/* public/assets/style.css */
:root{--blue:#0068B7;--blue2:#0a82d9;--pale:#E8F2FA;--ink:#17202a;--muted:#66717d;--line:#dfe6ec;--bg:#f5f8fb;--ok:#0b7a43;--ng:#b42318;--shadow:0 10px 30px rgba(30,55,80,.08)}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Yu Gothic","YuGothic",Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}.hidden{display:none!important}
.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1120px)/2));position:sticky;top:0;z-index:20}.brand{font-weight:800;color:var(--blue);letter-spacing:.02em}.top-actions{display:flex;gap:8px}.ghost{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;cursor:pointer}
main{max-width:1120px;margin:0 auto;padding:28px 18px 64px}.hero{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.hero h1{margin:0;font-size:clamp(24px,4vw,36px)}.hero p{margin:5px 0 0;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0 24px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}.stat span{display:block;color:var(--muted);font-size:13px}.stat b{font-size:28px;color:var(--blue)}
.grid{display:grid;grid-template-columns:1.35fr .85fr;gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.card h2{margin:0 0 16px;font-size:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label,.field-title{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.field select{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:16px}.priority-box{display:flex;gap:8px;flex-wrap:wrap}.priority-box label{border:1px solid var(--line);border-radius:999px;padding:8px 12px;cursor:pointer}.priority-box input{margin-right:5px}.primary{border:0;background:var(--blue);color:#fff;border-radius:12px;padding:13px 18px;font-weight:800;font-size:16px;cursor:pointer}.primary:hover{background:var(--blue2)}.full{width:100%;margin-top:16px}
.cat-row{display:grid;grid-template-columns:minmax(0,1fr) 110px 42px;gap:8px;align-items:center;margin:12px 0}.cat-row>div:first-child{display:flex;justify-content:space-between;gap:8px;font-size:12px}.cat-row span{color:var(--muted)}.bar{height:8px;background:#edf1f5;border-radius:999px;overflow:hidden}.bar i{display:block;height:100%;background:var(--blue);border-radius:inherit}.cat-row b{text-align:right;font-size:12px}
.study-wrap{max-width:760px;margin:0 auto}.question-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.meta{display:flex;gap:7px;flex-wrap:wrap}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:#f0f4f7;color:#4d5b68;font-size:12px;font-weight:700}.imp-A{background:#ffe7e5;color:#9b1c13}.imp-B{background:#fff2cf;color:#7a5100}.imp-C{background:#e8f2fa;color:#005893}.imp-D{background:#eef0f2;color:#555}.qtext{font-size:clamp(19px,3.6vw,26px);line-height:1.65;margin:22px 0}.choices{display:grid;gap:10px}.choice{width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:13px;padding:15px 16px;font-size:16px;cursor:pointer}.choice:hover:not(:disabled){border-color:var(--blue);background:#f7fbff}.choice.selected{border-color:var(--blue)}.choice.correct{border-color:#65b58c;background:#ecf8f2}.choice.wrong{border-color:#ea8c86;background:#fff2f1}.rating{margin-top:16px;padding:14px;border-radius:14px;background:var(--pale)}.rating-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.rating button{padding:10px;border:1px solid #bdd8eb;background:#fff;border-radius:10px;cursor:pointer}.feedback{margin-top:16px;padding:16px;border-radius:14px}.feedback.ok{background:#ecf8f2;border:1px solid #b9e1cc}.feedback.ng{background:#fff1f0;border:1px solid #f3c3c0}.feedback h3{margin:0}.source,.review{font-size:13px;color:var(--muted)}
.result{text-align:center;max-width:520px;margin:40px auto}.big-score{font-size:50px;font-weight:900;color:var(--blue)}.result p{font-size:24px}.data-actions{display:flex;gap:8px;flex-wrap:wrap}.file-btn{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;cursor:pointer}.file-btn input{display:none}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#f5faff,#edf5fb)}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.login-card .logo{font-size:28px;font-weight:900;color:var(--blue)}.login-card p{color:var(--muted)}.login-card label{display:block;font-weight:700;font-size:13px;margin:14px 0 5px}.login-card input{width:100%;padding:13px;border:1px solid var(--line);border-radius:11px;font-size:16px}.error{color:var(--ng);min-height:24px}
@media(max-width:760px){.stats{grid-template-columns:1fr 1fr}.grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.rating-buttons{grid-template-columns:1fr}.hero{display:block}.card{padding:17px}.topbar{height:56px}.qtext{margin:18px 0}.cat-row{grid-template-columns:minmax(0,1fr) 80px 38px}}