:root{--bg:#f6f1ea;--panel:#fffdfa;--line:#e3d9cc;--ink:#3d342c;--muted:#8b7d6d;--accent:#a9714b;--accent-soft:#f0e2d6;--ok:#4c8a5a;--no:#c07a7a;--sel:#2f6f8f}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font:14px/1.45 Segoe UI,system-ui,-apple-system,sans-serif}a{color:var(--accent)}button,.btn{font:inherit;border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;border-radius:7px;padding:6px 11px;text-decoration:none;display:inline-block}button:hover:not(:disabled),.btn:hover{background:var(--accent-soft);border-color:var(--accent)}button.primary,.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){filter:brightness(1.08)}button.danger:hover:not(:disabled){border-color:var(--no);color:#8d4444;background:#f7e4e4}button:disabled{opacity:.45;cursor:not-allowed}input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],select{font:inherit;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:6px;min-width:0;padding:6px 9px}input[type=file]{display:none}.hint{color:var(--muted);font-size:12px}.error{color:#8d4444;background:#f9e9e9;border:1px solid #e6c8c8;border-radius:7px;padding:8px 11px;font-size:13px}.row{align-items:center;gap:8px;display:flex}.lbl{color:var(--muted);white-space:nowrap;align-items:center;gap:4px;font-size:11px;display:flex}.spinner{color:var(--muted);text-align:center;padding:30px}.center-page{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;width:100%;max-width:420px;padding:26px;box-shadow:0 2px 18px #0000000f}.card h1{margin:0 0 4px;font:600 22px/1.2 Georgia,serif}.card form{flex-direction:column;gap:12px;margin-top:18px;display:flex}.card label{color:var(--muted);flex-direction:column;gap:4px;font-size:12px;display:flex}.card input{font-size:14px}.appbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:10px;padding:9px 14px;display:flex}.appbar h1{margin:0;font:600 17px/1 Georgia,serif}.appbar h1 small{color:var(--muted);margin-top:3px;font:400 11px/1.4 Segoe UI,sans-serif;display:block}.sep{background:var(--line);width:1px;height:30px}.right{align-items:center;gap:9px;min-width:0;margin-left:auto;display:flex}#stats{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.container{max-width:900px;margin:0 auto;padding:26px 20px 60px}.container h2{text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:26px 0 10px;font:600 15px/1 Segoe UI,sans-serif}.tiles{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;display:grid}.tile{background:var(--panel);border:1px solid var(--line);color:inherit;border-radius:10px;padding:15px;text-decoration:none;display:block}.tile:hover{border-color:var(--accent);background:#fff}.tile strong{margin-bottom:3px;font-size:15px;display:block}.inline-form{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.planner{align-items:stretch;height:calc(100vh - 53px);display:flex}#planArea{cursor:grab;background:repeating-conic-gradient(#efe8df 0% 25%,#f6f1ea 0% 50%) 50%/22px 22px;flex:1;position:relative;overflow:auto}#planArea.panning{cursor:grabbing}#planArea.panning .table{pointer-events:none}#planWrap{width:max-content;margin:16px;position:relative;box-shadow:0 2px 14px #0000001f}#planImg{-webkit-user-select:none;user-select:none;-webkit-user-drag:none;display:block}.empty-plan{text-align:center;color:var(--muted);justify-content:center;align-items:center;padding:30px;display:flex;position:absolute;inset:0}.table{border:2px solid var(--accent);cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;background:#ffffffe0;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute}.table.round{border-radius:50%}.table.active{border-width:3px;border-color:var(--sel);box-shadow:0 0 0 3px #2f6f8f40}.table.full{background:#d5eed8e6}.table b{pointer-events:none;font:600 15px/1 Segoe UI,sans-serif}.table span{color:var(--muted);pointer-events:none;margin-top:2px;font:11px/1.2 Segoe UI,sans-serif}.table .grip{cursor:nwse-resize;touch-action:none;width:30px;height:30px;position:absolute;bottom:-15px;right:-15px}.table .grip:after{content:"";border:2px solid var(--accent);background:#fff;border-radius:50%;position:absolute;inset:6px;box-shadow:0 1px 3px #00000059}.table .grip:hover:after{background:var(--accent-soft);inset:3px}.table.round .grip{bottom:calc(14.64% - 15px);right:calc(14.64% - 15px)}.table.active .grip:after{border-color:var(--sel)}.side{background:var(--panel);border-left:1px solid var(--line);flex-direction:column;width:390px;min-width:390px;display:flex}.tabs{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:5px;max-height:110px;padding:9px;display:flex;overflow:auto}.tab{border:1px solid var(--line);cursor:pointer;white-space:nowrap;background:#fff;border-radius:14px;padding:4px 9px;font-size:12px}.tab:hover{background:var(--accent-soft)}.tab.active{background:var(--sel);border-color:var(--sel);color:#fff}.tab .c{opacity:.7;font-size:11px}.box{border-bottom:1px solid var(--line);padding:11px 12px}.box h2{text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:0 0 8px;font:600 13px/1 Segoe UI,sans-serif}.box .row input[type=text]{flex:1}.seats{max-height:230px;margin:6px 0 0;padding:0;list-style:none;overflow:auto}.seats li{border-radius:6px;align-items:center;gap:7px;padding:4px 6px;display:flex}.seats li:nth-child(odd){background:#faf6f1}.seats .n{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.seats .idx{color:var(--muted);text-align:right;width:16px;font-size:11px}.guest-list{flex:1;padding:0 