/* FILE: style.css */
body { font-family: 'Segoe UI', sans-serif; background: #eff3f6; padding: 20px; color: #333; margin: 0; }
.container { max-width: 500px; margin: 0 auto; }
.header { text-align: center; margin-bottom: 30px; }
.header h1 { color: #2c3e50; font-size: 24px; margin: 0; }
.settings-link { font-size: 13px; color: #777; text-decoration: none; }

.card { background: white; padding: 25px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.form-group { margin-bottom: 20px; }
label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 14px; }

.file-drop-area { border: 2px dashed #ccc; padding: 25px; text-align: center; border-radius: 8px; cursor: pointer; position: relative; background: #fafafa; transition: 0.2s; }
.file-drop-area:hover { border-color: #007bff; background: #f0f8ff; }
input[type="file"] { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }

textarea { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; box-sizing: border-box; font-family: inherit; }
textarea:focus { border-color: #007bff; outline: none; }

button { width: 100%; background: #007bff; color: white; padding: 14px; border: none; border-radius: 8px; font-size: 16px; font-weight: bold; cursor: pointer; transition: 0.3s; }
button:hover { background: #0056b3; }
button:disabled { background: #ccc; }

.btn-secondary { background: #6c757d; margin-top: 10px; }
.btn-download { display: block; background: #28a745; color: white; text-align: center; padding: 12px; border-radius: 8px; text-decoration: none; font-weight: bold; }
.hidden { display: none; }

.loader { border: 4px solid #f3f3f3; border-top: 4px solid #007bff; border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 20px auto; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.progress-log { font-size: 12px; color: #666; text-align: center; font-family: monospace; background: #eef; padding: 8px; border-radius: 4px; }