.submit-container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--bg-darker);
  border-radius: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.submit-container h1 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, #fff, #aaa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
  position: relative;
}

.step-indicator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-color);
  transform: translateY(-50%);
  z-index: 1;
}

.step {
  position: relative;
  z-index: 2;
  background: var(--bg-darker);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.step.active {
  background: var(--accent);
  color: var(--bg-dark);
  border-color: var(--accent);
}

.step.completed {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
}

.card {
  display: none;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  padding: 2rem;
  box-shadow: var(--glass-shadow);
}

.card.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.card h3 {
  font-size: 1.3rem;
  margin: 1.5rem 0 1rem;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group label.required::after {
  content: ' *';
  color: #ff5f5f;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group input[type="file"] {
  width: 100%;
  padding: 0.5rem 0;
  color: var(--text-secondary);
}

.form-group input[type="file"]::-webkit-file-upload-button {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  margin-right: 1rem;
}

.form-group input[type="file"]::-webkit-file-upload-button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
}

.song-options {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
}

.song-options label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  text-transform: none;
  font-size: 1rem;
  cursor: pointer;
}

.song-options input[type="radio"] {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
}

.song-link-input input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
}

.song-link-input input:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.song-link-input input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.hidden {
  display: none !important;
}

.song-entry,
.genre-entry,
.other-entry {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.song-entry .song-options {
  margin-bottom: 1rem;
}

.song-entry .song-link-input input,
.song-entry .song-file-input input {
  width: 100%;
  margin-bottom: 1rem;
}

.song-entry .song-file-input input[type="file"] {
  padding: 0.5rem 0;
}

.song-entry .song-file-input input[type="file"]::-webkit-file-upload-button {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  margin-right: 1rem;
}

.song-entry .song-file-input input[type="file"]::-webkit-file-upload-button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
}

.remove-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.remove-button:hover {
  color: #f44336;
  background: rgba(244, 67, 54, 0.1);
}

.add-button {
  background: transparent;
  border: 1px dashed var(--border-color);
  border-radius: 30px;
  padding: 0.6rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0 1.5rem;
}

.add-button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 255, 255, 0.02);
}

.add-button i {
  font-size: 0.9rem;
}

.button-group {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  gap: 1rem;
}

.button-group.single-action {
  justify-content: flex-end;
}

.button-group.single-action .btn {
  margin-left: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent);
  transform: translateY(-3px);
}

.btn i {
  font-size: 1rem;
}

@media (max-width: 768px) {
  .submit-container {
    padding: 1rem;
    margin: 1rem;
  }

  .step-indicator {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .step {
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
  }

  .card {
    padding: 1.2rem;
  }

  .card h2 {
    font-size: 1.5rem;
  }

  .card h3 {
    font-size: 1.1rem;
  }

  .song-options {
    flex-direction: column;
    gap: 0.8rem;
  }

  .song-entry,
  .genre-entry,
  .other-entry {
    padding: 1rem;
  }

  .button-group {
    flex-direction: column;
  }

  .btn {
    justify-content: center;
    width: 100%;
  }

  .button-group.single-action .btn {
    margin-left: 0;
  }

  .add-button {
    width: 100%;
    justify-content: center;
  }

  .remove-button {
    top: 0.3rem;
    right: 0.3rem;
  }
}