:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,PingFang SC,Microsoft YaHei,Arial,sans-serif;background:#f5f7fb;color:#1f2933}*{box-sizing:border-box}body{margin:0;min-width:320px;overflow-x:hidden}button,input,select,textarea{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:0;border-radius:8px;padding:0 14px;background:#166a5f;color:#fff;cursor:pointer;font-weight:650}button.secondary{background:#edf2f7;color:#263238}.ghost-button{background:transparent;color:#334155;border:1px solid #d9e1ea}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{background:#fff;border-right:1px solid #e2e8f0;padding:22px;display:flex;flex-direction:column;gap:24px}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:8px;background:#243b53;color:#fff;display:grid;place-items:center;font-weight:800}.brand small,.topbar span,.page-heading p,.task-card p{color:#66788a}.sidebar nav{display:grid;gap:8px}.sidebar a{display:flex;align-items:center;gap:10px;color:#334155;text-decoration:none;padding:11px 12px;border-radius:8px}.sidebar a.active{background:#e8f5f2;color:#135e55;font-weight:700}.logout{margin-top:auto}.workspace{min-width:0}.topbar{min-height:72px;background:#fff;border-bottom:1px solid #e2e8f0;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;padding:0 28px}.topbar>div{display:grid;gap:4px}.wallet-summary{display:grid;grid-template-columns:repeat(4,max-content);align-items:center;gap:10px;min-width:0}.wallet-summary span,.notice-pill{background:#f1f5f9;border-radius:8px;padding:8px 10px;color:#334155}.notice-pill{display:inline-flex;align-items:center;gap:6px}.page-stack{padding:26px 28px 40px;display:grid;gap:20px}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.page-heading h2,.task-card h3,.kanban-column h3,.notification-list h3{margin:0}.task-form{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:12px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:16px}.task-form textarea{grid-column:1 / -1;min-height:88px}.location-picker{grid-column:span 2;display:grid;gap:10px;min-width:0}.location-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.field-hint{color:#66788a;font-size:13px;overflow-wrap:anywhere}.nearest-list{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:8px;min-width:0}.nearest-list span,.location-chip{min-height:34px;border-radius:8px;padding:7px 10px;background:#f1f5f9;color:#334155;font-size:13px;line-height:1.35;overflow-wrap:anywhere}.location-chip{border:1px solid #d9e1ea;cursor:pointer}.geo-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:12px}input,select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:11px 12px;background:#fff;color:#1f2933}.task-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.task-card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:16px;display:grid;gap:14px}.task-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.category{color:#9a5b13;font-size:13px;font-weight:700}.task-meta{display:flex;flex-wrap:wrap;gap:10px;color:#475569;font-size:14px}.task-meta span{display:inline-flex;align-items:center;gap:5px}.task-actions{display:flex;flex-wrap:wrap;gap:10px}.status-badge{flex:none;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:800}.evidence{display:grid;gap:6px;background:#f8fafc;border-left:4px solid #166a5f;padding:10px 12px}.evidence img,.evidence-preview{width:min(100%,360px);max-height:260px;object-fit:contain;border:1px solid #d9e1ea;border-radius:8px;background:#fff}.moderation-note{color:#7c2d12;background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;padding:10px 12px}.kanban{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;align-items:start}.kanban-column{display:grid;align-content:start;gap:12px;min-width:0}.kanban-column