@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary: #0ea5e9;--primary-hover: #0284c7;--bg: #f8fafc;--surface: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}button{cursor:pointer;border:none;font-family:inherit;transition:all .2s ease}input,textarea,select{font-family:inherit;border:1px solid var(--border);border-radius:8px;padding:8px 12px;width:100%;transition:border-color .2s ease}input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0ea5e91a}.glass{background:#fffc;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.3)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .4s ease forwards}.app-container{display:flex;height:100vh;overflow:hidden}.sidebar{width:280px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px}.brand{margin-bottom:32px}.logo{display:block;font-size:24px;font-weight:700;color:var(--primary);letter-spacing:-1px}.slogan{font-size:12px;color:var(--text-muted)}.project-list{margin-top:24px;flex:1;overflow-y:auto}.project-item{padding:12px;border-radius:var(--radius);cursor:pointer;margin-bottom:8px;transition:background .2s}.project-item:hover{background:#f1f5f9}.project-item.active{background:#e0f2fe;border:1px solid #bae6fd}.project-title{font-weight:600;font-size:14px}.project-meta{font-size:11px;color:var(--text-muted)}.main-content{flex:1;display:flex;flex-direction:column;background-color:var(--bg);overflow-y:auto}.top-bar{height:64px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:10}.status-badge{font-size:12px;background:#f1f5f9;padding:4px 12px;border-radius:20px;font-weight:500}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px}.welcome-screen h1{font-size:32px;margin-bottom:16px}.editor-grid{display:grid;grid-template-columns:350px 1fr;gap:24px;padding:24px;flex:1}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:20px;box-shadow:var(--shadow);margin-bottom:24px}.card h2{font-size:16px;font-weight:600;margin-bottom:16px}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.drop-zone:hover{border-color:var(--primary);background:#0ea5e90d}.form-grid{display:grid;gap:12px}.right-panel{display:flex;flex-direction:column;gap:24px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.editor-textarea{width:100%;height:300px;resize:vertical;font-family:Courier New,Courier,monospace;font-size:14px}.preview-container{background:#f1f5f9;padding:24px;border-radius:8px;min-height:400px}.paper-preview{background:#fff;width:100%;min-height:297mm;padding:40px;box-shadow:var(--shadow-lg);color:#000}.btn{padding:10px 20px;border-radius:8px;font-weight:500;font-size:14px}.btn-sm{padding:6px 12px;font-size:12px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:#f1f5f9;color:var(--text)}.btn-accent{background:#10b981;color:#fff}.text-center{text-align:center}@media print{.sidebar,.top-bar,.left-panel,.card-header,.editor-textarea{display:none!important}.main-content,.right-panel,.preview-card,.preview-container{padding:0!important;margin:0!important;background:#fff!important;overflow:visible!important}.paper-preview{box-shadow:none!important;border:none!important;padding:0!important}}