:root{--bg:#eef3f9;--surface:#fff;--surface-soft:#f6f9fd;--surface-2:#f6f9fd;--ink:#14243a;--muted:#52627a;--faint:#67768c;--line:#dbe5f2;--blue:#1f65c2;--blue-dark:#2f74c8;--accent:#1f65c2;--accent-2:#2f74c8;--accent-soft:#eef4fd;--on-accent:#fff;--focus:#93c5fd;--good:#1d8a5b;--good-soft:#e6f6ee;--bad:#c14049;--bad-soft:#fdecec;--btn-bg:#14243a;--btn-ink:#fff;--grid-line:#1f65c20a;--topbar-bg:#eef3f9e6;--radius:14px;--shadow:0 14px 36px #1f4a7d17;--code-bg:#eef3fb}:root[data-theme=dark]{--bg:#162035;--surface:#1f2d4a;--surface-soft:#28395d;--surface-2:#28395d;--ink:#fff;--muted:#cbd5e1;--faint:#94a3b8;--line:#ffffff29;--blue:#818cf8;--blue-dark:#a5b4fc;--accent:#818cf8;--accent-2:#a5b4fc;--accent-soft:#818cf82e;--on-accent:#0f172a;--good:#4ade80;--good-soft:#4ade8029;--bad:#f87171;--bad-soft:#f8717129;--btn-bg:#f8fafc;--btn-ink:#0f172a;--grid-line:#93c5fd12;--topbar-bg:#162035f0;--shadow:0 14px 36px #00000038;--code-bg:#ffffff1a}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--ink);background:linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px), var(--bg);-webkit-font-smoothing:antialiased;word-break:keep-all;background-size:32px 32px;min-height:100vh;margin:0;font-family:Pretendard Variable,Pretendard,IBM Plex Sans KR,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;transition:background-color .2s,color .2s}a{color:inherit;text-decoration:none}button,input{font:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}.gate-wrap{flex-direction:column;gap:24px;max-width:1120px;margin:0 auto;padding:clamp(20px,3vw,40px) 20px 80px;display:flex}.gate-hero{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:clamp(18px,2.4vw,26px);padding:clamp(52px,6vw,76px) clamp(24px,4vw,44px) clamp(32px,4vw,44px);position:relative;overflow:hidden}.gate-hero-top{letter-spacing:.04em;color:var(--muted);justify-content:space-between;align-items:center;padding:16px clamp(20px,3vw,36px);font-size:11.5px;font-weight:700;display:flex;position:absolute;top:0;left:0;right:0}.gate-hero-top .dot{background:var(--blue);width:7px;height:7px;box-shadow:0 0 0 4px var(--accent-soft);border-radius:50%;margin-right:8px;display:inline-block}.gate-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:end;gap:40px;display:grid}@media (width<=860px){.gate-grid{grid-template-columns:1fr;gap:28px}}.gate-title{letter-spacing:-.04em;margin-bottom:16px;font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.15}.gate-title em{color:var(--blue);font-style:normal}.gate-desc{color:var(--muted);max-width:540px;margin-bottom:20px;font-size:14.5px;line-height:1.7}.gate-club-meta{flex-wrap:wrap;gap:6px;margin-top:14px;display:flex}.gate-club-meta span{background:var(--accent-soft);color:var(--blue);border-radius:999px;padding:4px 10px;font-size:11.5px;font-weight:700}.pw-card{flex-direction:column;gap:12px;display:flex}.pw-card-header{color:var(--muted);font-size:13.5px;line-height:1.6}.pw-card-header b{color:var(--ink)}.pw-row{border:1px solid var(--line);background:var(--surface);border-radius:999px;align-items:center;gap:8px;padding:6px 6px 6px 16px;transition:all .2s;display:flex;box-shadow:0 4px 14px #14243a0d}.pw-row:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px var(--accent-soft)}.pw-row.error{border-color:var(--bad);box-shadow:0 0 0 3px var(--bad-soft);animation:.35s shake}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.pw-input{min-width:0;color:var(--ink);background:0 0;border:none;outline:none;flex:1;font-size:14px;font-weight:600}.pw-btn{cursor:pointer;background:var(--btn-bg);color:var(--btn-ink);border:none;border-radius:999px;align-items:center;gap:8px;padding:6px 14px 6px 