:root{--bg-dark:#07080d;--bg-panel:#0d0e17b3;--bg-card:#16182699;--bg-element:#1a1c2b;--text-main:#f3f4f6;--text-sec:#9ca3af;--text-mute:#6b7280;--color-primary:#6366f1;--color-primary-glow:#6366f126;--color-purple:#a855f7;--color-pink:#ec4899;--color-cyan:#06b6d4;--color-emerald:#10b981;--color-amber:#f59e0b;--color-rose:#f43f5e;--glass-border:#ffffff0d;--glass-border-hover:#ffffff1f;--glass-glow:0 8px 32px 0 #0000005e;--font-sans:"Outfit", "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", monospace;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1);--transition-fast:all .15s ease-out}[data-theme=light]{--bg-dark:#f8fafc;--bg-panel:#ffffffe6;--bg-card:#fffffff5;--bg-element:#fff;--text-main:#0f172a;--text-sec:#4b5563;--text-mute:#6b7280;--glass-border:#0206170f;--glass-border-hover:#0206171f;--glass-glow:0 8px 32px 0 #0206170f}[data-theme=light] .main-header{border-bottom:1px solid var(--glass-border);color:var(--text-main);background:#ffffffe6}[data-theme=light] .search-input{border:1px solid var(--glass-border);color:var(--text-main);background:#02061708}[data-theme=light] .logo-text{background:0 0!important;-webkit-background-clip:initial!important;-webkit-text-fill-color:var(--text-main)!important}[data-theme=light] .tool-container{background:var(--bg-panel);color:var(--text-main);border:1px solid var(--glass-border);box-shadow:var(--glass-glow)}[data-theme=light] .tool-card{background:var(--bg-card);border:1px solid var(--glass-border);color:var(--text-main)}[data-theme=light] .btn-secondary{color:var(--text-main);border:1px solid var(--glass-border);background:#0206170a}[data-theme=light] .header-subtitle,[data-theme=light] .category-title,[data-theme=light] .tool-card-desc,[data-theme=light] .sidebar-footer{color:var(--text-sec)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100vh;overflow-x:hidden}#root{height:100%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#0003}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}.dashboard-container{background-image:radial-gradient(at 0 0,#6366f11f 0,#0000 50%),radial-gradient(at 100% 100%,#ec48991a 0,#0000 50%),radial-gradient(#a855f70d 0,#0000 50%);background-size:cover;width:100vw;height:100vh;display:flex}.sidebar{background:var(--bg-panel);-webkit-backdrop-filter:blur(16px);border-right:1px solid var(--glass-border);z-index:10;width:280px;height:100%;transition:var(--transition-smooth);flex-direction:column;flex-shrink:0;display:flex}.sidebar-logo{border-bottom:1px solid var(--glass-border);align-items:center;gap:12px;padding:24px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--color-primary), var(--color-purple));border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;display:flex;box-shadow:0 0 15px #6366f166}.logo-text{letter-spacing:-.025em;background:linear-gradient(135deg, #fff 30%, var(--text-sec));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.25rem;font-weight:700}.sidebar-content{flex-direction:column;flex:1;gap:20px;padding:16px;display:flex;overflow-y:auto}.category-group{flex-direction:column;gap:6px;display:flex}.category-title{text-transform:uppercase;color:var(--text-mute);letter-spacing:.05em;margin-bottom:4px;padding-left:12px;font-size:.75rem;font-weight:600}.sidebar-item{color:var(--text-sec);cursor:pointer;transition:var(--transition-fast);text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;outline:none;align-items:center;gap:12px;width:100%;padding:10px 12px;font-size:.9rem;font-weight:500;text-decoration:none;display:flex}.sidebar-item:hover{color:var(--text-main);border-color:var(--glass-border);background:#ffffff08}.sidebar-item.active{background:var(--color-primary-glow);color:#fff;border-color:#6366f140;box-shadow:inset 0 0 12px #6366f11a}.sidebar-item-icon{width:18px;height:18px;color:inherit}.sidebar-footer{border-top:1px solid