:root{--color-bg: #f7f5f2;--color-bg-card: #ffffff;--color-bg-sidebar: #2c2a28;--color-sidebar-text: #e8e4de;--color-sidebar-accent: #c4a882;--color-primary: #5c4a3a;--color-primary-light: #8b7355;--color-accent: #9b7cb6;--color-accent-light: #d4c4e8;--color-text: #2c2a28;--color-text-muted: #7a736a;--color-border: #ddd8d0;--color-stato-attivo: #4a7c59;--color-stato-sospeso: #c4932a;--color-stato-concluso: #7a736a;--color-etichetta-ipotesi: #5c7a9b;--color-etichetta-pattern: #4a7c59;--color-etichetta-inferenza: #9b7cb6;--color-etichetta-domanda: #c4932a;--color-etichetta-bibliografica: #7a736a;--radius: 8px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-serif: Georgia, "Times New Roman", serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}.app-shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:240px;min-width:240px;background:var(--color-bg-sidebar);color:var(--color-sidebar-text);display:flex;flex-direction:column;overflow-y:auto}.sidebar-logo{padding:24px 20px 16px;font-size:1.4rem;font-family:var(--font-serif);color:var(--color-sidebar-accent);letter-spacing:.02em;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-logo span{display:block;font-size:.65rem;font-family:var(--font-sans);color:var(--color-text-muted);letter-spacing:.08em;text-transform:uppercase;margin-top:2px}.sidebar-nav{padding:12px 0;flex:1}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--color-sidebar-text);text-decoration:none;font-size:.875rem;transition:background .15s,color .15s;border-radius:0;cursor:pointer;background:none;border:none;width:100%;text-align:left}.nav-item:hover{background:#ffffff0f}.nav-item.active{background:#c4a88226;color:var(--color-sidebar-accent)}.nav-icon{font-size:1rem;width:20px;text-align:center}.main-content{flex:1;overflow-y:auto;display:flex;flex-direction:column}.page-header{padding:24px 32px 0;border-bottom:1px solid var(--color-border);background:var(--color-bg-card)}.page-title{font-size:1.5rem;font-weight:600;color:var(--color-primary);margin-bottom:16px}.page-body{padding:24px 32px;flex:1}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;border:none;transition:opacity .15s,box-shadow .15s;text-decoration:none}.btn:hover{opacity:.88}.btn:active{opacity:.75}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow)}.btn-secondary{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border)}.btn-danger{background:#c0392b;color:#fff}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.8125rem;font-weight:500;color:var(--color-text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}.form-input,.form-select,.form-textarea{width:100%;padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.9375rem;font-family:var(--font-sans);color:var(--color-text);background:#fff;transition:border-color .15s,box-shadow .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary-light);box-shadow:0 0 0 3px #5c4a3a1a}.form-textarea{resize:vertical;min-height:120px;line-height:1.6}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-attivo{background:#e8f5ee;color:var(--color-stato-attivo)}.badge-sospeso{background:#fef3e2;color:var(--color-stato-sospeso)}.badge-concluso{background:#f0eeec;color:var(--color-stato-concluso)}.badge-da-documentare{background:#fff3e2;color:var(--color-stato-sospeso)}.badge-bozza{background:#f0f0f8;color:#5c5c9b}.badge-completata{background:#e8f5ee;color:var(--color-stato-attivo)}.etichetta-epistemica{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase}.etichetta-ipotesi_lavoro{background:#e8f0f8;color:var(--color-etichetta-ipotesi)}.etichetta-pattern_osservato{background:#e8f5ee;color:var(--color-etichetta-pattern)}.etichetta-inferenza_ragionata{background:#f0e8f8;color:var(--color-etichetta-inferenza)}.etichetta-domanda_aperta{background:#fef3e2;color:var(--color-etichetta-domanda)}.etichetta-corrispondenza_bibliografica{background:#f0eeec;color:var(--color-etichetta-bibliografica)}.list-item{display:flex;align-items:center;gap:16px;padding:14px 20px;border-bottom:1px solid var(--color-border);cursor:pointer;transition:background .1s;text-decoration:none;color:inherit}.list-item:last-child{border-bottom:none}.list-item:hover{background:var(--color-bg)}.search-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow)}.search-bar input{flex:1;border:none;outline:none;font-size:.9375rem;background:transparent;color:var(--color-text)}.search-snippet mark{background:#ffe99a;border-radius:2px;padding:0 2px;font-style:normal}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.text-muted{color:var(--color-text-muted);font-size:.875rem}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.font-serif{font-family:var(--font-serif)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 768px){.sidebar{width:0;min-width:0;overflow:hidden}.page-header,.page-body{padding:16px}.grid-2{grid-template-columns:1fr}}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:48px 24px;color:var(--color-text-muted)}.empty-state-icon{font-size:2.5rem;margin-bottom:12px}.empty-state-title{font-size:1.1rem;font-weight:600;color:var(--color-text);margin-bottom:6px}