:root {
  --bg-color: #f4f4f4;
  --text-color: #1a1a1a;
  --accent-color: #ff3e00; 
}

body {
  margin: 0;
  display: grid;
  place-items: center;
  height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  overflow: hidden;
  transition: background-color 0.8s ease;
}

.container {
  text-align: center;
  max-width: 600px;
}

h1 {
  font-size: 2rem;
  font-weight: 400;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

button {
  padding: 15px 40px;
  font-size: 4rem;
  background: none;
  border: 3px solid var(--text-color);
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}







.btn-alarm:hover {
  animation: jitter 0.1s infinite;
  background: var(--text-color);
  color: white;
}

@keyframes jitter {
  0% { transform: translate(0,0); }
  25% { transform: translate(2px, -1px); }
  50% { transform: translate(-1px, 2px); }
  75% { transform: translate(1px, -2px); }
}

.btn-alarm:active {
  transform: scale(0.9);
  box-shadow: 0 0 0 100px rgba(0,0,0,0.1);
}







.btn-stayup:hover {
  background-color: #000033;
  color: #555;
  border-color: #333;
  filter: blur(0.5px);
}

.btn-stayup:active {
  transform: scale(1.5);
  opacity: 0;
  filter: blur(20px);
}





#sleep-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: black;
  opacity: 0;
  pointer-events: none;
  transition: opacity 3s cubic-bezier(0.45, 0, 0.55, 1);
  z-index: 999;
}

.btn-sleep:hover {
  letter-spacing: 0.5em;
  opacity: 0.5;
  filter: blur(1px);
}

body.sleeping #sleep-overlay {
  opacity: 1;
}

body.sleeping .container {
  filter: blur(10px);
  transition: filter 2s ease;
}









.btn-wake {
  filter: blur(8px);
}

.btn-wake:hover {
  filter: blur(0px);
}

.btn-wake:active {
  background: white;
  box-shadow: 0 0 0 2000px white;
}







body.is-shaking {
  animation: screen-shake 0.1s infinite;
}

@keyframes screen-shake {
  0% { background-color: #f4f4f4; transform: translate(0,0); }
  20% { background-color: #ff0000; transform: translate(-5px, 5px); }
  40% { background-color: #00ffff; transform: translate(5px, -5px); }
  60% { background-color: #ff0000; transform: translate(-5px, -5px); }
  80% { background-color: #f4f4f4; transform: translate(5px, 5px); }
}

.glitch-text {
  font-weight: 900;
  font-style: italic;
  text-shadow: 2px 2px #ff0000, -2px -2px #00ffff;
}

.btn-aggressive-v2 {
  background: #000;
  color: #fff;
  border: 4px solid #fff;
  font-size: 1.5rem;
  font-weight: 900;
  padding: 20px 60px;
  cursor: pointer;
  transition: transform 0.2s;
}

.btn-aggressive-v2:hover {
  transform: scale(1.1);
  box-shadow: 10px 10px 0px #ff0000;
}