:root {
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  color: #f3f2f8;
  background: #080a14;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #080a14; }
button, a { font: inherit; }
.page-shell { min-height: 100vh; overflow: hidden; background: radial-gradient(circle at 14% 22%, rgba(108,99,255,.13), transparent 28%), radial-gradient(circle at 87% 38%, rgba(0,212,170,.08), transparent 28%), #080a14; }
.site-header { width: min(1110px, calc(100% - 40px)); height: 72px; margin: 0 auto; display: flex; align-items: center; border-bottom: 1px solid rgba(255,255,255,.06); }
.brand { display: flex; align-items: center; gap: 12px; color: #f7f6fb; text-decoration: none; font-weight: 760; letter-spacing: -.025em; }
.brand-icon { width: 38px; height: 38px; display: grid; place-items: center; color: #beb8ff; border: 1px solid rgba(108,99,255,.34); border-radius: 10px; background: rgba(108,99,255,.16); box-shadow: 0 7px 20px rgba(108,99,255,.16); }
.brand-icon svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.hero { width: min(980px, calc(100% - 40px)); margin: 0 auto; padding: 42px 0 28px; text-align: center; }
.hero h1 { margin: 0; font-size: clamp(2.1rem, 5vw, 3.35rem); line-height: 1.13; letter-spacing: -.055em; font-weight: 820; }
.hero h1 span { color: transparent; background: linear-gradient(95deg, #a79fff 5%, #70b5ee 52%, #55dac0 96%); -webkit-background-clip: text; background-clip: text; }
.hero p { margin: 18px 0 0; color: #9493a7; font-size: .94rem; line-height: 1.7; }
.mobile-break { display: none; }
.install-workspace { width: min(940px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.04fr .96fr; border: 1px solid rgba(151,146,255,.36); border-radius: 17px; overflow: hidden; background: linear-gradient(145deg, rgba(25,27,46,.84), rgba(12,17,29,.9)); box-shadow: 0 20px 60px rgba(0,0,0,.38), 0 0 32px rgba(0,212,170,.045); backdrop-filter: blur(18px); }
.install-pane, .options-pane { padding: 26px; }
.install-pane { border-right: 1px solid rgba(255,255,255,.08); }
.install-pane h2, .options-pane h2 { margin: 0 0 20px; font-size: 1.05rem; letter-spacing: -.025em; }
.browser-demo { overflow: hidden; border: 1px solid rgba(170,166,212,.34); border-radius: 12px; background: #0b101d; box-shadow: inset 0 0 30px rgba(108,99,255,.06); }
.browser-top { height: 38px; padding: 0 14px; display: flex; align-items: center; gap: 8px; background: #151b2a; }
.browser-top i { width: 10px; height: 10px; border-radius: 50%; background: #ff6b5f; }
.browser-top i:nth-child(2) { background: #f4c64e; }
.browser-top i:nth-child(3) { background: #4dc86b; }
.browser-top span { margin-left: auto; color: #85859a; font-size: 1.3rem; }
.browser-address { height: 42px; padding: 0 14px; display: flex; align-items: center; gap: 13px; color: #8e8da0; border-top: 1px solid rgba(255,255,255,.04); }
.browser-address b { height: 25px; flex: 1; border-radius: 20px; background: #090d17; }
.bookmark-bar { min-height: 45px; padding: 8px 13px; display: flex; align-items: center; gap: 12px; color: #8d8c9f; border-top: 1px solid rgba(255,255,255,.06); font-size: .72rem; }
.bookmark-bar strong { min-height: 30px; padding: 0 10px; flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px; color: #d8d6e6; border: 1px dashed #746aff; border-radius: 7px; font-weight: 620; }
.drag-copy { margin: 18px 0 14px; color: #aaa9b8; text-align: center; font-size: .8rem; line-height: 1.65; }
.bookmarklet-button { min-height: 66px; display: flex; align-items: center; justify-content: center; gap: 12px; color: white; text-decoration: none; border-radius: 13px; background: linear-gradient(100deg, #665bea, #51cbb7); box-shadow: 0 12px 30px rgba(87,96,220,.26); font-size: 1.08rem; font-weight: 780; cursor: grab; user-select: none; transition: transform .2s ease, filter .2s ease; }
.bookmarklet-button:hover { filter: brightness(1.08); transform: translateY(-2px); }
.bookmarklet-button:active { cursor: grabbing; }
.bookmark-favicon { width: 20px; height: 20px; flex: 0 0 auto; overflow: hidden; display: inline-grid; place-items: center; border-radius: 50%; background: #111426; box-shadow: 0 0 0 1px rgba(255,255,255,.16); }
.bookmark-favicon img { width: 100%; height: 100%; display: block; }
.bookmark-favicon-large { width: 32px; height: 32px; box-shadow: 0 0 0 2px rgba(255,255,255,.2), 0 6px 16px rgba(26,20,86,.25); }
.install-status { min-height: 1.4em; margin: 10px 0 0; color: #716f82; text-align: center; font-size: .68rem; }
.options-pane { display: flex; flex-direction: column; }
.option-list { display: grid; gap: 12px; }
.option-row { min-height: 93px; padding: 14px; display: flex; align-items: center; gap: 13px; border: 1px solid rgba(255,255,255,.11); border-radius: 12px; background: rgba(255,255,255,.022); }
.option-dot { width: 18px; height: 18px; flex: 0 0 auto; border: 1px solid #78778b; border-radius: 50%; }
.option-icon { width: 40px; height: 40px; flex: 0 0 auto; display: grid; place-items: center; color: #aaa4ff; border: 1px solid rgba(108,99,255,.3); border-radius: 9px; background: rgba(108,99,255,.1); }
