#userGuideModal,#extensionInstallGuideModal{position:fixed;inset:0;z-index:99999;align-items:center;justify-content:center;padding:20px;background:rgba(3,7,18,.75);backdrop-filter:blur(8px);color:var(--text-main,#f1f5f9);font-family:Inter,system-ui,sans-serif}
#userGuideModal .guide-modal-container{display:flex;flex-direction:column;width:min(960px,96vw);max-height:90vh;overflow:hidden;background:var(--bg-base,#0b1222);border:1px solid var(--card-border,#334155);border-radius:22px;box-shadow:0 24px 80px #0006}
#userGuideModal .guide-modal-header{display:flex;align-items:center;justify-content:space-between;padding:24px;gap:16px;border-bottom:1px solid var(--card-border,#334155);flex-shrink:0}
#userGuideModal h2,#extensionInstallGuideModal h2{font-size:22px;color:inherit;margin:0}
#userGuideModal .guide-modal-header p{color:var(--text-muted,#94a3b8);margin-top:5px}
#userGuideModal .guide-nav-tabs{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding:12px 24px;flex-shrink:0}
#userGuideModal .guide-nav-btn{white-space:nowrap;border:1px solid var(--card-border,#334155);border-radius:20px;padding:8px 12px;background:var(--card-bg,#182236);color:inherit;cursor:pointer}
#userGuideModal #guideSearchInput{width:calc(100% - 48px);margin:0 24px 16px;padding:12px;border-radius:10px;border:1px solid var(--card-border,#334155);background:var(--surface-input,#172033);color:inherit;flex-shrink:0}
#userGuideModal .guide-modal-body{overflow-y:auto;min-height:0;padding:0 24px 24px;scroll-behavior:smooth}
#userGuideModal .guide-card{background:var(--card-bg,#151f32);border:1px solid var(--card-border,#334155);border-radius:14px;padding:20px;margin-bottom:14px;scroll-margin-top:12px}
#userGuideModal h3{font-size:17px;color:var(--primary,#60a5fa);margin:0}
#userGuideModal .guide-card p{color:var(--text-main,#e2e8f0)}
#userGuideModal .modal-close,#extensionInstallGuideModal .modal-close{flex-shrink:0;cursor:pointer;border:0;background:transparent;color:inherit;font-size:24px;padding:8px}
#extensionInstallGuideModal .license-modal{padding:28px;border:1px solid var(--card-border,#334155);border-radius:22px;background:var(--bg-base,#0b1222)!important;color:var(--text-main,#f1f5f9)!important}
#extensionInstallGuideModal .license-btn{cursor:pointer;padding:12px 20px;border:0;border-radius:12px;color:#fff;background:var(--primary,#2563eb);font-weight:600}
@media(max-width:600px){#userGuideModal,#extensionInstallGuideModal{padding:8px}#userGuideModal .guide-modal-header{padding:16px}#userGuideModal .guide-modal-body{padding:0 12px 12px}}
@media(prefers-reduced-motion:reduce){#userGuideModal .guide-modal-body{scroll-behavior:auto}}