h3{display:flex;align-items:center;justify-content:space-between;gap:10px}.kanban-column h3 small{min-width:28px;height:24px;border-radius:999px;display:inline-grid;place-items:center;background:var(--surface-muted);color:var(--muted);border:1px solid var(--line);font-size:13px}.mobile-status-groups{display:none}.mobile-task-list{display:grid;gap:12px}.empty-state.compact{border:1px dashed var(--line);border-radius:8px;padding:14px;text-align:center}.metric-row{display:grid;grid-template-columns:repeat(3,minmax(160px,1fr));gap:14px}.metric{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:16px;display:grid;gap:8px}.metric span{color:#66788a}.metric strong{font-size:26px}.notification-list{display:grid;gap:10px}.notification{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:12px;display:grid;gap:5px}.section-heading{display:grid;gap:10px}.section-heading h3{margin:0}.filter-bar{display:flex;flex-wrap:wrap;gap:8px}.filter-bar button{min-height:36px;padding:0 12px}.filter-bar button.active{background:var(--primary);color:var(--primary-contrast)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:18px;background:#0f172a6b}.modal-panel{width:min(620px,100%);max-height:min(760px,92vh);overflow:auto;background:#fff;border-radius:8px;box-shadow:0 24px 80px #0f172a47;padding:18px;display:grid;gap:14px}.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}.modal-head>div{display:grid;gap:4px}.modal-head span{color:#66788a}.icon-button{width:38px;min-height:38px;padding:0;background:#edf2f7;color:#263238}.modal-form,.chat-form{display:grid;gap:12px}.upload-zone{min-height:88px;border:1px dashed #94a3b8;border-radius:8px;display:grid;place-items:center;gap:6px;color:#475569;cursor:pointer}.upload-zone input{display:none}.chat-panel{height:min(720px,92vh)}.message-list{min-height:260px;overflow:auto;display:grid;align-content:start;gap:10px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:12px}.message-row{justify-self:start;max-width:80%;background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:10px;display:grid;gap:4px}.message-self{justify-self:end;background:#e8f5f2;border-color:#b8dcd5}.message-row span,.message-row small,.empty-state{color:#66788a}.message-row p{margin:0}.chat-form{grid-template-columns:1fr auto}.location-summary{display:flex;align-items:center;gap:10px;min-width:0}.location-summary>div,.profile-summary,.brand>div{min-width:0}.location-summary strong,.location-summary span,.profile-summary strong,.profile-summary span,.brand strong,.brand small{display:block;overflow-wrap:anywhere}.ledger-list{display:grid;gap:10px}.ledger-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px}.ledger-item>div{min-width:0}.ledger-item strong,.ledger-item span{overflow-wrap:anywhere}.ledger-item span{color:var(--muted)}.ledger-values{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.ledger-values span,.ledger-values strong{border-radius:8px;background:var(--surface-muted);padding:7px 9px}.login-screen{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#166a5f24,#9a5b131f),#f5f7fb}.login-panel{width:min(440px,100%);background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:24px;display:grid;gap:18px}.login-title{display:flex;align-items:center;gap:14px}.login-title h1,.login-title p{margin:0}.login-panel form,.demo-switch{display:grid;gap:12px}.demo-user-menu{display:grid;gap:8px}.demo-user-menu button{display:grid;grid-template-columns:max-content minmax(0,1fr);justify-items:start;min-height:58px;text-align:left}.demo-user-menu small{grid-column:1 / -1;color:var(--muted);max-width:100%;overflow-wrap:anywhere}.form-error{border:1px solid #fecaca;color:#991b1b;background:#fff1f2;border-radius:8px;padding:10px 12px}@media(max-width:860px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;border-right:0;border-bottom:1px