:root{
  --bg:#f2f5f9; --card:#ffffff; --ink:#1f2937; --muted:#6b7280;
  --green:#16a34a; --green-bg:#dcfce7; --purple:#7c3aed; --purple-bg:#ede9fe;
  --blue:#2563eb; --red:#dc2626; --amber:#b45309; --amber-bg:#fef3c7;
  --radius:14px; --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 14px rgba(0,0,0,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(160deg,#eef2f7,#e6ecf5 60%,#eef2f7);color:var(--ink);min-height:100vh}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #93c5fd;border-color:#60a5fa}
form.inline{display:inline}

/* ---------- login ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-wrap{width:100%;max-width:400px}
.login-card{background:var(--card);border-radius:18px;box-shadow:var(--shadow);padding:32px 28px;text-align:center}
.login-card h1{margin:8px 0 2px;font-size:1.3rem}
.login-card .sub{margin:0 0 18px;color:var(--muted);font-size:.9rem}
.login-card .lock{font-size:2.4rem}
.login-card input,.login-card select{width:100%;margin-bottom:12px;text-align:left}
.btn-primary{background:var(--blue);color:#fff;border:none;border-radius:9px;padding:10px 16px;font-weight:600;width:100%}
.btn-primary:hover{filter:brightness(1.08)}
.err{background:#fee2e2;color:var(--red);border-radius:8px;padding:8px 12px;font-size:.85rem;margin-bottom:12px}
.tiny{font-size:.78rem;color:var(--muted);margin-top:14px}
.ltabs{display:flex;gap:6px;margin-bottom:18px;justify-content:center}
.ltab{text-decoration:none;background:#e3e9f2;border-radius:999px;padding:7px 16px;font-weight:600;color:#3f4a5a;font-size:.88rem}
.ltab.active{background:var(--ink);color:#fff}

/* ---------- shell ---------- */
#app{max-width:980px;margin:0 auto;padding:18px 14px 60px}
header{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:6px}
header h1{font-size:1.25rem;margin:0}
.daybar{color:var(--muted);font-size:.84rem;margin-bottom:14px}
.hbtns{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.userchip{background:#fff;border:1px solid #e2e8f0;border-radius:999px;padding:7px 14px;font-weight:600;font-size:.85rem}
.btn-ghost{display:inline-block;background:#fff;border:1px solid #d1d5db;border-radius:9px;padding:8px 12px;font-weight:600;text-decoration:none;color:var(--ink);font-size:.9rem}
.btn-ghost:hover{background:#f3f4f6}
.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.tab{text-decoration:none;background:#e3e9f2;border-radius:999px;padding:8px 18px;font-weight:600;color:#3f4a5a;font-size:.9rem}
.tab.active{background:var(--ink);color:#fff}
.flash{background:var(--green-bg);color:#166534;border-radius:10px;padding:10px 14px;font-weight:600;font-size:.9rem;margin-bottom:14px}

/* ---------- cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}
.pcard{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}
.pcard.solo{max-width:560px}
.phead{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:1.05rem;flex-shrink:0}
.phead h2{margin:0;font-size:1.05rem}
.pmeta{font-size:.78rem;color:var(--muted)}
.chore{border-top:1px solid #f1f3f6;padding:9px 0}
.chore-top{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.cname{font-weight:600;font-size:.95rem}
.badge{font-size:.66rem;font-weight:700;padding:2px 8px;border-radius:999px;letter-spacing:.02em}
.bA{background:var(--green-bg);color:var(--green)}
.bB{background:var(--purple-bg);color:var(--purple)}
.bF{background:#eef1f5;color:var(--muted);font-weight:600}
.bW{background:var(--amber-bg);color:var(--amber)}
.done-line{color:var(--green);font-size:.8rem;margin-top:4px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.undo{background:none;border:none;color:var(--muted);font-size:.8rem;padding:0 2px}
.undo:hover{color:var(--red)}
.sigform{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.sigform input{flex:1;min-width:150px;padding:6px 9px;font-size:.86rem}
.btn-done{background:#fff;border:1.5px solid var(--green);color:var(--green);border-radius:8px;padding:5px 12px;font-weight:600;font-size:.85rem}
.btn-done:hover{background:var(--green-bg)}
.empty{color:var(--muted);font-size:.9rem;padding:6px 0}
.progress{height:6px;background:#eef1f5;border-radius:99px;overflow:hidden;margin-top:2px}
.progress i{display:block;height:100%;background:var(--green);border-radius:99px}

