/* Phase 04D: design2 Premium product and read-only traffic experience. */
.ff-premium-page{overflow:hidden;color:var(--ff-text-primary);background:linear-gradient(180deg,var(--ff-bg-surface) 0,var(--ff-bg-surface) 21rem,var(--ff-bg-page) 21rem,var(--ff-bg-page) 100%)}
.ff-premium-wrap{width:min(calc(100% - 2 * var(--ff-page-gutter)),var(--ff-public-max-width));margin-inline:auto}
.ff-premium-hero{position:relative;padding:clamp(3.75rem,7vw,6.6rem) 0 clamp(3rem,5vw,5rem);background:radial-gradient(circle at 85% 5%,rgba(114,86,216,.1),transparent 26rem),radial-gradient(circle at 54% 55%,rgba(40,85,217,.055),transparent 22rem)}
.ff-premium-hero::after{content:"";position:absolute;right:0;bottom:0;left:0;height:1px;background:linear-gradient(90deg,transparent,rgba(40,85,217,.38),rgba(114,86,216,.38),transparent)}
.ff-premium-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(20rem,.85fr);gap:clamp(2rem,7vw,6rem);align-items:end}
.ff-premium-eyebrow,.ff-premium-section-label{margin:0 0 .75rem;color:var(--ff-accent-text);font-size:.72rem;font-weight:800;letter-spacing:.12em}
.ff-premium-hero h1{max-width:12em;margin:0;color:var(--ff-text-primary);font-size:clamp(2.45rem,2rem + 2.1vw,4.25rem);font-weight:800;line-height:1.14;letter-spacing:-.055em}
.ff-premium-lead{max-width:41rem;margin:1.4rem 0 0;color:var(--ff-text-secondary);font-size:1.05rem;line-height:1.8}
.ff-premium-hero-fact{position:relative;display:grid;gap:.5rem;padding:1.35rem 0 1.35rem 1.55rem;border-left:3px solid var(--ff-brand-primary)}
.ff-premium-hero-fact span{color:var(--ff-accent-secondary);font-size:.78rem;font-weight:800;letter-spacing:.06em}.ff-premium-hero-fact strong{font-size:1rem;line-height:1.55}.ff-premium-hero-fact small{color:var(--ff-text-muted);font-size:.79rem;line-height:1.65}
.ff-premium-current-inline{display:inline-flex;align-items:center;gap:.45rem;margin:1.2rem 0 0;padding:.45rem .7rem;color:var(--ff-text-secondary);background:var(--ff-bg-subtle);border:1px solid var(--ff-border);border-radius:var(--ff-radius-pill);font-size:.76rem}.ff-premium-current-inline strong{color:var(--ff-text-primary)}.ff-premium-current-inline a{margin-left:.25rem;font-weight:750;text-decoration:none}
.ff-premium-account{background:var(--ff-bg-surface);border-bottom:1px solid var(--ff-border)}
.ff-premium-account>.ff-premium-wrap{padding-block:clamp(2.5rem,5vw,4rem)}
.ff-premium-account-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:1.25rem;margin-bottom:1.7rem}.ff-premium-account-heading h2{margin:0;font-size:clamp(1.55rem,1.35rem + .7vw,2rem);letter-spacing:-.025em}.ff-premium-account-heading p:not(.ff-premium-section-label){margin:.45rem 0 0;color:var(--ff-text-muted);font-size:.85rem}.ff-premium-account-heading>a{color:var(--ff-link)!important;font-size:.86rem;font-weight:750;text-decoration:none!important}
.ff-premium-free-state{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;border:1px solid var(--ff-border);border-radius:var(--ff-radius-lg);box-shadow:var(--ff-shadow-sm)}.ff-premium-free-state>div{display:grid;gap:.3rem;padding:1.35rem 1.5rem}.ff-premium-free-state>div+div{border-left:1px solid var(--ff-border)}.ff-premium-free-state span{color:var(--ff-text-muted);font-size:.78rem}.ff-premium-free-state strong{font-size:1.1rem}.ff-premium-free-state>p{grid-column:1/-1;margin:0;padding:1rem 1.5rem;color:var(--ff-text-secondary);background:var(--ff-bg-subtle);font-size:.84rem;line-height:1.65}
.ff-premium-traffic-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(20rem,.65fr);gap:1px;overflow:hidden;background:var(--ff-border);border:1px solid var(--ff-border);border-radius:var(--ff-radius-lg);box-shadow:var(--ff-shadow-sm)}
.ff-premium-traffic-primary,.ff-premium-breakdown{background:var(--ff-bg-surface)}.ff-premium-traffic-primary{padding:clamp(1.35rem,3vw,2rem)}
