:root{--bg: #f9fafb;--card: #ffffff;--primary: #0088cc;--primary-hover: #0073a6;--primary-soft: #e6f4fb;--text: #101828;--text-secondary: #4a5565;--text-muted: #6a7282;--danger: #fb2c36;--border: #e5e7eb;--sidebar-w: 256px;--header-h: 64px;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .08)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}input{font-family:inherit}a{text-decoration:none;color:inherit}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:48px 40px;width:400px;text-align:center}.login-logo{width:56px;height:56px;border-radius:14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.login-title{font-size:24px;font-weight:700;margin:0 0 8px}.login-subtitle{font-size:14px;color:var(--text-secondary);margin:0 0 32px;line-height:1.5}.login-terms{font-size:12px;color:var(--text-muted);margin:16px 0 0;line-height:1.5}.app-layout{min-height:100vh;display:flex}.app-main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-width:0}.app-header{height:var(--header-h);background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;padding:0 24px;position:sticky;top:0;z-index:10}.header-menu-btn{border:none;background:none;padding:6px;border-radius:8px;color:var(--text-secondary)}.header-menu-btn:hover{background:var(--bg)}.header-brand{display:flex;align-items:center;gap:10px}.header-logo{width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.header-search{margin-left:auto;width:320px;position:relative}.header-search input{width:100%;padding:10px 14px 10px 38px;border:1px solid transparent;border-radius:10px;background:var(--bg);color:var(--text);font-size:14px;outline:none;transition:border-color .15s}.header-search input:focus{border-color:var(--primary);background:var(--card)}.header-search .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);display:flex}.app-sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 12px}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 12px 24px}.sidebar-logo{width:42px;height:42px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-name{font-size:18px;font-weight:700;line-height:1.2}.sidebar-tagline{font-size:12px;color:var(--text-muted)}.sidebar-nav{display:flex;flex-direction:column;gap:4px}.sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;border:none;background:none;color:var(--text-secondary);font-size:16px;font-weight:500;width:100%;text-align:left}.sidebar-item:hover{background:var(--bg)}.sidebar-item.active{background:var(--primary);color:#fff}.page-content{padding:24px;max-width:900px;width:100%}.page-title{font-size:20px;font-weight:700;margin:0 0 4px}.page-subtitle{font-size:12px;color:var(--text-secondary);margin:0 0 20px}.task-list{display:flex;flex-direction:column;gap:10px}.task-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;gap:14px;align-items:flex-start;cursor:pointer;transition:box-shadow .15s,border-color .15s}.task-card:hover{box-shadow:var(--shadow);border-color:#d1d5db}.task-card-icon{width:40px;height:40px;border-radius:10px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.task-card-body{flex:1;min-width:0}.task-card-title{font-size:14px;font-weight:500;margin:0 0 8px}.task-card-title.done{color:var(--text-muted);text-decoration:line-through}.task-card-meta{display:flex;gap:18px;flex-wrap:wrap}.task-meta{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary)}.task-meta .icon{display:flex;color:var(--text-muted)}.task-meta.overdue,.task-meta.overdue .icon{color:var(--danger)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#10182873;display:flex;justify-content:flex-end;z-index:100}.modal-panel{width:520px;max-width:100%;height:100%;background:var(--bg);overflow-y:auto;box-shadow:-8px 0 24px #1018281f;animation:slide-in .2s ease}@keyframes slide-in{0%{transform:translate(24px);opacity:0}to{transform:translate(0);opacity:1}}.modal-header{background:var(--card);border-bottom:1px solid var(--border);padding:20px 24px;position:sticky;top:0;z-index:1}.modal-title{font-size:16px;font-weight:600;margin:0 0 4px}.modal-close{position:absolute;top:16px;right:16px;border:none;background:var(--bg);border-radius:8px;padding:6px;color:var(--text-muted)}.modal-close:hover{color:var(--text)}.modal-edit{margin-top:10px;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--card);border-radius:8px;padding:6px 12px;font-size:13px;color:var(--primary)}.modal-edit:hover{background:var(--primary-soft)}.title-input{width:100%;border:none;border-bottom:1px solid transparent;background:none;font-size:16px;font-weight:600;color:var(--text);padding:4px 0;outline:none}.title-input:hover{border-bottom-color:var(--border)}.title-input:focus{border-bottom-color:var(--primary)}.desc-input{width:100%;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text-secondary);font-size:14px;line-height:1.55;padding:12px 14px;resize:vertical;outline:none;font-family:inherit}.desc-input:focus{border-color:var(--primary)}.field-control{width:100%;border:none;background:none;font-size:14px;font-weight:500;color:var(--text);outline:none;padding:2px 0}.field-control:hover{color:var(--primary)}.num-input{width:100%;border:none;background:none;font-size:16px;font-weight:600;text-align:center;color:var(--text);outline:none;padding:2px 