/* Reset and base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  padding: 40px 20px;
  text-align: center;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  overflow-y: auto;
}

/* Header */
header h1 {
  font-size: 3em;
  margin-bottom: 10px;
  background: linear-gradient(to right, #00c6ff, #0072ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeIn 1s ease-in-out;
}

.tagline {
  font-size: 1.2em;
  color: #e0e0e0;
  margin-bottom: 30px;
  animation: fadeIn 1.5s ease-in-out;
}

/* Tool cards */
.tool-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  max-width: 500px;
  margin: 30px auto;
  text-align: center;
  animation: slideUp 1s ease-out, float 3s ease-in-out infinite;
  transition: transform 0.3s ease;
}

.tool-card:hover {
  transform: scale(1.02);
}

/* Inputs and selects */
input[type="text"],
input[type="number"],
textarea,
select {
  width: 80%;
  padding: 12px;
  font-size: 16px;
  border: none;
  border-radius: 10px;
  margin-bottom: 15px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  outline: none;
  transition: background 0.3s ease;
}

input::placeholder,
textarea::placeholder {
  color: #ccc;
}

textarea {
  height: 100px;
  resize: vertical;
}

/* Buttons */
button {
  padding: 12px 24px;
  font-size: 16px;
  background: linear-gradient(to right, #00c6ff, #0072ff);
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 198, 255, 0.5);
}

/* Results and outputs */
#result,
#clock,
#randomResult,
#unitResult {
  margin-top: 10px;
  font-size: 18px;
  color: #aaffaa;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}

@keyframes backgroundShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

body.animate-background {
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  background-size: 200% 200%;
  animation: backgroundShift 4s ease-in-out;
}

/* Footer */
footer {
  margin-top: 40px;
  padding: 20px 30px;
  font-size: 1em;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 6px 20px rgba(0, 198, 255, 0.3);
  animation: float 3s ease-in-out infinite;
}

/* Shockwave effect */
.shockwave {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 198, 255, 0.6);
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: shockwave 0.6s ease-out forwards;
  z-index: 9999;
}

@keyframes shockwave {
  0% {
    width: 20px;
    height: 20px;
    opacity: 0.8;
  }
  100% {
    width: 200px;
    height: 200px;
    opacity: 0;
  }
}

/* Secret directory page styles */
body.directory {
  background: linear-gradient(to right, #1e3c72, #2a5298);
  color: white;
  font-family: 'Poppins', sans-serif;
  padding: 40px;
  text-align: center;
}

body.directory h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
  background: linear-gradient(to right, #00c6ff, #0072ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.directory ul {
  list-style: none;
  padding: 0;
  font-size: 1.2em;
}

body.directory li {
  margin: 15px 0;
  padding: 10px 20px;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 10px rgba(0,198,255,0.3);
}

body.directory .coming-soon {
  margin-top: 30px;
  font-size: 1.1em;
  color: #aaffaa;
}