16px;font-size:13.5px;font-weight:700;transition:all .2s;display:inline-flex}.pw-btn:hover{opacity:.9;transform:translateY(-1px)}.pw-msg{min-height:20px;padding-left:6px;font-size:12px;font-weight:600}.pw-msg.err{color:var(--bad)}.pw-msg.ok{color:var(--good)}.pw-hint{color:var(--faint);padding-left:6px;font-size:12px;line-height:1.5}.links-sec{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);padding:24px 28px}.links-head{align-items:baseline;gap:10px;margin-bottom:16px;display:flex}.links-head h2{font-size:16px;font-weight:800}.links-head span{color:var(--faint);font-size:12px}.links-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}@media (width<=768px){.links-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=500px){.links-grid{grid-template-columns:1fr}}.channel-card{border:1px solid var(--line);background:var(--surface-soft);border-radius:12px;align-items:center;gap:12px;padding:12px 14px;transition:all .2s;display:flex}.channel-card:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 6px 18px #1f4a7d14}.channel-icon{flex-shrink:0;font-size:18px}.channel-name{font-size:13px;font-weight:700}.channel-sub{color:var(--faint);font-size:11px}.topbar{z-index:40;border-bottom:1px solid var(--line);background:var(--topbar-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:sticky;top:0}.topbar-inner{grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;width:min(1280px,100% - 40px);min-height:84px;margin:0 auto;padding:10px 0;display:grid}.topbar-left{cursor:pointer;justify-self:start;align-items:center;display:flex}.brand-logo-img{object-fit:contain;width:auto;height:24px;display:block}:root[data-theme=dark] .brand-logo-img{background:#fff;border-radius:6px;padding:2px 6px}.topbar-center{text-align:center;justify-content:center;align-items:center;display:flex}.topbar-course-title{letter-spacing:-.04em;color:var(--ink);white-space:nowrap;margin:0;font-size:40px;font-weight:900;line-height:1.2}.topbar-right{justify-self:end;align-items:center;gap:16px;display:flex}.topbar-instructor-badge{color:var(--ink);background:var(--surface-soft);border:2px solid var(--line);letter-spacing:-.03em;white-space:nowrap;border-radius:999px;align-items:center;gap:12px;padding:6px 22px 6px 12px;font-size:26px;font-weight:800;display:inline-flex;box-shadow:0 4px 12px #0000000a}.instructor-badge-icon{object-fit:contain;filter:drop-shadow(0 2px 6px #0000001f);flex-shrink:0;width:38px;height:38px;display:block}.theme-btn{border:1px solid var(--line);background:var(--surface-soft);width:44px;height:44px;color:var(--muted);cursor:pointer;border-radius:50%;place-items:center;font-size:16px;transition:all .18s;display:grid}.theme-btn:hover{border-color:var(--blue);color:var(--blue);transform:scale(1.05)}.club-strip{border-bottom:1px solid var(--line);background:var(--surface)}.club-strip-inner{justify-content:flex-end;align-items:center;gap:16px;width:min(1120px,100% - 40px);min-height:46px;margin:0 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var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);grid-template-columns:minmax(0,1fr) 220px;align-items:end;gap:40px;padding:clamp(38px,4vw,54px) clamp(20px,3vw,34px) clamp(22px,3vw,30px);display:grid;position:relative;overflow:hidden}@media (width<=860px){.dash-hero{grid-template-columns:1fr;gap:20px}}.eyebrow{color:var(--blue-dark);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;font-family:IBM Plex Mono,monospace;font-size:12px;font-weight:600}.dash-hero h1{letter-spacing:-.045em;margin-bottom:12px;font-size:clamp(28px,4vw,46px);line-height:1.15}.dash-hero h1 em{color:var(--blue);font-style:normal}.dash-hero-copy{color:var(--muted);max-width:680px;font-size:14.5px}.dash-hero-summary{border-left:2px