0}.num-input:hover{color:var(--primary)}.modal-body{padding:20px 24px;display:flex;flex-direction:column;gap:20px}.detail-section{display:flex;flex-direction:column;gap:10px}.detail-section h4{margin:0;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted)}.detail-description{margin:0;color:var(--text-secondary);line-height:1.55}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.detail-field{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px 14px}.detail-field .label{font-size:12px;color:var(--text-muted);margin-bottom:4px}.detail-field .value{font-size:14px;font-weight:500}.checklist{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px}.checklist-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.checklist-header .pct{color:var(--primary);font-weight:600;font-size:13px}.checklist-item{display:flex;align-items:center;gap:10px;padding:6px 0;font-size:14px}.checklist-item input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary);cursor:pointer}.checklist-item.checked span{text-decoration:line-through;color:var(--text-muted)}.checklist-add{margin-top:6px;border:none;background:none;color:var(--text-muted);font-size:14px;padding:6px 0;display:flex;align-items:center;gap:8px}.checklist-add:hover{color:var(--primary)}.progress-track{height:8px;background:var(--bg);border-radius:99px;overflow:hidden}.progress-fill{height:100%;background:var(--primary);border-radius:99px;transition:width .3s}.time-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.time-stat{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px;text-align:center}.time-stat .num{font-size:16px;font-weight:600}.time-stat .lbl{font-size:12px;color:var(--text-muted)}.assignee{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px 14px}.avatar{width:40px;height:40px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.assignee .name{font-size:14px;font-weight:500}.assignee .handle{font-size:13px;color:var(--text-muted)}.attachments{display:flex;flex-direction:column;gap:8px}.attachment{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:14px}.attachment .icon{color:var(--primary);display:flex}.attachment .size{margin-left:auto;color:var(--text-muted);font-size:12px}.comments{display:flex;flex-direction:column;gap:14px}.comment{display:flex;gap:12px}.comment .avatar{width:36px;height:36px;font-size:14px}.comment-head{display:flex;align-items:baseline;gap:8px}.comment-author{font-weight:600;font-size:13px}.comment-time{font-size:12px;color:var(--text-muted)}.comment-text{margin:4px 0 0;font-size:14px;color:var(--text-secondary);line-height:1.5}.comment-input{display:flex;gap:10px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:10px 14px}.comment-input input{flex:1;border:none;outline:none;font-size:14px;background:none;color:var(--text)}.comment-input button{border:none;background:var(--primary);color:#fff;border-radius:8px;padding:8px 14px;font-weight:500}.comment-input button:hover{background:var(--primary-hover)}.btn{border:none;border-radius:10px;padding:12px 24px;font-size:16px;font-weight:500;display:inline-flex;align-items:center;gap:10px;transition:background .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.modal-overlay-center{justify-content:center;align-items:flex-start;padding:48px 16px;overflow-y:auto}.form-modal{background:var(--card);border-radius:16px;box-shadow:0 24px 48px #10182833;width:560px;max-width:100%;animation:slide-up .2s ease}@keyframes slide-up{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}.form-header{padding:20px 24px;border-bottom:1px solid var(--border);position:relative}.form-body{padding:20px 24px;display:flex;flex-direction:column;gap:16px}.form-field{display:flex;flex-direction:column;gap:6px}.form-field span{font-size:13px;font-weight:500;color:var(--text-secondary)}.form-field input,.form-field select,.form-field textarea{padding:10px 12px;border:1px solid var(--border);border-radius:10px;font-size:14px;color:var(--text);background:var(--card);outline:none;font-family:inherit}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--primary)}.form-field textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.empty-state{color:var(--text-muted);text-align:center;padding:40px 0}.spinner{width:22px;height:22px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.notice-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:flex;gap:12px;align-items:flex-start}.notice-item .icon{color:var(--primary);display:flex;margin-top:2px}.notice-item .text{font-size:14px;line-height:1.5}.notice-item .time{font-size:12px;color:var(--text-muted);margin-top:4px}.list-row{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:flex;align-items:center;gap:12px}.list-row .name{font-weight:500;font-size:14px}.list-row .meta{font-size:12px;color:var(--text-muted)}.list-row .count{margin-left:auto;font-size:12px;color:var(--text-muted)}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}.settings-row:last-child{border-bottom:none}.settings-row .desc{font-size:13px;color:var(--text-muted);margin-top:4px}