:root{
  --ink:#1b1f24; --muted:#6b7480; --line:#e6e8ec; --bg:#fbfbfa; --card:#ffffff; --accent:#2f5d62;
  --pending:#9aa3ad; --pending-bg:#f1f3f5;
  --progress:#2563a8; --progress-bg:#eaf1fa;
  --awaiting:#b07a1e; --awaiting-bg:#fbf3e2;
  --done:#3a7d44; --done-bg:#e9f4ec;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.5}
#landing-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:40px 20px}
.landing-card{text-align:center;max-width:480px;width:100%}
.landing-logo{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.landing-title{font-size:32px;font-weight:700;color:var(--ink);margin-bottom:8px}
.landing-sub{font-size:14px;color:var(--muted);margin-bottom:44px}
.landing-users{display:flex;gap:16px;justify-content:center}
.user-btn{flex:1;max-width:180px;padding:28px 20px;background:var(--card);border:1.5px solid var(--line);border-radius:14px;cursor:pointer;font-family:inherit;transition:border-color .15s,box-shadow .15s,transform .12s;display:flex;flex-direction:column;align-items:center;gap:12px}
.user-btn:hover{border-color:var(--accent);box-shadow:0 4px 20px rgba(47,93,98,.1);transform:translateY(-2px)}
.user-avatar{width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center}
.user-btn span{font-size:15px;font-weight:600;color:var(--ink)}
.user-btn small{font-size:11px;color:var(--muted)}
.pw-modal-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200;align-items:center;justify-content:center}
.pw-modal-bg.open{display:flex}
.pw-box{background:var(--card);border-radius:14px;padding:32px 28px;width:340px;max-width:92vw;box-shadow:0 8px 32px rgba(0,0,0,.14)}
.pw-box h3{font-size:17px;font-weight:700;margin-bottom:6px}
.pw-box p{font-size:13px;color:var(--muted);margin-bottom:20px}
.pw-field{margin-bottom:8px}
.pw-field input{width:100%;border:1.5px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit;background:var(--bg);color:var(--ink);letter-spacing:.12em}
.pw-field input:focus{outline:none;border-color:var(--accent)}
.pw-error{font-size:12px;color:#dc2626;margin-bottom:12px;min-height:18px}
.pw-footer{display:flex;gap:8px;justify-content:flex-end;margin-top:4px}
#main-app{padding:32px 20px}
.wrap{max-width:1140px;margin:0 auto}
header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.title{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.title b{display:block;font-size:26px;font-weight:700;text-transform:none;color:var(--ink);margin-top:4px}
.header-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.search-wrap{position:relative}
.search-wrap svg{position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
#search{border:1px solid var(--line);border-radius:8px;padding:7px 10px 7px 30px;font-size:13px;font-family:inherit;background:var(--card);color:var(--ink);width:200px}
#search:focus{outline:none;border-color:var(--accent)}
.refreshed{font-size:13px;color:var(--muted)}
.refreshed b{color:var(--ink);font-weight:600}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:7px 14px;font-size:13px;cursor:pointer;color:var(--ink);font-family:inherit;white-space:nowrap;text-decoration:none}
.btn:hover{background:#f3f4f6}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:#254d52}
.btn-logout{font-size:12px;color:var(--muted);padding:6px 10px}
.readonly-note{font-size:12px;color:var(--muted)}
.summary{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.stat{flex:1;min-width:110px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.stat .n{font-size:24px;font-weight:700;line-height:1}
.stat .l{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.board{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.board-toolbar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);background:#fcfcfb}
table{width:100%;border-collapse:collapse;table-layout:fixed}
col.c-drag{width:3%} col.c-task{width:14%} col.c-desc{width:19%} col.c-status{width:11%} col.c-notes{width:17%} col.c-date{width:8%} col.c-completed{width:8%} col.c-link{width:4%} col.c-actions{width:12%}
th{text-align:left;font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);padding:11px 12px;border-bottom:1px solid var(--line);background:#fcfcfb}
td{padding:11px 12px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top;word-break:break-word}
tr:last-child td{border-bottom:none}
tr.section-row td{background:#f4f5f7;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:7px 12px;border-bottom:1px solid var(--line);user-select:none}
.section-label{display:flex;align-items:center;gap:8px}
.chevron{display:inline-block;transition:transform .2s;font-style:normal;font-size:10px;line-height:1;cursor:pointer}
.chevron.collapsed{transform:rotate(-90deg)}
.section-count{background:var(--line);border-radius:999px;padding:1px 7px;font-size:10px;color:var(--muted);font-weight:600}
.section-label .section-name{cursor:pointer}
.section-label .section-name:hover{color:var(--ink)}
td.drag-handle{color:#ccc;cursor:grab;font-size:16px;padding:0 4px 0 10px;text-align:center;line-height:1;vertical-align:middle}
td.drag-handle:active{cursor:grabbing}
tr.dragging{opacity:.4}
tr.drag-over td{border-top:2px solid var(--accent)}
tbody tr td{vertical-align:middle;padding-top:0;padding-bottom:0;height:56px;max-height:56px}
.cell-clamp{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;max-height:calc(1.4em * 3)}
td.task-name{font-weight:600;cursor:pointer}
td.task-name:hover .cell-clamp{color:var(--accent)}
td.desc-col{color:var(--muted)}
td.date-col{color:var(--muted);font-size:12px}
td.completed-col{color:var(--done);font-size:12px;font-weight:500}
td.notes-col{color:var(--muted);font-size:12px;font-style:italic}
td.link-col{text-align:center;padding:0 4px}
