:root{--primary:#7c3aed;--primary-light:#a78bfa;--primary-hover:#6d28d9;--primary-bg:#7c3aed0f;--danger:#f43f5e;--danger-hover:#e11d48;--success:#10b981;--bg:#f8fafc;--card-bg:#fff;--text:#0f172a;--text-light:#94a3b8;--text-mid:#64748b;--border:#e2e8f0;--border-light:#f1f5f9;--shadow:0 1px 3px #0000000a, 0 1px 2px #00000008;--shadow-md:0 4px 16px #0000000f;--shadow-lg:0 12px 40px #00000014;--radius:20px;--radius-sm:12px;--radius-xs:8px;--transition:cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{width:100%;height:100%;margin:0;padding:0}#app{width:100%;min-height:100vh}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.6}.loading-screen{background:var(--bg);justify-content:center;align-items:center;height:100vh;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:36px;height:36px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.auth-container{background:linear-gradient(160deg,#e0e7ff 0%,#ede9fe 30%,#fae8ff 60%,#fce7f3 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex;position:relative;overflow:hidden}.auth-container:before{content:"";pointer-events:none;background:radial-gradient(circle,#7c3aed14 0%,#0000 70%);border-radius:50%;width:700px;height:700px;position:absolute;top:-40%;right:-20%}.auth-container:after{content:"";pointer-events:none;background:radial-gradient(circle,#ec48990f 0%,#0000 70%);border-radius:50%;width:600px;height:600px;position:absolute;bottom:-30%;left:-15%}.auth-card{-webkit-backdrop-filter:blur(20px);z-index:1;background:#ffffffd9;border-radius:28px;width:100%;max-width:400px;padding:44px 40px;position:relative;box-shadow:0 20px 60px #00000014,0 0 0 1px #fff9}.auth-header{text-align:center;margin-bottom:32px}.auth-header h1{letter-spacing:-.5px;margin-bottom:6px;font-size:26px;font-weight:700}.auth-header p{color:var(--text-mid);font-size:14px}.auth-form{flex-direction:column;gap:18px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--text-mid);font-size:13px;font-weight:500}.form-group input{border:1.5px solid var(--border);border-radius:var(--radius-sm);transition:all .25s var(--transition);background:#ffffffb3;outline:none;padding:12px 16px;font-family:inherit;font-size:14px}.form-group input:focus{border-color:var(--primary-light);background:#fff;box-shadow:0 0 0 4px #7c3aed14}.btn-primary{background:var(--primary);color:#fff;border-radius:var(--radius-sm);cursor:pointer;transition:all .25s var(--transition);border:none;padding:12px 20px;font-family:inherit;font-size:14px;font-weight:600}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #7c3aed40}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.error-message{color:var(--danger);border-radius:var(--radius-xs);background:#fff1f2;border:1px solid #fecdd3;padding:10px 14px;font-size:13px}.success-message{color:var(--success);border-radius:var(--radius-xs);background:#ecfdf5;border:1px solid #a7f3d0;padding:10px 14px;font-size:13px}.auth-link{text-align:center;color:var(--text-light);margin-top:24px;font-size:13px}.auth-link a{color:var(--primary);font-weight:600;text-decoration:none;transition:color .2s}.auth-link a:hover{color:var(--primary-hover)}.app-header{-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);z-index:100;background:#fffc;justify-content:space-between;align-items:center;padding:14px 28px;display:flex;position:sticky;top:0}.header-left h1{letter-spacing:-.3px;background:linear-gradient(135deg, var(--primary), #ec4899);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:20px;font-weight:700}.header-right{align-items:center;gap:14px;display:flex}.user-email{color:var(--text-light);font-size:13px}.btn-logout{border:1.5px solid var(--border);cursor:pointer;color:var(--text-mid);transition:all .25s var(--transition);background:0 0;border-radius:50px;padding:7px 16px;font-family:inherit;font-size:13px}.btn-logout:hover{border-color:var(--danger);color:var(--danger);background:#f43f5e0a}.dashboard{flex-direction:column;min-height:100vh;display:flex}.dashboard-main{flex:1;height:calc(100vh - 56px);min-height:0;display:flex}.sidebar{-webkit-backdrop-filter:blur(12px);border-right:1px solid var(--border-light);background:#fff9;width:280px;min-width:280px;height:100%;padding:24px 20px;overflow-y:auto}.content{background:var(--bg);flex:1;height:100%;padding:28px;overflow-y:auto}.category-manager h2{color:var(--text-mid);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px;font-size:14px;font-weight:600}.category-form{flex-direction:column;gap:10px;margin-bottom:20px;display:flex}.category-form input{border:1.5px solid var(--border);border-radius:var(--radius-xs);transition:all .25s var(--transition);background:#fffc;outline:none;padding:10px 14px;font-family:inherit;font-size:13px}.category-form input:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px #7c3aed0f}.color-picker{flex-wrap:wrap;gap:6px;display:flex}.color-swatch{cursor:pointer;width:26px;height:26px;transition:all .2s var(--transition);border:2.5px solid #0000;border-radius:50%}.color-swatch:hover{transform:scale(1.2)}.color-swatch.active{border-color:var(--text);transform:scale(1.2);box-shadow:0 2px 8px #0000001f}.btn-add{background:var(--primary);color:#fff;cursor:pointer;transition:all .25s var(--transition);border:none;border-radius:50px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600}.btn-add:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #7c3aed33}.category-list{list-style:none}.category-item{border-radius:var(--radius-xs);transition:all .2s var(--transition);align-items:center;gap:10px;padding:10px;display:flex}.category-item:hover{background:var(--primary-bg)}.category-color{border-radius:50%;flex-shrink:0;width:12px;height:12px;box-shadow:0 1px 3px #0000001a}.category-name{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;font-weight:500;overflow:hidden}.btn-delete-cat{color:var(--text-light);cursor:pointer;opacity:0;transition:all .2s var(--transition);background:0 0;border:none;padding:0 4px;font-size:16px}.category-item:hover .btn-delete-cat{opacity:1}.btn-delete-cat:hover{color:var(--danger)}.empty-text{color:var(--text-light);text-align:center;padding:16px 0;font-size:13px}.board-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;display:flex}.board-header h2{letter-spacing:-.3px;font-size:22px;font-weight:700}.board-actions{align-items:center;gap:10px;display:flex}.filter-select{border:1.5px solid var(--border);color:var(--text-mid);transition:all .25s var(--transition);cursor:pointer;background:#fff;border-radius:50px;outline:none;padding:8px 14px;font-family:inherit;font-size:13px}.filter-select:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px #7c3aed0f}.btn-new{background:var(--primary);color:#fff;cursor:pointer;transition:all .25s var(--transition);white-space:nowrap;border:none;border-radius:50px;padding:9px 20px;font-family:inherit;font-size:13px;font-weight:600}.btn-new:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #7c3aed40}.postit-form{border-radius:var(--radius);box-shadow:var(--shadow-md);border:1px solid var(--border-light);background:#fff;flex-direction:column;gap:14px;margin-bottom:28px;padding:24px;display:flex}.postit-form input,.postit-form textarea,.postit-form select{border:1.5px solid var(--border);border-radius:var(--radius-xs);resize:vertical;transition:all .25s var(--transition);outline:none;padding:12px 16px;font-family:inherit;font-size:14px}.postit-form input:focus,.postit-form textarea:focus,.postit-form select:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px #7c3aed0f}.postit-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));align-items:start;gap:20px;display:grid}.postit-card{border-radius:var(--radius);box-shadow:var(--shadow-md);transition:all .3s var(--transition);background:#fff;border:1px solid #0000000a;flex-direction:column;display:flex;overflow:hidden}.postit-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.postit-card.completed{opacity:.65}.card-header{color:#fff;border-radius:var(--radius) var(--radius) 0 0;justify-content:space-between;align-items:center;padding:12px 16px;font-size:12px;font-weight:600;display:flex;position:relative}.card-category{text-shadow:0 1px 3px #00000026;letter-spacing:.3px}.card-actions{gap:5px;display:flex}.btn-check,.btn-trash{color:#fff;cursor:pointer;width:30px;height:30px;transition:all .2s var(--transition);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff3;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:13px;display:flex}.btn-check:hover{background:#fff6}.btn-trash:hover{background:#f43f5e99}.card-body{flex:1;padding:18px 16px 14px}.card-body h3{color:var(--text);letter-spacing:-.2px;margin-bottom:6px;font-size:15px;font-weight:600}.card-body p{color:var(--text-mid);white-space:pre-wrap;word-break:break-word;font-size:13px;line-height:1.5}.card-date{color:var(--text-light);font-size:11px}.card-image{object-fit:contain;cursor:pointer;width:100%;transition:opacity .25s var(--transition);display:block}.card-image:hover{opacity:.88}.note-image{cursor:pointer;transition:opacity .25s var(--transition)}.note-image:hover{opacity:.88}.image-lightbox{z-index:9999;-webkit-backdrop-filter:blur(8px);cursor:pointer;background:#000c;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.image-lightbox img{object-fit:contain;cursor:default;max-width:90vw;max-height:90vh;animation:zoomIn .25s var(--transition);border-radius:16px;box-shadow:0 16px 48px #0000004d}@keyframes zoomIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.lightbox-close{color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;opacity:.9;transition:all .2s