/* ---------- history / tables ---------- */
.hday,.mcard{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;margin-bottom:14px}
.mcard.narrow{max-width:440px}
.hday h3,.mcard h3{margin:0 0 8px;font-size:1rem}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;padding:6px 8px 6px 0}
td{padding:7px 8px 7px 0;border-top:1px solid #f1f3f6;vertical-align:middle}
.ok{color:var(--green);font-weight:600}
.miss{color:var(--red);font-weight:600}
.sig{font-style:italic;color:var(--muted)}
.hint{color:var(--muted);font-size:.83rem;margin:0 0 12px}
.note{font-size:.78rem;color:var(--muted);margin-top:10px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.stack{display:flex;flex-direction:column;gap:10px;max-width:360px}
.btn-add{background:var(--ink);color:#fff;border:none;border-radius:8px;padding:8px 16px;font-weight:600}
.btn-mini{background:#fff;border:1px solid #d1d5db;border-radius:7px;padding:4px 10px;font-weight:600;font-size:.8rem}
.btn-mini.on{border-color:var(--green);color:var(--green);background:var(--green-bg)}
.del{background:none;border:none;color:var(--muted);font-size:1.05rem}
.del:hover{color:var(--red)}
.ctable td input[type=text]{width:100%;min-width:150px}
.ctable td input[type=number]{width:64px}
.sep{border:none;border-top:1px solid #eef1f5;margin:14px 0}

/* ---------- messages ---------- */
.msgform{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.msgform textarea{flex:1;min-width:220px;resize:vertical}
.msg{border-top:1px solid #f1f3f6;padding:10px 0}
.msg-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.msg-body{margin-top:3px;font-size:.93rem;white-space:pre-wrap}

/* ---------- new features ---------- */
.alert-red{display:block;background:#dc2626;color:#fff;border-radius:12px;padding:12px 16px;font-weight:700;font-size:.95rem;margin-bottom:14px;text-decoration:none;box-shadow:var(--shadow);animation:pulse 1.6s infinite}
.alert-amber{display:block;background:var(--amber-bg);color:var(--amber);border-radius:12px;padding:10px 16px;font-weight:600;font-size:.9rem;margin-bottom:14px;text-decoration:none}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.82}}
.tab-alert{background:#fee2e2;color:var(--red)}
.badge.bR{background:#fee2e2;color:var(--red)}
.oreo{text-align:center;padding:26px 18px}
.oreo-dog{font-size:3rem}
.oreo-big{font-size:1.6rem;font-weight:800;margin:6px 0 2px}
.oreo-warn{margin-top:10px;color:var(--red);font-weight:800;font-size:1.05rem}
.oreo-bad{outline:3px solid #fca5a5}
.btn-paw{background:var(--green);color:#fff;border:none;border-radius:12px;padding:14px 22px;font-weight:700;font-size:1.05rem;box-shadow:var(--shadow)}
.btn-paw:hover{filter:brightness(1.06)}
.listing{border-top:1px solid #f1f3f6;padding:12px 0}
.listing .chore-top{gap:8px}
.price{font-weight:800;color:#166534;background:var(--green-bg);padding:2px 10px;border-radius:999px;font-size:.9rem}
.countdown{min-width:110px;text-align:center}
.lvl{display:block;font-size:.9rem;padding:6px 10px;background:#f7f9fc;border-radius:8px}
a.badge{text-decoration:none}

@media (max-width:560px){ header{flex-direction:column;align-items:flex-start} }
/* ---------- v3: weekly chores, verification, money ---------- */
.wk-sep{margin-top:12px;padding:6px 10px;background:#eff6ff;color:#1d4ed8;border-radius:8px;font-weight:700;font-size:.8rem}
.badge.bWk{background:#dbeafe;color:#1d4ed8}
.wkchore{background:#f8fafc;border-radius:8px;padding:9px 10px;margin-top:6px;border-top:none}
.wait-line{color:var(--amber);font-size:.8rem;margin-top:4px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;background:var(--amber-bg);border-radius:8px;padding:6px 10px}
.btn-verify{background:var(--green);color:#fff;border:none;border-radius:7px;padding:4px 12px;font-weight:700;font-size:.8rem}
.btn-verify:hover{filter:brightness(1.07)}
.oreoform{display:flex;gap:5px;align-items:center;flex-wrap:wrap;font-size:.78rem;color:var(--muted)}
.oreoform input[type=number]{width:56px;padding:3px 6px;font-size:.8rem}
.oreoform label{white-space:nowrap}