:root{--primary:#0ea5e9;--primary-dark:#0284c7;--primary-light:#f0f9ff;--primary-transparent:rgba(14,165,233,.1);--foreground:#0f172a;--background:#f8fafc;--sidebar-bg:#fff;--border:#e2e8f0;--text-muted:#64748b;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--radius-sm:8px;--radius:12px;--radius-lg:16px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-md:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--shadow-lg:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04)}*{box-sizing:border-box;padding:0;margin:0}body,html{height:100%;width:100%;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol}body{color:var(--foreground);background-color:var(--background);line-height:1.5;font-size:14px}a{text-decoration:none;color:inherit}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--background);padding:2rem}.auth-card{background:#fff;padding:3rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;max-width:440px;border:1px solid var(--border)}.layout{display:grid;grid-template-columns:260px 1fr;height:100vh;overflow:hidden}.sidebar{background-color:var(--sidebar-bg);border-right:1px solid var(--border);padding:1.5rem 1rem;display:flex;flex-direction:column;z-index:10}.sidebar-header{gap:.75rem;padding:0 .75rem 1.5rem;margin-bottom:.5rem}.sidebar-header,.sidebar-logo{display:flex;align-items:center}.sidebar-logo{background:var(--primary);padding:8px;border-radius:var(--radius-sm);justify-content:center;color:#fff}.sidebar-title{font-size:1.25rem;font-weight:700;color:var(--gray-900)}.nav-menu{display:flex;flex-direction:column;gap:.25rem}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.6rem .75rem;border-radius:var(--radius-sm);color:var(--gray-600);font-weight:500;transition:all .2s ease;position:relative}.nav-item:hover{background-color:var(--gray-100);color:var(--gray-900)}.nav-item.active{background-color:#e0f2fe;color:var(--primary-dark);font-weight:600}.nav-item.active:before{content:"";position:absolute;left:-1rem;top:10%;bottom:10%;width:4px;background-color:var(--primary);border-radius:0 4px 4px 0}.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:1.5rem}.storage-card{background:var(--gray-50);padding:1rem;border-radius:var(--radius);border:1px solid var(--border)}.storage-header{display:flex;justify-content:space-between;font-size:.75rem;margin-bottom:.5rem;font-weight:600}.storage-bar-bg{height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden}.storage-bar-fill{width:50%;height:100%;background:var(--primary);border-radius:3px}.main-content{display:flex;flex-direction:column;height:100vh;background:var(--background)}.top-bar{height:64px;min-height:64px;background:#fff;border-bottom:1px solid var(--border);justify-content:space-between;padding:0 2rem;z-index:5}.search-box,.top-bar{display:flex;align-items:center}.search-box{background:var(--gray-100);border-radius:var(--radius-lg);padding:.5rem 1rem;width:360px;border:1px solid transparent;transition:border-color .2s,background-color .2s}.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.search-box input{background:transparent;border:none;outline:none;padding:0;margin-left:.5rem;width:100%;font-size:.9rem;color:var(--gray-900)}.header-actions{gap:1.5rem}.header-actions,.user-profile{display:flex;align-items:center}.user-profile{gap:.75rem;border-left:1px solid var(--border);padding-left:1.5rem}.user-info{text-align:right}.user-name{font-size:.9rem;font-weight:600;color:var(--gray-900)}.user-role{font-size:.75rem;color:var(--text-muted)}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem}.scroll-area{flex:1 1;overflow-y:auto;padding:2rem 2.5rem}.page-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:2rem}.page-title{font-size:1.75rem;font-weight:700;color:var(--gray-900);margin-bottom:.25rem}.breadcrumb{display:flex;align-items:center;gap:.5rem;color:var(--text-muted);font-size:.85rem}.breadcrumb-link{background:none;border:none;color:var(--gray-600);cursor:pointer;font-weight:500;transition:color .2s;font-size:.85rem;padding:0}.breadcrumb-link:hover{color:var(--primary)}.breadcrumb-current{font-weight:600;color:var(--gray-900)}.action-buttons{display:flex;gap:.75rem}.btn-primary{background:var(--primary);color:#fff;border:1px solid var(--primary);padding:.6rem 1.2rem;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s ease;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}.btn-secondary{background:#fff;border:1px solid var(--border);color:var(--gray-700);padding:.6rem 1.2rem;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s ease;box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--gray-50);border-color:var(--gray-300);color:var(--gray-900)}.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:1.5rem;gap:1.5rem}.doc-card{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .2s ease;background:#fff;display:flex;flex-direction:column;overflow:hidden}.doc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--gray-300)}.doc-thumb{height:140px;background:var(--gray-50);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border);position:relative}.doc-info{padding:1rem}.doc-title{font-weight:600;font-size:.95rem;color:var(--gray-900);margin-bottom:.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.doc-meta{display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--text-muted)}.empty-state{text-align:center;padding:4rem 2rem;background:#fff;border-radius:var(--radius-lg);border:1px dashed var(--gray-300);margin-top:2rem}.empty-state-icon{font-size:3rem;margin-bottom:1rem;display:inline-block;background:var(--primary-light);padding:1rem;border-radius:50%;color:var(--primary)}.empty-state h3{font-size:1.25rem;color:var(--gray-900);margin-bottom:.5rem}.empty-state p{color:var(--text-muted)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,23,42,.4);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2000}.badge{font-size:.7rem;font-weight:600;padding:.15rem .5rem;border-radius:12px;text-transform:capitalize}.badge-approved{background:var(--primary-light);color:var(--primary-dark)}.badge-pending{background:#fff7ed;color:#c2410c}.badge-rejected{background:#fef2f2;color:#b91c1c}input,textarea{width:100%;padding:.6rem 1rem;border:1px solid var(--gray-300);border-radius:var(--radius-sm);font-size:.95rem;outline:none;transition:all .2s ease;background:#fff}input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.label{display:block;font-weight:500;margin-bottom:.4rem;font-size:.9rem;color:var(--gray-700)}