*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%; overflow: hidden;
  position: fixed; top: 0; left: 0;
}

body {
  font-family: "Inter", "Montserrat", sans-serif;
  background: linear-gradient(135deg, #fbe9e7 0%, #f5e0dd 100%);
  font-size: 16px;
}

.gradient-container {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; overflow: hidden; pointer-events: none;
}
#canvas-bg {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%; min-height: 100%;
  opacity: 0.35; pointer-events: none;
}

.container {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  display: flex; flex-direction: column;
  z-index: 10; max-width: 100%;
  pointer-events: auto;
}

.app-header {
  display: flex; align-items: center; gap: 14px;
  flex-shrink: 0;
  padding: 10px 20px;
  background: rgba(255, 247, 245, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(224, 170, 160, 0.3);
  z-index: 20; pointer-events: auto;
}
.logo {
  width: 40px; height: 40px;
  background: #e0aaa0; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.2rem; flex-shrink: 0;
}
.header-text h1 {
  font-size: 1.1rem; font-weight: 700; color: #3a3a3a;
}
.header-text span {
  font-size: 0.7rem; color: #8a8a8a;
}
.header-actions {
  display: flex; gap: 6px; margin-left: auto; margin-right: 8px;
}
.action-btn {
  background: rgba(224, 170, 160, 0.15);
  border: 1px solid rgba(224, 170, 160, 0.4);
  padding: 6px 12px;
  border-radius: 18px;
  color: #5c5c5c;
  font-size: 0.7rem; font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; gap: 5px;
  transition: 0.2s;
  font-family: "Montserrat", sans-serif;
  white-space: nowrap;
  pointer-events: auto;
}
.action-btn:hover {
  background: rgba(224, 170, 160, 0.25);
  border-color: #e0aaa0;
}

.lang-toggle {
  background: rgba(224, 170, 160, 0.15);
  border: 1px solid rgba(224, 170, 160, 0.5);
  border-radius: 30px;
  padding: 7px 14px;
  font-weight: 700; font-size: 0.7rem;
  cursor: pointer; transition: 0.2s;
  font-family: "Montserrat", sans-serif;
  color: #5c5c5c; white-space: nowrap;
  pointer-events: auto;
}
.lang-toggle:hover { background: rgba(224, 170, 160, 0.3); }

.split-view {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  z-index: 15; pointer-events: auto;
}

.chat-panel {
  width: 380px;
  min-width: 260px;
  background: rgba(255, 247, 245, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(224, 170, 160, 0.3);
  overflow: hidden;
  pointer-events: auto; z-index: 16;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: auto;
}
.chat-msg {
  display: flex; gap: 8px;
  animation: msgIn 0.2s ease;
  pointer-events: auto;
}
.chat-msg.user { flex-direction: row-reverse; }
.chat-msg.user .bubble {
  background: #e0aaa0; color: white;
  border-radius: 14px 14px 4px 14px;
}
.chat-msg.assistant .bubble {
  background: rgba(224, 170, 160, 0.15); color: #3a3a3a;
  border-radius: 14px 14px 14px 4px;
}
.chat-msg .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(224, 170, 160, 0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; color: #e0aaa0; flex-shrink: 0;
}
.chat-msg .bubble {
  max-width: 260px; padding: 8px 12px;
  font-size: 0.8rem; line-height: 1.4;
}
.chat-msg .bubble.file-bubble {
  background: rgba(224, 170, 160, 0.12);
  border: 1px solid rgba(224, 170, 160, 0.3);
  border-radius: 12px;
  color: #3a3a3a;
  display: flex; align-items: center; gap: 8px;
}
.chat-msg .bubble.file-bubble .remove-btn {
  margin-left: auto; cursor: pointer;
  color: #8a8a8a; font-size: 0.8rem;
}
.chat-msg .bubble.file-bubble .remove-btn:hover { color: #d49b90; }

.chat-input-area {
  padding: 12px;
  border-top: 1px solid rgba(224, 170, 160, 0.3);
  background: rgba(255, 247, 245, 0.5);
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: auto;
}
.input-row {
  display: flex; gap: 6px;
}
.input-row input {
  flex: 1;
  background: rgba(255, 247, 245, 0.8);
  border: 1px solid rgba(224, 170, 160, 0.4);
  border-radius: 18px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-family: "Inter", sans-serif;
  color: #3a3a3a;
  outline: none;
  pointer-events: auto;
}
.input-row input::placeholder { color: #b2a19e; }
.input-row input:focus {
  border-color: #e0aaa0;
  box-shadow: 0 0 0 2px rgba(224, 170, 160, 0.1);
}
.icon-btn {
  width: 34px; height: 34px; border-radius: 50%;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: 0.2s; flex-shrink: 0;
  font-size: 0.85rem;
  pointer-events: auto;
}
.send-btn { background: #e0aaa0; color: white; }
.send-btn:hover { background: #d49b90; }
.attach-btn { background: rgba(224, 170, 160, 0.15); color: #e0aaa0; }
.attach-btn:hover { background: rgba(224, 170, 160, 0.25); }
.url-btn { background: rgba(224, 170, 160, 0.15); color: #e0aaa0; }
.url-btn:hover { background: rgba(224, 170, 160, 0.25); }

.presets-row {
  display: flex; gap: 5px; flex-wrap: wrap;
}
.preset-chip {
  background: rgba(224, 170, 160, 0.12);
  border: 1px solid rgba(224, 170, 160, 0.3);
  padding: 4px 10px; border-radius: 12px;
  font-size: 0.68rem; font-weight: 500;
  cursor: pointer; transition: 0.15s;
  color: #5c5c5c;
  pointer-events: auto;
}
.preset-chip:hover {
  background: rgba(224, 170, 160, 0.25);
  border-color: #e0aaa0;
}

