@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-bg:#0f1117;--color-bg-card:#1a1d2e;--color-bg-elevated:#252840;--color-border:#ffffff14;--color-border-focus:#63b3ed99;--color-primary:#4a90e2;--color-primary-dark:#2b6cb0;--color-primary-light:#63b3ed;--color-accent:#48bb78;--color-accent-dark:#2f855a;--color-warning:#ed8936;--color-danger:#fc8181;--color-danger-dark:#c53030;--color-text:#e2e8f0;--color-text-muted:#718096;--color-text-inverted:#1a202c;--color-text-light:#a0aec0;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 24px #0006;--shadow-lg:0 8px 48px #00000080;--shadow-glow:0 0 20px #4a90e240;--transition:all .2s ease;--transition-slow:all .4s cubic-bezier(.4, 0, .2, 1)}.light-mode{--color-bg:#f5f7fa;--color-bg-card:#fff;--color-bg-elevated:#e2e8f0;--color-border:#00000014;--color-border-focus:#4a90e280;--color-text:#1a202c;--color-text-muted:#718096;--color-text-light:#4a5568;--color-text-inverted:#fff;--shadow-sm:0 2px 4px #0000000d;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 24px #0000001a;--shadow-glow:0 0 20px #4a90e21a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}.sr-only{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.login-container{background:radial-gradient(ellipse at 20% 50%, #4a90e226 0%, transparent 50%), radial-gradient(ellipse at 80% 20%, #48bb781a 0%, transparent 50%), var(--color-bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;max-width:440px;box-shadow:var(--shadow-lg), var(--shadow-glow);padding:48px 40px;animation:.5s forwards fadeSlideUp}.login-logo{align-items:center;gap:14px;margin-bottom:8px;display:flex}.login-logo-icon{background:linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));border-radius:var(--radius-md);justify-content:center;align-items:center;width:52px;height:52px;font-size:24px;display:flex;box-shadow:0 4px 16px #4a90e266}.login-logo-text h1{background:linear-gradient(135deg, var(--color-primary-light), var(--color-accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.5rem;font-weight:800}.login-logo-text span{color:var(--color-text-muted);letter-spacing:.5px;font-size:.75rem;font-weight:400}.login-logo-img{object-fit:contain;border-radius:var(--radius-md);width:52px;height:52px;box-shadow:0 4px 12px #0000001a}.login-subtitle{color:var(--color-text-muted);margin-top:4px;margin-bottom:36px;font-size:.9rem}.login-error{border-radius:var(--radius-sm);color:var(--color-danger);background:#fc81811a;border:1px solid #fc81814d;align-items:center;gap:8px;margin-bottom:20px;padding:12px 16px;font-size:.875rem;display:flex}.form-group{margin-bottom:20px}.form-label{color:var(--color-text-light);text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px;font-size:.8rem;font-weight:600;display:block}.form-input{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);width:100%;color:var(--color-text);transition:var(--transition);outline:none;padding:12px 16px;font-family:inherit;font-size:.95rem}.form-input:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px #63b3ed26}.form-input::placeholder{color:var(--color-text-muted)}.form-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23718096' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat}.form-textarea{resize:vertical;min-height:80px}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);white-space:nowrap;letter-spacing:.3px;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-family:inherit;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));color:#fff;box-shadow:0 4px 16px #4a90e266}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 24px #4a90e280}.btn-success{background:linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));color:#fff;box-shadow:0 4px 16px #48bb7859}.btn-success:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 24px #48bb7873}.btn-danger{color:var(--color-danger);background:#fc818126;border:1px solid #fc81814d}.btn-danger:hover:not(:disabled){background:#fc818140}.btn-ghost{color:var(--color-text-muted);border:1px solid var(--color-border);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--color-bg-elevated);color:var(--color-text)}.btn-outline{color:var(--color-primary-light);border:1px solid var(--color-primary);background:0 0}.btn-outline:hover:not(:disabled){color:var(--color-primary-light);background:#4a90e21a;transform:translateY(-1px)}.btn-sm{padding:8px 16px;font-size:.8rem}.btn-lg{padding:14px 32px;font-size:1rem}.btn-full{width:100%}.btn-icon{border-radius:var(--radius-sm);padding:8px}.dashboard{min-height:100vh;display:flex}.sidebar{background:var(--color-bg-card);border-right:1px solid var(--color-border);z-index:100;width:260px;height:100vh;transition:var(--transition-slow);flex-direction:column;display:flex;position:fixed;top:0;left:0}.sidebar-header{border-bottom:1px solid var(--color-border);padding:24px 20px}.sidebar-logo{align-items:center;gap:12px;display:flex}.sidebar-logo-icon{background:linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));border-radius:var(--radius-sm);justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;display:flex}.sidebar-logo-text h2{background:linear-gradient(135deg, var(--color-primary-light), var(--color-accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.1rem;font-weight:800}.sidebar-logo-text small{color:var(--color-text-muted);font-size:.7rem;display:block}.sidebar-logo-img{object-fit:contain;border-radius:var(--radius-sm);width:40px;height:40px}.