:root{--bg: #fafafa;--surface: #ffffff;--surface-soft: #f7f8fa;--surface-hover: #f3f4f6;--ink: #111827;--muted: #6b7280;--muted-strong: #4b5563;--border: #e5e7eb;--border-strong: #d1d5db;--panel-line: rgba(0, 0, 0, .06);--brand: #0d9488;--brand-dark: #0f766e;--brand-strong: #0ba699;--brand-soft: #e0f2f1;--accent: #376fd8;--accent-soft: #eff6ff;--warn: #d97706;--warn-soft: #fff7ed;--danger: #dc2626;--danger-soft: #fef2f2;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 4px 24px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .1);--radius: 12px;--radius-sm: 8px;color:var(--ink);background:var(--bg);font-size:15px;font-family:Inter,SF Pro Text,SF Pro Display,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;line-height:1.6;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:var(--bg)}body.modal-open{overflow:hidden}button,input,select,textarea{font:inherit}button{min-height:36px;border:0;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid rgba(55,111,216,.3);outline-offset:2px}#app{width:min(1200px,calc(100% - 36px));margin:0 auto;padding:24px 0 48px}.app-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;border:1px solid var(--border);border-radius:var(--radius);padding:12px 20px;background:var(--surface);box-shadow:var(--shadow-sm)}.app-topbar-left{display:flex;align-items:center;min-width:0}.app-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:1rem;font-weight:700}.app-logo img{display:block;width:28px;height:28px}.app-topbar-center{display:flex;align-items:center;justify-content:center;min-width:0}.app-topbar-right{display:flex;align-items:center;gap:10px;min-width:0}.topbar-message{max-width:200px;overflow:hidden;color:var(--muted);font-size:.75rem;text-overflow:ellipsis;white-space:nowrap}.topbar-message:empty{display:none}.topbar-message[data-error]{color:var(--danger)}#sync-status{display:inline-flex;align-items:center;min-height:28px;border:1px solid var(--border);border-radius:999px;padding:0 11px;background:var(--surface-soft);color:var(--muted);font-size:.78rem;font-weight:600;white-space:nowrap}#sync-status[data-state=online]{border-color:#0d948840;background:var(--brand-soft);color:var(--brand-strong)}#sync-status[data-state=connecting]{border-color:#c8873c4d;background:var(--warn-soft);color:#995217}#sync-status[data-state=error]{border-color:#dc262640;background:var(--danger-soft);color:var(--danger)}#account-entry,#account-signed-in{display:flex;align-items:center;gap:8px}#account-entry[hidden],#account-signed-in[hidden]{display:none}#account-name{max-width:180px;overflow:hidden;color:var(--muted-strong);font-size:.85rem;font-weight:500;text-overflow:ellipsis;white-space:nowrap}#account-badge{display:inline-flex;align-items:center;justify-content:center;min-height:28px;border:1px solid rgba(13,148,136,.18);border-radius:999px;padding:0 10px;background:var(--brand-soft);color:var(--brand-strong);font-size:.76rem;font-weight:600;white-space:nowrap}.app-body{display:grid;gap:16px}.auth-gate{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:40px 20px}.auth-gate[hidden]{display:none}.auth-gate-panel{max-width:420px;width:100%;text-align:center}.auth-gate-icon{margin-bottom:20px}.auth-gate-icon img{display:block;margin:0 auto}.auth-gate-title{font-size:1.5rem;font-weight:700;margin-bottom:12px;color:var(--ink)}.auth-gate-text{font-size:.92rem;color:var(--muted-strong);line-height:1.6;margin-bottom:28px}.auth-gate-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}.auth-gate-hint{font-size:.82rem;color:var(--muted)}.auth-gate-hint .link-button{font-size:.82rem}.pair-panel{display:grid;gap:14px;border:1px solid var(--border);border-radius:var(--radius);padding:20px;background:var(--surface);box-shadow:var(--shadow-sm)}.pair-panel[hidden],#workspace-content[hidden]{display:none}.pair-header{min-width:0}#pair-title{margin:0;color:var(--ink);font-size:1.05rem;font-weight:650;line-height:1.1;letter-spacing:-.01em}.pair-text{max-width:620px;margin:6px 0 0;color:var(--muted);font-size:.88rem;line-height:1.5}.pair-actions{display:flex;align-items:center;gap:9px}.pair-qr-section{display:grid;grid-template-columns:136px minmax(0,1fr);gap:14px;align-items:center;border-top:1px solid var(--border);padding-top:14px}.pair-qr-section[hidden]{display:none}#pair-qr{width:136px;height:136px;border:1px solid