html {
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  width: 100vw;
}

* {
  box-sizing: border-box;
}

body {
  box-sizing: border-box;
  overflow-x: hidden;
  overflow-y: auto; /* allow vertical scroll only if needed */
  margin: 0;
  padding: 0;
  width: 100vw;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #121212;
  color: #e0e0e0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.navbar {
  background-color: #1f1f1f;
  padding: 1rem 2rem;
  font-weight: 700;
  font-size: 1.4rem;
  color: white;
  user-select: none;
  box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.container {
  flex: 1;
  padding: 1.5rem 2rem 2rem 2rem;
  overflow-y: visible;
  max-height: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;

  max-width: 700px;
  margin: 0 auto;

  border-left: 1px solid #333;
  border-right: 1px solid #333;
}

.top-label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

#url {
  padding: 0.5rem 0.75rem;
  font-size: 1.1rem;
  border-radius: 6px;
  border: none;
  background-color: #2c2c2c;
  color: #fff;
  outline-offset: 2px;
  outline-color: #0f9d58;
  width: 100%;
  box-shadow: inset 0 0 5px #0f9d58aa;
}

.row {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  max-width: 680px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  flex: 1;
}

label {
  margin-bottom: 0.3rem;
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
}

select {
  padding: 0.6rem 0.8rem;
  font-size: 1.05rem;
  border-radius: 6px;
  border: none;
  background-color: #2c2c2c;
  color: #fff;
  outline-offset: 2px;
  outline-color: #0f9d58;
  box-shadow: inset 0 0 5px #0f9d58aa;
  min-width: 180px;
  max-width: 220px;
  cursor: pointer;
}

select:focus {
  outline: 2px solid #0f9d58;
}

.folder-section {
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.manual-folder-label {
  margin-top: 0.6rem;
  font-weight: 600;
  font-size: 0.9rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

#folder-text {
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  border-radius: 6px;
  border: none;
  background-color: #2c2c2c;
  color: #fff;
  outline-offset: 2px;
  outline-color: #0f9d58;
  box-shadow: inset 0 0 5px #0f9d58aa;
}

button {
  background-color: #0f9d58;
  border: none;
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  font-size: 1.05rem;
  transition: background-color 0.2s ease;
  user-select: none;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

button:hover {
  background-color: #0c7a42;
}

#generate-btn {
  margin-top: 0.8rem;
  width: 100%;
}

#copy-btn {
  margin-top: 0.25rem;
  width: 100%;
}

.explanation {
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.8rem;
  color: #bbb;
  margin-top: 0.3rem;
  font-style: italic;
}

.copy-banner {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #0f9d58;
  color: white;
  padding: 10px 15px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1000;
}

.copy-banner.show {
  opacity: 1;
  pointer-events: auto;
}

#output {
  margin-top: 0.2rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  background-color: #222;
  color: #0f9d58;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  border: none;
  margin-left: auto;
  margin-right: auto;
  display: block;
  resize: none;
  user-select: all;
  width: 100%;
  max-width: 400px;
  min-height: 50px;
  overflow: hidden;
  box-sizing: border-box;
  line-height: 1.3rem;
  transition: height 0.2s ease;
}

@media (max-width: 720px) {
  .row {
    flex-direction: column;
    max-width: 100%;
    margin: 0;
  }

  .form-group select {
    max-width: 100%;
    min-width: auto;
  }

  .folder-section,
  #folder-text,
  button,
  #output {
    max-width: 100%;
    margin: 0;
  }
}