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}.nav-section-title{text-transform:uppercase;letter-spacing:1.2px;color:var(--color-text-muted);margin-top:16px;margin-bottom:8px;padding:0 8px;font-size:.65rem;font-weight:700}.nav-section-title:first-child{margin-top:0}.nav-item{border-radius:var(--radius-md);color:var(--color-text-light);cursor:pointer;transition:var(--transition);text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;margin-bottom:2px;padding:10px 12px;font-size:.9rem;font-weight:500;display:flex}.nav-item:hover{background:var(--color-bg-elevated);color:var(--color-text)}.nav-item.active{color:var(--color-primary-light);background:#4a90e226}.nav-item.active .nav-icon{color:var(--color-primary-light)}.nav-icon{text-align:center;min-width:20px;font-size:1.1rem}.sidebar-footer{border-top:1px solid var(--color-border);padding:16px 12px}.user-card{border-radius:var(--radius-md);background:var(--color-bg-elevated);align-items:center;gap:12px;padding:12px;display:flex}.user-avatar{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.85rem;font-weight:700;display:flex}.user-info{flex:1;min-width:0}.user-info h4{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:600;overflow:hidden}.user-info small{color:var(--color-text-muted);text-transform:capitalize;font-size:.7rem}.main-content{flex:1;margin-left:260px;padding:32px;overflow-y:auto}.page-header{margin-bottom:28px}.page-title{color:var(--color-text);margin-bottom:6px;font-size:1.8rem;font-weight:800}.page-subtitle{color:var(--color-text-muted);font-size:.9rem}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.card-title{color:var(--color-text);font-size:1rem;font-weight:700}.card-subtitle{color:var(--color-text-muted);margin-top:2px;font-size:.8rem}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:28px;display:grid}.stat-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:var(--transition);align-items:center;gap:16px;padding:20px 24px;display:flex}.stat-card:hover{box-shadow:var(--shadow-md);border-color:#4a90e24d;transform:translateY(-2px)}.stat-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.4rem;display:flex}.stat-icon.blue{background:#4a90e226}.stat-icon.green{background:#48bb7826}.stat-icon.orange{background:#ed893626}.stat-icon.red{background:#fc818126}.stat-info h3{color:var(--color-text);font-size:1.6rem;font-weight:800;line-height:1}.stat-info p{color:var(--color-text-muted);margin-top:4px;font-size:.8rem}.search-bar{margin-bottom:20px;position:relative}.search-bar-icon{color:var(--color-text-muted);font-size:1rem;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.search-input{padding-left:42px}.filter-tabs{background:var(--color-bg-elevated);border-radius:var(--radius-md);border:1px solid var(--color-border);gap:4px;padding:4px;display:flex}.filter-tab{border-radius:var(--radius-sm);color:var(--color-text-muted);cursor:pointer;transition:var(--transition);white-space:nowrap;background:0 0;border:none;padding:6px 14px;font-size:.78rem;font-weight:600}.filter-tab:hover{color:var(--color-text);background:#ffffff08}.filter-tab.active{background:var(--color-bg-card);color:var(--color-primary-light);box-shadow:var(--shadow-sm)}.table-wrapper{border-radius:var(--radius-md);border:1px solid var(--color-border);overflow-x:auto}table{border-collapse:collapse;width:100%}thead{background:var(--color-bg-elevated)}th{text-align:left;text-transform:uppercase;letter-spacing:.8px;color:var(--color-text-muted);white-space:nowrap;padding:12px 16px;font-size:.75rem;font-weight:700}td{color:var(--color-text);border-top:1px solid var(--color-border);padding:14px 16px;font-size:.875rem}tr:hover td{background:#ffffff05}.badge{text-transform:uppercase;letter-spacing:.5px;border-radius:100px;align-items:center;gap:4px;padding:3px 10px;font-size:.72rem;font-weight:700;display:inline-flex}.badge-green{color:#68d391;background:#48bb7826}.badge-blue{color:#63b3ed;background:#4a90e226}.badge-orange{color:#f6ad55;background:#ed893626}.badge-red{color:#fc8181;background:#fc818126}.badge-gray{color:#a0aec0;background:#a0aec026}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0009;justify-content:center;align-items:center;padding:24px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;max-width:560px;box-shadow:var(--shadow-lg);padding:32px;animation:.3s