style.opacity = '1'; });

  function drawBolt(x1, y1, x2, y2, roughness, depth) {
    if (depth === 0) {
      lightningCtx.beginPath();
      lightningCtx.moveTo(x1, y1);
      lightningCtx.lineTo(x2, y2);
      lightningCtx.stroke();
      return;
    }
    const mx = (x1 + x2) / 2 + (Math.random() - 0.5) * roughness;
    const my = (y1 + y2) / 2 + (Math.random() - 0.5) * roughness;
    drawBolt(x1, y1, mx, my, roughness / 2, depth - 1);
    drawBolt(mx, my, x2, y2, roughness / 2, depth - 1);
    // random fork branch
    if (depth > 2 && Math.random() < 0.4) {
      const fx = mx + (Math.random() - 0.3) * roughness * 2;
      const fy = my + Math.random() * roughness * 2;
      lightningCtx.save();
      lightningCtx.globalAlpha *= 0.5;
      drawBolt(mx, my, fx, fy, roughness / 2, depth - 2);
      lightningCtx.restore();
    }
  }

  function flashStrike() {
    lightningCtx.clearRect(0, 0, lightningCanvas.width, lightningCanvas.height);

    const numBolts = 1 + Math.floor(Math.random() * 3);
    for (let i = 0; i < numBolts; i++) {
      const startX = lightningCanvas.width * (0.1 + Math.random() * 0.8);
      const endX   = startX + (Math.random() - 0.5) * 300;
      const color  = Math.random() < 0.6
        ? `rgba(220, 180, 255, ${0.6 + Math.random() * 0.4})`  // purple
        : `rgba(255, 255, 255, ${0.7 + Math.random() * 0.3})`; // white

      lightningCtx.strokeStyle = color;
      lightningCtx.lineWidth = 0.5 + Math.random() * 2;
      lightningCtx.shadowColor = color;
      lightningCtx.shadowBlur = 18 + Math.random() * 30;
      lightningCtx.globalAlpha = 1;

      drawBolt(startX, 0, endX, lightningCanvas.height * (0.4 + Math.random() * 0.5), 120, 7);
    }

    // ambient flash on the body
    document.body.style.transition = 'background 0.05s';
    document.body.style.background = `rgba(80, 0, 120, 0.08)`;
    setTimeout(() => { document.body.style.background = ''; }, 80);

    // fade the bolt out
    lightningFlashTimeout = setTimeout(() => {
      lightningCtx.clearRect(0, 0, lightningCanvas.width, lightningCanvas.height);
    }, 80 + Math.random() * 120);
  }

  // irregular strike cadence — like real lightning
  function scheduleStrike() {
    flashStrike();
    const delay = 600 + Math.random() * 2200;
    lightningInterval = setTimeout(scheduleStrike, delay);
  }
  scheduleStrike();
}

function stopLightning() {
  if (!lightningCanvas) return;
  lightningCanvas.style.opacity = '0';
  clearTimeout(lightningInterval);
  clearTimeout(lightningFlashTimeout);
  setTimeout(() => {
    lightningCanvas.remove();
    lightningCanvas = null;
  }, 800);
}

  
  function matrixClick() {
    const sub = document.getElementById('interest-sub');
    sub.style.display = "none"
    const matrixsub = document.getElementById('matrix-hidden');
    matrixsub.style.display = "block"
    
    setTimeout(() => {
      matrixsub.style.display = "none"
      sub.style.display = "block"
    }, 15000);
  }


  function bladerunnerClick() {
    if (document.getElementById('rain-canvas')) return; // already running, do nothing

    const el = document.getElementById('interest');
    el.textContent = 'tears in rain';

    startRain();

    isDay = false
    applyState();

    setTimeout(() => {
      el.textContent = "interest";
      stopRain();
    }, 10000);
  }

  let rainCanvas, rainCtx, rainInterval;

  function startRain() {
    rainCanvas = document.createElement('canvas');
    rainCanvas.id = 'rain-canvas';
    rainCanvas.width = window.innerWidth;
    rainCanvas.height = window.innerHeight;
    document.body.appendChild(rainCanvas);
    rainCtx = rainCanvas.getContext('2d');

