/* ==========================================================================
   Main Page Specific Styles (index.html)
   ========================================================================== */

/* --- File Drop Zone Styles --- */
#drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 2.5rem 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

#drop-zone.drag-over {
  background-color: var(--drag-over-bg-color);
  border-color: var(--primary-color);
}

#drop-zone p {
  margin: 0;
  font-size: 1rem;
  color: var(--text-muted-color);
}

.drop-zone-subtext {
  font-size: 0.875rem;
  color: var(--text-muted-color);
  margin-top: 0.5rem;
}

#drop-zone .choose-files-btn {
  color: var(--primary-color);
  font-weight: 500;
  text-decoration: none;
}

#file-input {
  display: none;
}

/* --- File List Styles --- */
#file-list {
  margin-top: 1.25rem;
  font-size: 0.875rem;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  margin-bottom: 0.5rem;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

html.dark-mode .file-item {
  background-color: #2a2a2e;
}

.file-item span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-right: 0.625rem;
}

.file-item button {
  background: none;
  border: none;
  color: var(--error-color);
  cursor: pointer;
  font-size: 1.125rem;
  padding: 0 0.3125rem;
}

/* --- Upload Progress Bar Styles --- */
.progress-item {
  margin-bottom: 0.625rem;
  padding: 0.5rem;
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 5px;
}

.progress-item span {
  display: block;
  margin-bottom: 0.3125rem;
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-bar-container {
  width: 100%;
  background-color: var(--border-color);
  border-radius: 4px;
  height: 1.25rem;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  color: white;
  text-align: center;
  font-size: 0.75rem;
  border-radius: 4px;
  transition: width 0.3s ease-out;
}

/* --- Upload Page Options Grid --- */
.upload-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .upload-options-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .options-grid-span-2 {
    grid-column: 1 / -1;
  }
}

.upload-options-grid > .form-group {
  margin-bottom: 0;
}

/* --- Result Section Styles --- */
.result-container {
  margin-top: 1.875rem;
  padding: 1.25rem;
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

html.dark-mode .result-container {
  background-color: #2a2a2e;
}

.result-title {
  font-size: 1.125rem;
  font-weight: 500;
  margin-top: 0;
  margin-bottom: 0.9375rem;
  color: var(--text-color);
}

.input-group {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.form-control-readonly {
  flex-grow: 1;
  padding: 0.625rem;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 16px;
  font-family: inherit;
  background-color: var(--container-bg-color);
  color: var(--text-muted-color);
  cursor: default;
  transition: border-color 0.2s, background-color 0.2s;
}

.button-secondary {
  padding: 0.625rem 1.25rem;
  background-color: var(--success-color);
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.button-secondary:hover {
  opacity: 0.85;
}

.feedback-text {
  font-size: 0.875rem;
  color: var(--success-color);
  margin-top: 0.625rem;
  text-align: right;
}

/* --- Media Queries for Main Page --- */
@media (max-width: 768px) {
  #drop-zone {
    padding: 1.5rem 1rem;
  }

  .input-group {
    flex-direction: column;
    align-items: stretch;
  }

  .input-group .button-secondary {
    width: 100%;
  }
}