:root{
  --bg: #0b0d11;
  --card: #11151c;
  --muted: #98a2b3;
  --text: #eef2f6;
  --primary: #4f8cff;
  --primary-600: #3f76db;
  --border: #1f2430;
  --ok: #36d399;
  --bad: #f08c8c;
}

*{ box-sizing: border-box }

html, body{
  height: 100%;
  background: radial-gradient(1200px 600px at 10% 0%, #0f1420, #0b0d11) fixed;
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, sans-serif;
  margin: 0;
}

.container{
  max-width: 980px;
  margin: 48px auto;
  padding: 0 16px;
}

.header{
  text-align: center;
  margin-bottom: 32px;
}

.header h1{ 
  margin: 0 0 8px;
  font-size: 32px;
  background: linear-gradient(135deg, var(--primary), #7c9fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.muted{ color: var(--muted) }

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 40px rgba(0,0,0,.4);
}

.card h2 {
  margin: 0 0 20px;
  font-size: 20px;
}

.view{ display: none; }
.view.active{ display: block; }

.field{ margin: 16px 0 }
.field label{
  display: block; 
  font-weight: 600; 
  margin-bottom: 8px;
}

input[type="file"], 
input[type="email"] {
  width: 100%;
  border: 1px solid var(--border);
  background: #0e121a;
  color: var(--text);
  border-radius: 10px;
  padding: 12px;
  outline: none;
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.2s ease;
}

input:focus {
  border-color: var(--primary);
}

input[type="file"]::file-selector-button{
  border: 0; 
  border-right: 1px solid var(--border);
  background: rgba(255,255,255,0.05); 
  color: var(--text);
  padding: 8px 14px; 
  margin-right: 12px; 
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
}

input[type="file"]::file-selector-button:hover {
  background: rgba(255,255,255,0.1);
}

.field small {
  display: block;
  margin-top: 6px;
  font-size: 13px;
}

.actions{ 
  display: flex; 
  gap: 12px; 
  margin-top: 24px;
}

.btn{
  flex: 1;
  display: inline-flex; 
  align-items: center; 
  justify-content: center;
  padding: 12px 16px; 
  border-radius: 12px;
  background: #171c26; 
  color: var(--text);
  border: 1px solid var(--border); 
  cursor: pointer; 
  text-decoration: none;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn:hover{ 
  filter: brightness(1.15);
  transform: translateY(-1px);
}

.btn.primary{
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  border: none; 
  color: white;
}

.btn.ghost{ 
  background: transparent;
  border-color: transparent;
}

.btn.ghost:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
}

.btn.small{ 
  padding: 8px 12px; 
  font-size: 14px;
  flex: 0 0 auto;
}

.loading{ 
  display: grid; 
  place-items: center; 
  gap: 16px; 
  padding: 48px 24px;
  text-align: center;
}

.spinner{
  width: 56px; 
  height: 56px; 
  border-radius: 50%;
  border: 4px solid #273043; 
  border-top-color: var(--primary);
  animation: spin 0.9s linear infinite;
}

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

.result-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: rgba(255,255,255,0.02);
  border-radius: 12px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.result-meta > div {
  display: flex;
  gap: 8px;
}

.result-section {
  margin-top: 24px;
}

.result-section h3 {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--primary);
}

.result-box {
  padding: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  white-space: pre-wrap;
  line-height: 1.6;
}

#viste-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.vista-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.2s ease;
}

.vista-card:hover {
  background: rgba(255,255,255,0.04);
  border-color: var(--primary);
}

.vista-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 16px;
}

.vista-header h4 {
  margin: 0;
  font-size: 16px;
  color: var(--primary);
}

.vista-desc {
  padding: 12px;
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  line-height: 1.6;
  margin-bottom: 8px;
  white-space: pre-wrap;
}

.vista-filename {
  font-size: 13px;
  color: var(--muted);
  font-family: 'SF Mono', Monaco, monospace;
}

.subcard {
  margin-top: 24px;
  padding: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.subcard summary {
  cursor: pointer;
  font-weight: 600;
  user-select: none;
}

.subcard summary:hover {
  color: var(--primary);
}

.code{
  background: #0e121a; 
  color: #c6d1e1; 
  border: 1px solid var(--border);
  padding: 16px; 
  border-radius: 12px; 
  overflow: auto;
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 13px;
  line-height: 1.5;
  margin-top: 12px;
}

.footer{ 
  margin-top: 48px; 
  text-align: center;
  padding: 16px 0;
}

@media (max-width: 768px) {
  .container {
    margin: 24px auto;
  }
  
  .header h1 {
    font-size: 24px;
  }
  
  .card {
    padding: 20px;
  }
  
  .actions {
    flex-direction: column;
  }
  
  .vista-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .btn.small {
    width: 100%;
  }
}

::selection {
  background: var(--primary);
  color: white;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--card);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}