.url-input-row {
  display: none; gap: 6px; margin-top: 4px;
}
.url-input-row.show { display: flex; }
.url-input-row input {
  flex: 1;
  background: rgba(255, 247, 245, 0.8);
  border: 1px solid rgba(224, 170, 160, 0.4);
  border-radius: 14px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-family: "Inter", sans-serif;
  color: #3a3a3a;
  outline: none;
  pointer-events: auto;
}
.url-input-row .fetch-btn {
  background: #e0aaa0; color: white; border: none;
  padding: 6px 12px; border-radius: 12px;
  font-size: 0.7rem; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  font-family: "Montserrat", sans-serif;
  pointer-events: auto;
}

.panel-resizer {
  width: 4px; background: rgba(224, 170, 160, 0.2);
  cursor: col-resize; flex-shrink: 0; transition: 0.15s;
  pointer-events: auto; z-index: 17;
}
.panel-resizer:hover { background: #e0aaa0; }

.preview-panel {
  flex: 1; display: flex; flex-direction: column;
  min-width: 0; overflow: hidden;
  pointer-events: auto; z-index: 16;
}
.preview-tabs {
  display: flex;
  background: rgba(255, 247, 245, 0.5);
  border-bottom: 1px solid rgba(224, 170, 160, 0.3);
  padding: 0 16px; gap: 16px;
  pointer-events: auto;
}
.preview-tab {
  padding: 10px 0; font-size: 0.78rem; font-weight: 600;
  color: #8a8a8a; cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: 0.15s;
  font-family: "Montserrat", sans-serif;
  display: flex; align-items: center; gap: 6px;
  pointer-events: auto;
}
.preview-tab.active {
  color: #e0aaa0;
  border-bottom-color: #e0aaa0;
}
.preview-tab .tab-badge {
  font-size: 0.6rem; background: #e0aaa0; color: white;
  padding: 1px 6px; border-radius: 8px;
}
.preview-content {
  flex: 1; overflow: hidden; position: relative;
  pointer-events: auto;
}
.preview-pane {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  display: none;
  pointer-events: auto;
}
.preview-pane.active { display: flex; }
.preview-pane iframe {
  width: 100%; height: 100%; border: none; background: white;
  pointer-events: auto;
}
.preview-pane .empty-state {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: #b2a19e; font-size: 0.9rem;
  text-align: center; padding: 20px;
  background: rgba(255, 247, 245, 0.5);
  pointer-events: auto;
}
.preview-pane .text-preview {
  width: 100%; height: 100%;
  overflow-y: auto; padding: 24px;
  font-family: "Inter", sans-serif;
  font-size: 0.9rem; line-height: 1.6;
  color: #3a3a3a;
  background: white;
  white-space: pre-wrap;
  pointer-events: auto;
}

.adapt-toggle-bar {
  display: none;
  align-items: center; gap: 10px;
  padding: 8px 16px;
  background: rgba(224, 170, 160, 0.08);
  border-top: 1px solid rgba(224, 170, 160, 0.2);
  pointer-events: auto;
}
.adapt-toggle-bar.show { display: flex; }
.adapt-toggle-bar span {
  font-size: 0.75rem; color: #5c5c5c; font-weight: 500;
}
.toggle-switch {
  position: relative; width: 44px; height: 24px;
  flex-shrink: 0;
  pointer-events: auto;
}
.toggle-switch input {
  opacity: 0; width: 100%; height: 100%;
  position: absolute; z-index: 2; cursor: pointer;
}
.toggle-slider {
  position: absolute; cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #c4c4c4; border-radius: 24px;
  transition: 0.3s;
  pointer-events: none;
}
.toggle-slider::before {
  content: ""; position: absolute;
  height: 18px; width: 18px; left: 3px; bottom: 3px;
  background: white; border-radius: 50%; transition: 0.3s;
}
input:checked + .toggle-slider {
  background: #e0aaa0;
}
input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.status-bar {
  text-align: center; font-size: 0.7rem; color: #8a8a8a;
  padding: 4px; flex-shrink: 0;
  background: rgba(255, 247, 245, 0.5);
  border-top: 1px solid rgba(224, 170, 160, 0.15);
  pointer-events: auto;
}
.status-bar.success { color: #5c9e6b; }
.status-bar.error { color: #d49b90; }

.app-footer {
  text-align: center; padding: 6px;
  font-size: 0.65rem; color: #8a8a8a;
  flex-shrink: 0;
  display: flex; justify-content: center;
  gap: 14px; flex-wrap: wrap;
  background: rgba(255, 247, 245, 0.5);
  border-top: 1px solid rgba(224, 170, 160, 0.15);
  pointer-events: auto;
}
.app-footer a {
  color: #e0aaa0; text-decoration: none; font-weight: 600;
  pointer-events: auto;
}
.app-footer a:hover { color: #d49b90; }

@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; border-radius: 8px; }
::-webkit-scrollbar-thumb { background: #e0aaa0; border-radius: 8px; }

@media (max-width: 640px) {
  .split-view { flex-direction: column; }
  .chat-panel { width: 100%; min-width: 100%; height: 42%; }
  .panel-resizer { display: none; }
  .header-text span { display: none; }
  .action-btn { padding: 5px 8px; font-size: 0.65rem; }
}