12px 14px;overflow:auto}.guest-list .g{border-bottom:1px solid #f1eae1;align-items:center;gap:8px;padding:5px 6px;display:flex}.guest-list .g .n{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.guest-list .g input[type=text]{flex:1}.dot{border-radius:50%;flex:none;width:8px;min-width:8px;height:8px}.dot.conf{background:var(--ok)}.dot.naoconf{border:1.5px solid var(--no);background:#f0dede}.dot.clic{cursor:pointer}.dot.clic:hover{outline:2px solid var(--accent-soft);outline-offset:2px}.badge{border:1px solid var(--line);cursor:pointer;white-space:nowrap;background:#fff;border-radius:11px;padding:1px 7px;font-size:11px}.badge:hover{background:var(--accent-soft);border-color:var(--accent)}.mini{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;flex:none;width:24px;height:22px;padding:0;line-height:1}.mini:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent)}.off{color:var(--muted);font-style:italic}.toast{color:#fff;z-index:50;background:#3d342c;border-radius:8px;max-width:80vw;padding:8px 15px;font-size:13px;position:fixed;bottom:22px;left:50%;transform:translate(-50%)}.toast.err{background:#8d4444}.modal-backdrop{z-index:40;background:#3d342c73;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--panel);border:1px solid var(--line);border-radius:12px;width:100%;max-width:520px;padding:22px;box-shadow:0 8px 40px #0003}.modal h2{margin:0 0 8px;font:600 17px/1.2 Georgia,serif}.modal .row input[type=text]{flex:1;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.help{max-width:940px;margin:0 auto;padding:0 20px 70px}.help-hero{border-bottom:1px solid var(--line);padding:46px 0 30px}.help-kicker{letter-spacing:1.4px;text-transform:uppercase;color:var(--accent);margin:0;font-size:12px}.help-hero h1{margin:8px 0 10px;font:600 34px/1.15 Georgia,serif}.help-hero p{color:var(--muted);max-width:60ch;margin:0 0 18px}.help-section{border-bottom:1px solid var(--line);padding:34px 0}.help-section>h2{text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin:0 0 16px;font:600 13px/1 Segoe UI,sans-serif}.help-h3{margin:30px 0 12px;font:600 16px/1.2 Georgia,serif}.help-lead{max-width:70ch;margin:0 0 18px}.help code{background:var(--accent-soft);border-radius:4px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.steps{gap:14px;margin:0;padding:0;list-style:none;display:grid}.steps li{background:var(--panel);border:1px solid var(--line);border-radius:10px;gap:14px;padding:15px 17px;display:flex}.step-n{background:var(--accent);color:#fff;border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-size:14px;font-weight:600;display:grid}.steps h3{margin:3px 0 5px;font-size:15px}.steps p{color:var(--muted);max-width:72ch;margin:0}.steps b{color:var(--ink)}.diagram{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:center;gap:22px;display:grid}.diagram svg{border:1px solid var(--line);background:var(--panel);border-radius:10px;width:100%;height:auto}.diagram .d-num{fill:var(--ink);font:600 22px Segoe UI,sans-serif}.diagram .d-sub{fill:var(--muted);font:12px Segoe UI,sans-serif}.diagram .d-faint{fill:#b9ab99;letter-spacing:1px;font:12px Segoe UI,sans-serif}.diagram .d-call line{stroke:var(--accent);stroke-width:1.5px;stroke-dasharray:4 3}.diagram .d-call circle{fill:var(--accent)}.diagram .d-call text{fill:#fff;font:600 12px Segoe UI,sans-serif}.legend{gap:12px;margin:0;padding:0;list-style:none;display:grid}.legend li{color:var(--muted);gap:10px;font-size:13px;display:flex}.legend b{color:var(--ink)}.legend-key{background:var(--accent);color:#fff;border-radius:50%;flex:none;place-items:center;width:22px;height:22px;font-size:11px;font-weight:600;display:grid}.csv-compare{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;display:grid}.csv-compare figure{min-width:0;margin:0}.csv-compare figcaption{color:var(--muted);margin-bottom:8px;font-size:12px}.csv-arrow{color:var(--accent);font-size:26px}.sheet{border-collapse:collapse;border:1px solid var(--line);background:#fff;border-radius:8px;width:100%;font-size:12.5px;overflow:hidden}.sheet th,.sheet td{text-align:left;border:1px solid #ece3d7;padding:5px 8px}.sheet thead th,.sheet tbody th{color:var(--muted);text-align:center;background:#f4ece2;width:26px;font-weight:600}.sheet .corner{width:26px}.sheet .head{font-weight:600}.sheet .num{text-align:center;font-variant-numeric:tabular-nums}.code{color:#f4ece2;background:#322b24;border-radius:8px;margin:0;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;line-height:1.7;overflow-x:auto}.cards{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;display:grid}.help-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.help-card h3{margin:0 0 6px;font-size:14px}.help-card p{color:var(--muted);margin:0;font-size:13px}.mini-steps{color:var(--muted);margin:0;padding-left:18px;font-size:13px}.mini-steps li{margin-bottom:4px}.inline-dot{vertical-align:middle;display:inline-block}.callout{border:1px solid #d9e5d7;border-left:4px solid var(--ok);background:#f4f7f3;border-radius:8px;margin-top:20px;padding:14px 18px}.callout.warn{border-color:#eed7cc;border-left-color:var(--no);background:#fbf3f0}.callout h3{margin:0 0 8px;font-size:14px}.callout ul{color:var(--muted);margin:0;padding-left:18px;font-size:13px}.callout li{margin-bottom:5px}.help-footer{padding-top:30px}@media (max-width:760px){.diagram,.csv-compare{grid-template-columns:1fr}.csv-arrow{display:none}}