var(--border);border-radius:8px;background:#fff}.pair-link-row{display:flex;gap:8px;min-width:0}.pair-link-input{flex:1;min-width:0;min-height:36px;border:1px solid var(--border);border-radius:7px;padding:0 10px;background:var(--surface-soft);color:var(--muted-strong);font-size:.82rem;outline:none}.pair-link-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #376fd81a}#pair-expiry{grid-column:1 / -1;margin:0;color:var(--muted);font-size:.76rem}.session-label{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;padding:4px 10px;max-width:300px;overflow:hidden;border:1px solid var(--border);background:var(--surface-soft);color:var(--muted-strong);font-size:.76rem;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.workspace{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:18px;align-items:start}.scanner-panel,.sheet-panel{min-width:0;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);padding:20px}.scanner-header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}.scanner-header h3{margin:0;color:var(--ink);font-size:1.05rem;font-weight:650;line-height:1.1;letter-spacing:-.01em}#scan-state{display:inline-flex;align-items:center;justify-content:center;min-height:28px;border:1px solid rgba(13,148,136,.18);border-radius:999px;padding:0 11px;background:var(--brand-soft);color:var(--brand-strong);font-size:.78rem;font-weight:600;white-space:nowrap}#scan-state[data-state=scanning]{border-color:#c8873c4d;background:var(--warn-soft);color:#995217}.scanner-controls{display:grid;grid-template-columns:1fr auto;gap:9px;margin-bottom:12px}#camera-select{width:100%;min-height:38px;border:1px solid var(--border);border-radius:7px;padding:0 11px;background:var(--surface);color:var(--ink);font-size:.88rem;outline:none}#camera-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #376fd81a}.scanner-buttons{display:flex;gap:9px}#scanner-video{width:100%;aspect-ratio:4 / 3;border:1px solid rgba(0,0,0,.08);border-radius:8px;background:#0f1a1e;object-fit:cover}.manual-form{display:grid;grid-template-columns:1fr auto;gap:9px;margin-top:11px}.input{width:100%;min-width:0;min-height:38px;border:1px solid var(--border);border-radius:7px;padding:0 11px;background:var(--surface);color:var(--ink);font-size:.88rem;outline:none}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #376fd81a}.input::placeholder{color:var(--muted)}.textarea{min-height:116px;padding:10px 11px;resize:vertical}.tip{margin:8px 0 0;color:var(--muted);font-size:.78rem;line-height:1.4}.sheet-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}.sheet-stats{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;min-width:0;color:var(--muted);font-size:.82rem}.sheet-stats strong{color:var(--ink);font-weight:650}.sheet-actions{display:flex;flex-wrap:wrap;gap:7px;flex-shrink:0}.sheet-search{margin-bottom:10px}.sheet-search .input{width:100%;border-radius:8px}.sheet-template-toolbar{display:grid;grid-template-columns:minmax(190px,.34fr) minmax(0,1fr);gap:10px 14px;align-items:center;margin-bottom:14px;border:1px solid var(--border);border-radius:8px;padding:12px;background:var(--surface-soft)}.template-group{display:flex;flex-wrap:wrap;gap:8px}.template-button{min-height:32px;border:1px solid var(--border);border-radius:7px;padding:0 12px;background:var(--surface);color:var(--muted-strong);font-size:.78rem;font-weight:600}.template-button:hover,.template-button[data-active]{border-color:#0d948840;background:var(--brand-soft);color:var(--brand-strong)}.sheet-template-toolbar .tip{grid-column:1 / -1;margin:0}.desktop-manual-form{display:flex;gap:8px;margin-bottom:14px}.desktop-manual-form .input{flex:1;min-height:38px}.desktop-manual-form .primary-button{flex-shrink:0}.sheet-table-wrap{position:relative;overflow-x:auto;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.sheet-table{width:100%;min-width:680px;border-collapse:collapse;table-layout:fixed}.sheet-table th,.sheet-table td{border-bottom:1px solid var(--border);padding:9px 10px;text-align:left;vertical-align:middle}.sheet-table th{background:var(--surface-soft);color:var(--muted-strong);font-size:.7rem;font-weight:600;text-transform:uppercase;white-space:nowrap;-webkit-user-select:none;user-select:none}.sheet-table th:nth-child(1),.sheet-table td:nth-child(1){width:32%}.sheet-table th:nth-child(2),.sheet-table td:nth-child(2){width:94px}.sheet-table