var(--glass-border);color:var(--text-mute);text-align:center;padding:20px;font-size:.8rem}.main-content{flex-direction:column;flex:1;height:100%;display:flex;overflow:hidden}.main-header{-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);z-index:9;background:#0a0b1366;justify-content:space-between;align-items:center;height:72px;padding:0 32px;display:flex}.header-title-section{flex-direction:column;display:flex}.header-title{color:#fff;font-size:1.25rem;font-weight:600}.header-subtitle{color:var(--text-sec);font-size:.8rem}.header-actions{align-items:center;gap:16px;width:400px;display:flex}.search-container{width:100%;position:relative}.search-input{border:1px solid var(--glass-border);width:100%;color:var(--text-main);font-family:var(--font-sans);transition:var(--transition-fast);background:#16182680;border-radius:9999px;outline:none;padding:10px 16px 10px 40px;font-size:.875rem}.search-input:focus{border-color:var(--color-primary);background:#161826cc;box-shadow:0 0 15px #6366f126}.search-icon{width:16px;height:16px;color:var(--text-sec);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.tool-viewport{flex-direction:column;flex:1;padding:32px;display:flex;overflow-y:auto}.dashboard-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;margin-top:24px;display:grid}.tool-card{background:var(--bg-card);border:1px solid var(--glass-border);cursor:pointer;transition:var(--transition-smooth);border-radius:16px;padding:24px;position:relative;overflow:hidden}.tool-card:before{content:"";opacity:0;transition:var(--transition-smooth);background:linear-gradient(135deg,#ffffff0d,#0000);position:absolute;inset:0}.tool-card:hover{border-color:#ffffff26;transform:translateY(-4px);box-shadow:0 12px 24px -10px #00000080,0 0 20px #6366f10d}.tool-card:hover:before{opacity:1}.tool-card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.tool-card-icon{border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;display:flex}.tool-card-icon.math{color:var(--color-primary);background:#6366f11a}.tool-card-icon.text{color:var(--color-purple);background:#a855f71a}.tool-card-icon.time{color:var(--color-pink);background:#ec48991a}.tool-card-icon.design{color:var(--color-cyan);background:#06b6d41a}.tool-card-icon.security{color:var(--color-emerald);background:#10b9811a}.tool-card-badge{color:var(--text-sec);border:1px solid var(--glass-border);background:#ffffff0d;border-radius:9999px;padding:4px 8px;font-size:.7rem;font-weight:600}.tool-card-title{color:#fff;margin-bottom:6px;font-size:1.1rem;font-weight:600}.tool-card-desc{color:var(--text-sec);font-size:.85rem;line-height:1.4}.tool-container{background:var(--bg-panel);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);box-shadow:var(--glass-glow);border-radius:20px;flex-direction:column;flex:1;padding:32px;animation:.3s ease-out fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tool-header-row{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:20px;display:flex}.tool-title-wrap{align-items:center;gap:16px;display:flex}.tool-icon-circle{background:var(--color-primary-glow);width:44px;height:44px;color:var(--color-primary);border-radius:10px;justify-content:center;align-items:center;display:flex}.tool-title-name{color:#fff;font-size:1.5rem;font-weight:700}.tool-back-btn{border:1px solid var(--glass-border);color:var(--text-sec);font-family:var(--font-sans);cursor:pointer;transition:var(--transition-fast);background:#ffffff0d;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;font-size:.85rem;display:flex}.tool-back-btn:hover{color:#fff;border-color:var(--glass-border-hover);background:#ffffff1a}.input-label{text-transform:uppercase;color:var(--text-sec);letter-spacing:.05em;margin-bottom:8px;font-size:.8rem;font-weight:600;display:block}.custom-input,.custom-select,.custom-textarea{border:1px solid