:root{--bg-primary: #f8f9fa;--bg-secondary: #ffffff;--text-primary: #212529;--accent: #0d6efd;--border-color: #dee2e6}body.dark{--bg-primary: #121212;--bg-secondary: #1e1e1e;--text-primary: #e0e0e0;--border-color: #333333}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .3s,color .3s;margin:0}.theme-toggle{width:45px;height:45px;border-radius:12px;border:none;background-color:var(--bg-secondary);color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.4rem;transition:all .2s;box-shadow:0 2px 5px var(--shadow)}.theme-toggle:hover{background-color:var(--bg-primary);transform:translateY(-2px)}.app-header{height:80px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:0 25px;display:flex;align-items:center;position:sticky;top:0;z-index:1000}.header-left{flex:1}.logo-section{display:flex;align-items:center;gap:12px}.header-logo{height:32px;width:auto}.brand-info h1{font-size:1.1rem;margin:0;color:var(--accent);line-height:1;font-weight:700;letter-spacing:-.5px}.brand-info p{font-size:.65rem;margin:2px 0 0;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px}.header-right{display:flex;align-items:center;gap:15px}.export-data-btn{background-color:var(--accent);color:#fff;border:none;padding:8px 14px;border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px}.export-data-btn:hover{opacity:.9;transform:translateY(-1px)}.export-icon{font-size:1rem}.divider{width:1px;height:24px;background-color:var(--border-color);margin:0 5px}@media(max-width:768px){.brand-info p{display:none}}.file-upload{background-color:var(--bg-secondary);border:2px dashed var(--border-color);border-radius:12px;padding:40px;text-align:center;max-width:600px;margin:0 auto 10px}.file-upload input[type=file]{display:none}.file-upload label{display:inline-block;padding:15px 30px;background-color:var(--accent);color:#fff;border-radius:8px;cursor:pointer}.file-name{margin-top:15px;color:var(--text-secondary)}.error{color:var(--danger);margin-top:10px}.table-container{background-color:var(--bg-secondary);border-radius:12px;padding:20px;overflow-x:auto}.data-table{width:100%;border-collapse:collapse}.data-table th{background-color:var(--accent);color:#fff;padding:12px;text-align:left}.data-table td{padding:12px;border-bottom:1px solid var(--border-color)}.data-table tr:hover{background-color:#0d6efd0d}.stat-card{background-color:var(--bg-secondary);border-radius:12px;padding:20px;border-left:4px solid var(--accent);display:flex;align-items:center;gap:15px;box-shadow:0 2px 8px var(--shadow)}.stat-icon{font-size:2rem}.stat-value{font-size:1.8rem;font-weight:700;margin:0}.stat-title{font-size:.9rem;color:var(--text-secondary);margin:0}.statistics-dashboard{margin:30px 0}.statistics-dashboard h2{text-align:center;color:var(--text-primary);margin-bottom:25px;font-size:1.8rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;max-width:1200px;margin:0 auto}.columns-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:20px}.column-card{background-color:var(--bg-secondary);border-radius:12px;padding:20px;box-shadow:0 2px 8px var(--shadow);transition:transform .2s,box-shadow .2s;border-top:4px solid var(--accent);display:flex;flex-direction:column;height:100%;margin:0}.column-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px var(--shadow)}.column-header{display:flex;align-items:center;gap:10px;margin-bottom:15px;padding-bottom:15px;border-bottom:1px solid var(--border-color)}.column-header h3{flex:1;margin:0;font-size:1.1rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.column-type-badge{padding:4px 10px;border-radius:20px;font-size:.75rem;background-color:var(--accent);color:#fff;text-transform:uppercase;font-weight:700}.column-stats{display:flex;flex-direction:column;gap:10px}.column-stats p{margin:0;font-size:.9rem;color:var(--text-secondary);display:flex;justify-content:space-between;align-items:center}.column-stats strong{color:var(--text-primary);word-break:break-all;text-align:right}.chart-configurator{background-color:var(--bg-secondary);border-radius:12px;padding:25px;margin:30px 0;box-shadow:0 2px 8px var(--shadow)}.config-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px}.form-field{display:flex;flex-direction:column;gap:8px}.form-field label{font-size:.9rem;color:var(--text-secondary);font-weight:600}.form-field select,.form-field input{padding:10px 12px;border:2px solid var(--border-color);border-radius:8px;background-color:var(--bg-primary);color:var(--text-primary)}.create-button{grid-column:1 / -1;padding:12px;background-color:#198754;color:#fff;border:none;border-radius:8px;cursor:pointer;margin-top:10px}.chart-container{background-color:var(--bg-secondary);border-radius:12px;padding:20px;box-shadow:0 2px 8px var(--shadow);margin:20px 0}.chart-title{text-align:center;color:var(--text-primary);margin:0 0 20px;font-size:1.3rem}.recharts-cartesian-grid-horizontal line,.recharts-cartesian-grid-vertical line{stroke:var(--border-color)}.recharts-text{fill:var(--text-secondary);font-size:.9rem}.recharts-legend-wrapper{margin-top:20px!important}.chart-empty{display:flex;align-items:center;justify-content:center;height:400px;color:var(--text-secondary);font-size:1.1rem}.search-bar{position:relative;display:flex;align-items:center;background-color:var(--bg-secondary);border:2px