th:nth-child(3),.sheet-table td:nth-child(3){width:30%}.sheet-table th:nth-child(4),.sheet-table td:nth-child(4){width:146px}.sheet-table th:nth-child(5),.sheet-table td:nth-child(5){width:48px}.sheet-table td{color:var(--ink);font-size:.83rem}.sheet-table tbody tr:last-child td{border-bottom:0}.sheet-table tbody tr:hover{background:var(--surface-soft)}.sortable-th{cursor:pointer}.sort-indicator{display:inline-block;margin-left:4px;color:var(--muted);font-size:.65rem}.sortable-th:hover .sort-indicator{color:var(--muted-strong)}th[data-sorted=asc] .sort-indicator:after{content:"▲";color:var(--brand)}th[data-sorted=desc] .sort-indicator:after{content:"▼";color:var(--brand)}th:not([data-sorted]) .sort-indicator:after{content:"⇅";opacity:.35}#empty-state{display:grid;place-items:center;min-height:120px;gap:3px;color:var(--muted);text-align:center;font-size:.88rem}#empty-state[hidden]{display:none}#empty-state strong{color:var(--ink);font-size:.92rem}.sheet-message{min-height:22px;margin-top:10px;color:var(--muted);font-size:.83rem}.sheet-message:empty{display:none}.sheet-message[data-error]{color:var(--danger)}#desktop-message{min-height:20px;margin:-4px 0 10px}#desktop-message:empty{display:none}.scanner-only-panels{display:none}body[data-role=scanner] .scanner-only-panels{display:grid;gap:10px}#scanner-queue{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid rgba(55,111,216,.15);border-radius:8px;padding:10px 12px;background:var(--accent-soft);color:var(--muted-strong);font-size:.82rem;font-weight:500}#scanner-queue[hidden]{display:none}#queue-status{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#scanner-last-sent{display:grid;gap:3px;border:1px solid rgba(13,148,136,.18);border-radius:8px;padding:10px 12px;background:var(--brand-soft);color:var(--brand-strong)}#scanner-last-sent[hidden]{display:none}#scanner-last-sent span{color:var(--muted);font-size:.7rem;font-weight:600;text-transform:uppercase}#scanner-last-sent strong{color:var(--ink)}#scanner-last-sent small,#last-sent-time{color:var(--muted-strong);font-size:.76rem}.primary-button,.ghost-button,.danger-button,.icon-button{border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;line-height:1;white-space:nowrap;transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease,transform .1s ease}.primary-button{padding:0 20px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;box-shadow:0 4px 14px #0d94884d}.primary-button:hover{background:linear-gradient(135deg,#0f8a80 0%,var(--brand-dark) 100%);box-shadow:0 6px 20px #0d948866}.primary-button:active,.ghost-button:active,.danger-button:active,.icon-button:active{transform:translateY(1px)}.primary-button:disabled,.ghost-button:disabled,.danger-button:disabled,.icon-button:disabled{box-shadow:none;transform:none}.ghost-button{padding:0 13px;border:1px solid var(--border);background:var(--surface);color:var(--muted-strong)}.ghost-button:hover{border-color:#0d948840;background:var(--brand-soft);color:var(--brand-strong)}.danger-button{padding:0 13px;border:1px solid rgba(220,38,38,.22);background:var(--danger-soft);color:var(--danger)}.danger-button:hover{border-color:#dc262652;background:#ffe8e2}.icon-button{width:30px;min-height:30px;border:1px solid var(--border);background:var(--surface);color:var(--muted-strong);font-size:.82rem;line-height:1;display:inline-flex;align-items:center;justify-content:center}.icon-button:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-strong)}.link-button{min-height:32px;padding:0;background:transparent;color:var(--brand-strong);font-size:.85rem;font-weight:600}.link-button:hover{color:var(--accent);text-decoration:underline}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:18px}.modal[hidden]{display:none}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:#12202861;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fadeIn .2s ease-out}.modal-panel{position:relative;display:grid;gap:16px;width:min(460px,100%);max-height:calc(100vh - 36px);overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius);padding:24px;background:var(--surface);box-shadow:var(--shadow-lg);animation:fadeIn .25s ease-out,slideUp .25s