var(--glass-border);color:#fff;width:100%;font-family:var(--font-sans);transition:var(--transition-fast);background:#0d0e17cc;border-radius:8px;outline:none;padding:12px;font-size:.9rem}.custom-input:focus,.custom-select:focus,.custom-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 10px #6366f133}.custom-textarea{resize:vertical;min-height:120px}.btn-primary{background:linear-gradient(135deg, var(--color-primary), var(--color-purple));color:#fff;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:var(--transition-fast);border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.9rem;display:inline-flex;box-shadow:0 4px 15px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #6366f173}.btn-primary:active{transform:translateY(1px)}.btn-secondary{border:1px solid var(--glass-border);color:var(--text-main);font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:var(--transition-fast);background:#ffffff0d;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.9rem;display:inline-flex}.btn-secondary:hover{border-color:var(--glass-border-hover);background:#ffffff14}.pdf-tab-bar{border:1px solid var(--glass-border);background:#0003;border-radius:12px;flex-wrap:wrap;gap:6px;padding:6px;display:flex}.pdf-tab-btn{min-width:120px;color:var(--text-sec);font-family:var(--font-sans);cursor:pointer;transition:var(--transition-fast);white-space:nowrap;text-align:center;background:0 0;border:1px solid #0000;border-radius:8px;flex:1;padding:10px 14px;font-size:.82rem;font-weight:500}.pdf-tab-btn:hover{color:var(--text-main);background:#ffffff0a}.pdf-tab-btn.active{background:var(--color-primary-glow);color:#fff;border-color:#6366f14d;font-weight:600}.pdf-tab-content{flex-direction:column;gap:0;display:flex}.pdf-drop-zone{border:2px dashed var(--glass-border);cursor:pointer;transition:var(--transition-fast);text-align:center;background:#ffffff03;border-radius:14px;padding:32px 24px}.pdf-drop-zone:hover,.pdf-drop-zone.dragging{border-color:var(--color-primary);background:var(--color-primary-glow)}.pdf-drop-inner{pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex}.pdf-drop-icon{font-size:2.5rem;line-height:1}.pdf-drop-title{color:var(--text-main);font-size:.95rem;font-weight:600}.pdf-drop-sub{color:var(--text-sec);font-size:.8rem}.pdf-file-list{flex-direction:column;gap:8px;max-height:300px;margin-top:14px;display:flex;overflow-y:auto}.pdf-file-row{border:1px solid var(--glass-border);background:#ffffff05;border-radius:10px;align-items:center;gap:12px;padding:10px 14px;display:flex}.pdf-thumb{object-fit:cover;border:1px solid var(--glass-border);border-radius:6px;flex-shrink:0;width:44px;height:44px}.pdf-file-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.pdf-file-name{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:500;overflow:hidden}.pdf-file-size{color:var(--text-mute);font-size:.75rem}.pdf-file-actions{flex-shrink:0;gap:6px;display:flex}.pdf-icon-btn{border:1px solid var(--glass-border);width:30px;height:30px;color:var(--text-sec);cursor:pointer;transition:var(--transition-fast);background:#ffffff08;border-radius:6px;justify-content:center;align-items:center;font-size:.8rem;display:flex}.pdf-icon-btn:hover{color:var(--text-main);background:#ffffff14}.pdf-icon-btn.danger:hover{color:var(--color-rose);background:#f43f5e1f;border-color:#f43f5e4d}.pdf-progress-track{background:#ffffff0f;border-radius:9999px;width:100%;height:6px;overflow:hidden}.pdf-progress-bar{background:linear-gradient(90deg, var(--color-primary), var(--color-purple));border-radius:9999px;height:100%;transition:width .3s}.pdf-pages-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:14px;margin-top:4px;display:grid}.pdf-page-card{border:1px solid var(--glass-border);cursor:pointer;transition:var(--transition-fast);background:#ffffff05;border-radius:10px;overflow:hidden}.pdf-page-card:hover{border-color:var(--color-primary);transform:translateY(-2px);box-shadow:0 6px 18px #0000004d}.pdf-page-preview{border-bottom:1px solid