    requestAnimationFrame(() => { rainCanvas.style.opacity = '1'; });

    const drops = Array.from({ length: 120 }, () => ({
      x: Math.random() * rainCanvas.width,
      y: Math.random() * rainCanvas.height,
      speed: 8 + Math.random() * 7,
      length: 12 + Math.random() * 20,
      opacity: 0.2 + Math.random() * 0.4
    }));

    rainInterval = setInterval(() => {
      rainCtx.clearRect(0, 0, rainCanvas.width, rainCanvas.height);
      drops.forEach(drop => {
        rainCtx.beginPath();
        rainCtx.moveTo(drop.x, drop.y);
        rainCtx.lineTo(drop.x - 2, drop.y + drop.length);
        rainCtx.strokeStyle = `rgba(174, 214, 241, ${drop.opacity})`;
        rainCtx.lineWidth = 3;
        rainCtx.stroke();

        drop.y += drop.speed;
        if (drop.y > rainCanvas.height) {
          drop.y = -drop.length;
          drop.x = Math.random() * rainCanvas.width;
        }
      });
    }, 30);
  }

  function stopRain() {
    if (!rainCanvas) return;
    rainCanvas.style.opacity = '0';
    setTimeout(() => {
      clearInterval(rainInterval);
      rainCanvas.remove();
      rainCanvas = null;
    }, 800);
  }

  function unhideGame() {
    const alicegameSection = document.getElementById('alice');
    const gameSection = document.getElementById('tetris');
    if (alicegameSection.style.display == 'none') {
      alicegameSection.style.display = 'block';  
    } else {
      alicegameSection.style.display = 'none';
    }
    gameSection.style.display = 'none';  
   
  }

  function unhideTetris() {
    const alicegameSection = document.getElementById('alice');
    const gameSection = document.getElementById('tetris');
    if (gameSection.style.display == 'none') {
      gameSection.style.display = 'block';  
    } else {
      gameSection.style.display = 'none';  
    }
    alicegameSection.style.display = 'none';  
  }
function dragonClick() {
  const existing = document.getElementById('dragon-grid');
  if (existing) { existing.remove(); return; }

  const grid = document.createElement('canvas');
  grid.id = 'dragon-grid';
  grid.width = window.innerWidth;
  grid.height = window.innerHeight;
  grid.style.transition = 'opacity 1s ease';
  document.body.appendChild(grid);

  const ctx = grid.getContext('2d');
  const img = new Image();
  img.src = '/static/images/dragon.png';

  img.onload = () => {
    const size = 250;
    const cols = Math.ceil(grid.width / size);
    const rows = Math.ceil(grid.height / size);

    for (let r = 0; r < rows; r++) {
      for (let c = 0; c < cols; c++) {
        ctx.drawImage(img, c * size, r * size, size, size);
      }
    }

    setTimeout(() => {
      grid.style.opacity = '0';
      setTimeout(() => grid.remove(), 1000);
    }, 300);
  };
}


function unhide42() {
  const alicegameSection = document.getElementById('alice');
  const tetrisSection = document.getElementById('tetris');
  const experiencesection = document.getElementById('experience');

  const educationsection = document.getElementById('education');
  const automationsection = document.getElementById('automation');
  const interestssection = document.getElementById('interests');
  const opinionsection = document.getElementById('opinion');
  const interestlistsection = document.getElementById('interestlist');

  const hiddenssection = document.getElementById('secret');

  if (hiddenssection.style.display == 'none') {
    hiddenssection.style.display = 'block';  
  } else {
    hiddenssection.style.display = 'none';
  }
  alicegameSection.style.display = 'none';  
  tetrisSection.style.display = 'none'; 
  experiencesection.style.display = 'none';  
  educationsection.style.display = 'none';  
  automationsection.style.display = 'none';  
  interestssection.style.display = 'none';  

  opinionsection.style.display = 'none';  
  interestlistsection.style.display = 'none';  

}