solid var(--blue);padding-left:20px}.dash-hero-summary strong{letter-spacing:-.04em;font-size:26px;display:block}.dash-hero-summary span{color:var(--muted);font-size:13px}.part-nav{scrollbar-width:thin;gap:6px;margin:24px 0 32px;display:flex;overflow-x:auto}.part-link{min-width:max-content;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:8px 14px;font-size:13px;font-weight:600;transition:all .15s}.part-link:hover{color:var(--ink);background:var(--surface)}.part-link.active{color:var(--on-accent);background:var(--blue);border-color:var(--blue)}.workspace{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:32px;display:grid}@media (width<=860px){.workspace{grid-template-columns:1fr}}.section-head{justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:16px;display:flex}.section-head h2{letter-spacing:-.03em;font-size:20px}.section-head p{color:var(--muted);margin-top:4px;font-size:13px}.search{width:min(260px,100%)}.search input{width:100%;height:40px;color:var(--ink);border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:0 14px;font-size:13px}.search input:focus{border-color:var(--blue);outline:none}.lesson-list{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}.lesson-card{border-bottom:1px solid var(--line);grid-template-columns:60px minmax(0,1fr) auto;align-items:center;gap:16px;min-height:96px;padding:18px 20px;transition:background .15s;display:grid}.lesson-card:last-child{border-bottom:none}.lesson-card:hover{background:var(--surface-soft)}.lesson-num{color:var(--blue);font-family:IBM Plex Mono,monospace;font-size:14px;font-weight:600}.lesson-num span{color:var(--muted);margin-top:2px;font-size:11px;display:block}.lesson-card h3{letter-spacing:-.025em;cursor:pointer;font-size:15.5px;line-height:1.45}.lesson-card h3:hover{color:var(--blue)}.lesson-meta-text{color:var(--muted);margin-top:4px;font-size:12px}.lesson-actions{align-items:center;gap:8px;display:flex}.btn{border:1px solid var(--line);background:var(--surface);min-height:38px;color:var(--ink);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;padding:7px 13px;font-size:12.5px;font-weight:700;transition:all .16s;display:inline-flex}.btn:hover{color:var(--blue-dark);border-color:var(--focus);transform:translateY(-1px)}.btn.primary{color:var(--on-accent);border-color:var(--blue);background:var(--blue)}.btn.primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}.side{position:sticky;top:84px}.side-block{border-top:1px solid var(--line);padding:18px 0}.side-block:first-child{border-top:none;padding-top:0}.side h2{margin-bottom:8px;font-size:14px;font-weight:800}.side p,.side li{color:var(--muted);font-size:13px}.side ol{padding-left:18px}.side li+li{margin-top:6px}.plan-note{color:var(--blue);background:var(--accent-soft);border-radius:8px;margin-top:12px;padding:12px 14px;font-size:12px;font-weight:600}.detail-view{flex-direction:column;gap:28px;max-width:860px;margin:0 auto;padding:30px 20px 80px;display:flex}.detail-nav-back{color:var(--blue);cursor:pointer;border:1px solid var(--line);background:var(--surface);border-radius:8px;align-items:center;gap:6px;width:fit-content;padding:6px 12px;font-size:13px;font-weight:600;display:inline-flex}.detail-nav-back:hover{background:var(--surface-soft)}.detail-hero{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 28px}.detail-hero-title{letter-spacing:-.03em;margin-top:6px;margin-bottom:8px;font-size:24px;font-weight:800}.video-frame-wrapper{aspect-ratio:16/9;border:1px solid var(--line);width:100%;box-shadow:var(--shadow);background:#000;border-radius:12px;position:relative;overflow:hidden}.video-frame-wrapper