:root{--navy:#07192f;--navy2:#102c53;--blue:#2568ea;--blue2:#4aa8ff;--cyan:#54d6ff;--ink:#102238;--muted:#64758e;--bg:#f3f7fd;--white:#fff;--line:#e1e8f4;--soft:#edf4ff;--green:#0a9474;--gold:#d18b19;--radius:22px;--shadow:0 12px 32px rgba(7,25,47,.08)}
*{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif;line-height:1.6;word-break:keep-all}button,a{font:inherit}button{border:0;cursor:pointer}a{text-decoration:none;color:inherit}.app-shell{min-height:100dvh;max-width:560px;margin:0 auto;background:var(--bg);position:relative;box-shadow:0 0 0 1px rgba(13,32,64,.04)}
.app-header{height:66px;position:sticky;top:0;z-index:20;background:rgba(243,247,253,.94);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:10px 17px;border-bottom:1px solid rgba(225,232,244,.7)}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(140deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:14px;box-shadow:0 8px 18px rgba(37,104,234,.26)}.brand strong{display:block;font-size:13px;letter-spacing:-.04em;color:var(--navy)}.brand span{display:block;font-size:10.5px;color:var(--muted);font-weight:700}.icon-btn{background:var(--navy);color:#fff;font-size:12px;font-weight:800;padding:8px 13px;border-radius:999px}
.app-main{padding:12px 14px calc(84px + env(safe-area-inset-bottom))}.view{display:none}.view.active{display:block}.hero-card{background:linear-gradient(148deg,#07192f 0%,#123764 59%,#2568ea 100%);color:#fff;border-radius:28px;padding:25px 21px 22px;overflow:hidden;position:relative;box-shadow:0 20px 48px rgba(7,25,47,.18)}.hero-card:after{content:"";position:absolute;width:220px;height:220px;right:-100px;top:-86px;background:rgba(84,214,255,.16);border-radius:50%}.hero-tag{display:inline-flex;border-radius:999px;padding:5px 11px;font-size:11px;font-weight:800;color:#bce8ff;border:1px solid rgba(124,208,255,.32);background:rgba(37,104,234,.23);position:relative;z-index:1}.hero-card h1{font-size:29px;line-height:1.22;letter-spacing:-.07em;margin:17px 0 12px;position:relative;z-index:1}.hero-card em{font-style:normal;color:#73d9ff}.hero-card p{font-size:13px;color:#d8e8ff;margin:0 0 20px;max-width:345px;position:relative;z-index:1}.hero-actions{display:grid;gap:9px;position:relative;z-index:1}.btn{border-radius:15px;padding:13px 15px;font-size:14px;font-weight:850;text-align:center;display:flex;align-items:center;justify-content:center;gap:6px}.btn.primary{background:var(--blue);color:#fff}.hero-card .btn.primary{background:#fff;color:var(--navy)}.btn.secondary{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.2);color:#fff}.btn.premium{background:var(--navy);color:#fff;margin-top:14px}.btn.outline{border:1px solid var(--line);background:#fff;color:var(--navy)}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:12px 0}.metric{padding:12px 8px;background:#fff;border:1px solid var(--line);border-radius:17px;text-align:center}.metric b{display:block;font-size:22px;line-height:1.15;color:var(--blue);letter-spacing:-.04em}.metric span{font-size:11px;color:var(--muted);font-weight:700}.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:17px 16px;margin:12px 0;box-shadow:0 4px 14px rgba(7,25,47,.025)}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-head h2,.panel h2{font-size:17px;letter-spacing:-.04em;margin:0;color:var(--navy)}.feature-list{display:grid;gap:11px}.feature-list div{display:flex;gap:8px;flex-direction:column;padding-bottom:11px;border-bottom:1px solid #eef2f8}.feature-list div:last-child{border:0;padding-bottom:0}.feature-list strong{font-size:14px;color:var(--navy)}.feature-list span{font-size:12.5px;color:var(--muted)}.premium-callout{background:linear-gradient(145deg,#f4f8ff,#fff);border-color:#d6e6ff}.premium-kicker{font-size:10px;font-weight:900;color:var(--blue);letter-spacing:.17em;margin-bottom:5px}.premium-callout p,.purchase-panel p{font-size:13px;color:var(--muted);margin:8px 0 0}