var(--glass-border);width:100%;display:block}.pdf-page-label{color:var(--text-sec);justify-content:space-between;padding:8px 10px;font-size:.75rem;display:flex}.pdf-page-label span{color:var(--color-primary);font-weight:600}@media (width<=768px){.pdf-tab-btn{min-width:80px;padding:8px 10px;font-size:.75rem}.pdf-pages-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}}.calc-container{max-width:380px;margin:0 auto}.calc-display{border:1px solid var(--glass-border);text-align:right;background:#07080de6;border-radius:12px;flex-direction:column;justify-content:flex-end;min-height:80px;margin-bottom:16px;padding:20px;display:flex;overflow:hidden}.calc-formula{font-family:var(--font-mono);color:var(--text-mute);white-space:nowrap;margin-bottom:4px;font-size:.85rem;overflow-x:auto}.calc-output{font-family:var(--font-mono);color:#fff;white-space:nowrap;font-size:1.75rem;font-weight:600;overflow-x:auto}.calc-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.calc-btn{border:1px solid var(--glass-border);font-family:var(--font-sans);color:var(--text-main);cursor:pointer;transition:var(--transition-fast);background:#ffffff08;border-radius:8px;padding:16px;font-size:1.1rem;font-weight:500}.calc-btn:hover{border-color:var(--glass-border-hover);background:#ffffff14}.calc-btn.operator{color:var(--color-primary);background:#6366f11a;font-weight:600}.calc-btn.operator:hover{background:#6366f133}.calc-btn.fn{color:var(--color-purple);background:#a855f714;font-size:.9rem}.calc-btn.fn:hover{background:#a855f726}.calc-btn.equals{background:linear-gradient(135deg, var(--color-primary), var(--color-purple));color:#fff;grid-column:span 2;font-weight:600}.calc-btn.equals:hover{box-shadow:0 0 15px #6366f14d}.calc-btn.clear{color:var(--color-rose);background:#f43f5e14}.calc-btn.clear:hover{background:#f43f5e26}.kanban-board{flex:1;gap:20px;padding-bottom:16px;display:flex;overflow-x:auto}.kanban-column{border:1px solid var(--glass-border);background:#0a0b1380;border-radius:12px;flex-direction:column;flex:1;min-width:280px;height:100%;max-height:550px;padding:16px;display:flex}.kanban-col-header{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:8px;display:flex}.kanban-col-title{align-items:center;gap:8px;font-size:.95rem;font-weight:600;display:flex}.kanban-col-count{border:1px solid var(--glass-border);color:var(--text-sec);background:#ffffff0d;border-radius:9999px;padding:2px 6px;font-size:.75rem}.kanban-cards{flex-direction:column;flex:1;gap:12px;padding:2px;display:flex;overflow-y:auto}.kanban-card{background:var(--bg-card);border:1px solid var(--glass-border);cursor:grab;transition:var(--transition-fast);border-radius:8px;padding:14px}.kanban-card:hover{border-color:#ffffff1f;box-shadow:0 4px 12px #0003}.kanban-card-title{margin-bottom:8px;font-size:.9rem;font-weight:500;line-height:1.4}.kanban-card-meta{justify-content:space-between;align-items:center;font-size:.75rem;display:flex}.kanban-priority{border-radius:4px;padding:2px 6px;font-weight:600}.priority-high{color:var(--color-rose);background:#f43f5e1a}.priority-medium{color:var(--color-amber);background:#f59e0b1a}.priority-low{color:var(--color-emerald);background:#10b9811a}.kanban-card-delete{color:var(--text-mute);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;align-items:center;display:flex}.kanban-card-delete:hover{color:var(--color-rose)}.kanban-add-form{flex-direction:column;gap:8px;margin-top:12px;display:flex}.markdown-container{flex:1;gap:20px;height:500px;display:flex}.markdown-pane{flex-direction:column;flex:1;display:flex}.markdown-textarea{border:1px solid var(--glass-border);color:var(--text-main);font-family:var(--font-mono);resize:none;background:#0a0b1380;border-radius:12px;outline:none;flex:1;padding:16px;font-size:.9rem;line-height:1.5}.markdown-textarea:focus{border-color:var(--color-primary)}.markdown-preview{border:1px solid