iframe{border:none;width:100%;height:100%}.ready-card{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;padding:18px 22px}.ready-card h3{color:var(--blue);margin-bottom:10px;font-size:14.5px;font-weight:800}.ready-card ul{color:var(--muted);font-size:13.5px;list-style:none}.ready-card li{padding:3px 0 3px 20px;position:relative}.ready-card li:before{content:"✓";color:var(--blue);font-weight:800;position:absolute;left:0}.prompt-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.prompt-header{background:var(--surface-soft);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.prompt-badge{background:var(--accent-soft);color:var(--blue);border-radius:999px;margin-left:8px;padding:3px 8px;font-size:11px;font-weight:700}.copy-btn{border:1px solid var(--blue);background:var(--accent-soft);color:var(--blue);cursor:pointer;border-radius:6px;align-items:center;gap:5px;padding:6px 12px;font-size:12px;font-weight:700;transition:all .15s;display:inline-flex}.copy-btn:hover{background:var(--blue);color:var(--on-accent)}.prompt-content{background:var(--code-bg);white-space:pre-wrap;color:var(--ink);padding:18px 20px;font-family:IBM Plex Mono,monospace;font-size:13px;line-height:1.65}.prompt-examples{border-top:1px solid var(--line);background:var(--surface);grid-template-columns:1fr 1fr;gap:12px;padding:16px 20px;display:grid}@media (width<=640px){.prompt-examples{grid-template-columns:1fr}}.example-box{border-radius:8px;padding:12px 14px;font-size:12.5px}.example-box.good{background:var(--good-soft);border:1px solid var(--good);color:var(--good)}.example-box.bad{background:var(--bad-soft);border:1px solid var(--bad);color:var(--bad)}.steps-container{flex-direction:column;gap:14px;display:flex}.step-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;gap:16px;padding:16px 20px;display:flex}.step-circle{background:var(--blue);width:28px;height:28px;color:var(--on-accent);border-radius:50%;flex-shrink:0;place-items:center;font-size:13px;font-weight:800;display:grid}.step-body h4{margin-bottom:4px;font-size:14.5px;font-weight:700}.step-body p{color:var(--muted);font-size:13px}footer,.app-footer{width:min(1120px,100% - 40px);color:var(--muted);border-top:1px solid var(--line);justify-content:space-between;gap:20px;margin:0 auto;padding:24px 0 40px;font-size:12px;display:flex}.brand-badge-icon{background:#f973161f;border-radius:8px;flex-shrink:0;place-items:center;width:28px;height:28px;display:grid}.view-mode-tabs{background:var(--surface-soft);border:1px solid var(--line);border-radius:10px;align-items:center;gap:4px;padding:4px;display:flex}.view-mode-tab-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:7px;align-items:center;gap:6px;padding:6px 14px;font-size:12.5px;font-weight:600;transition:all .15s;display:flex}.view-mode-tab-btn:hover{color:var(--ink);background:#0000000a}:root[data-theme=dark] .view-mode-tab-btn:hover{background:#ffffff0d}.view-mode-tab-btn.active{background:var(--surface);color:var(--blue);font-weight:700;box-shadow:0 2px 8px #00000014}:root[data-theme=dark] .view-mode-tab-btn.active{background:var(--surface-2);color:var(--blue-dark);box-shadow:0 2px 8px #00000040}.slide-deck-wrapper{flex-direction:column;gap:14px;width:min(1040px,100% - 40px);margin:20px auto 40px;display:flex}.slide-top-bar{background:var(--surface);border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:center;padding:8px 16px;display:flex}.slide-indicator{align-items:center;gap:10px;display:flex}.slide-nav-icon-btn{border:1px solid var(--line);background:var(--surface-soft);width:32px;height:32px;color:var(--ink);cursor:pointer;border-radius:8px;place-items:center;transition:all .15s;display:grid}.slide-nav-icon-btn:hover:not(:disabled){background:var(--blue);color:#fff;border-color:var(--blue)}.slide-nav-icon-btn:disabled{opacity:.35;cursor:not-allowed}.slide-counter-badge{color:var(--muted);padding:0 4px;font-family:IBM Plex Mono,monospace;font-size:13.5px}.slide-counter-badge strong{color:var(--ink);font-size:15px;font-weight:800}.slide-keyboard-hint{color:var(--faint);font-size:12px}@media (width<=640px){.slide-keyboard-hint{display:none}}.slide-extra-actions{align-items:center;gap:10px;display:flex}.slide-switch-mode-btn{background:var(--accent-soft);color:var(--blue);border:1px solid var(--line);cursor:pointer;border-radius:7px;padding:6px 12px;font-size:12px;font-weight:600;transition:background .15s}.slide-prompt-top-copy-btn{background:var(--blue);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:8px;align-items:center;gap:6px;height:32px;padding:6px 14px;font-size:13px;font-weight:700;transition:all .15s;display:inline-flex;box-shadow:0 2px 6px #2563eb40}.slide-prompt-top-copy-btn:hover{background:var(--blue-dark);transform:translateY(-1px);box-shadow:0 4px 10px #2563eb59}.slide-prompt-top-copy-btn:active{transform:translateY(0)}.slide-switch-mode-btn:hover{background:var(--surface-soft)}.slide-progress-track{background:var(--line);border-radius:999px;width:100%;height:4px;overflow:hidden}.slide-progress-fill{background:linear-gradient(90deg, #f97316, var(--blue));height:100%;transition:width .25s ease-out}.slide-canvas-container{justify-content:center;width:100%;display:flex}.slide-card{border-radius:20px;flex-direction:column;width:100%;min-height:490px;padding:40px 48px;transition:all .2s;display:flex;position:relative;overflow:hidden;box-shadow:0 18px 45px #00000014}.slide-card.slide-card-image-mode{min-height:unset;aspect-ratio:16/9;border:1px solid var(--line);background:#1e1e24;justify-content:center;align-items:center;padding:0;display:flex;box-shadow:0 20px 50px #00000029}.slide-body-image{background:#18181b;justify-content:center;align-items:center;width:100%;height:100%;display:flex;overflow:hidden}.slide-as-is-image{object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;width:100%;height:100%;display:block}.slide-card.slide-theme-dark{color:#f8fafc;background:linear-gradient(145deg,#243354 0%,#1c2742 100%);border:1px solid #ffffff29;box-shadow:0 18px 45px #00000038}.slide-card.slide-theme-dark .slide-eyebrow{color:#f97316}.slide-card.slide-theme-dark .slide-title,.slide-card.slide-theme-dark .slide-title-large{color:#fff}.slide-card.slide-theme-dark .slide-subtitle-large{color:#ffffffbf}.slide-card.slide-theme-light{background:var(--surface);color:var(--ink);border:1px solid var(--line)}.slide-card.slide-theme-light .slide-eyebrow{color:var(--blue)}.slide-eyebrow{letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px;font-size:12px;font-weight:800}.slide-title{letter-spacing:-.03em;margin-bottom:28px;font-size:26px;font-weight:800;line-height:1.35}.slide-title-large{letter-spacing:-.04em;white-space:pre-line;margin-bottom:16px;font-size:38px;font-weight:800;line-height:1.25}.slide-subtitle-large{color:var(--muted);margin-bottom:32px;font-size:18px;font-weight:400;line-height:1.5}.slide-body{flex-direction:column;flex:1;display:flex}.slide-body-cover{justify-content:center;align-items:flex-start;padding:20px 0}.slide-body-center{text-align:center;justify-content:center;align-items:center;padding:30px 20px}.slide-cover-accent-bar{background:#f97316;border-radius:2px;width:48px;height:4px;margin-bottom:24px}.slide-cover-badges{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.slide-pill-tag{color:#fff;background:#ffffff14;border:1px