:root{--board-bg-start: #1e3a5f;--board-bg-end: #0f2236;--col-todo: #64748b;--col-progress: #3b82f6;--col-blocked: #ef4444;--col-done: #22c55e;--pri-high: #ef4444;--pri-medium: #f59e0b;--pri-low: #22c55e;--radius-card: 10px;--radius-col: 14px;--shadow-card: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-card-hover: 0 10px 25px rgba(0,0,0,.18), 0 4px 10px rgba(0,0,0,.1);--shadow-col: 0 4px 20px rgba(0,0,0,.2);--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border: #e2e8f0}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;font-size:14px;color:var(--text-primary);background:linear-gradient(160deg,var(--board-bg-start) 0%,var(--board-bg-end) 100%);min-height:100vh}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh}.spinner{width:36px;height:36px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:none;border-radius:8px;font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;white-space:nowrap;transition:filter .15s,transform .1s,box-shadow .15s;line-height:1}.btn:hover{filter:brightness(1.06)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;filter:none;transform:none}.btn-primary{background:#2563eb;color:#fff;box-shadow:0 1px 4px #2563eb66}.btn-primary:hover{box-shadow:0 4px 12px #2563eb66}.btn-block{width:100%;padding:12px;font-size:14px}.btn-secondary{background:#f1f5f9;color:var(--text-primary);border:1px solid var(--border)}.btn-danger{background:#ef4444;color:#fff;box-shadow:0 1px 4px #ef44444d}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:#0000000f;filter:none}.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:600;font-size:13px;color:var(--text-primary);margin-bottom:6px}input,select,textarea{font-family:inherit;font-size:14px;color:var(--text-primary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:8px;background:#fff;transition:border-color .15s,box-shadow .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1f}.form-group textarea{resize:vertical;min-height:80px}.error-msg{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:8px;padding:10px 14px;margin-bottom:16px;font-size:13px}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-box{background:#fff;border-radius:16px;padding:40px;width:380px;box-shadow:0 20px 60px #00000059,0 4px 16px #0003}.login-box h1{font-size:28px;font-weight:800;color:var(--text-primary);text-align:center;margin-bottom:6px;letter-spacing:-.5px}.login-box .subtitle{text-align:center;color:var(--text-secondary);margin-bottom:28px;font-size:14px}.login-toggle{text-align:center;margin-top:18px;color:var(--text-secondary);font-size:13px}.login-toggle button{background:none;border:none;color:#2563eb;cursor:pointer;font-weight:600;font-size:13px;padding:0}.login-toggle button:hover{text-decoration:underline}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{display:flex;align-items:center;gap:12px;padding:0 20px;height:54px;background:#00000059;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08);flex-shrink:0;z-index:100}.header-logo{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.5px;white-space:nowrap;display:flex;align-items:center;gap:6px}.header-logo-icon{width:28px;height:28px;background:#2563eb;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:14px}.header-nav{display:flex;gap:2px;align-items:center;margin-left:6px}.header-nav a,.header-nav button{background:none;border:none;color:#ffffffb3;padding:6px 12px;border-radius:7px;cursor:pointer;font-size:13px;font-weight:500;text-decoration:none;transition:background .15s,color .15s}.header-nav a:hover,.header-nav button:hover{background:#ffffff1f;color:#fff}.header-nav a.active{background:#ffffff2e;color:#fff;font-weight:600}.header-spacer{flex:1}.header-user{display:flex;align-items:center;gap:10px}.header-username{color:#fffc;font-size:13px;font-weight:500}.avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;color:#fff;flex-shrink:0;border:2px solid rgba(255,255,255,.3)}.filter-bar{display:flex;align-items:center;gap:10px;padding:10px 20px;background:#0000002e;border-bottom:1px solid rgba(255,255,255,.06);flex-shrink:0;flex-wrap:wrap}.filter-label{font-size:11px;font-weight:700;color:#ffffff8c;text-transform:uppercase;letter-spacing:.8px;white-space:nowrap}.filter-bar select{padding:6px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.15);background:#ffffff1f;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);font-size:13px;font-weight:500;color:#fff;cursor:pointer;min-width:130px;transition:background .15s,border-color .15s}.filter-bar select:hover{background:#ffffff2e;border-color:#ffffff40}.filter-bar select option{background:#1e3a5f;color:#fff}.filter-active-count{background:#ef4444;color:#fff;border-radius:20px;padding:2px 9px;font-size:11px;font-weight:700}.filter-clear-btn{color:#ffffffb3!important}.filter-clear-btn:hover{color:#fff!important}.board-page{display:flex;flex-direction:column;flex:1;overflow:hidden}.board{display:flex;gap:16px;padding:20px;flex:1;overflow-x:auto;overflow-y:hidden;align-items:flex-start}.column{display:flex;flex-direction:column;flex:1 1 0;min-width:220px;max-height:100%;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-col);box-shadow:var(--shadow-col);overflow:hidden;border:1px