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

body {
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  background: #0f172a;
  min-height: 100vh;
  display: flex;
  /* align-items: center; ni olib tashlaymiz yoki o'zgartiramiz */
  /* Chunki u kichik ekranda elementni header tagiga tiqib qo'yadi */
  align-items: flex-start; /* Elementni tepadan boshlash */
  justify-content: center;
  padding: 20px;
}

.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 15px 0;
  text-align: center;
  background: rgba(0, 0, 0, .1);
  backdrop-filter: blur(20px);
  font-size: 2rem;
  z-index: 10;
}

.header a {
  text-decoration: none;
  color: white;
}

.header a:hover {
  color: #60a5fa;
}

.container {
  width: 100%;
  max-width: 650px;
  position: relative;
  z-index: 1;
  /* MUHIM O'ZGARISH: Telefonda ham tepadan joy tashlaymiz */
  /* Bu header ko'rinishi uchun majburiy masofa */
  margin-top: 80px;
}

.card {
  background: #1e293b;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid #334155;
}

h1 {
  font-size: 32px;
  color: #e2e8f0;
  margin-bottom: 8px;
  text-align: center;
}

.subtitle {
  color: #94a3b8;
  text-align: center;
  margin-bottom: 40px;
  display: block; /* Span bo'lgani uchun block qildik */
}

.preview-section {
  background: #0f172a;
  border-radius: 12px;
  padding: 60px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  border: 1px solid #334155;
}

.preview-box {
  width: 200px;
  height: 200px;
  background: #3b82f6;
  border-radius: 12px;
  box-shadow: 0px 0px 0px 0px rgba(0, 0, 0, 0.5);
  transition: box-shadow 0.2s ease;
}

.controls {
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.control-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: #e2e8f0;
  font-size: 16px;
}

.value {
  color: #3b82f6;
  font-weight: 700;
  font-size: 18px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #334155;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #3b82f6;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
  transition: transform 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  background: #60a5fa;
}

.code-output {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.code-output label {
  font-weight: 600;
  color: #e2e8f0;
  font-size: 16px;
}

.code-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0f172a;
  padding: 16px 20px;
  border-radius: 10px;
  gap: 16px;
  border: 1px solid #334155;
}

code {
  color: #22c55e;
  font-family: "Courier New", monospace;
  font-size: 14px;
  flex: 1;
}

.copy-btn {
  padding: 8px 20px;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
}

.copy-btn:hover {
  background: #60a5fa;
  transform: translateY(-2px);
}

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

@media (max-width: 600px) {
  .card {
    padding: 30px 20px;
  }

  .preview-section {
    padding: 40px;
    min-height: 250px;
  }

  .preview-box {
    width: 150px;
    height: 150px;
  }

  code {
    font-size: 12px;
  }
}

/* KOMPYUTER UCHUN MAXSUS QISMI */
@media (min-width: 768px) {
  .container {
    /* Kompyuterda yanada pastroqqa tushiramiz */
    margin-top: 130px;
  }
}