var(--glass-border);color:var(--text-main);background:#0a0b1380;border-radius:12px;flex:1;padding:20px;line-height:1.6;overflow-y:auto}.markdown-preview h1,.markdown-preview h2,.markdown-preview h3{margin-top:16px;margin-bottom:8px;font-weight:600}.markdown-preview h1{border-bottom:1px solid var(--glass-border);padding-bottom:6px;font-size:1.5rem}.markdown-preview h2{font-size:1.25rem}.markdown-preview h3{font-size:1.1rem}.markdown-preview p{margin-bottom:12px}.markdown-preview ul,.markdown-preview ol{margin-bottom:12px;padding-left:20px}.markdown-preview li{margin-bottom:4px}.markdown-preview code{font-family:var(--font-mono);background:#ffffff0d;border-radius:4px;padding:2px 6px;font-size:.85em}.markdown-preview pre{border:1px solid var(--glass-border);background:#ffffff08;border-radius:8px;margin-bottom:12px;padding:12px;overflow-x:auto}.markdown-preview pre code{background:0 0;padding:0}.color-palette-grid{grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:24px;display:grid}.color-column{border:1px solid var(--glass-border);height:220px;transition:var(--transition-smooth);border-radius:12px;flex-direction:column;display:flex;overflow:hidden}.color-column:hover{transform:scale(1.02)}.color-swatch{cursor:pointer;flex:1;justify-content:center;align-items:center;display:flex}.color-info{background:var(--bg-card);text-align:center;padding:12px}.color-hex{font-family:var(--font-mono);margin-bottom:4px;font-size:.9rem;font-weight:600;display:block}.color-lock-btn{color:var(--text-sec);cursor:pointer;background:0 0;border:none}.color-lock-btn:hover{color:#fff}.strength-bar-container{background:#ffffff0d;border-radius:3px;height:6px;margin-top:10px;overflow:hidden}.strength-bar{width:0;height:100%;transition:var(--transition-smooth)}.strength-weak{background:var(--color-rose);width:33%}.strength-medium{background:var(--color-amber);width:66%}.strength-strong{background:var(--color-emerald);width:100%}.mobile-menu-btn{color:#fff;cursor:pointer;background:0 0;border:none;padding:8px;display:none}@media (width<=1024px){.sidebar{position:absolute;top:0;bottom:0;left:-280px}.sidebar.open{left:0}.mobile-menu-btn{display:block}.main-header{padding:0 16px}.header-actions{width:250px}}@media (width<=768px){.dashboard-container{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--glass-border);width:100%;height:auto}.tool-viewport{padding:16px}.color-palette-grid{grid-template-columns:repeat(2,1fr)}.markdown-container{flex-direction:column;height:700px}.calc-container{max-width:100%}}.hamburger-btn{border:1px solid var(--glass-border);width:40px;height:40px;color:var(--text-main);cursor:pointer;transition:var(--transition-fast);background:#ffffff0d;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:none}.hamburger-btn:hover{border-color:var(--glass-border-hover);background:#ffffff1a}.hamburger-btn svg{width:18px;height:18px;display:block}.sidebar-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:19;opacity:0;background:#0009;transition:opacity .3s;display:none;position:fixed;inset:0}.sidebar-overlay.open{opacity:1}@media (width<=768px){.hamburger-btn{display:flex}.sidebar-overlay{display:block}.sidebar{z-index:20;width:272px;height:100dvh;transition:transform .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{width:100%}.main-header{gap:12px;height:60px;padding:0 16px}.header-title{font-size:1rem}.header-subtitle{display:none}.header-actions{flex:1;width:auto}.search-input{font-size:.8rem}.tool-viewport{padding:16px}.dashboard-grid{grid-template-columns:1fr;gap:14px;margin-top:14px}.tool-container{border-radius:14px;padding:20px 16px}.tool-header-row{flex-flow:wrap;gap:12px;margin-bottom:18px;padding-bottom:16px}.tool-title-name{font-size:1.15rem}.kanban-board{flex-direction:column}.kanban-column{min-width:unset;max-height:320px}}@media (width<=480px){.main-header{padding:0 12px}.tool-viewport{padding:12px}.dashboard-grid{gap:10px}.tool-card{padding:18px}}