:root{--ink:#17343d;--muted:#70858a;--line:#d8e7e9;--surface:#fff;--soft:#eef7f8;--blue:#0797b4;--blue-dark:#087b92;--done:#aacbd2;--orange:#e98643;--green:#3b9275;--danger:#c95858;--shadow:0 12px 30px rgba(30,72,82,.08)}
*{box-sizing:border-box}html{background:#eaf1f2}body{margin:0;background:#eaf1f2;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}.app-shell{width:min(100%,780px);min-height:100vh;margin:auto;padding:26px 20px 110px;background:#f6fafb}.topbar,.section-heading,.detail-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.topbar{margin-bottom:22px}.eyebrow{margin:0 0 5px;color:var(--blue-dark);font-size:10px;font-weight:800;letter-spacing:.14em}h1{margin:0;font-size:31px;letter-spacing:-.04em}h2{margin-bottom:5px;font-size:22px}.avatar,.profile-avatar{display:grid;place-items:center;border-radius:50%;background:var(--blue);color:#fff;font-weight:800}.avatar{width:42px;height:42px;border:0;box-shadow:0 7px 15px rgba(7,151,180,.22)}
.hero-panel,.board-panel,.workspace,.create-panel,.profile-panel{border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow)}.hero-panel{padding:21px;background:linear-gradient(135deg,#e5f6f8,#fff)}.hero-panel>div{color:var(--muted);font-size:12px}.status-dot{display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:var(--green)}.hero-panel h2{margin:16px 0 6px;font-size:26px}.hero-panel strong{color:var(--blue-dark)}.hero-panel p,.section-note{margin-bottom:0;color:var(--muted);font-size:12px}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 24px}.summary-card{display:grid;grid-template-columns:1fr auto;align-items:center;gap:3px 8px;padding:15px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-align:left}.summary-card span{grid-column:1/-1;color:var(--muted);font-size:12px}.summary-card strong{color:#09a09d;font-size:33px}.summary-card em{color:var(--ink);font-size:12px;font-style:normal}.board-panel,.workspace,.create-panel,.profile-panel{padding:20px}.section-note{margin:3px 0 16px}.outline-button,.soft-button,.icon-button{border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--blue-dark)}.outline-button{padding:8px 11px;font-size:12px;text-decoration:none;white-space:nowrap}.soft-button{padding:9px 12px;background:#e6f6f8;font-size:12px;font-weight:700}.icon-button,.dialog-close{width:34px;height:34px;border:0;background:transparent;color:var(--muted);font-size:24px}.heading-actions{display:flex;align-items:center;gap:7px}.heading-actions select{width:auto}.overview-list{display:grid;gap:10px}.overview-row{display:grid;grid-template-columns:90px minmax(0,1fr) 88px;min-height:112px;border:1px solid #c7e0e4;border-radius:4px;overflow:hidden;background:#e7f4f6;color:var(--ink);box-shadow:0 6px 16px rgba(24,73,84,.08)}.overview-row:nth-child(even){background:#fff}.overview-row.done{background:#f2f7f8}.overview-row button{border:0;color:inherit}.number-cell{display:grid;place-items:center;padding:10px;border-right:3px solid #d5e8eb;background:#1498b5;color:#fff;font-size:13px}.overview-row:nth-child(even) .number-cell{background:#a8cbd2}.overview-row.done .number-cell{background:#8cbec8}.number-cell b{display:block;font-size:35px;line-height:1}.overview-main{display:grid;grid-template-rows:auto auto auto}.overview-line{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:center;padding:7px 9px;border-bottom:1px solid #c9e0e3;font-size:12px}.overview-line strong{font-size:11px}.overview-line:last-child{grid-template-columns:repeat(3,1fr);border-bottom:0}.overview-value{padding:5px 9px;background:rgba(23,52,61,.12);font-size:13px}.status-cell{display:grid;align-content:center;gap:3px;padding:9px;border-left:3px solid #d5e8eb;background:#d8eef1;font-size:12px}.overview-row:nth-child(even) .status-cell{background:#f4fafb}.status-cell b{font-size:20px}.status-cell span{opacity:.85}
