body {
  margin: 0;
  font-family: 'Vazir', sans-serif;
  background: radial-gradient(ellipse at bottom, #0d1b2a 0%, #000000 100%);
  color: #fff;
  overflow: hidden;
}

/* ستاره‌ها */
.stars {
  position: absolute;
  width: 100%;
  height: 100%;
  background: url('assets/stars.png') repeat;
  animation: moveStars 90s linear infinite;
  z-index: 0;
}

@keyframes moveStars {
  from { background-position: 0 0; }
  to { background-position: -10000px 5000px; }
}

/* لوگو */
.logo {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 1;
}

.logo img {
  width: 80px;
  height: 80px;
  border-radius: 15px;
}

/* فرم و عنوان */
.container {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 100px;
}

.container h1 {
  font-size: 30px;
  margin-bottom: 30px;
  color: #00ffe7;
}

/* فرم آپلود */
.upload-form {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px;
  display: inline-block;
  box-shadow: 0 0 30px #00ffe7;
  max-width: 90%;
}

/* فیلدها و دکمه‌ها */
input, select, button {
  margin: 10px;
  padding: 12px 20px;
  border-radius: 15px;
  border: none;
  font-size: 16px;
  width: 100%;
  max-width: 300px;
  box-sizing: border-box;
}

button {
  background: #00ffe7;
  color: #000;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  transform: scale(1.08);
  background: #0ff;
}

/* ریسپانسیو */
@media screen and (max-width: 600px) {
  .container h1 {
    font-size: 22px;
  }

  .logo img {
    width: 60px;
    height: 60px;
  }
}