.view-title{display:flex;justify-content:space-between;align-items:end;margin:7px 2px 15px}.view-title h1{font-size:26px;line-height:1.2;letter-spacing:-.07em;margin:3px 0 0;color:var(--navy)}.eyebrow{font-size:10px;letter-spacing:.18em;font-weight:900;color:var(--blue)}.mini-btn{background:var(--soft);color:var(--blue);padding:10px 13px;border-radius:999px;font-weight:850;font-size:12px}.filter-bar{display:flex;gap:7px;overflow-x:auto;padding-bottom:9px;margin-bottom:4px;scrollbar-width:none}.filter-bar::-webkit-scrollbar{display:none}.filter-chip{white-space:nowrap;padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:12px;font-weight:800;color:var(--muted)}.filter-chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.question-list{display:grid;gap:10px}.question-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:15px;box-shadow:0 4px 12px rgba(7,25,47,.025)}.q-top{display:flex;justify-content:space-between;gap:8px;margin-bottom:8px}.chips{display:flex;gap:5px;flex-wrap:wrap}.chip{font-size:10.5px;font-weight:850;border-radius:999px;padding:4px 8px;background:var(--soft);color:var(--blue)}.chip.level{background:#f7f1e5;color:#9a6410}.question-card h3{font-size:16px;line-height:1.4;letter-spacing:-.04em;color:var(--navy);margin:0 0 5px}.question-card p{font-size:12px;color:var(--muted);margin:0 0 13px}.card-actions{display:grid;grid-template-columns:1fr auto;gap:7px}.card-actions button{padding:10px;border-radius:12px;font-size:12.5px;font-weight:850}.start-btn{color:#fff;background:var(--blue)}.star-btn{width:44px;color:var(--navy);background:var(--soft)}.star-btn.saved{background:#fff3cb;color:#986300}
.empty-state{text-align:center;padding:65px 18px;background:#fff;border:1px solid var(--line);border-radius:22px;margin-top:12px}.empty-state strong{display:block;color:var(--navy);font-size:18px;letter-spacing:-.04em}.empty-state p{font-size:13px;color:var(--muted);margin:8px 0 20px}.training-card{padding-bottom:22px}.training-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:13px}.training-header h1{font-size:22px;line-height:1.35;letter-spacing:-.055em;margin:5px 0 0;color:var(--navy)}.training-header .star-btn{flex-shrink:0}.training-meta{display:flex;flex-wrap:wrap;gap:5px}.train-section{background:#fff;border:1px solid var(--line);border-radius:19px;padding:15px;margin:10px 0}.train-section h2{font-size:13px;color:var(--blue);margin:0 0 9px;font-weight:900;letter-spacing:-.02em}.scenario{font-size:14px;color:#283b54;margin:0}.question-steps{display:grid;gap:7px;margin:0;padding-left:19px;font-size:14px;color:#1c304d}.timer-box{background:linear-gradient(135deg,#07192f,#123764);border-radius:20px;color:#fff;padding:16px;margin:12px 0}.timer-display{font-variant-numeric:tabular-nums;font-size:42px;font-weight:900;letter-spacing:.04em;text-align:center;margin:5px 0 13px}.timer-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.timer-actions button{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);color:#fff;padding:9px 4px;font-size:12px;font-weight:850;border-radius:11px}.timer-actions button.on{background:#fff;color:var(--navy)}.reveal-btn{width:100%;padding:13px;border-radius:13px;background:#eef5ff;color:var(--blue);font-weight:900;margin-top:8px}.reveal-box{display:none;margin-top:10px}.reveal-box.open{display:block}.framework{display:grid;gap:7px}.framework div{display:grid;grid-template-columns:58px 1fr;gap:7px;font-size:13px}.framework b{color:var(--blue)}.model-answer{padding:13px;border-radius:14px;background:#f6f9fe;color:#253954;font-size:13.5px}.follow-list{display:grid;gap:9px}.follow-card{border:1px solid #e5ecf7;border-radius:13px;padding:11px}.follow-card b{font-size:13px;color:var(--navy)}.follow-card p{font-size:12.5px;margin:7px 0 0;color:var(--muted)}.check-grid{display:grid;gap:7px}.check-row{border:1px solid #e7edf6;border-radius:13px;padding:10px 10px 9px}.check-row strong{font-size:13px;display:block;color:var(--navy)}.check-row p{font-size:11.5px;color:var(--muted);margin:3px 0 8px}.score-buttons{display:flex;gap:4px}.score-buttons button{height:30px;flex:1;border-radius:8px;font-weight:850;font-size:12px;background:#f3f6fb;color:#6c7b90}.score-buttons button.selected{background:var(--blue);color:#fff}.complete-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}.complete-row button{padding:12px;border-radius:13px;font-size:13px;font-weight:900}.complete-btn{background:var(--green);color:#fff}.retry-btn{background:#fff;border:1px solid var(--line);color:var(--navy)}
.record-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:13px}.record-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px 9px;text-align:center}.record-card b{font-size:23px;color:var(--blue);display:block}.record-card span{font-size:11px;color:var(--muted);font-weight:700}.saved-list{display:grid;gap:8px}.saved-item{border:1px solid #e5ecf7;border-radius:14px;padding:12px;display:flex;justify-content:space-between;align-items:center;gap:10px}.saved-item strong{font-size:13.5px;color:var(--navy);display:block}.saved-item small{font-size:11px;color:var(--muted)}.saved-item button{background:var(--soft);color:var(--blue);font-size:11.5px;font-weight:850;padding:8px 10px;border-radius:9px}.none{font-size:13px;color:var(--muted);padding:20px 0;text-align:center}
