:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --success: #22c55e;
  --error: #ef4444;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

h1 { text-align: center; margin-bottom: 0.5rem; }
.muted { text-align: center; color: var(--muted); margin-bottom: 2rem; }

.card {
  background: var(--card);
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  margin-bottom: 24px;
  border: 1px solid var(--border);
}

.hidden { display: none; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-bottom: 12px; }

input, textarea, button {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-sizing: border-box;
  font-size: 1rem;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  ring: 2px solid var(--primary);
}

button {
  background-color: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
  margin-top: 10px;
}

button:hover { background-color: var(--primary-hover); }
button:disabled { background-color: var(--muted); cursor: not-allowed; }

.upload-section {
  padding: 20px;
  border: 2px dashed var(--border);
  border-radius: 12px;
  text-align: center;
  margin: 20px 0;
}

.or-separator {
  text-align: center;
  margin: 15px 0;
  font-weight: bold;
  color: var(--muted);
}

.cut {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
  background: #f1f5f9;
  border-radius: 8px;
}

.meta { font-size: 0.85rem; color: var(--muted); margin: 8px 0; }
pre {
  background: #1e293b;
  color: #f8fafc;
  padding: 12px;
  border-radius: 6px;
  white-space: pre-wrap;
  font-size: 0.9rem;
}

#progressContainer {
  margin: 20px 0;
  padding: 15px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.9rem;
}

.progress-bar-bg {
  width: 100%;
  height: 12px;
  background: #e2e8f0;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #818cf8);
  transition: width 0.3s ease;
  position: relative;
}

/* Efeito animado para o servidor processando */
.progress-bar-fill.processing {
  width: 100% !important;
  animation: pulse-loading 2s infinite linear;
  background-image: linear-gradient(45deg, 
    rgba(255, 255, 255, 0.15) 25%, 
    transparent 25%, 
    transparent 50%, 
    rgba(255, 255, 255, 0.15) 50%, 
    rgba(255, 255, 255, 0.15) 75%, 
    transparent 75%, 
    transparent);
  background-size: 1rem 1rem;
}

@keyframes pulse-loading {
  0% { background-position: 1rem 0; opacity: 0.8; }
  50% { opacity: 1; }
  100% { background-position: 0 0; opacity: 0.8; }
}

.progress-subtext {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 8px;
  text-align: center;
}

.btn-render { background-color: var(--success); }
.btn-render:hover { background-color: #16a34a; }

.download-link {
  display: block;
  margin-top: 10px;
  color: var(--success);
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  padding: 10px;
  border: 1px solid var(--success);
  border-radius: 8px;
}

.error { color: var(--error); font-weight: bold; }

details {
  margin-top: 15px;
  padding: 10px;
  background: #f8fafc;
  border-radius: 8px;
}
summary { cursor: pointer; font-weight: bold; color: var(--primary); }

.edit-controls {
  background: var(--bg);
  padding: 10px;
  border-radius: 6px;
  margin: 10px 0;
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
  border: 1px solid var(--border);
}

.edit-controls label {
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

.input-time {
  width: 70px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
  background: var(--surface);
  color: var(--text);
}

.input-title {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
  font-weight: bold;
}

.btn-toggle-preview {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-weight: bold;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 6px;
  margin-top: 10px;
}
.btn-toggle-preview:hover {
  background: rgba(147, 51, 234, 0.1);
}

.btn-mark {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  flex: 1;
}
.btn-mark:hover {
  background: var(--border);
}