.filter-row{display:flex;gap:8px;margin:19px 0 15px;overflow:auto}.filter-chip{padding:7px 13px;border:1px solid var(--line);border-radius:99px;background:#fff;color:var(--muted);font-size:12px}.filter-chip.active{border-color:var(--blue);background:var(--blue);color:#fff}.lobby-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.lobby-card{display:grid;gap:11px;padding:15px;border:1px solid var(--line);border-radius:8px;background:#fff}.lobby-card h3{margin:0;font-size:15px}.lobby-meta{display:grid;grid-template-columns:1fr 1fr;gap:7px}.lobby-meta span{font-size:11px;color:var(--muted)}.lobby-meta b{display:block;margin-top:2px;color:var(--ink);font-size:12px}.badge{justify-self:start;padding:4px 8px;border-radius:99px;background:#e8f7f9;color:var(--blue-dark);font-size:10px}.badge.progress,.badge.accepted{background:#fff2e7;color:#a7612d}.badge.done{background:#edf6ef;color:#397a58}.lobby-actions,.detail-actions,.form-submit{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px}.lobby-actions button,.detail-actions button{padding:7px 9px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);font-size:11px}.lobby-actions .primary-action,.detail-actions .primary-action{border-color:var(--blue);color:var(--blue-dark)}.empty-state{padding:35px;text-align:center;color:var(--muted)}.empty-state h3{margin:8px 0 4px;font-size:15px}.empty-state p{margin:0;font-size:12px}
.create-panel,.profile-panel{margin-top:0}.create-panel form{display:grid;gap:13px;margin-top:18px}.form-card{display:grid;gap:12px;margin:0;padding:17px;border:1px solid var(--line);border-radius:8px}.form-card legend{padding:0 7px;color:var(--ink);font-size:15px;font-weight:800}.radio-card{display:flex;align-items:flex-start;gap:10px;padding:13px;border:1px solid var(--line);border-radius:7px}.radio-card:has(input:checked){border-color:var(--blue);background:#f1fafb}.radio-card input{width:auto;margin-top:3px}.radio-card b,.radio-card small{display:block}.radio-card small{margin-top:4px;color:var(--muted);font-size:11px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}label{display:grid;gap:6px;color:var(--muted);font-size:12px}input,select,textarea{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink);outline:0}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(7,151,180,.1)}textarea{resize:vertical}.note-builder>p{margin:0;color:var(--muted);font-size:11px}.note-group{display:grid;gap:10px;padding:13px;border:1px solid var(--line);border-radius:7px;background:#fafcfc}.note-head{display:flex;justify-content:space-between;font-size:12px;font-weight:700}.remove-note{border:0;background:transparent;color:var(--danger);font-size:11px}.upload-box{display:grid;place-items:center;min-height:74px;border:1px dashed #b9d5d9;border-radius:6px;color:var(--blue-dark);font-size:12px}.upload-box input{display:none}.preview-list{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.preview-item{position:relative;min-width:0;padding:8px;border:1px solid var(--line);border-radius:5px;background:#fff}.preview-item span{display:block;overflow:hidden;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.preview-item button{position:absolute;top:-6px;right:-5px;width:19px;height:19px;border:0;border-radius:50%;background:var(--danger);color:#fff;font-size:12px}.primary-button{padding:11px 15px;border:0;border-radius:6px;background:var(--blue);color:#fff;font-weight:800}.profile-card{display:flex;align-items:center;gap:13px;padding:16px;margin-top:15px;border-radius:8px;background:var(--soft)}.profile-avatar{width:48px;height:48px}.profile-card strong,.profile-card span{display:block}.profile-card span{margin-top:4px;color:var(--muted);font-size:12px}.settings-list{margin-top:14px;border-top:1px solid var(--line)}.profile-name{padding:13px 0}.settings-list a,.settings-list button{display:flex;justify-content:space-between;width:100%;padding:15px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font-size:13px;text-decoration:none}
.bottom-nav{position:fixed;z-index:20;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(4,1fr);width:min(100%,780px);margin:auto;padding:8px 12px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(14px)}.nav-item{display:grid;place-items:center;gap:3px;min-height:57px;border:0;border-radius:8px;background:transparent;color:var(--muted)}.nav-item span{font-size:22px}.nav-item small{font-size:11px}.nav-item.active{background:#e5f5f8;color:var(--blue-dark)}.add-nav span{color:var(--blue);font-size:27px}
.design-role .bottom-nav{grid-template-columns:repeat(3,1fr)}
.nav-item[hidden],.summary-card[hidden]{display:none!important}
.detail-notes{display:grid;gap:10px;margin-top:12px}.detail-note{padding:12px;border:1px solid var(--line);border-radius:7px;background:#fff}.detail-note>strong{font-size:12px}.detail-note p{margin:7px 0;color:var(--muted);font-size:12px;white-space:pre-wrap}.detail-images{display:flex;flex-wrap:wrap;gap:8px}.detail-images img{width:78px;height:58px;object-fit:cover;border:1px solid var(--line);border-radius:5px;cursor:zoom-in}.detail-file{padding:7px 9px;border-radius:5px;background:var(--soft);color:var(--muted);font-size:11px}#imageDialog{width:min(780px,calc(100% - 24px));padding:14px;background:#102a30}#imageDialog .dialog-close{position:absolute;top:4px;right:4px;color:#fff}#imagePreview{display:block;max-width:100%;max-height:80vh;margin:auto;object-fit:contain}