ease-out}.auth-panel{width:min(460px,100%)}.modal-header{display:flex;justify-content:flex-end}.modal-close{position:absolute;top:12px;right:12px;width:32px;min-height:32px;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--muted);font-size:1.3rem;line-height:1;display:grid;place-items:center}.modal-close:hover{border-color:var(--border);background:var(--surface-soft);color:var(--ink)}.modal-title{margin:0;color:var(--ink);font-size:1.05rem;font-weight:650;line-height:1.1;letter-spacing:-.01em}.modal-text{margin:0;color:var(--muted);font-size:.85rem;line-height:1.5}.modal-actions{display:flex;justify-content:flex-end;gap:9px}.auth-form{display:grid;gap:12px}.field{display:grid;gap:5px;color:var(--muted-strong);font-size:.76rem;font-weight:600}.field[hidden]{display:none}.field label{line-height:1.2}.field .input,.field select,.field textarea{width:100%;min-width:0}.auth-message{min-height:22px;margin-top:0;font-size:.83rem}.auth-message[data-error]{color:var(--danger)}.auth-links{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}.captcha-card{display:grid;grid-template-columns:200px minmax(0,1fr);gap:14px;align-items:center;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;background:var(--surface-soft);box-shadow:inset 0 1px 2px #0000000a}.captcha-visual{display:grid;place-items:center;width:100%;height:72px;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px;background:var(--surface);overflow:hidden;box-shadow:0 1px 3px #0000000a}.captcha-visual img{width:100%;height:100%;object-fit:contain}.captcha-visual img[hidden],.captcha-visual span[hidden]{display:none}.captcha-visual span{padding:0 12px;color:var(--muted);font-size:.78rem;font-weight:500;text-align:center}.captcha-visual[data-state=error]{border-color:#dc262659;background:var(--danger-soft)}.captcha-visual[data-state=error] span{color:var(--danger)}.captcha-row{display:flex;flex-direction:column;gap:8px}.captcha-row .input{flex:1;min-height:42px;font-size:1rem;letter-spacing:.02em}.captcha-row button{min-height:34px;padding:0 14px;font-size:.78rem;font-weight:600;color:var(--muted-strong);background:transparent;border:1px solid var(--border);border-radius:6px;transition:all .15s ease}.captcha-row button:hover{color:var(--ink);background:var(--surface);border-color:var(--border-strong)}.captcha-row button:active{transform:scale(.98)}.upgrade-form{display:grid;gap:12px}.upgrade-message-status{min-height:22px;font-size:.83rem}.upgrade-message-status[data-error]{color:var(--danger)}#clear-modal .modal-panel{width:min(480px,100%)}#clear-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}#clear-summary>div{min-width:0;border:1px solid var(--border);border-radius:8px;padding:10px;background:var(--surface-soft)}#clear-summary span{display:block;color:var(--muted);font-size:.7rem;font-weight:600;text-transform:uppercase}#clear-summary strong{display:block;overflow:hidden;margin-top:3px;color:var(--ink);font-size:.92rem;text-overflow:ellipsis;white-space:nowrap}body[data-role=scanner] #app{width:min(540px,calc(100% - 24px))}body[data-role=scanner] .workspace{grid-template-columns:1fr}body[data-role=scanner] .sheet-panel{display:none}body[data-role=scanner] .pair-panel{padding:14px}body[data-role=desktop] .workspace{grid-template-columns:1fr}body[data-role=desktop] .scanner-panel{display:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:880px){#app{width:min(100% - 22px,680px);padding-top:18px}.app-topbar{flex-wrap:wrap;gap:10px;padding:10px 14px}.app-topbar-center{order:3;width:100%;justify-content:flex-start}.workspace{grid-template-columns:1fr}.pair-panel{padding:14px;gap:12px}.pair-qr-section{grid-template-columns:1fr;justify-items:center}.pair-link-row{width:100%}.sheet-toolbar{flex-direction:column;gap:10px}.sheet-actions{width:100%;justify-content:stretch}.sheet-actions button{flex:1 1 116px}.sheet-template-toolbar,#clear-summary{grid-template-columns:1fr}.modal-actions{align-items:stretch;flex-direction:column}.modal-actions button{width:100%}.captcha-card{grid-template-columns:1fr}}@media(max-width:560px){#app{width:min(100% - 18px,520px)}.app-topbar{padding:10px 12px}.scanner-panel,.sheet-panel{padding:14px}.scanner-controls{grid-template-columns:1fr}.scanner-buttons{width:100%}.scanner-buttons button{flex:1}.manual-form{grid-template-columns:1fr}.primary-button,.ghost-button,.danger-button{width:100%}.pair-qr-section{gap:10px}#pair-qr{width:128px;height:128px}#clear-summary{grid-template-columns:1fr}}