:root {
  --primary-dark: #0a192f;
  --primary: #112240;
  --secondary: #233554;
  --accent: #64ffda;
  --light: #ccd6f6;
  --light-gray: #8892b0;
  --white: #e6f1ff;
  --transition: all 0.25s ease-in-out;
}

* {
  margin: 0;
  padding: 0;

  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.container {
  width: 100%;
  max-width: 1400px;
  min-width: 1200px;
  margin: 30px auto;
  box-sizing: border-box;
  color: var(--white);
}

.container *{
  box-sizing: border-box;
}

header {
  text-align: center;
  margin-bottom: 50px;
  animation: fadeIn 1s ease-out;
}

h1 {
  font-size: 2.8rem;
  margin-bottom: 15px;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.subtitle {
  font-size: 1.4rem;
  color: var(--light-gray);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.calculator-container {
  display: flex;
  gap: 40px;
  margin: 30px 0;
}

.calculator-section {
  background: var(--secondary);
  border-radius: 15px;
  padding: 40px;
  flex: 1;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.calculator-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.section-title {
  font-size: 1.7rem;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 15px;
  color: var(--accent);
}

.input-group {
  margin-bottom: 30px;
}

label {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--light);
}

input[type="time"] {
  width: 100%;
  padding: 15px;
  border: 2px solid var(--accent);
  background: rgba(10, 25, 47, 0.6);
  border-radius: 8px;
  color: var(--white);
  font-size: 1.2rem;
  transition: var(--transition);
}

input[type="time"]:focus {
  outline: none;
  border-color: var(--white);
  box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.3);
}

.btn {
  width: 100%;
  padding: 16px;
  background: var(--accent);
  color: var(--primary-dark);
  border: none;
  border-radius: 8px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn:hover {
  background: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(100, 255, 218, 0.4);
}

.btn:active {
  transform: translateY(0);
}

.results {
  margin-top: 40px;
  background: rgba(10, 25, 47, 0.6);
  border-radius: 10px;
  padding: 25px;
  border-left: 4px solid var(--accent);
  animation: fadeIn 0.8s ease-out;
}

.results-title {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
}

.result-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.result-item {
  background: rgba(35, 53, 84, 0.7);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  transition: var(--transition);
}

.result-item:hover {
  transform: scale(1.03);
  background: rgba(35, 53, 84, 0.9);
}

.time {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.cycles {
  font-size: 1.1rem;
  color: var(--light-gray);
}

.info-note {
  margin-top: 30px;
  padding: 20px;
  background: rgba(10, 25, 47, 0.5);
  border-radius: 10px;
  border-left: 4px solid var(--light-gray);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--light-gray);
}

.highlight {
  color: var(--accent);
  font-weight: 600;
}

footer {
  margin-top: 60px;
  text-align: center;
  color: var(--light-gray);
  font-size: 1.1rem;
  padding: 20px;
  border-top: 1px solid var(--secondary);
  width: 100%;
  margin: auto;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
  }
}

.moon-bg {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.05;
  border-radius: 50%;
  z-index: -1;
}