solid rgba(255,255,255,.5)}.column-header{display:flex;align-items:center;gap:8px;padding:14px 14px 12px;border-bottom:1px solid var(--border)}.column-header:before{content:"";display:block;width:4px;height:20px;border-radius:2px;flex-shrink:0}.column[data-col=todo] .column-header:before{background:var(--col-todo)}.column[data-col=in_progress] .column-header:before{background:var(--col-progress)}.column[data-col=blocked] .column-header:before{background:var(--col-blocked)}.column[data-col=done] .column-header:before{background:var(--col-done)}.column-header h2{font-size:13px;font-weight:700;color:var(--text-primary);flex:1;letter-spacing:.1px}.column-count{background:#f1f5f9;color:var(--text-secondary);border-radius:20px;padding:2px 8px;font-size:11px;font-weight:700;border:1px solid var(--border)}.column-cards{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:8px;min-height:48px}.column-cards-over{background:#2563eb0d}.column-add-btn{width:100%;padding:10px 14px;background:none;border:none;color:var(--text-muted);font-size:13px;font-weight:500;cursor:pointer;text-align:left;border-top:1px solid var(--border);transition:background .15s,color .15s;font-family:inherit}.column-add-btn:hover{background:#f8fafc;color:var(--text-primary)}.add-card-form{padding:10px;border-top:1px solid var(--border)}.add-card-form textarea{width:100%;padding:9px 11px;border:1.5px solid #2563eb;border-radius:8px;font-size:13px;font-family:inherit;resize:none;min-height:76px;box-shadow:0 0 0 3px #2563eb1a}.add-card-form textarea:focus{outline:none}.add-card-actions{display:flex;gap:6px;margin-top:7px;align-items:center}.kanban-card{background:#fff;border-radius:var(--radius-card);box-shadow:var(--shadow-card);cursor:pointer;transition:box-shadow .2s,transform .15s;border:1px solid rgba(0,0,0,.06);overflow:hidden}.kanban-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.kanban-card.dragging{opacity:.45;transform:none}.kanban-card.overlay{box-shadow:0 16px 40px #00000040;transform:rotate(2.5deg) scale(1.03);cursor:grabbing}.card-priority-stripe{height:5px;width:100%}.card-body{padding:10px 12px}.card-labels{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:8px}.label-chip{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:700;color:#fff;white-space:nowrap;letter-spacing:.2px}.priority-high{background:var(--pri-high)}.priority-medium{background:var(--pri-medium)}.priority-low{background:var(--pri-low)}.card-title{font-size:14px;font-weight:600;color:var(--text-primary);line-height:1.45;margin-bottom:6px}.card-description{font-size:12px;color:var(--text-secondary);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:6px}.card-meta{display:flex;gap:10px;align-items:center;font-size:11px;color:var(--text-muted)}.card-assignee{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;flex-shrink:0;border:2px solid rgba(255,255,255,.8);box-shadow:0 1px 3px #00000026}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f2236a6;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;z-index:1000;overflow-y:auto}.modal{background:#f8fafc;border-radius:16px;width:100%;max-width:740px;box-shadow:0 25px 80px #00000059,0 8px 24px #00000026;position:relative;display:flex;flex-direction:column;max-height:90vh}.modal-header-strip{height:6px;width:100%;flex-shrink:0;background:linear-gradient(90deg,#2563eb,#7c3aed);border-radius:16px 16px 0 0}.modal-body{padding:24px 26px 26px;overflow-y:auto;flex:1}.modal-close{position:absolute;top:14px;right:14px;background:#0000000f;border:none;width:30px;height:30px;border-radius:50%;font-size:16px;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:background .15s;line-height:1}.modal-close:hover{background:#0000001f;color:var(--text-primary)}.modal-title-input{font-size:20px;font-weight:700;color:var(--text-primary);border:2px solid transparent;background:transparent;width:calc(100% - 44px);padding:4px 6px;margin-left:-6px;margin-bottom:4px;font-family:inherit;border-radius:6px;transition:border-color .15s,background .15s}.modal-title-input:focus{outline:none;border-color:#2563eb;background:#fff}.modal-title-input:hover:not(:focus){background:#00000008}.modal-dates{font-size:11px;color:var(--text-muted);margin-bottom:22px;padding-left:2px}.modal-grid{display:grid;grid-template-columns:1fr 220px;gap:22px}@media (max-width: 600px){.modal-grid{grid-template-columns:1fr}}.modal-main{display:flex;flex-direction:column;gap:20px}.modal-sidebar{display:flex;flex-direction:column;gap:10px}.modal-section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:7px}.modal-field{background:#fff;border-radius:10px;padding:12px 14px;border:1px solid var(--border);box-shadow:0 1px 3px #0000000a}.modal-field select{width:100%;border:1.5px solid var(--border);border-radius:6px;padding:7px 8px;font-size:13px;color:var(--text-primary);background:#f8fafc;cursor:pointer;transition:border-color .15s}.modal-field select:focus{outline:none;border-color:#2563eb;background:#fff}.modal-textarea{width:100%;border:1.5px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit;color:var(--text-primary);background:#fff;resize:vertical;min-height:120px;transition:border-color .15s,box-shadow .15s;box-shadow:0 1px 3px #0000000a}.modal-textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}.modal-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}.comments-list{max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;margin-bottom:10px;border-radius:8px;padding-right:2px}.comments-empty{font-size:13px;color:var(--text-muted);text-align:center;padding:14px 0}.comment{background:#fff;border-radius:10px;padding:12px 14px;margin-bottom:8px;border:1px solid var(--border);box-shadow:0 1px 3px #0000000a}.comment-header{display:flex;align-items:center;gap:8px;margin-bottom:7px}.comment-author{font-weight:700;font-size:13px;color:var(--text-primary)}.comment-time{font-size:11px;color:var(--text-muted)}.comment-content{font-size:13px;color:var(--text-primary);white-space:pre-wrap;line-height:1.55}.comment-form{display:grid;grid-template-columns:32px 1fr auto;gap:10px;align-items:flex-start;margin-top:12px}.comment-form textarea{border:1.5px solid var(--border);border-radius:8px;padding:9px 11px;font-size:13px;font-family:inherit;resize:none;min-height:64px;color:var(--text-primary);background:#fff;transition:border-color .15s,box-shadow .15s;width:100%}.comment-form textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}.comment-form .btn{align-self:flex-start}.archive-page{min-height:100vh;display:flex;flex-direction:column}.archive-content{padding:24px;flex:1}.archive-content h2{font-size:22px;font-weight:800;color:#fff;margin-bottom:20px;letter-spacing:-.3px}.archive-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.archive-card{background:#fffffff2;border-radius:12px;padding:16px;box-shadow:0 4px 16px #00000026;border:1px solid rgba(255,255,255,.5)}.archive-card-title{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.archive-card-meta{font-size:12px;color:var(--text-secondary);margin-bottom:12px}.archive-card-actions{display:flex;gap:8px}.project-list{margin-bottom:16px}.project-item{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--border)}.project-color-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0}.project-item-name{flex:1;font-size:13px;font-weight:600;color:var(--text-primary)}.project-edit-form{padding:12px;background:#f1f5f9;border-radius:10px;margin-bottom:10px;border:1.5px solid var(--border)}.project-edit-input{width:100%;padding:8px 10px;border:1.5px solid #2563eb;border-radius:7px;font-size:13px;font-family:inherit;color:var(--text-primary);background:#fff}.project-edit-input:focus{outline:none;box-shadow:0 0 0 3px #2563eb1f}.project-create-form{padding:14px;background:#f1f5f9;border-radius:10px;border:1.5px solid var(--border);margin-top:8px}.color-picker-row{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:8px}.color-swatch{width:100%;aspect-ratio:1;border-radius:50%;cursor:pointer;border:3px solid transparent;transition:border-color .15s,transform .1s;min-width:0}.color-swatch.selected{border-color:var(--text-primary);transform:scale(1.15)}.color-swatch:hover:not(.selected){transform:scale(1.1)}.mobile-col-tabs{display:none}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#0000002e;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#0000004d}@media (max-width: 1024px) and (min-width: 601px){.board{flex-wrap:wrap;overflow-y:auto;overflow-x:hidden;align-content:flex-start;gap:14px;max-height:100%}.column{flex:1 1 calc(50% - 7px);min-width:calc(50% - 7px);max-width:calc(50% - 7px);max-height:420px}}@media (max-width: 600px){.mobile-col-tabs{display:flex;background:#00000040;border-bottom:1px solid rgba(255,255,255,.08);flex-shrink:0;overflow-x:auto}.mobile-col-tab{flex:1;min-width:72px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 8px;background:none;border:none;border-bottom:3px solid transparent;color:#ffffff80;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;cursor:pointer;transition:color .15s,border-color .15s;font-family:inherit;white-space:nowrap}.mobile-col-tab.active{color:#fff;border-bottom-color:#2563eb}.mobile-col-tab[data-col=todo].active{border-bottom-color:var(--col-todo)}.mobile-col-tab[data-col=in_progress].active{border-bottom-color:var(--col-progress)}.mobile-col-tab[data-col=blocked].active{border-bottom-color:var(--col-blocked)}.mobile-col-tab[data-col=done].active{border-bottom-color:var(--col-done)}.mobile-col-badge{background:#ffffff26;color:#fff;border-radius:10px;padding:1px 7px;font-size:10px;font-weight:700}.mobile-col-tab.active .mobile-col-badge{background:#ffffff40}.board{padding:12px;gap:0;overflow:visible;flex-wrap:nowrap}.column--mobile-hidden{display:none}.column{flex:1 1 100%;min-width:100%;max-width:100%;border-radius:12px;max-height:none}.modal-backdrop{padding:0;align-items:flex-end}.modal{border-radius:16px 16px 0 0;max-height:88vh;max-width:100%}.modal-header-strip{border-radius:16px 16px 0 0}.modal-body{padding:18px 18px 28px}.modal-grid{grid-template-columns:1fr}.filter-bar{gap:6px;padding:8px 12px}.filter-bar select{min-width:0;flex:1;font-size:12px}.header{padding:0 12px;gap:6px}.header-logo-name,.header-username{display:none}.header-logo{gap:0}.header-nav a,.header-nav button{padding:5px 8px;font-size:12px}}