:root{--red:#b22234;--red-dark:#8e1a2b;--blue:#1d3a8a;--navy:#0a1742;--cream:#fdfdfb;--gold:#d4a017;--ink:#1a1a2e;--muted:#6b7280;--ok:#1a7f4b;--border:#e3e6ef;--shadow:0 6px 20px #0a174214}*{box-sizing:border-box}body{color:var(--ink);background:radial-gradient(circle at 12% 0%, #b222340f, transparent 40%), radial-gradient(circle at 88% 0%, #1d3a8a12, transparent 42%), var(--cream);min-height:100vh;margin:0;font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}.app{max-width:760px;margin:0 auto;padding:0 16px 64px}.site-header{border-bottom:3px solid var(--red);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;padding:22px 4px 18px;display:flex}.brand{align-items:center;gap:12px;display:flex}.flag{font-size:34px;line-height:1}.brand-title{color:var(--navy);letter-spacing:.3px;font-size:22px;font-weight:800}.brand-sub{text-transform:uppercase;letter-spacing:2px;color:var(--red);font-size:12px;font-weight:700}.nav{align-items:center;gap:18px;display:flex}.nav a{color:var(--navy);border-bottom:2px solid #0000;padding:4px 2px;font-weight:600;text-decoration:none}.nav a.active{border-bottom-color:var(--red)}.signout{color:var(--muted)}.content{min-height:50vh}.page-title{color:var(--navy);border-left:5px solid var(--red);padding-left:12px}.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center;padding:40px 0}.btn{cursor:pointer;border:none;border-radius:10px;padding:11px 18px;font-size:15px;font-weight:700;transition:transform 50ms,filter .15s}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:default}.btn.primary{background:var(--blue);color:#fff;width:100%;margin-top:6px}.btn.primary:hover:not(:disabled){filter:brightness(1.08)}.btn.google{color:#333;border:1px solid var(--border);background:#fff;width:100%}.link-btn{color:var(--blue);cursor:pointer;background:0 0;border:none;padding:0;font-weight:600}.field{border:1px solid var(--border);border-radius:10px;width:100%;margin:8px 0;padding:12px 14px;font-size:15px}.field:focus{border-color:var(--blue);outline:2px solid #1d3a8a59}.error-banner{color:var(--red-dark);background:#fdecee;border:1px solid #f3c2c8;border-radius:10px;margin:10px 0;padding:10px 14px}.success-banner{color:var(--ok);background:#e8f6ee;border:1px solid #b6e2c8;border-radius:10px;margin:10px 0;padding:10px 14px}.auth-card{border:1px solid var(--border);max-width:380px;box-shadow:var(--shadow);background:#fff;border-radius:16px;margin:16px auto;padding:26px}.auth-title{color:var(--navy);text-align:center;margin:0 0 16px}.divider{text-align:center;color:var(--muted);margin:14px 0;font-size:13px;position:relative}.switch{text-align:center;margin-top:16px}.signin-prompt{margin-bottom:28px}.progress-card{border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;border-radius:14px;margin-bottom:22px;padding:18px}.progress-top{justify-content:space-between;align-items:center;margin-bottom:10px;font-size:15px;display:flex}.points-pill{background:var(--gold);color:#3a2c00;border-radius:999px;padding:3px 12px;font-size:13px;font-weight:800}.progress-bar{background:#eef0f6;border-radius:999px;height:12px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--red), var(--blue));height:100%;transition:width .4s}.finale{text-align:center;color:var(--red);margin:12px 0 0;font-weight:800}.accordion{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.acc-item{border:1px solid var(--border);border-left:5px solid var(--blue);box-shadow:var(--shadow);background:#fff;border-radius:12px;overflow:hidden}.acc-item.done{border-left-color:var(--ok)}.acc-item.pending{border-left-color:var(--gold)}.acc-header{cursor:pointer;text-align:left;width:100%;font:inherit;background:0 0;border:none;align-items:center;gap:10px;padding:15px 16px;display:flex}.acc-header:hover{background:#fafbff}.challenge-num{background:var(--navy);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;font-weight:800;display:inline-flex}.acc-title{color:var(--navy);flex:1;min-width:0;font-size:16px;font-weight:700}.challenge-points{color:var(--gold);white-space:nowrap;font-size:13px;font-weight:800}.chevron{color:var(--muted);font-size:20px;line-height:1;transition:transform .2s}.chevron.open{transform:rotate(180deg)}.type-tag{text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:800}.type-tag.honor{color:var(--blue);background:#e8eefc}.type-tag.trivia{color:var(--red-dark);background:#fdeaf0}.type-tag.peer{color:#7a5b00;background:#fff3d6}.status-badge{white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:800}.status-badge.complete{color:var(--ok);background:#e8f6ee}.status-badge.pending{color:#7a5b00;background:#fff3d6}.status-badge.none{color:var(--muted);background:#f0f1f5}.acc-body{border-top:1px solid var(--border);padding:4px 18px 18px}.challenge-desc{color:var(--ink);margin:12px 0 0;font-size:15px;line-height:1.5}.history-callout{border:1px solid #e1e7f7;border-left:4px solid var(--gold);background:linear-gradient(#f7f9ff,#fbfcff);border-radius:10px;margin:14px 0;padding:12px 14px}.history-head{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.history-icon{font-size:16px}.history-event{color:var(--navy);font-weight:800}.history-year{color:var(--red-dark);background:#fdeaf0;border-radius:999px;padding:1px 8px;font-size:12px;font-weight:700}.history-summary{color:var(--muted);margin:8px 0 0;font-size:14px;line-height:1.5}.control-area{margin-top:14px}.control-row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.btn.toggle{background:var(--red);color:#fff;white-space:nowrap}.btn.toggle.done{background:var(--ok)}.btn.slim{width:auto;margin-top:0;padding:10px 16px}.solved{color:var(--ok);font-weight:800}.trivia-control{flex-direction:column;gap:8px;max-width:360px;display:flex}.trivia-control .field{margin:0}.trivia-msg{color:var(--red-dark);margin:2px 0 0;font-size:13px}.peer-control{flex-direction:column;gap:14px;display:flex}.verify-box{border:1px dashed var(--border);background:#fafbff;border-radius:10px;padding:12px 14px}.verify-title{color:var(--navy);margin-bottom:8px;font-size:14px;font-weight:800}.verify-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.verify-list li{justify-content:space-between;align-items:center;gap:12px;display:flex}.btn.confirm{background:var(--blue);color:#fff;padding:6px 14px;font-size:13px}.leaderboard{border-collapse:collapse;width:100%;box-shadow:var(--shadow);background:#fff;border-radius:12px;overflow:hidden}.leaderboard th,.leaderboard td{text-align:left;border-bottom:1px solid var(--border);padding:13px 16px}.leaderboard th{background:var(--navy);color:#fff;text-transform:uppercase;letter-spacing:1px;font-size:13px}.leaderboard td.rank{width:56px;font-weight:800}.leaderboard td.pts{color:var(--blue);font-weight:800}.leaderboard tr.top td{background:#fffdf3}.profile{max-width:440px}.label{color:var(--navy);margin-top:8px;font-weight:700;display:block}.account-email{margin-top:22px}.site-footer{text-align:center;color:var(--muted);border-top:1px solid var(--border);margin-top:48px;padding-top:18px;font-size:13px}@media (width<=540px){.acc-header{flex-wrap:wrap}.btn.toggle{width:100%}.site-header{text-align:center;justify-content:center}}