:root{--bg:#0b1020;--panel:#121a2d;--panel2:#18233a;--text:#f6f8ff;--muted:#9daccc;--line:#283653;--accent:#76a9ff;--ok:#55d98b;--bad:#ff6b79;--warn:#ffd166;--shadow:0 12px 36px rgba(0,0,0,.24)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#0a0f1d,#0e1629 45%,#0b1020);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans JP","Noto Sans SC",sans-serif;min-height:100vh}
button,input,select{font:inherit}button{touch-action:manipulation}a{color:#a9c9ff}.app{max-width:920px;margin:auto;padding:18px 16px 118px}.top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.brand{font-weight:850;letter-spacing:.2px;font-size:20px}.badge{font-size:12px;padding:6px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:#0f1728}.nav{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.nav button{border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:11px 8px;border-radius:12px;cursor:pointer}.nav button.active{background:#1b2b49;color:white;border-color:#3c5f91}.card{background:rgba(18,26,45,.96);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);margin-bottom:12px}.hero{padding:22px}.hero h1{font-size:28px;margin:0 0 8px}.hero p{color:var(--muted);line-height:1.6;margin:0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:15px}.stats-five{grid-template-columns:repeat(5,1fr)}.stat{background:var(--panel2);padding:12px;border-radius:13px;text-align:center}.stat b{font-size:21px;display:block}.stat span{font-size:12px;color:var(--muted)}
.section-title{font-size:15px;color:#c9d5ed;font-weight:750;margin:0 0 11px}.modes{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.mode{padding:15px;border-radius:14px;border:1px solid var(--line);background:#15213a;color:white;text-align:left;cursor:pointer}.mode strong{display:block;font-size:16px;margin-bottom:5px}.mode small{color:var(--muted);line-height:1.45}.mode:hover{border-color:#4f74aa}.filters{display:grid;grid-template-columns:1fr 1fr;gap:8px}.filters select{width:100%;background:#111a2e;color:white;border:1px solid var(--line);border-radius:10px;padding:10px}
.cloud-card{border-color:#33496f}.cloud-status{padding:10px 12px;border-radius:11px;background:#101a2d;border:1px solid var(--line);color:var(--muted);font-size:13px;margin-bottom:12px}.cloud-status.ok{color:#a7f2c6;border-color:#2f6949;background:#113323}.cloud-status.bad{color:#ffc1c7;border-color:#73404a;background:#381d24}.cloud-fields{display:grid;grid-template-columns:1fr;gap:10px}.cloud-fields label{font-size:12px;color:var(--muted);display:grid;gap:6px}.cloud-fields input{width:100%;background:#0e1728;color:white;border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:none}.cloud-fields input:focus{border-color:#5d83bd;box-shadow:0 0 0 3px rgba(118,169,255,.12)}.cloud-actions{margin-top:11px}.smallbtn.primary{background:#244876;border-color:#4d75a9}.cloud-userline{font-size:14px;color:#d6e2f7;padding:4px 0 2px}.cloud-userline strong{color:white}
.quiz-head{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;gap:12px}.progress{height:7px;background:#0d1425;border-radius:99px;overflow:hidden;margin:12px 0 18px}.progress>div{height:100%;background:linear-gradient(90deg,#5b8cff,#8db7ff);width:0}.qmeta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:10px}.pill{font-size:11px;color:#c7d4ec;background:#1a2742;border:1px solid #314261;border-radius:999px;padding:5px 8px}.exam-pill{border-color:#6c5b2f;color:#ffe8a4;background:#2b2719}.question{font-size:23px;font-weight:750;line-height:1.55;min-height:122px;display:flex;align-items:center}.