:root{--bg:#f6f8f5;--fg:#17201a;--accent:#2f6b4f;--accent-soft:#e4efe7;--line:#dbe2d9;--muted:#56635b;--panel:#fff;--panel-2:#eef1ec;--bad:#9c3b3b;--ink:#16232e;--warn:#8a5a12;
--font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 var(--font)}
a{color:var(--accent)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px;background:var(--ink);color:#fff;position:sticky;top:0;z-index:10;flex-wrap:wrap}
.brand{color:#fff;text-decoration:none;font-weight:700;letter-spacing:.04em}
.brand span{font-weight:400;opacity:.75;margin-left:6px;letter-spacing:0}
#nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:14px}
#nav a,#nav button{color:#fff;opacity:.85;text-decoration:none;background:none;border:0;cursor:pointer;font:inherit;padding:0}
#nav a:hover,#nav button:hover{opacity:1;text-decoration:underline}
main{max-width:1240px;margin:0 auto;padding:20px}
.pad{padding:20px}
.muted{color:var(--muted)}
.small{font-size:13px}
h1{font-size:24px;margin:4px 0 6px}
h2{font-size:19px;margin:22px 0 8px}
h3{font-size:16px;margin:16px 0 6px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px;margin:14px 0}
.narrow{max-width:460px;margin:40px auto}
label{display:block;font-weight:600;margin:12px 0 4px;font-size:14px}
.help{display:block;font-weight:400;color:var(--muted);font-size:12.5px}
input,select,textarea{width:100%;font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--fg)}
textarea{min-height:64px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
input[readonly],textarea[readonly],select:disabled{background:var(--panel-2);color:var(--fg)}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:7px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.bad{background:var(--bad)}
.btn:disabled{opacity:.5;cursor:default}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.err{color:var(--bad);margin-top:8px;min-height:1em}
.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin:14px 0 0}
.tabs a{padding:8px 12px;text-decoration:none;color:var(--muted);border:1px solid transparent;border-bottom:0;border-radius:7px 7px 0 0;font-size:14px}
.tabs a.on{background:var(--panel);color:var(--fg);border-color:var(--line);font-weight:600;margin-bottom:-1px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:4px 18px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:12px 0}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px}
.stat b{display:block;font-size:24px}
.stat span{font-size:12.5px;color:var(--muted)}
.ladder{list-style:none;padding:0;margin:8px 0;display:grid;gap:4px}
.ladder li{padding:6px 10px;border-radius:6px;background:var(--panel-2);font-size:13.5px}
.ladder li.hit{background:var(--accent);color:#fff;font-weight:600}
.ladder li.zero{opacity:.7;font-style:italic}
.block{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:var(--panel);margin:10px 0}
.block.opt{background:var(--panel-2)}
.block h3{margin:0 0 4px}
.tag{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:20px;background:var(--accent-soft);color:var(--accent);font-weight:600;margin-left:6px;vertical-align:middle}
.tag.grey{background:var(--line);color:var(--muted)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
table{border-collapse:collapse;width:100%}
th,td{border-bottom:1px solid var(--line);padding:6px;vertical-align:top;text-align:left;font-size:13.5px}
th{background:var(--panel-2);font-weight:600;white-space:nowrap;position:sticky;top:0}
td input,td select,td textarea{min-width:150px;padding:6px 7px;font-size:13.5px}
td textarea{min-width:220px;min-height:54px}
td.num{white-space:nowrap;color:var(--muted)}
.meta{display:block;font-size:11px;color:var(--muted);margin-top:2px;min-height:13px}
.editing{outline:2px dashed #c08a2b;outline-offset:1px}
.banner{background:var(--accent-soft);border:1px solid #bcd6c4;border-radius:10px;padding:10px 14px;margin:10px 0}
.banner.warn{background:#fbf1de;border-color:#e8cf9f}
.who{display:flex;gap:6px;flex-wrap:wrap}
.pill{font-size:12px;padding:2px 9px;border-radius:20px;background:var(--panel-2);border:1px solid var(--line)}
.pill.on::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#3a9a62;margin-right:5px;vertical-align:middle}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:700;letter-spacing:.12em;background:var(--panel-2);padding:2px 8px;border-radius:5px}
.big-code{font-size:22px;letter-spacing:.3em;text-align:center}
#toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:8px 16px;border-radius:8px;font-size:14px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:50}
#toast.show{opacity:1}
.save{font-size:12.5px;color:var(--muted)}
.score{font-size:18px;font-weight:700}
.win{background:var(--accent-soft)}
ul.guide{margin:6px 0 0 18px;padding:0}
ul.guide li{margin:4px 0}
.src{font-size:12.5px;color:var(--muted);margin-top:10px}
@media print{.top,.tabs,.btn,#toast{display:none!important}main{max-width:none}}