dialog{width:min(620px,calc(100% - 26px));max-height:88vh;padding:21px;border:0;border-radius:10px;color:var(--ink);box-shadow:0 24px 70px rgba(15,48,55,.25)}dialog::backdrop{background:rgba(17,47,54,.42)}.detail-head{margin-bottom:17px}.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;overflow:hidden;border:1px solid var(--line);border-radius:7px;background:var(--line)}.detail-grid div{padding:11px;background:#fff}.detail-grid span{display:block;color:var(--muted);font-size:10px}.detail-grid b{display:block;margin-top:3px;font-size:13px}.detail-brief{margin:13px 0;padding:13px;border-radius:7px;background:var(--soft);font-size:12px;line-height:1.7}.detail-actions{margin-top:15px}#editForm{display:grid;gap:12px}
@media(max-width:570px){.app-shell{padding:19px 13px 105px}.summary-grid{grid-template-columns:1fr 1fr}.optional-stat{display:none}.board-panel,.workspace,.create-panel,.profile-panel{padding:15px}.overview-row{grid-template-columns:68px minmax(0,1fr) 70px;min-height:105px}.number-cell b{font-size:29px}.overview-line{padding:6px 5px;font-size:10px}.overview-line strong{font-size:9px}.overview-value{font-size:11px}.status-cell{padding:6px}.status-cell b{font-size:17px}.lobby-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.lobby-card{padding:12px}.lobby-meta{grid-template-columns:1fr}.heading-actions{align-items:stretch;flex-direction:column}.heading-actions select{width:100%}.form-grid{grid-template-columns:1fr}.preview-list{grid-template-columns:repeat(3,1fr)}}
@media(max-width:390px){.lobby-list{grid-template-columns:1fr}.overview-line{grid-template-columns:repeat(3,1fr)}.overview-line strong:nth-child(n+4){display:none}.overview-row{grid-template-columns:62px minmax(0,1fr) 64px}}

/* Task overview palette follows the light blue and white reference table. */
.overview-row{border-color:#bed4dc;background:#cfeef7;color:#263940;box-shadow:0 4px 12px rgba(43,70,78,.06)}
.overview-row:nth-child(even){background:#fff}
.overview-row.done{background:inherit}
.number-cell{border-right:1px solid #bed4dc;background:#bfe4ef;color:#263940}
.overview-row:nth-child(even) .number-cell{background:#f0f7f9}
.overview-row.done .number-cell{background:inherit}
.overview-line{border-bottom-color:#c7dce3}
.overview-value{background:#dfe5e7}
.status-cell{border-left:1px solid #bed4dc;background:#c4e8f1}
.overview-row:nth-child(even) .status-cell{background:#e9f5f8}
.overview-row.done .status-cell{background:inherit}

dialog{overflow:auto;position:relative}
.detail-head{position:sticky;top:-21px;z-index:2;padding:4px 0 12px;background:#fff}
.detail-head .dialog-close{position:absolute;top:0;right:0;z-index:3}
.detail-status-control{display:inline-flex;align-items:center;gap:6px;margin-left:auto;color:var(--muted);font-size:11px}.detail-status-control select{width:auto;padding:7px 9px}
.my-task-heading{margin-top:20px;margin-bottom:4px}
.designer-assignments{display:grid;gap:4px;margin-top:8px;margin-left:-26px;width:calc(100% + 26px)}.designer-row{display:grid;grid-template-columns:56px minmax(0,1fr);align-items:center;gap:6px}.designer-role{color:var(--ink);font-size:12px;font-weight:700;white-space:nowrap}.designer-row select{min-width:0}

/* Keep the visible sequence number inside its fixed cell. */
.number-cell b{max-width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.preview-item img{display:block;width:100%;height:54px;margin-bottom:5px;border-radius:4px;object-fit:cover}

/* Alternate complete rows by position only; task status never changes the color. */
.overview-row:nth-child(odd),
.overview-row:nth-child(odd).done,
.overview-row:nth-child(odd) .number-cell,
.overview-row:nth-child(odd).done .number-cell,
.overview-row:nth-child(odd) .overview-main,
.overview-row:nth-child(odd) .status-cell,
.overview-row:nth-child(odd).done .status-cell{background:#d7eff7}
.overview-row:nth-child(even),
.overview-row:nth-child(even).done,
.overview-row:nth-child(even) .number-cell,
.overview-row:nth-child(even).done .number-cell,
.overview-row:nth-child(even) .overview-main,
.overview-row:nth-child(even) .status-cell,
.overview-row:nth-child(even).done .status-cell{background:#fff}