solid var(--border-color);border-radius:12px;padding:12px 15px;gap:10px;transition:all .3s ease;margin-bottom:20px}.search-bar:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px #0d6efd1a}.search-icon{font-size:1.2rem;color:var(--text-secondary)}.search-input{flex:1;border:none;background:transparent;color:var(--text-primary);font-size:1rem;outline:none}.clear-search{background:var(--border-color);border:none;color:var(--text-primary);cursor:pointer;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:background .2s}.clear-search:hover{background:var(--danger);color:#fff}.column-filter-card{background-color:var(--bg-secondary, #1a1a1a);border:1px solid var(--border-color, #333);border-radius:10px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease}.column-filter-card:hover{border-color:var(--accent, #3b82f6)}.filter-header{padding:12px 16px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;background-color:#ffffff08;-webkit-user-select:none;user-select:none}.filter-header h4{margin:0;font-size:.9rem;font-weight:600;color:var(--text-primary, #fff)}.filter-header-actions{display:flex;align-items:center;gap:8px;font-size:.75rem;color:var(--text-secondary, #888)}.filter-count{background-color:var(--accent, #3b82f6);color:#fff;padding:1px 6px;border-radius:4px;font-weight:700}.filter-content{padding:12px;border-top:1px solid var(--border-color, #333)}.filter-actions{display:flex;gap:6px;margin-bottom:12px}.filter-actions button{flex:1;background-color:#2a2a2a;border:1px solid #444;color:#bbb;padding:4px 0;border-radius:4px;font-size:.7rem;cursor:pointer;transition:all .2s}.filter-actions button:hover{background-color:#3b82f6;color:#fff;border-color:#3b82f6}.filter-options{max-height:180px;overflow-y:auto;display:flex;flex-direction:column;gap:2px}.filter-options::-webkit-scrollbar{width:4px}.filter-options::-webkit-scrollbar-thumb{background:#444;border-radius:10px}.filter-option{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:6px;cursor:pointer;transition:background .15s}.filter-option:hover{background-color:#ffffff0d}.filter-option input[type=checkbox]{width:15px;height:15px;accent-color:var(--accent, #3b82f6);cursor:pointer}.filter-option span{font-size:.85rem;color:var(--text-secondary, #ccc);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.filter-option input:checked+span{color:#fff;font-weight:500}.filter-panel{background-color:var(--bg-secondary);border-radius:15px;padding:25px;margin:20px 0;box-shadow:0 4px 12px var(--shadow);border:1px solid var(--border-color)}.filter-panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.filter-panel-header h3{margin:0;color:var(--text-primary)}.reset-all-btn{background:var(--danger);color:var(--text-primary);border:none;padding:8px 15px;border-radius:8px;cursor:pointer;font-weight:600;transition:opacity .2s}.reset-all-btn:hover{opacity:.9}.filter-panel select,.filter-panel input,.filter-panel label,.filter-panel span,.filter-panel p{color:var(--text-primary)}.active-filters-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;padding:10px 0}.filter-tag{display:flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:5px 12px;border-radius:20px;font-size:.85rem;animation:fadeIn .3s ease}.filter-tag.search{background:var(--success)}.filter-tag b{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;background:#fff3;border-radius:50%;font-size:.7rem}.filter-tag b:hover{background:#fff6}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 20px;background-color:var(--bg-secondary);border-radius:16px;border:2px dashed var(--border-color);margin:20px 0}.empty-state-icon{font-size:4rem;margin-bottom:20px}.empty-state-title{font-size:1.8rem;color:var(--text-primary);margin-bottom:10px}.empty-state-description{color:var(--text-secondary);max-width:400px;margin-bottom:25px;line-height:1.5}.empty-state-action{background-color:var(--accent);color:#fff;border:none;padding:12px 28px;border-radius:8px;font-weight:600;cursor:pointer;transition:background-color .2s}.empty-state-action:hover{filter:brightness(1.1)}:root{--sidebar-width: 320px}.app{min-height:100vh;background-color:var(--bg-primary)}.dashboard-layout{display:flex;gap:20px;padding:20px;max-width:1800px;margin:0 auto}.sidebar{width:var(--sidebar-width);flex-shrink:0}.sidebar-sticky{position:sticky;top:20px;display:flex;flex-direction:column;gap:15px}.main-content{flex-grow:1;min-width:0;display:flex;flex-direction:column;gap:25px}.analysis-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(450px,1fr));gap:20px}.data-info-badge{background:var(--bg-secondary);padding:10px;border-radius:8px;text-align:center;font-weight:700;font-size:.85rem;border:1px solid var(--border-color);color:var(--accent)}.section-title{font-size:1.25rem;margin-bottom:15px;padding-left:5px;border-left:4px solid var(--accent)}.welcome-screen{width:100%;max-width:800px;margin:100px auto;display:flex;flex-direction:column;gap:30px}.app-footer{text-align:center;padding:30px;border-top:1px solid var(--border-color);color:var(--text-secondary);margin-top:50px}@media(max-width:1024px){.dashboard-layout{flex-direction:column}.sidebar{width:100%}.sidebar-sticky{position:static}}