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.ans{height:92px;border-radius:20px;border:1px solid var(--line);font-weight:900;font-size:37px;color:white;cursor:pointer}.ans.o{background:linear-gradient(160deg,#174e36,#1f7750)}.ans.x{background:linear-gradient(160deg,#5c2630,#8c3342)}.ans:disabled{opacity:.5;cursor:default}.feedback{margin-top:14px;border-radius:14px;padding:14px 15px;display:none;line-height:1.55}.feedback.ok{display:block;background:#123b2a;border:1px solid #286948}.feedback.bad{display:block;background:#4b2028;border:1px solid #81404b}.feedback.neutral{display:block;background:#17243d;border:1px solid #3a557f}.feedback .big{font-weight:900;font-size:18px;margin-bottom:5px}.next{margin-top:10px;width:100%;padding:13px;border:1px solid #496a9b;background:#20365a;color:white;border-radius:12px;font-weight:750;display:none;cursor:pointer}.next.show{display:block}.kbd{color:var(--muted);font-size:11px;text-align:center;margin-top:10px}.exam-result{display:flex;flex-direction:column;gap:8px}.exam-result strong{font-size:30px}.exam-result span{font-size:20px;color:#d7e4fb}.exam-breakdown{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.exam-breakdown span{background:#101a2c;border:1px solid var(--line);border-radius:10px;padding:9px;text-align:center}.result-retry{margin-top:12px}
.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.table th{font-size:12px;color:var(--muted)}.table td{font-size:13px;line-height:1.45}.src-note{color:var(--muted)}.danger{border-color:#6e3d48;background:#321b22}.smallbtn{border:1px solid var(--line);background:#18243d;color:white;padding:9px 11px;border-radius:10px;cursor:pointer}.row{display:flex;gap:8px;flex-wrap:wrap}.empty{color:var(--muted);text-align:center;padding:26px}.hidden{display:none!important}.footer-note{color:var(--muted);font-size:12px;line-height:1.55;margin-top:14px}.source-grid{display:grid;gap:10px}.source{border:1px solid var(--line);border-radius:13px;padding:13px;background:#121d33}.source h3{font-size:14px;margin:0 0 5px}.source .meta{font-size:11px;color:#9cb0d1;margin-bottom:7px}.source p{font-size:12px;color:#bdc9df;line-height:1.5;margin:0 0 8px}.source a{font-size:12px}
.settings-hero h2{margin:0 0 7px;font-size:24px}.settings-hero p{margin:0;color:var(--muted);line-height:1.5}.settings-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.settings-stats div{background:#17233a;border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}.settings-stats b{display:block;font-size:22px}.settings-stats span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.danger-zone{border-color:#56313a}.reset-list{display:grid;gap:8px}.reset-row{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);background:#18243d;color:white;border-radius:13px;padding:13px 14px;cursor:pointer}.reset-row span{display:grid;gap:4px}.reset-row strong{font-size:14px}.reset-row small{color:var(--muted);font-size:11px;line-height:1.45}.reset-row>b{font-size:24px;color:#8094b7}.reset-row.destructive{background:#2f1a20;border-color:#75404d}.reset-row.destructive strong{color:#ffc4ca}.settings-dock{position:fixed;z-index:50;left:50%;bottom:max(14px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;align-items:center;gap:8px;padding:11px 17px;border-radius:999px;border:1px solid #5272a2;background:rgba(20,35,61,.94);backdrop-filter:blur(12px);color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.38);cursor:pointer}.settings-dock span{font-size:16px}.settings-dock strong{font-size:13px}
@media(max-width:720px){.stats-five{grid-template-columns:repeat(2,1fr)}.stats-five .stat:last-child{grid-column:span 2}.exam-breakdown{grid-template-columns:1fr}}
@media(max-width:650px){.app{padding:12px 10px 112px}.nav{grid-template-columns:repeat(4,1fr);gap:5px}.nav button{font-size:12px;padding:10px 2px}.hero h1{font-size:23px}.stats{grid-template-columns:repeat(2,1fr)}.stats-five{grid-template-columns:repeat(2,1fr)}.modes{grid-template-columns:1fr}.question{font-size:21px;min-height:145px}.answers{gap:9px}.ans{height:88px}.filters{grid-template-columns:1fr}.table thead{display:none}.table tr{display:block;border-bottom:1px solid var(--line);padding:8px 0}.table td{display:block;border:0;padding:3px 0}.table td:first-child{font-weight:700}.settings-stats{grid-template-columns:1fr 1fr 1fr}.settings-dock{bottom:max(10px,env(safe-area-inset-bottom));padding:10px 15px}}