:root{--bg:#f5f7fa;--text:#1f2328;--subtext:#646a73;--border:#dee0e3;--accent:#3370ff;--success:#16a34a;--error:#dc2626;--muted:#f5f7fa}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:14px;line-height:1.5}

.header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:#fff}
.title{font-weight:600;font-size:16px}
.actions{display:flex;gap:8px}
.actions button{height:32px;padding:0 12px;border:1px solid var(--border);background:#fff;border-radius:6px;color:var(--text);cursor:pointer;transition:all 0.2s}
.actions button:hover{border-color:var(--accent);color:var(--accent);background:#f0f6ff}

.record-header{padding:12px 16px;background:var(--muted);border-bottom:1px solid var(--border);color:var(--subtext);font-size:12px;display:flex;justify-content:space-between}

.app{padding:16px;max-width:800px;margin:0 auto;padding-bottom:140px;} /* Added padding-bottom for AI Panel */
.section{background:#fff;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,0.05);padding:16px;border:1px solid var(--border)}

.field{margin-bottom:20px}
.field:last-child{margin-bottom:0}
.field-label{font-size:14px;font-weight:500;color:var(--text);margin-bottom:8px;display:flex;align-items:center}
.field-input,.field-textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--text);transition:all 0.2s;background:#fff}
.field-input:focus,.field-textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px rgba(51,112,255,0.1)}
.field-textarea{min-height:100px;resize:vertical;line-height:1.6}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:4px 12px;background:var(--muted);border-radius:16px;font-size:12px;color:var(--text);cursor:pointer;border:1px solid transparent;transition:all 0.2s}
.chip:hover{background:#e1e4e8}
.chip.active{background:#e1effe;color:var(--accent);border-color:var(--accent)}

/* Preview Styles */
.preview-container {
  margin-bottom: 16px;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-container img {
  max-width: 100%;
  max-height: 400px;
  display: block;
}
.preview-container .empty-preview {
  color: #fff;
  opacity: 0.5;
}

/* AI Panel */
.ai-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 16px;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ai-input-group {
  display: flex;
  gap: 8px;
}
.ai-input {
  flex: 1;
  height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  outline: none;
}
.ai-input:focus {
  border-color: var(--accent);
}
.btn-ai {
  height: 40px;
  padding: 0 20px;
  background: linear-gradient(90deg, #3370ff, #8e51ff);
  color: #fff;
  border: none;
  border-radius: 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}
.btn-ai:hover {
  opacity: 0.9;
}
.btn-ai:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Settings Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: #fff;
  width: 400px;
  max-width: 90%;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.modal-header {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}
.modal-footer {
  margin-top: 24px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.status{margin:8px 0;font-size:12px;height:18px;text-align:right}
.status.loading{color:var(--accent)}
.status.success{color:var(--success)}
.status.error{color:var(--error)}

.footer{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--border);padding:12px 16px;display:flex;justify-content:flex-end;gap:12px;box-shadow:0 -2px 10px rgba(0,0,0,0.05)}
.footer button{height:36px;padding:0 16px;border-radius:6px;font-size:14px;cursor:pointer;transition:all 0.2s}
.btn-primary{background:var(--accent);color:#fff;border:none}
.btn-primary:hover{background:#245bdb}

.mode-switch{padding:0 16px;border-bottom:1px solid var(--border);display:flex;gap:24px;background:#fff}
.mode-switch .tab{padding:12px 0;border-bottom:2px solid transparent;cursor:pointer;color:var(--subtext);font-weight:500}
.mode-switch .tab.active{border-bottom-color:var(--accent);color:var(--accent)}

.empty-state{padding:40px;text-align:center;color:var(--subtext);background:#fff;border-radius:8px;border:1px dashed var(--border)}

details.debug{margin:16px;border:1px solid var(--border);border-radius:6px;background:#fff}
details.debug summary{padding:8px 12px;cursor:pointer;background:var(--muted);font-size:12px}

/* Spinner */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.btn-rewrite {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}
.btn-rewrite:hover {
  border-color: var(--accent);
  color: var(--accent);
}