.premium-hero{border-radius:25px;padding:22px 18px;color:#fff;background:linear-gradient(142deg,#07192f,#143a6c);margin-bottom:12px}.premium-hero span{font-size:10px;font-weight:900;color:#72d7ff;letter-spacing:.18em}.premium-hero h1{font-size:26px;letter-spacing:-.06em;margin:8px 0}.premium-hero p{margin:0;color:#d3e5ff;font-size:13px}.locked-grid{display:grid;gap:9px}.locked-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;position:relative}.locked-label{font-size:10px;font-weight:900;color:var(--blue);margin-bottom:5px}.locked-card h3{font-size:15px;letter-spacing:-.04em;margin:0 0 7px;color:var(--navy);padding-right:48px}.lock-badge{position:absolute;right:13px;top:13px;background:#f0f4fb;color:#607089;font-size:11px;font-weight:800;padding:5px 8px;border-radius:999px}.locked-card p{font-size:12px;color:var(--muted);margin:0}.cta-row{display:grid;gap:8px;margin-top:15px}.contact-card>p{font-size:13px;color:var(--muted);margin:6px 0 16px}.contact-action{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #edf1f7;padding:14px 0;font-size:14px}.contact-action b{color:var(--navy)}.contact-action span{color:var(--blue);font-weight:850}.copyright-note{font-size:11.5px;line-height:1.65;color:#718199;background:#fff;border:1px solid var(--line);border-radius:17px;padding:14px;margin-top:12px}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(560px,100%);height:68px;padding:7px 11px calc(7px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr);gap:4px;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);border-top:1px solid var(--line);z-index:30}.nav-item{background:transparent;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2px;color:#7c899d;border-radius:13px}.nav-item span{font-size:19px;line-height:1}.nav-item em{font-style:normal;font-size:10.5px;font-weight:850}.nav-item.active{color:var(--blue);background:#eef5ff}.toast{position:fixed;left:50%;transform:translateX(-50%) translateY(20px);bottom:84px;background:#102239;color:#fff;max-width:330px;padding:11px 15px;border-radius:999px;font-size:12px;font-weight:700;opacity:0;pointer-events:none;transition:.22s;z-index:99}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(min-width:561px){body{background:#e9eff9}.app-shell{min-height:100vh}.app-main{padding-top:18px}.hero-actions{grid-template-columns:1fr 1fr}}

.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.24);color:#d8e8ff}
.device-note{margin-top:0;padding:14px 15px;background:#f8fbff}.device-note-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:7px}.device-note-head strong{font-size:13px;color:var(--navy)}.device-note-head span{font-size:10.5px;font-weight:850;background:#e5faf5;color:var(--green);padding:4px 8px;border-radius:999px}.device-note p{font-size:12px;line-height:1.65;color:var(--muted);margin:0}.soft-btn{background:var(--soft);color:var(--blue)}
.button-row{width:100%;background:transparent;text-align:left;border:none}.management-card p{font-size:12.5px;color:var(--muted);margin:7px 0 13px}.danger-outline{width:100%;border:1px solid #ffd8dc;background:#fff7f8;color:#bb3341}
.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(4,17,35,.55);z-index:120;align-items:flex-end;justify-content:center;padding:12px}.modal-backdrop.open{display:flex}.modal-card{background:#fff;width:min(520px,100%);max-height:92dvh;overflow-y:auto;border-radius:25px 25px 20px 20px;padding:17px 16px 16px;box-shadow:0 -15px 42px rgba(0,0,0,.19)}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}.modal-head h2{font-size:19px;letter-spacing:-.05em;color:var(--navy);margin:0}.modal-head button{width:35px;height:35px;border-radius:50%;font-size:24px;line-height:1;background:#f2f6fc;color:var(--muted)}.install-block{border:1px solid var(--line);border-radius:17px;padding:13px;margin:9px 0}.install-block strong{font-size:14px;color:var(--navy)}.install-block ol{padding-left:20px;margin:8px 0 0;font-size:12.5px;color:#394c66}.install-block .install-action{width:100%;margin-top:10px;padding:11px}.modal-tip{font-size:12px;color:var(--muted);background:#f4f8ff;border-radius:12px;padding:10px 11px;margin:11px 0}.modal-close-wide{width:100%}.app-footer{max-width:560px;margin:-66px auto 68px;padding:0 14px 16px;font-size:10.5px;color:#8a98ac;text-align:center}
@media(min-width:561px){.modal-backdrop{align-items:center}.modal-card{border-radius:25px}}