var(--transition);background:#ffffff1a;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:32px;line-height:1;display:flex;position:absolute;top:24px;right:32px}.lightbox-close:hover{opacity:1;background:#fff3}.card-footer{border-top:1px solid var(--border-light);border-radius:0 0 var(--radius) var(--radius);background:#fff}.card-footer-bar{justify-content:space-between;align-items:center;padding:8px 16px;display:flex}.btn-notes{color:var(--primary);cursor:pointer;transition:all .2s var(--transition);background:0 0;border:none;border-radius:50px;padding:5px 10px;font-family:inherit;font-size:12px;font-weight:600}.btn-notes:hover{background:var(--primary-bg)}.notes-section{animation:slideDown .2s var(--transition);padding:0 16px 12px}@keyframes slideDown{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.notes-list{margin-bottom:10px;list-style:none}.note-item{border-bottom:1px solid var(--border-light);color:var(--text);flex-direction:column;gap:4px;padding:8px 0;font-size:13px;line-height:1.5;display:flex}.note-item:last-child{border-bottom:none}.note-text{white-space:pre-wrap;word-break:break-word}.note-date{color:var(--text-light);white-space:nowrap;font-size:10px}.btn-delete-note{color:var(--text-light);cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:0 2px;font-size:14px;line-height:1;transition:color .2s}.btn-delete-note:hover{color:var(--danger)}.note-form{align-items:center;gap:6px;display:flex}.note-form input{border:1.5px solid var(--border);transition:all .25s var(--transition);border-radius:50px;outline:none;flex:1;padding:8px 12px;font-family:inherit;font-size:12px}.note-form input:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px #7c3aed0f}.btn-send-note{background:var(--primary);color:#fff;cursor:pointer;width:32px;min-width:32px;height:32px;transition:all .25s var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;font-family:inherit;font-size:14px;display:flex}.btn-send-note:hover{background:var(--primary-hover);transform:scale(1.1)}.btn-note-image{cursor:pointer;width:32px;height:32px;transition:background .2s var(--transition);border-radius:50%;justify-content:center;align-items:center;font-size:15px;display:flex}.btn-note-image:hover{background:var(--border-light)}.note-content-wrap{flex-direction:column;flex:1;gap:4px;display:flex}.note-image{object-fit:contain;border-radius:var(--radius-xs);width:100%;margin-top:4px}.note-meta{flex-shrink:0;align-items:center;gap:6px;display:flex}.note-image-preview{margin-top:8px;position:relative}.note-image-preview img{object-fit:contain;border-radius:var(--radius-xs);width:100%}.btn-remove-note-image{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;cursor:pointer;background:#00000080;border:none;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;line-height:1;transition:background .2s;display:flex;position:absolute;top:4px;right:4px}.btn-remove-note-image:hover{background:var(--danger)}.image-upload-area{position:relative}.file-input-label{border:2px dashed var(--border);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-light);transition:all .25s var(--transition);justify-content:center;align-items:center;gap:8px;padding:14px;font-size:13px;display:flex}.file-input-label:hover{border-color:var(--primary-light);background:var(--primary-bg);color:var(--primary)}.file-input-label input[type=file]{display:none}.image-preview-container{margin-top:10px;position:relative}.image-preview{object-fit:cover;border-radius:var(--radius-sm);width:100%;max-height:180px}.btn-remove-image{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;cursor:pointer;background:#00000080;border:none;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;transition:background .2s;display:flex;position:absolute;top:8px;right:8px}.btn-remove-image:hover{background:var(--danger)}.notes-count{color:var(--text-light);font-size:11px}.completed-board{margin-top:36px}.completed-toggle{border:1px solid var(--border-light);border-radius:var(--radius);cursor:pointer;width:100%;color:var(--text);transition:all .25s var(--transition);box-shadow:var(--shadow);background:#fff;justify-content:space-between;align-items:center;padding:14px 20px;font-family:inherit;font-size:15px;font-weight:600;display:flex}.completed-toggle:hover{background:var(--border-light);box-shadow:var(--shadow-md)}.toggle-icon{color:var(--text-light);transition:transform .25s var(--transition);font-size:12px}.completed-grid{margin-top:20px}@media (width<=768px){.dashboard-main{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border-light);width:100%;min-width:100%;height:auto}.content{padding:20px 16px}.postit-grid{grid-template-columns:1fr}.board-header{flex-direction:column;align-items:stretch}.board-actions{flex-direction:column}.app-header{padding:12px 16px}.header-right{gap:8px}.user-email{display:none}.auth-card{padding:32px 24px}}