solid #e2e8f0}.sidebar nav,.metric-row,.task-form,.location-controls,.geo-toolbar,.chat-form{grid-template-columns:1fr}.location-picker{grid-column:1 / -1}.topbar,.page-heading{align-items:stretch;flex-direction:column;height:auto;padding:18px}.page-stack{padding:18px}}:root{--bg: #f5f5f7;--bg-soft: #f2f2f7;--surface: #ffffff;--surface-raised: #ffffff;--surface-muted: #f7f7f9;--text: #1d1d1f;--muted: #6e6e73;--subtle: #3a3a3c;--line: rgba(60, 60, 67, .18);--line-strong: rgba(60, 60, 67, .28);--primary: #007aff;--primary-strong: #006adc;--primary-soft: #e8f2ff;--primary-contrast: #ffffff;--warning: #ff9f0a;--warning-soft: #fff4df;--danger: #ff3b30;--danger-soft: #fff0ef;--shadow: 0 20px 60px rgba(0, 0, 0, .12);color-scheme:light;background:var(--bg);color:var(--text)}:root[data-theme=dark]{--bg: #000000;--bg-soft: #1c1c1e;--surface: #1c1c1e;--surface-raised: #2c2c2e;--surface-muted: #242426;--text: #f5f5f7;--muted: #a1a1a6;--subtle: #d1d1d6;--line: rgba(235, 235, 245, .16);--line-strong: rgba(235, 235, 245, .28);--primary: #0a84ff;--primary-strong: #64d2ff;--primary-soft: #0d2d4d;--primary-contrast: #ffffff;--warning: #ff9f0a;--warning-soft: #3a2a10;--danger: #ff453a;--danger-soft: #3b1817;--shadow: 0 28px 88px rgba(0, 0, 0, .45);color-scheme:dark}@media(prefers-color-scheme:dark){:root[data-theme=system]{--bg: #000000;--bg-soft: #1c1c1e;--surface: #1c1c1e;--surface-raised: #2c2c2e;--surface-muted: #242426;--text: #f5f5f7;--muted: #a1a1a6;--subtle: #d1d1d6;--line: rgba(235, 235, 245, .16);--line-strong: rgba(235, 235, 245, .28);--primary: #0a84ff;--primary-strong: #64d2ff;--primary-soft: #0d2d4d;--primary-contrast: #ffffff;--warning: #ff9f0a;--warning-soft: #3a2a10;--danger: #ff453a;--danger-soft: #3b1817;--shadow: 0 28px 88px rgba(0, 0, 0, .45);color-scheme:dark}}body{background:var(--bg);color:var(--text)}button{background:var(--primary);color:var(--primary-contrast)}button:hover{filter:brightness(.97)}button.secondary,.icon-button{background:var(--surface-muted);color:var(--text);border:1px solid var(--line)}.ghost-button,.theme-toggle{background:transparent;color:var(--subtle);border:1px solid var(--line)}.theme-toggle{min-height:38px;padding:0 11px;border-radius:8px;white-space:nowrap}.sidebar,.topbar,.task-form,.geo-toolbar,.task-card,.metric,.notification,.modal-panel,.login-panel{background:var(--surface);border-color:var(--line)}.sidebar,.topbar{background:color-mix(in srgb,var(--surface) 82%,transparent);-webkit-backdrop-filter:saturate(180%) blur(22px);backdrop-filter:saturate(180%) blur(22px)}.brand-mark{background:var(--text);color:var(--bg)}.brand small,.topbar span,.page-heading p,.task-card p,.metric span,.modal-head span,.message-row span,.message-row small,.empty-state,.login-title p{color:var(--muted)}.sidebar a,.wallet-summary span,.notice-pill,.task-meta,.upload-zone,input,select,textarea{color:var(--subtle)}.sidebar a.active{background:var(--primary-soft);color:var(--primary-strong)}.wallet-summary span,.notice-pill,.evidence,.message-list{background:var(--surface-muted);border-color:var(--line)}input,select,textarea{background:var(--surface-raised);border-color:var(--line-strong);color:var(--text)}input::placeholder,select::placeholder,textarea::placeholder{color:var(--muted)}.category{color:var(--warning)}.task-card,.metric,.notification,.login-panel,.modal-panel{box-shadow:0 1px 2px #0f172a0a}.modal-panel{box-shadow:var(--shadow)}.evidence{border-left-color:var(--primary)}.evidence img,.evidence-preview{background:var(--surface-raised);border-color:var(--line)}.moderation-note{color:var(--warning);background:var(--warning-soft);border-color:color-mix(in srgb,var(--warning) 35%,var(--line))}.form-error{color:var(--danger);background:var(--danger-soft);border-color:color-mix(in