.link-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:6px;color:var(--accent);text-decoration:none;border:1px solid var(--line);background:var(--card);transition:background .15s,border-color .15s}
.link-icon:hover{background:var(--progress-bg);border-color:var(--accent)}
.link-placeholder{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:6px;color:var(--line);border:1px dashed var(--line)}
.pill{display:inline-block;font-size:11px;font-weight:600;padding:3px 10px;border-radius:999px;white-space:nowrap}
.s-done{color:var(--done);background:var(--done-bg)}
.s-progress{color:var(--progress);background:var(--progress-bg)}
.s-awaiting{color:var(--awaiting);background:var(--awaiting-bg)}
.s-pending{color:var(--pending);background:var(--pending-bg)}
.s-custom0{color:#6d28d9;background:#f3eeff}
.s-custom1{color:#b45309;background:#fff7ed}
.s-custom2{color:#0f766e;background:#f0fdfa}
.s-custom3{color:#be185d;background:#fdf2f8}
.row-actions{display:flex;gap:3px;align-items:center}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:none;border:1px solid var(--line);border-radius:6px;cursor:pointer;color:var(--muted);padding:0;transition:background .12s,border-color .12s,color .12s}
.icon-btn:hover{background:#f3f4f6;color:var(--ink);border-color:#d1d5db}
.icon-btn.del:hover{background:#fef2f2;border-color:#fca5a5;color:#b91c1c}
.icon-btn.hist:hover{background:#f0f4ff;border-color:#93a8f4;color:#3a56c4}
.icon-btn svg{display:block;flex-shrink:0}
tr.hidden-row{display:none}
.modal-bg,.confirm-bg,.history-modal-bg,.cat-modal-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);align-items:center;justify-content:center}
.modal-bg.open,.confirm-bg.open,.history-modal-bg.open,.cat-modal-bg.open{display:flex}
.modal-bg{z-index:100}.history-modal-bg{z-index:120}.cat-modal-bg{z-index:130}.confirm-bg{z-index:150}
.modal{background:var(--card);border-radius:12px;padding:24px 28px;width:640px;max-width:95vw;max-height:90vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,.12)}
.modal h3,.history-modal h3,.cat-modal h3{font-size:16px;font-weight:700;margin-bottom:18px}
.field{margin-bottom:13px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:7px;padding:8px 10px;font-size:13px;font-family:inherit;background:var(--bg);color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus,.cat-add-row input:focus{outline:none;border-color:var(--accent)}
.field textarea{min-height:80px;resize:vertical}
.date-field{display:flex;gap:8px;align-items:center}
.date-field input{flex:1;min-width:0}
.date-field .btn{height:35px;padding:7px 12px;text-transform:uppercase;font-size:11px;font-weight:600;letter-spacing:.04em}
.modal-footer,.confirm-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.confirm-box{background:var(--card);border-radius:12px;padding:24px 28px;width:360px;max-width:92vw;box-shadow:0 8px 32px rgba(0,0,0,.12)}
.confirm-box h4{font-size:15px;font-weight:700;margin-bottom:8px}
.confirm-box p{font-size:13px;color:var(--muted);margin-bottom:20px}
.btn-danger{background:#dc2626;color:#fff;border-color:#dc2626}
.btn-danger:hover{background:#b91c1c}
.history-modal{background:var(--card);border-radius:12px;padding:24px 28px;width:680px;max-width:95vw;max-height:88vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,.12)}
.history-modal h3{margin-bottom:4px}
.history-subtitle{font-size:13px;color:var(--muted);margin-bottom:20px}
.history-list{display:flex;flex-direction:column;gap:0}
.history-item{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.history-item:last-child{border-bottom:none}
.history-dot-col{display:flex;flex-direction:column;align-items:center;padding-top:3px}
.history-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex-shrink:0}
.history-line{flex:1;width:1px;background:var(--line);margin-top:4px}
.history-item:last-child .history-line{display:none}
.history-date{font-size:11px;font-weight:600;color:var(--muted);white-space:nowrap;min-width:72px;padding-top:1px}
.history-desc{font-size:13px;color:var(--ink);flex:1;word-break:break-word;white-space:pre-wrap}
.history-desc b{font-weight:600}
.history-footer{display:flex;justify-content:flex-end;margin-top:18px}
.history-empty{font-size:13px;color:var(--muted);font-style:italic;padding:12px 0}
.cat-modal{background:var(--card);border-radius:12px;padding:24px 28px;width:460px;max-width:95vw;max-height:88vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,.12)}
.cat-modal h3{margin-bottom:4px}
.cat-modal-sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.cat-list{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.cat-row{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}
.cat-row input{flex:1;border:none;background:transparent;font-size:13px;font-family:inherit;color:var(--ink);min-width:0;outline:none;padding:0}
.cat-row .cat-count{font-size:11px;color:var(--muted);white-space:nowrap;padding:2px 7px;background:var(--line);border-radius:999px}
.cat-row .icon-btn{flex-shrink:0;width:26px;height:26px}
.cat-add-row{display:flex;gap:8px;align-items:center;margin-bottom:4px}
.cat-add-row input{flex:1;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px;font-family:inherit;background:var(--bg);color:var(--ink)}
.toast{position:fixed;bottom:24px;right:24px;background:var(--ink);color:#fff;border-radius:8px;padding:10px 18px;font-size:13px;z-index:200;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}
footer{margin-top:14px;font-size:12px;color:var(--muted)}
body.readonly .write-control{display:none}
body.readonly .readonly-note{display:inline}
body.readonly td.drag-handle{cursor:default}
@media(max-width:720px){col.c-desc,.desc-col,col.c-notes,.notes-col,col.c-completed,.completed-col{display:none}.landing-users{flex-direction:column;align-items:center}.user-btn{width:100%}}