solid #ffffff1f;border-radius:999px;padding:8px 16px;font-size:13.5px;font-weight:600}.slide-pill-arrow{color:#f97316;font-weight:800}.slide-grid-3{flex:1;grid-template-columns:repeat(3,1fr);gap:18px;display:grid}@media (width<=768px){.slide-grid-3{grid-template-columns:1fr}}.slide-box-card{background:var(--surface-soft);border:1px solid var(--line);border-radius:14px;flex-direction:column;gap:8px;padding:24px 20px;transition:transform .15s,box-shadow .15s;display:flex}.slide-box-card.slide-card-interactive:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000000f}.slide-box-highlight{background:#f973160f;border-color:#f9731659}.slide-box-meta{color:var(--muted);align-items:center;font-size:12.5px;font-weight:600;display:flex}.slide-box-header{align-items:center;gap:8px;margin-top:4px;display:flex}.slide-badge-pill{background:var(--surface);border:1px solid var(--line);color:var(--blue);border-radius:5px;padding:2px 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#1f65c233}.wf-hud-trigger-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.wf-hud-trigger-sparkle{color:var(--accent);align-items:center;display:flex}.wf-hud-trigger-btn.active .wf-hud-trigger-sparkle{color:#fff}.wf-hud-badge-counter{background:var(--accent-soft);color:var(--accent);border-radius:999px;margin-left:2px;padding:2px 7px;font-size:11px;font-weight:700}.wf-hud-trigger-btn.active .wf-hud-badge-counter{color:#fff;background:#ffffff40}.wf-hud-trigger-sub{color:var(--faint);border-left:1px solid var(--line);padding-left:8px;font-size:11px;font-weight:500}.wf-hud-trigger-btn.active .wf-hud-trigger-sub{color:#fffc;border-color:#ffffff4d}.wf-hud-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0f172a73;animation:.2s ease-out wfFadeIn;position:fixed;inset:0}.wf-hud-drawer{background:var(--surface);border-left:1px solid var(--line);z-index:1001;flex-direction:column;width:440px;max-width:92vw;transition:transform 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4px;font-size:18px;font-weight:700}.wf-drawer-subhead{color:var(--muted);margin:0;font-size:12.5px;line-height:1.4}.wf-drawer-body{flex-direction:column;flex:1;gap:18px;padding:20px 24px;display:flex;overflow-y:auto}.wf-lecture-selector-card{background:var(--surface-soft);border:1px solid var(--line);border-radius:10px;flex-direction:column;gap:6px;padding:12px 14px;display:flex}.wf-field-label{color:var(--muted);align-items:center;gap:6px;font-size:11.5px;font-weight:600;display:flex}.wf-select-dropdown{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--ink);cursor:pointer;border-radius:8px;outline:none;padding:8px 12px;font-family:inherit;font-size:13px;font-weight:600;transition:border-color .2s}.wf-select-dropdown:focus{border-color:var(--accent)}.wf-progress-summary-card{background:linear-gradient(135deg, var(--surface-soft) 0%, var(--surface) 100%);border:1px solid 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.2s;display:flex}.wf-artifact-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.wf-artifact-btn:disabled{opacity:.45;cursor:not-allowed}.wf-btn-ext-icon{opacity:.6;margin-left:auto}.wf-stepper-container{flex-direction:column;gap:10px;display:flex}.wf-section-subtitle{color:var(--muted);margin:0;font-size:13px;font-weight:700}.wf-stepper{flex-direction:column;display:flex}.wf-step-item{gap:14px;padding-bottom:16px;display:flex;position:relative}.wf-step-item:last-child{padding-bottom:0}.wf-step-indicator-col{flex-direction:column;align-items:center;width:20px;display:flex}.wf-step-icon-wrap{z-index:2;justify-content:center;align-items:center;display:flex}.wf-icon-completed{color:var(--good)}.wf-icon-progress{color:var(--accent);animation:1.8s