.option-icon svg, .shortcut-box svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.option-row h3 { margin: 0 0 5px; font-size: .86rem; }
.option-row p { margin: 0; color: #818093; font-size: .72rem; line-height: 1.5; }
.shortcut-box { margin-top: 16px; min-height: 74px; padding: 12px; display: flex; align-items: center; justify-content: center; gap: 7px; color: #8e8d9f; border: 1px dashed rgba(255,255,255,.14); border-radius: 11px; font-size: .7rem; }
.shortcut-box svg { width: 25px; margin-right: 4px; }
kbd { min-width: 34px; padding: 6px 7px; color: #d6d4df; border: 1px solid rgba(255,255,255,.14); border-radius: 6px; background: rgba(255,255,255,.05); box-shadow: inset 0 -2px rgba(0,0,0,.24); text-align: center; font: 600 .68rem inherit; }
.shortcut-box b { color: #5f5e70; }
.mac-shortcut { margin: 8px 0 0; color: #666579; text-align: center; font-size: .68rem; }
.mobile-notice { display: none; }
.section-block { width: min(940px, calc(100% - 40px)); margin: 0 auto; padding-top: 58px; }
.section-block > h2 { margin: 0 0 26px; text-align: center; font-size: 1.35rem; letter-spacing: -.035em; }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 46px; }
.step-grid article { position: relative; min-height: 195px; padding: 25px 22px; text-align: center; border: 1px solid rgba(255,255,255,.11); border-radius: 14px; background: rgba(20,23,39,.48); }
.step-grid article:not(:last-child)::after { content: '›'; position: absolute; right: -29px; top: 50%; color: #6d6b80; font-size: 2rem; transform: translateY(-50%); }
.step-grid article > span { position: absolute; top: -15px; left: 50%; width: 30px; height: 30px; display: grid; place-items: center; color: white; border-radius: 50%; background: linear-gradient(135deg, #756aff, #59bfae); font-size: .76rem; font-weight: 750; transform: translateX(-50%); }
.step-icon { margin: 14px 0 14px; color: #a9a3ff; font-size: 2.2rem; }
.step-grid h3, .feature-grid h3 { margin: 0 0 9px; font-size: .9rem; }
.step-grid p, .feature-grid p { margin: 0; color: #858497; font-size: .74rem; line-height: 1.65; }
.guide > p { margin: -12px 0 22px; color: #858497; text-align: center; font-size: .78rem; }
.guide-frame { margin: 0; padding: 10px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: rgba(20,23,39,.55); box-shadow: 0 18px 44px rgba(0,0,0,.25); }
.guide-frame img { width: min(100%, 866px); height: auto; margin: 0 auto; display: block; border-radius: 10px; object-fit: contain; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature-grid article { min-height: 200px; padding: 22px 18px; text-align: center; border: 1px solid rgba(255,255,255,.11); border-radius: 14px; background: rgba(20,23,39,.48); }
.feature-grid article > span { width: 46px; height: 46px; margin: 0 auto 16px; display: grid; place-items: center; color: #aaa4ff; border: 1px solid rgba(108,99,255,.28); border-radius: 50%; background: rgba(108,99,255,.12); font-size: 1.3rem; }
.page-footer { width: min(940px, calc(100% - 40px)); min-height: 92px; margin: 58px auto 0; display: flex; align-items: center; justify-content: center; gap: 10px; color: #79788b; border-top: 1px solid rgba(255,255,255,.08); font-size: .76rem; }
.page-footer p { margin: 0; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 20; max-width: calc(100% - 32px); padding: 11px 17px; color: #f2f0ff; border: 1px solid rgba(135,126,255,.42); border-radius: 9px; background: rgba(21,22,38,.96); box-shadow: 0 12px 35px rgba(0,0,0,.4); font-size: .78rem; opacity: 0; pointer-events: none; transform: translate(-50%, 20px); transition: opacity .2s ease, transform .2s ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
body.dragging-bookmarklet .bookmark-bar strong { color: #d7d3ff; border-color: #9189ff; background: rgba(108,99,255,.12); }
@media (max-width: 760px) {
  .site-header { width: calc(100% - 32px); height: 64px; }
  .brand { font-size: .9rem; }
  .hero { width: calc(100% - 32px); padding: 34px 0 24px; }
  .hero h1 { font-size: clamp(1.85rem, 9vw, 2.45rem); }
  .hero p { font-size: .8rem; }
  .mobile-break { display: initial; }
  .install-workspace { width: calc(100% - 24px); grid-template-columns: 1fr; }
  .install-pane, .options-pane { padding: 20px; }
  .install-pane { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .bookmarklet-button { min-height: 60px; }
  .shortcut-box { flex-wrap: wrap; }
  .mobile-notice { width: calc(100% - 32px); margin: 14px auto 0; display: block; color: #8d8b9d; text-align: center; font-size: .7rem; }
  .section-block { width: calc(100% - 24px); padding-top: 48px; }
  .step-grid, .feature-grid { grid-template-columns: 1fr; gap: 18px; }
  .step-grid article { min-height: 175px; }
  .step-grid article:not(:last-child)::after { display: none; }
  .feature-grid article { min-height: auto; }
  .page-footer { width: calc(100% - 24px); padding: 22px 0; text-align: center; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .bookmarklet-button, .toast { transition: none; } }