.navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;display:flex;justify-content:center;box-shadow:0 2px 4px #0000001a}.nav-container{display:flex;align-items:center;justify-content:center;gap:1rem;width:100%;max-width:1400px;padding:0 1rem}*{box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--background-primary);color:var(--text-primary);margin:0;transition:background-color .3s ease,color .3s ease;min-height:100vh}a{color:var(--color-accent);text-decoration:none}a:hover,a:focus{text-decoration:underline}body.light-theme::-webkit-scrollbar,body.dark-theme::-webkit-scrollbar{width:8px;height:8px}body.light-theme::-webkit-scrollbar-thumb{background-color:#0003;border-radius:10px}body.dark-theme::-webkit-scrollbar-thumb{background-color:#fff3;border-radius:10px}:root{--background-primary: #fafafa;--text-primary: #222222;--color-accent: #6200ee;--primary: #1976d2;--primary-light: #e3f2fd;--primary-dark: #1565c0;--accent: #7cb342;--accent-bg: #f1f8e9;--text: #0d0d0d;--text-secondary: #333;--surface: #ffffff;--surface-elevated: #f5f5f5;--border: #cfd8dc}body.dark-theme{--background-primary: #121212;--text-primary: #e0e0e0;--color-accent: #bb86fc;--primary: #90caf9;--primary-light: #1e1e1e;--primary-dark: #42a5f5;--accent: #aed581;--accent-bg: #2e7d32;--text: #e0e0e0;--text-secondary: #aaa;--surface: #121212;--surface-elevated: #1e1e1e;--border: #424242}.container{display:flex;flex-direction:column;gap:2rem;padding:2rem;max-width:1400px;margin:0 auto;color:var(--text)}@media (min-width: 1024px){.container{display:grid;grid-template-columns:1fr 1fr;align-items:flex-start}}.left-panel,.right-panel{display:flex;flex-direction:column;gap:1.5rem}.drop-zone{border:2px dashed var(--primary);background-color:var(--primary-light);text-align:center;padding:2rem;border-radius:12px;cursor:pointer;transition:background-color .3s,border-color .3s}.drop-zone.dragging{background-color:var(--primary-dark);border-color:var(--primary)}.drop-zone p{margin:0;font-weight:500;color:var(--primary-dark)}.metadata-form,.chat-form{padding:1rem;border-radius:12px;background-color:var(--surface-elevated);box-shadow:0 1px 4px #0000000d;border:1px solid var(--border)}.actions,.chat-actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}.save-button{align-self:flex-end}.response{background-color:var(--accent-bg);border-left:5px solid var(--accent);padding:1rem;border-radius:10px}.response pre{white-space:pre-wrap;font-family:monospace;margin:0;color:var(--text)}.file{background:var(--surface);color:var(--text);padding:1rem;border-radius:10px;box-shadow:0 2px 5px #0000000d;margin-top:1rem;border:1px solid var(--border)}.file-header{display:flex;justify-content:space-between;align-items:center}.description{display:flex;align-items:flex-end;gap:.5rem;margin-top:.5rem}.questions .tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;display:flex;align-items:center;justify-content:center;z-index:999}.modal-content{background:var(--surface);padding:2rem;border-radius:12px;max-width:800px;width:90%;max-height:80%;overflow-y:auto;box-shadow:0 5px 15px #0000004d;color:var(--text);border:1px solid var(--border)}.modal-content .actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1rem}