.ff-premium-traffic-title{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.ff-premium-traffic-title>div{display:grid;gap:.35rem}.ff-premium-traffic-title span{color:var(--ff-text-muted);font-size:.79rem}.ff-premium-traffic-title strong{font-size:clamp(1.65rem,1.35rem + 1vw,2.25rem);line-height:1.2;letter-spacing:-.035em}.ff-premium-mode{display:inline-flex;padding:.4rem .65rem;color:var(--ff-accent-text)!important;background:var(--ff-selection-bg);border-radius:var(--ff-radius-pill);font-size:.73rem!important;font-weight:750;white-space:nowrap}.ff-premium-mode.is-exhausted{color:var(--ff-warning)!important;background:var(--ff-warning-bg)}
.ff-premium-traffic-primary progress{width:100%;height:.7rem;margin:1.5rem 0 .9rem;overflow:hidden;color:var(--ff-accent-text);appearance:none;border:0;border-radius:var(--ff-radius-pill);background:var(--ff-progress-track)}.ff-premium-traffic-primary progress::-webkit-progress-bar{background:var(--ff-progress-track);border-radius:inherit}.ff-premium-traffic-primary progress::-webkit-progress-value{background:var(--ff-progress-fill);border-radius:inherit}.ff-premium-traffic-primary progress::-moz-progress-bar{background:var(--ff-progress-fill);border-radius:inherit}
.ff-premium-traffic-meta{display:flex;flex-wrap:wrap;gap:.55rem 1.2rem;color:var(--ff-text-muted);font-size:.77rem}.ff-premium-traffic-meta strong{color:var(--ff-text-primary)}.ff-premium-mode-code{margin-left:auto}.ff-premium-mode-code code{color:var(--ff-accent-secondary);font-size:.71rem}
.ff-premium-breakdown{display:grid;grid-template-columns:1fr}.ff-premium-breakdown>div{display:grid;grid-template-columns:1fr auto;gap:.12rem 1rem;padding:1rem 1.3rem;align-content:center}.ff-premium-breakdown>div+div{border-top:1px solid var(--ff-border)}.ff-premium-breakdown span{color:var(--ff-text-secondary);font-size:.8rem}.ff-premium-breakdown strong{font-size:.96rem}.ff-premium-breakdown small{grid-column:1/-1;color:var(--ff-text-muted);font-size:.7rem}
.ff-premium-reserve{display:grid;grid-template-columns:1fr auto;gap:.35rem 1.5rem;align-items:center;margin-top:1rem;padding:1rem 1.25rem;background:var(--ff-premium-bg);border:1px solid rgba(114,86,216,.22);border-radius:var(--ff-radius-md)}.ff-premium-reserve>span{font-size:.82rem;font-weight:750}.ff-premium-reserve>strong{color:var(--ff-accent-secondary);font-size:1.05rem}.ff-premium-reserve>p{grid-column:1/-1;margin:0;color:var(--ff-text-secondary);font-size:.76rem;line-height:1.55}
.ff-premium-notice{display:flex;align-items:flex-start;gap:.5rem 1rem;margin-top:1rem;padding:1rem 1.2rem;border:1px solid;border-radius:var(--ff-radius-md);font-size:.82rem}.ff-premium-notice strong{white-space:nowrap}.ff-premium-notice--neutral{margin-top:0;color:var(--ff-info);background:var(--ff-info-bg);border-color:var(--ff-info-border)}.ff-premium-notice--reserve{color:var(--ff-accent-secondary);background:var(--ff-premium-bg);border-color:rgba(114,86,216,.25)}.ff-premium-notice--exhausted{color:var(--ff-warning);background:var(--ff-warning-bg);border-color:var(--ff-warning-border)}
.ff-premium-page main.ff-premium-wrap{padding:clamp(3.5rem,7vw,6rem) 0}.ff-premium-page main>section+section{margin-top:clamp(4rem,8vw,7rem)}
.ff-premium-section-heading{max-width:43rem;margin-bottom:1.8rem}.ff-premium-section-heading h2{margin:0;color:var(--ff-text-primary);font-size:clamp(1.7rem,1.45rem + .8vw,2.25rem);letter-spacing:-.03em}.ff-premium-section-heading>p:last-child{margin:.75rem 0 0;color:var(--ff-text-secondary);line-height:1.7}
.ff-premium-tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;background:var(--ff-bg-surface);border:1px solid var(--ff-border);border-radius:var(--ff-radius-lg);box-shadow:var(--ff-shadow-sm)}