srgb,var(--danger) 35%,var(--line))}.message-row{background:var(--surface-raised);border-color:var(--line)}.message-self{background:var(--primary-soft);border-color:color-mix(in srgb,var(--primary) 35%,var(--line))}.login-screen{background:radial-gradient(circle at 20% 15%,color-mix(in srgb,var(--primary) 18%,transparent),transparent 32%),radial-gradient(circle at 85% 85%,color-mix(in srgb,var(--warning) 16%,transparent),transparent 32%),var(--bg)}.login-theme{position:fixed;top:18px;right:18px}.status-open{background:#e6f4ff;color:#075985}.status-in_progress{background:#fff7ed;color:#9a3412}.status-pending_acceptance{background:#fef9c3;color:#854d0e}.status-completed{background:#dcfce7;color:#166534}.status-disputed{background:#fee2e2;color:#991b1b}.status-cancelled{background:#e5e7eb;color:#374151}.status-rejected{background:#fee2e2;color:#991b1b}@media(prefers-color-scheme:dark){:root[data-theme=system] .status-open{background:#12324a;color:#93d5ff}:root[data-theme=system] .status-in_progress{background:#3b2818;color:#fdba74}:root[data-theme=system] .status-pending_acceptance{background:#3a3212;color:#fde68a}:root[data-theme=system] .status-completed{background:#16351f;color:#86efac}:root[data-theme=system] .status-disputed{background:#3b1d1d;color:#fca5a5}:root[data-theme=system] .status-cancelled{background:#2c333a;color:#d1d5db}:root[data-theme=system] .status-rejected{background:#3b1d1d;color:#fca5a5}}:root[data-theme=dark] .status-open{background:#12324a;color:#93d5ff}:root[data-theme=dark] .status-in_progress{background:#3b2818;color:#fdba74}:root[data-theme=dark] .status-pending_acceptance{background:#3a3212;color:#fde68a}:root[data-theme=dark] .status-completed{background:#16351f;color:#86efac}:root[data-theme=dark] .status-disputed{background:#3b1d1d;color:#fca5a5}:root[data-theme=dark] .status-cancelled{background:#2c333a;color:#d1d5db}:root[data-theme=dark] .status-rejected{background:#3b1d1d;color:#fca5a5}@media(min-width:861px){.sidebar{position:sticky;top:0;height:100vh}.topbar{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}}@media(max-width:1080px)and (min-width:861px){.app-shell{grid-template-columns:220px minmax(0,1fr)}.sidebar{padding:18px}.task-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}}@media(max-width:860px){.sidebar{gap:14px;padding:14px}.brand{justify-content:space-between}.sidebar nav{display:flex;flex-wrap:wrap;overflow-x:visible;gap:8px;padding-bottom:2px}.sidebar a{flex:1 1 108px;min-height:42px;justify-content:center}.logout{margin-top:0;width:100%}.wallet-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.topbar,.geo-toolbar,.ledger-item{grid-template-columns:1fr}.ledger-values{justify-content:flex-start}.wallet-summary .theme-toggle{grid-column:span 2}.task-grid{grid-template-columns:1fr}.kanban{display:none}.mobile-status-groups{display:grid;gap:18px}.mobile-status-section{display:grid;gap:10px;min-width:0}.mobile-status-section>h3{margin:0;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:8px;border-bottom:1px solid var(--line);font-size:15px}.mobile-status-section>h3 small{min-width:26px;height:22px;border-radius:999px;display:inline-grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--muted);font-size:12px}.kanban-column{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:12px}.task-actions button{flex:1 1 150px}.modal-backdrop{align-items:end;padding:0}.modal-panel{width:100%;max-height:92vh;border-radius:8px 8px 0 0}.login-theme{top:12px;right:12px}}@media(max-width:520px){.brand small{display:none}.topbar,.page-stack{padding:14px}.wallet-summary{grid-template-columns:1fr}.wallet-summary .theme-toggle{grid-column:auto}.metric strong{font-size:22px}.login-panel{padding:18px}}