* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

body {
  background: #f8f8f8;
  color: #333;
  line-height: 1.6;
}

/* ==== HEADER ==== */
header {
  text-align: center;
  padding: 20px 15px; /* менше висоти */
  background: #ffffff;
  border-bottom: 1px solid #ddd;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

header .logo {
  width: 44px; /* менший розмір */
  height: 44px;
}

header h1 {
  font-size: 1.6rem; /* трохи менше */
  margin-bottom: 4px;
  color: #222;
}

header p {
  font-size: 0.95rem;
  color: #555;
}


/* ==== MAIN ==== */
main {
  max-width: 800px;
  margin: 40px auto;
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

/* ==== UPLOAD AREA ==== */
.upload-area {
  border: 2px dashed #ccc;
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  color: #555;
  transition: all 0.3s ease;
}

.upload-area.dragover {
  border-color: #888;
  background: #f1f1f1;
  color: #333;
}

.upload-label {
  color: #444;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.hidden {
  display: none !important;
}

/* ==== FILE LIST ==== */
.file-list {
  list-style: none;
  margin-top: 20px;
  text-align: left;
  max-height: 300px;
  overflow-y: auto;
}

.file-item {
  background: #fcfcfc;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 10px 15px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  cursor: grab;
  transition: background 0.2s;
  position: relative;
  -webkit-mask-image: -webkit-radial-gradient(white, black); /* 👈 запобігає “рваним” краям */
}

.file-item:hover {
  background: #f1f1f1;
}

.file-item img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid #ccc;
}

/* ==== REMOVE BUTTON ==== */
.file-item button {
  position: absolute;
  top: 5px;
  right: 5px;
  background: #ccc;
  border: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: white;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}

.file-item button:hover {
  background: #999;
  transform: scale(1.2);
}



/* ==== ACTION BUTTONS ==== */
.file-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 15px;
}

.add-more-btn {
  color: #333;
  cursor: pointer;
  font-weight: 600;
  text-decoration: underline;
}

.merge-btn {
  padding: 12px 24px;
  background: #e0e0e0;
  color: #222;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
}

.merge-btn:hover {
  background: #ccc;
}

/* ==== INFO SECTION ==== */
.info {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  line-height: 1.8;
  color: #444;
}

/* Ховаємо стандартне поле вибору файлів */
#fileInput {
  display: none;
}

.mobile-upload {
  display: none; /* за замовчуванням ховаємо мобільний текст */
}


/* ==== MOBILE STYLES ==== */
@media (hover: none) and (pointer: coarse) {
  .upload-empty,
  .file-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .upload-empty .upload-label,
  .file-actions label,
  .file-actions .merge-btn {
    text-align: center;
  }

  /* Ховаємо старий текст у <p> */
  .upload-empty p {
    display: none;
  }

  /* Показуємо мобільний <label> */
  .upload-empty p.mobile-upload {
    display: block;
    text-align: center;
  }
}


/* ==== FOOTER ==== */
footer {
  text-align: center;
  padding: 20px;
  color: #777;
  background: #f9f9f9;
  border-top: 1px solid #ddd;
  margin-top: 40px;
}