.ff-premium-tier{position:relative;padding:clamp(1.4rem,2.3vw,2rem)}.ff-premium-tier+.ff-premium-tier{border-left:1px solid var(--ff-border)}.ff-premium-tier--premium{background:linear-gradient(180deg,rgba(40,85,217,.045),var(--ff-bg-surface) 35%)}.ff-premium-tier--pro{background:linear-gradient(180deg,rgba(114,86,216,.055),var(--ff-bg-surface) 35%)}.ff-premium-tier.is-current::before{content:"";position:absolute;top:0;right:0;left:0;height:3px;background:linear-gradient(90deg,var(--ff-brand-primary),var(--ff-brand-accent))}
.ff-premium-tier-head{min-height:3.15rem;display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem}.ff-premium-tier-head>div{display:flex;align-items:baseline;gap:.6rem}.ff-premium-tier-index{color:var(--ff-accent-text);font-family:var(--ff-font-mono);font-size:.68rem}.ff-premium-tier h3{margin:0;font-size:1.35rem;letter-spacing:-.025em}.ff-premium-current,.ff-premium-fit{display:inline-flex;align-items:center;min-height:1.7rem;padding:.25rem .5rem;border-radius:var(--ff-radius-pill);font-size:.68rem;font-weight:750;white-space:nowrap}.ff-premium-current{color:#fff;background:linear-gradient(100deg,var(--ff-brand-primary),var(--ff-brand-accent))}.ff-premium-fit{color:var(--ff-accent-secondary);background:var(--ff-premium-bg)}
.ff-premium-tier>p{min-height:2.8rem;margin:.6rem 0 1.2rem;color:var(--ff-text-secondary);font-size:.85rem;line-height:1.6}.ff-premium-tier dl{margin:0}.ff-premium-tier dl>div{display:grid;gap:.22rem;padding:.75rem 0;border-top:1px solid var(--ff-border)}.ff-premium-tier dt{color:var(--ff-text-muted);font-size:.72rem;font-weight:500}.ff-premium-tier dd{margin:0;color:var(--ff-text-primary);font-size:.88rem;font-weight:750}.ff-premium-speed-note{margin:.8rem .2rem 0;color:var(--ff-text-muted);font-size:.73rem;line-height:1.6}
.ff-premium-price-rails{overflow:hidden;background:var(--ff-bg-surface);border:1px solid var(--ff-border);border-radius:var(--ff-radius-lg);box-shadow:var(--ff-shadow-sm)}.ff-premium-price-rails>section{display:grid;grid-template-columns:minmax(12rem,.32fr) minmax(0,.68fr);align-items:center;padding:1.45rem clamp(1.25rem,3vw,2rem)}.ff-premium-price-rails>section+section{border-top:1px solid var(--ff-border)}.ff-premium-price-rails>section>div h3{margin:0;font-size:1.2rem}.ff-premium-price-rails>section>div span{display:block;margin-top:.3rem;color:var(--ff-text-muted);font-size:.75rem}.ff-premium-price-rails ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:0;list-style:none}.ff-premium-price-rails li{display:grid;gap:.3rem;padding:.45rem 1rem;border-left:1px solid var(--ff-border)}.ff-premium-price-rails li>span{color:var(--ff-text-secondary);font-size:.76rem}.ff-premium-price-rails li>strong{font-size:1rem}.ff-premium-price-rails li small{color:var(--ff-text-muted);font-size:.62rem;font-weight:650}.ff-premium-plan-unavailable{margin:0;color:var(--ff-text-muted);font-size:.82rem}.ff-premium-purchase-state{display:flex;align-items:center;gap:.5rem;margin:.85rem 0 0;color:var(--ff-text-muted);font-size:.75rem}.ff-premium-purchase-state>span{width:1.25rem;height:1.25rem;display:grid;place-items:center;color:var(--ff-accent-text);border:1px solid var(--ff-border-strong);border-radius:50%;font-size:.68rem;font-weight:800}
.ff-premium-detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--ff-border);border-block:1px solid var(--ff-border)}.ff-premium-detail-grid>div{padding:1.75rem 2rem;background:var(--ff-bg-page)}.ff-premium-detail-grid span{color:var(--ff-accent-text);font-family:var(--ff-font-mono);font-size:.68rem}.ff-premium-detail-grid h3{margin:.7rem 0 .45rem;font-size:1rem}.ff-premium-detail-grid p{margin:0;color:var(--ff-text-secondary);font-size:.82rem;line-height:1.7}
