.top-bar-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 20px 50px 20px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.top-bar {
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  padding: 25px 30px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  width: 100%;
  max-width: 800px;
}

#sourceForm {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

#url {
  flex: 1;
  padding: 12px 15px;
  border-radius: 10px;
  border: none;
  outline: none;
  font-size: 1rem;
  transition: all 0.3s ease;
}

#url:focus {
  box-shadow: 0 0 0 3px rgba(255,255,255,0.5);
  background-color: rgba(255,255,255,0.9);
}

#sourceForm button {
  background: #ff7e5f;
  background: linear-gradient(45deg, #ff7e5f, #feb47b);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  padding: 12px 25px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

#sourceForm button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

#sourceForm i {
  margin-left: 10px;
}

#sourceHeading, .top-bar-header {
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  margin: 30px 0 20px 0;
  background: linear-gradient(90deg, #6a11cb, #2575fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.15);
  transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.source-selects {
  display: flex; 
  gap: 20px; 
  margin-top: 15px; 
  align-items: flex-end;
  margin-bottom:20px;
  background: linear-gradient(
    135deg,
    rgba(106, 17, 203, 0.08),
    rgba(37, 117, 252, 0.08)
  );

  border-radius: 14px;
  border: 1px solid rgba(37, 117, 252, 0.15);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  padding: 20px;
}

.source-selects label {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  font-weight: bold;
  color: #333333;
  flex: 1;
  max-width: 300px; 
}

.source-controls button {
  flex: 0; 
  padding: 6px 12px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .source-selects {
    flex-wrap: wrap; 
  }

  .source-selects > * {
    flex: 1 1 100%;
  }
}

.layout {
  display: flex;
  height: 600px;
}

.editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#tabContainer {
  display: flex;
  align-items: center;
  gap: 4px;

  overflow-x: auto;
  overflow-y: hidden;

  white-space: nowrap;
  flex-wrap: nowrap;

  padding: 6px 4px;
  border-bottom: 1px solid #ddd;
}

#tabContainer::-webkit-scrollbar {
  height: 6px;
}

#tabContainer::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;

  padding: 6px 10px;
  border-radius: 8px 8px 0 0;
  background: var(--preview-bg);
  border: 1px solid var(--bs-border-color);
  cursor: pointer;

  white-space: nowrap;
  flex-shrink: 0; 
}

.tab.active {
  background: var(--main-600);
  color: #fff;
}

.tab span {
  margin-left: 8px;
  color: #aaa;
}

.tab span:hover {
  color: #ff0000;
}

.tab.loading {
  font-style: italic;
  opacity: 0.8;
}

.tab .tab-spinner {
  width: 12px;
  height: 12px;
  border: 2px solid #777;
  border-top-color: #b3002d;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 6px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

#editor {
  flex: 1;
  border: 1px solid var(--bs-border-color);
}

.loader {
  position: fixed;
  inset: 0;
  background: #1e1e1e;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #555;
  border-top-color: #0a84ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.hidden { display: none; }

@keyframes spin {
  to { transform: rotate(360deg); }
}
.tab:first-child  {
  padding:6px 20px;
}
.tab:first-child span {
  display: none;
  pointer-events: none;
}

.ace_search_form, .ace_replace_form {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
}

.ace_search_field, .ace_searchbtn {
    box-sizing: border-box !important;
    height: 28px !important;
    line-height: 28px !important;
    margin: 0 !important; 
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.ace_search_field {
    padding: 0 8px !important;
    flex-grow: 1;
}

.ace_searchbtn {
    padding: 0 10px !important;
    font-size: 12px !important;
    min-width: 32px !important;
}

.ace_search {
    background: #fdfdfd !important;
    color: #333 !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 6px !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08) !important;
    padding: 8px !important;
    font-family: 'Inter', 'Segoe UI', sans-serif !important;
}

.ace_searchbtn.toggle_replace, 
.ace_search_form button[title="Toggle Replace"] {
    display: none !important;
}

.ace_search_field {
    background-color: #f5f5f5 !important;
    border: 1px solid #dcdcdc !important;
    border-radius: 4px !important;
    color: #444 !important;
    padding: 4px 8px !important;
    margin: 2px !important;
    outline: none !important;
}

.ace_search_field:focus {
    border-color: #007bff !important;
    background-color: #fff !important;
}


.ace_searchbtn {
    background: #efefef !important;
    border: 1px solid #ddd !important;
    border-radius: 4px !important;
    color: #555 !important;
    margin: 0 2px !important;
    padding: 2px 6px !important;
    cursor: pointer;
}

.ace_searchbtn:hover {
    background: #e5e5e5 !important;
}

.ace_searchbtn.pressed {
    background: #007bff !important;
    color: white !important;
    border-color: #0056b3 !important;
}

.ace_search [action="toggleReplace"] {
    display: none !important;
}

.ace_replace_form {
    display: none !important;
}