:root {
  /* Açık Mod Renkleri */
  --primary-color: #2196f3;
  --primary-dark: #1976d2;
  --primary-light: #bbdefb;
  --accent-color: #ff4081;
  --accent-dark: #f50057;
  --text-dark: #2c3e50;
  --text-light: #546e7a;
  --background-light: #f5f7fa;
  --white: #ffffff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --border-radius: 12px;
  --gradient-primary: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
  --gradient-accent: linear-gradient(135deg, #ff4081 0%, #f50057 100%);
  --input-bg: #f5f7fa;
  --card-bg: #ffffff;
  --border-color: rgba(0, 0, 0, 0.05);
}

/* Koyu Mod Renkleri */
@media (prefers-color-scheme: dark) {
  :root {
    --primary-color: #90caf9;
    --primary-dark: #64b5f6;
    --primary-light: #0d47a1;
    --accent-color: #ff8a80;
    --accent-dark: #ff5252;
    --text-dark: #e0e0e0;
    --text-light: #9e9e9e;
    --background-light: #121212;
    --white: #1e1e1e;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
    --gradient-primary: linear-gradient(135deg, #90caf9 0%, #64b5f6 100%);
    --gradient-accent: linear-gradient(135deg, #ff8a80 0%, #ff5252 100%);
    --input-bg: #2d2d2d;
    --card-bg: #1e1e1e;
    --border-color: rgba(255, 255, 255, 0.08);
  }

  body {
    background-color: #121212;
  }

  .form-section,
  .sonuc-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  }

  input[type="number"] {
    background-color: #2d2d2d;
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-dark);
  }

  input[type="number"]:focus {
    background-color: #333333;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(144, 202, 249, 0.2);
  }

  .sonuc-detay {
    background: linear-gradient(135deg, #2d2d2d 0%, #1e1e1e 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
  }

  .sonuc-item {
    border-bottom-color: rgba(255, 255, 255, 0.05);
  }

  .sonuc-item.toplam {
    border-top-color: var(--primary-color);
  }

  .sonuc-item span:first-child {
    color: #9e9e9e;
  }

  .sonuc-item span:last-child {
    color: var(--primary-color);
  }

  .sonuc-item.final-toplam {
    background: linear-gradient(135deg, #ff8a80 0%, #ff5252 100%);
  }

  button {
    background: linear-gradient(135deg, #90caf9 0%, #64b5f6 100%);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  }

  button:hover {
    background: linear-gradient(135deg, #64b5f6 0%, #90caf9 100%);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
  }

  h2 {
    color: var(--primary-color);
    border-bottom-color: rgba(144, 202, 249, 0.2);
  }

  .sonuc-detay h3 {
    color: var(--primary-color);
    border-bottom-color: rgba(144, 202, 249, 0.2);
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: var(--background-light);
  color: var(--text-dark);
  padding: 20px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

header {
  text-align: center;
  margin-bottom: 30px;
  padding: 25px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  color: var(--white);
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

main {
  max-width: 800px;
  margin: 0 auto;
}

.form-section {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

h2 {
  color: var(--primary-dark);
  font-size: 1.4rem;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-light);
}

.input-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.95rem;
}

input[type="number"] {
  width: 100%;
  padding: 14px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 16px;
  transition: all 0.3s ease;
  background-color: var(--input-bg);
  color: var(--text-dark);
}

input[type="number"]:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
  background-color: var(--card-bg);
}

button {
  width: 100%;
  padding: 16px;
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 25px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.sonuc-container {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 25px;
  margin-top: 35px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.sonuc-detay {
  background: linear-gradient(
    135deg,
    var(--background-light) 0%,
    var(--card-bg) 100%
  );
  border-radius: var(--border-radius);
  padding: 25px;
  margin-bottom: 25px;
  border: 1px solid var(--border-color);
}

.sonuc-detay h3 {
  color: var(--primary-dark);
  font-size: 1.3rem;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-light);
}

.sonuc-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.sonuc-item:last-child {
  border-bottom: none;
}

.sonuc-item span:first-child {
  color: var(--text-light);
}

.sonuc-item span:last-child {
  font-weight: 600;
  color: var(--primary-dark);
}

.sonuc-item.toplam {
  border-top: 2px solid var(--primary-color);
  margin-top: 20px;
  padding-top: 20px;
  font-weight: bold;
}

.sonuc-item.final-toplam {
  background: var(--gradient-accent);
  color: var(--white);
  padding: 25px;
  border-radius: var(--border-radius);
  margin-top: 25px;
}

.sonuc-item.final-toplam span {
  color: var(--white);
}

#toplamPuan {
  font-size: 1.8rem;
  font-weight: bold;
}

footer {
  text-align: center;
  margin-top: 35px;
  padding: 25px;
  color: var(--text-light);
  font-size: 0.9rem;
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Mobil Uyumluluk */
@media (max-width: 768px) {
  body {
    padding: 15px;
  }

  h1 {
    font-size: 1.8rem;
  }

  .form-section,
  .sonuc-container {
    padding: 20px;
  }

  .sonuc-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .sonuc-item span:last-child {
    font-size: 1.2rem;
  }

  input[type="number"] {
    padding: 12px;
  }

  button {
    padding: 14px;
  }
}

/* Animasyonlar */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sonuc-container {
  animation: fadeIn 0.6s ease-out;
}

.form-section:hover,
.sonuc-detay:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}