html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--body-bg);
  font-family: var(--font-family);
}

:root {
  --font-family: "Karla", sans-serif;
  --body-bg: #1e1f25;
  --btn-bg: #000;
  --btn-color: #cbcbcb;
  --btn-color-hover: #fff;
  --grad-color1: #eeaf61;
  --grad-color2: #fb9062;
  --grad-color3: #ee5d6c;
  --grad-color4: #ce4993;
  --grad-color5: #6a0d83;
}

.gallery-container {
  padding: 3em 2em;
  min-height: 100vh;
}

.gallery-title {
  text-align: center;
  color: var(--btn-color-hover);
  font-size: 2.5em;
  margin-bottom: 1.5em;
  letter-spacing: 0.05em;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3em;
  max-width: 1400px;
  margin: 0 auto;
}

.button-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1em;
}

.button-label {
  color: var(--btn-color);
  font-size: 0.9em;
  letter-spacing: 0.1em;
  text-align: center;
}

.button {
  border: none;
  background: var(--btn-bg);
  color: var(--btn-color);
  padding: 1em 1.5em;
  font-family: inherit;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s ease;
}

/* Original Gradient Border Button */
.button-border {
  background: linear-gradient(
    115deg,
    #eeaf61,
    #fb9062,
    #ee5d6c,
    #ce4993,
    #6a0d83
  );
  padding: 2px;
}

.button-border:hover {
  background: linear-gradient(
    230deg,
    #eeaf61,
    #fb9062,
    #ee5d6c,
    #ce4993,
    #6a0d83
  );
}

.button-border:hover .button {
  color: var(--btn-color-hover);
  padding: 1.1em 1.6em;
}

/* Neon Glow Button */
.neon-button {
  background: transparent;
  border: 2px solid #00ffff;
  color: #00ffff;
  text-shadow: 0 0 5px #00ffff;
  box-shadow: 0 0 10px #00ffff;
  transition: all 0.3s ease;
}

.neon-button:hover {
  background: #00ffff;
  color: #000;
  text-shadow: none;
  box-shadow:
    0 0 20px #00ffff,
    0 0 40px #00ffff,
    0 0 60px #00ffff;
}

/* 3D Push Button */
.push-button {
  background: linear-gradient(145deg, #ff6b6b, #ee5a6f);
  color: white;
  border: none;
  box-shadow:
    0 8px 0 #c92a49,
    0 10px 20px rgba(0, 0, 0, 0.3);
  transform: translateY(0);
  transition: all 0.1s ease;
}

.push-button:hover {
  transform: translateY(4px);
  box-shadow:
    0 4px 0 #c92a49,
    0 6px 15px rgba(0, 0, 0, 0.3);
}

.push-button:active {
  transform: translateY(8px);
  box-shadow:
    0 0 0 #c92a49,
    0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Liquid Fill Button */
.liquid-button {
  background: transparent;
  border: 2px solid #4ecdc4;
  color: #4ecdc4;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.liquid-button span {
  position: relative;
  z-index: 2;
}

.liquid-button::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: #4ecdc4;
  transition: height 0.4s ease;
  z-index: 1;
}

.liquid-button:hover {
  color: #000;
}

.liquid-button:hover::before {
  height: 100%;
}

/* Glitch Button */
.glitch-button {
  background: #8b00ff;
  color: white;
  position: relative;
  font-weight: 800;
}

.glitch-button::before,
.glitch-button::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
}

.glitch-button:hover::before {
  animation: glitch1 0.3s infinite;
  color: #00ffff;
  opacity: 0.8;
}

.glitch-button:hover::after {
  animation: glitch2 0.3s infinite;
  color: #ff00ff;
  opacity: 0.8;
}

@keyframes glitch1 {
  0%,
  100% {
    transform: translate(0);
  }
  33% {
    transform: translate(-2px, 2px);
  }
  66% {
    transform: translate(2px, -2px);
  }
}

@keyframes glitch2 {
  0%,
  100% {
    transform: translate(0);
  }
  33% {
    transform: translate(2px, -2px);
  }
  66% {
    transform: translate(-2px, 2px);
  }
}

/* Shimmer Button */
.shimmer-button {
  background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #667eea 100%);
  background-size: 200% auto;
  color: white;
  animation: shimmer 3s linear infinite;
}

.shimmer-button:hover {
  animation: shimmer 1s linear infinite;
}

@keyframes shimmer {
  to {
    background-position: 200% center;
  }
}

/* Pulse Border Button */
.pulse-button {
  background: #000;
  color: #fff;
  border: 2px solid #ff6b6b;
  animation: pulse 2s infinite;
}

.pulse-button:hover {
  animation: pulse 0.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.7);
  }
  50% {
    box-shadow: 0 0 0 15px rgba(255, 107, 107, 0);
  }
}

/* Flip Button */
.flip-button {
  position: relative;
  width: 200px;
  height: 60px;
  perspective: 1000px;
}

.flip-front,
.flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  transition: transform 0.6s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flip-front {
  background: #f093fb;
  color: white;
  z-index: 2;
}

.flip-back {
  background: #4facfe;
  color: white;
  transform: rotateY(180deg);
}

.flip-button:hover .flip-front {
  transform: rotateY(180deg);
}

.flip-button:hover .flip-back {
  transform: rotateY(360deg);
}

/* Slide Button */
.slide-button {
  background: transparent;
  border: 2px solid #f39c12;
  color: #f39c12;
  position: relative;
  overflow: hidden;
}

.slide-button span {
  position: relative;
  z-index: 2;
  transition: transform 0.3s ease;
  display: inline-block;
}

.slide-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: #f39c12;
  transition: left 0.3s ease;
}

.slide-button:hover {
  color: #000;
}

.slide-button:hover::before {
  left: 0;
}

.slide-button:hover span {
  transform: translateX(5px);
}