infinite wfPulse}.wf-icon-pending{color:var(--faint)}.wf-step-connector{background:var(--line);flex:1;width:2px;margin-top:4px}.wf-step-item.completed .wf-step-connector{background:var(--good)}.wf-step-content{flex-direction:column;flex:1;gap:3px;display:flex}.wf-step-header{justify-content:space-between;align-items:center;display:flex}.wf-step-title{color:var(--ink);font-size:13px;font-weight:600}.wf-step-badge{border-radius:999px;padding:1px 7px;font-size:10.5px;font-weight:700}.wf-step-badge.completed{background:var(--good-soft);color:var(--good)}.wf-step-badge.in_progress{background:var(--accent-soft);color:var(--accent)}.wf-step-badge.pending{background:var(--surface-soft);color:var(--faint)}.wf-step-desc{color:var(--muted);margin:0;font-size:11.5px;line-height:1.4}.wf-step-doc-link{background:var(--accent-soft);color:var(--accent);cursor:pointer;border:none;border-radius:4px;align-self:flex-start;align-items:center;gap:4px;margin-top:4px;padding:3px 8px;font-size:11px;font-weight:600;transition:opacity .15s;display:inline-flex}.wf-step-doc-link:hover{opacity:.85}.wf-dashboard-promo-card{background:var(--surface-soft);border:1px dashed var(--line);border-radius:10px;flex-direction:column;gap:8px;padding:14px;display:flex}.wf-promo-content h5{color:var(--ink);margin:0 0 3px;font-size:12px;font-weight:700}.wf-promo-content p{color:var(--muted);margin:0;font-size:11px;line-height:1.4}.wf-promo-btn{background:var(--surface);border:1px solid var(--line);color:var(--ink);cursor:pointer;border-radius:6px;align-self:flex-start;align-items:center;gap:4px;padding:4px 10px;font-family:inherit;font-size:11.5px;font-weight:600;display:inline-flex}.wf-drawer-footer{border-top:1px solid var(--line);background:var(--surface-soft);justify-content:space-between;align-items:center;padding:14px 24px;display:flex}.wf-footer-shortcut{color:var(--faint);font-size:11px}.wf-footer-shortcut kbd{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:2px 5px;font-family:inherit;font-size:10px}.wf-footer-btn-close{background:var(--surface);border:1px solid var(--line);color:var(--ink);cursor:pointer;border-radius:6px;padding:6px 14px;font-size:12px;font-weight:600}.wf-modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1100;background:#0f172a99;justify-content:center;align-items:center;padding:24px;animation:.2s ease-out wfFadeIn;display:flex;position:fixed;inset:0}.wf-modal-dialog{background:var(--surface);border:1px solid var(--line);border-radius:14px;flex-direction:column;width:780px;max-width:100%;max-height:86vh;display:flex;overflow:hidden;box-shadow:0 24px 60px #0000004d}.wf-modal-header{border-bottom:1px solid var(--line);background:var(--surface-soft);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.wf-modal-title-wrap{align-items:center;gap:8px;display:flex}.wf-doc-tag{letter-spacing:.05em;border-radius:4px;padding:2px 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var(--line);background:var(--surface-soft);justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.wf-modal-hint{color:var(--faint);font-size:11px}.wf-btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:6px 16px;font-size:12.5px;font-weight:600}@keyframes wfFadeIn{0%{opacity:0}to{opacity:1}}@keyframes wfPulse{0%{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.15)}to{opacity:1;transform:scale(1)}}.slide-body-custom{flex-direction:column;gap:16px;width:100%;display:flex}.slide-custom-header{margin-bottom:6px}.slide-custom-header .slide-title{color:var(--ink);margin:0 0 4px;font-size:22px;font-weight:700}.slide-custom-header .slide-subtitle{color:var(--muted);margin:0;font-size:13.5px}.slide-card-container{flex-direction:column;gap:16px;width:100%;display:flex}.cover-hero-box{text-align:center;background:radial-gradient(circle at 50% 30%, var(--accent-soft) 0%, transparent 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100%)}.info-block-box h4{color:var(--ink);margin:0;font-size:15px;font-weight:700}.info-block-box p{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.sub-tags{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.sub-tag{background:var(--surface);border:1px solid var(--line);color:var(--ink);border-radius:6px;padding:2px 8px;font-size:11px;font-weight:600}.step-mini-list{color:var(--ink);margin:0;padding-left:20px;font-size:13px;line-height:1.7}.promises-5-grid{grid-template-columns:repeat(5,1fr);gap:12px;display:grid}.promise-card{background:var(--surface-soft);border:1px solid var(--line);text-align:center;border-radius:12px;flex-direction:column;gap:6px;padding:16px 12px;display:flex}.promise-num{color:var(--accent);font-size:18px;font-weight:800}.promise-card h4{color:var(--ink);margin:0;font-size:13px;font-weight:700}.promise-card p{color:var(--muted);margin:0;font-size:11px;line-height:1.4}.roadmap-4steps-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.step-card{background:var(--surface-soft);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:6px;padding:16px;display:flex}.step-card.active{border-color:var(--accent);background:var(--accent-soft)}.step-range{color:var(--accent);font-size:11px;font-weight:700}.step-card h4{color:var(--ink);margin:0;font-size:14px;font-weight:700}.step-card p{color:var(--muted);margin:0;font-size:12px;line-height:1.4}.practice-box-hero{background:linear-gradient(135deg, var(--surface-soft) 0%, var(--surface) 100%);border:1px solid var(--accent);border-radius:16px;flex-direction:column;gap:16px;padding:24px;display:flex}.practice-top-row{color:var(--ink);gap:20px;font-size:14px;display:flex}.pr-action-btn{background:var(--accent);border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-weight:700;text-decoration:none;transition:transform .2s;display:inline-flex;color:#fff!important}.pr-action-btn:hover{transform:translateY(-2px)}.quiz-container{background:var(--surface-soft);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:16px;padding:24px;display:flex}.quiz-question{color:var(--ink);margin:0;font-size:15px;font-weight:700;line-height:1.6}.quiz-options-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.quiz-opt{background:var(--surface);border:1px solid var(--line);color:var(--ink);text-align:left;cursor:pointer;border-radius:10px;padding:12px 16px;font-family:inherit;font-size:13px;font-weight:600;transition:all .2s}.quiz-opt:hover{border-color:var(--accent);background:var(--accent-soft)}.quiz-opt.correct{border-color:var(--good);background:var(--good-soft);color:var(--good)}.prompt-box-preview{background:var(--code-bg);border:1px dashed var(--accent);border-radius:10px;padding:14px 16px}.prompt-box-preview code{color:var(--ink);font-family:Pretendard,sans-serif;font-size:13px;line-height:1.6}.grid-4col-slots{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.slot-card{background:var(--surface-soft);border:1px solid var(--line);text-align:center;border-radius:12px;padding:16px 12px}.slot-card.active{border-color:var(--accent);background:var(--accent-soft)}.slot-num{background:var(--accent);color:#fff;border-radius:999px;width:24px;height:24px;margin-bottom:8px;font-size:12px;font-weight:700;line-height:24px;display:inline-block}.slot-card h4{color:var(--ink);margin:0 0 4px;font-size:13.5px;font-weight:700}.slot-card p{color:var(--muted);margin:0;font-size:11.5px}