cubic-bezier(.4,0,.2,1) slideUp}.modal-lg{max-width:720px}.modal-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.modal-title{color:var(--color-text);font-size:1.15rem;font-weight:700}.modal-footer{border-top:1px solid var(--color-border);justify-content:flex-end;gap:12px;margin-top:24px;padding-top:20px;display:flex}.book-result-card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:var(--transition);align-items:flex-start;gap:20px;padding:20px;display:flex}.book-result-card:hover{box-shadow:var(--shadow-md);border-color:#4a90e266}.book-cover-placeholder{border-radius:var(--radius-sm);background:linear-gradient(135deg, var(--color-primary-dark), #4a90e24d);flex-shrink:0;justify-content:center;align-items:center;width:64px;height:88px;font-size:1.8rem;display:flex}.book-info h3{color:var(--color-text);margin-bottom:4px;font-size:1rem;font-weight:700}.book-info .book-author{color:var(--color-text-muted);margin-bottom:12px;font-size:.85rem}.book-meta{flex-wrap:wrap;gap:8px;display:flex}.book-meta-item{color:var(--color-text-light);background:var(--color-bg-card);border-radius:var(--radius-sm);border:1px solid var(--color-border);align-items:center;gap:5px;padding:4px 10px;font-size:.78rem;display:flex}.shelf-tag{color:var(--color-primary-light);background:#4a90e226;border-color:#4a90e24d;font-weight:700}.tombstone-tag{color:#68d391;background:#48bb781f;border-color:#48bb7840}.loan-detail-panel{border-radius:var(--radius-lg);background:#4a90e20f;border:1px solid #4a90e233;margin-top:16px;padding:20px}.loan-dates-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.empty-state{text-align:center;color:var(--color-text-muted);padding:60px 24px}.empty-state-icon{margin-bottom:12px;font-size:3rem}.empty-state h3{color:var(--color-text-light);margin-bottom:6px;font-size:1rem;font-weight:600}.empty-state p{font-size:.875rem}.spinner{border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:24px;height:24px;animation:.7s linear infinite spin}.loading-overlay{color:var(--color-text-muted);justify-content:center;align-items:center;gap:12px;padding:60px;display:flex}.toast-container{z-index:2000;flex-direction:column;gap:10px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);min-width:280px;max-width:360px;box-shadow:var(--shadow-lg);align-items:center;gap:12px;padding:14px 20px;font-size:.875rem;animation:.3s slideInRight;display:flex}.toast-success{border-left:3px solid var(--color-accent)}.toast-error{border-left:3px solid var(--color-danger)}.toast-info{border-left:3px solid var(--color-primary)}.role-badge{text-transform:uppercase;letter-spacing:.8px;border-radius:100px;align-items:center;gap:4px;padding:2px 10px;font-size:.68rem;font-weight:700;display:inline-flex}.role-admin{color:#f6ad55;background:#ed893626}.role-operator{color:#63b3ed;background:#4a90e226}.role-student{color:#68d391;background:#48bb7826}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-hint{color:var(--color-text-muted);margin-top:5px;font-size:.75rem}.loan-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:var(--transition);justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;padding:20px 24px;display:flex}.loan-card:hover{box-shadow:var(--shadow-sm);border-color:#4a90e24d}.loan-card-left h3{margin-bottom:4px;font-size:1rem;font-weight:700}.loan-card-left p{color:var(--color-text-muted);margin-bottom:8px;font-size:.83rem}.loan-dates{flex-wrap:wrap;gap:20px;display:flex}.loan-date-item{font-size:.8rem}.loan-date-label{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:.72rem}.loan-date-value{margin-top:2px;font-weight:600}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(32px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=768px){.sidebar{width:240px;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;padding:20px 16px}.stats-grid{grid-template-columns:1fr 1fr}.form-row,.loan-dates-row{grid-template-columns:1fr}.login-card{padding:32px 24px}}@media (width<=480px){.stats-grid{grid-template-columns:1fr}}@media print{.sidebar{display:none!important}.main-content{margin-left:0!important;padding:0!important}.no-print{display:none!important}body{color:#000!important;background:#fff!important}.card{box-shadow:none!important;border:none!important;padding:0!important}table{border-collapse:collapse!important;width:100%!important}th,td{color:#000!important;border:1px solid #ccc!important;padding:8px!important}.badge{color:#000!important;background:0 0!important;border:1px solid #999!important}}.print-only{display:none!important}@media print{.print-only{text-align:center;border-bottom:2px solid #000;flex-direction:column;justify-content:center;align-items:center;margin-bottom:20px;padding-bottom:15px;display:flex!important}.print-only img{max-width:150px;margin-bottom:10px}}