.ff-premium-faq-list{border-top:1px solid var(--ff-border)}.ff-premium-faq-list details{border-bottom:1px solid var(--ff-border)}.ff-premium-faq-list summary{position:relative;padding:1.25rem 2.5rem 1.25rem 0;color:var(--ff-text-primary);font-size:.95rem;font-weight:750;cursor:pointer;list-style:none}.ff-premium-faq-list summary::-webkit-details-marker{display:none}.ff-premium-faq-list summary::after{content:"＋";position:absolute;right:.25rem;color:var(--ff-accent-text);font-size:1.1rem}.ff-premium-faq-list details[open] summary::after{content:"−"}.ff-premium-faq-list summary:focus-visible{outline:3px solid var(--ff-focus);outline-offset:3px;border-radius:var(--ff-radius-xs)}.ff-premium-faq-list p{max-width:48rem;margin:-.35rem 0 1.25rem;color:var(--ff-text-secondary);font-size:.86rem;line-height:1.75}
.ff-premium-addon-copy{display:grid;grid-template-columns:minmax(12rem,.32fr) minmax(0,.68fr);gap:.75rem 2rem;margin-top:1.25rem;padding:1.4rem 1.6rem;background:var(--ff-bg-surface);border:1px solid var(--ff-border);border-radius:var(--ff-radius-lg);box-shadow:var(--ff-shadow-sm)}.ff-premium-addon-copy h3{margin:0;font-size:1.15rem}.ff-premium-addon-copy p{margin:0;color:var(--ff-text-secondary);font-size:.82rem;line-height:1.7}.ff-premium-addon-copy>p:last-child{grid-column:2}.ff-premium-package-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;margin:0;padding:0;background:var(--ff-bg-surface);border:1px solid var(--ff-border);border-radius:var(--ff-radius-lg);box-shadow:var(--ff-shadow-sm);list-style:none}.ff-premium-package-list li{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:1.25rem 1.4rem}.ff-premium-package-list li+li{border-left:1px solid var(--ff-border)}.ff-premium-package-list li>span:first-child{color:var(--ff-text-secondary);font-size:.78rem}.ff-premium-package-list li>span:first-child strong{color:var(--ff-text-primary);font-size:1.2rem}.ff-premium-package-list li>span:last-child{font-size:1rem;font-weight:800}.ff-premium-package-list small{color:var(--ff-text-muted);font-size:.62rem}.ff-premium-package-state{margin:.8rem 0 0;color:var(--ff-text-muted);font-size:.75rem}
@media(max-width:63.99rem){.ff-premium-hero-grid{grid-template-columns:1fr}.ff-premium-hero-fact{max-width:39rem}.ff-premium-traffic-grid{grid-template-columns:1fr}.ff-premium-breakdown{grid-template-columns:repeat(3,minmax(0,1fr))}.ff-premium-breakdown>div+div{border-top:0;border-left:1px solid var(--ff-border)}.ff-premium-price-rails>section{grid-template-columns:1fr;gap:1rem}.ff-premium-price-rails ul{margin-left:-1rem}.ff-premium-price-rails li:first-child{border-left:0}}
@media(max-width:47.99rem){.ff-premium-page{background:var(--ff-bg-page)}.ff-premium-hero{padding-top:3.2rem}.ff-premium-hero h1{font-size:2.55rem}.ff-premium-account-heading{align-items:flex-start;flex-direction:column}.ff-premium-free-state{grid-template-columns:1fr}.ff-premium-free-state>div+div{border-top:1px solid var(--ff-border);border-left:0}.ff-premium-tiers{grid-template-columns:1fr}.ff-premium-tier+.ff-premium-tier{border-top:1px solid var(--ff-border);border-left:0}.ff-premium-tier>p{min-height:0}.ff-premium-tier dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem}.ff-premium-detail-grid{grid-template-columns:1fr}.ff-premium-detail-grid>div+div{border-top:1px solid var(--ff-border)}.ff-premium-notice{flex-direction:column}}
@media(max-width:35rem){.ff-premium-traffic-title{align-items:flex-start;flex-direction:column}.ff-premium-mode-code{width:100%;margin-left:0}.ff-premium-breakdown{grid-template-columns:1fr}.ff-premium-breakdown>div+div{border-top:1px solid var(--ff-border);border-left:0}.ff-premium-price-rails ul{grid-template-columns:repeat(2,minmax(0,1fr));margin-left:0}.ff-premium-price-rails li{border-left:0}.ff-premium-price-rails li:nth-child(even){border-left:1px solid var(--ff-border)}.ff-premium-price-rails li:nth-child(n+3){border-top:1px solid var(--ff-border)}.ff-premium-tier dl{grid-template-columns:1fr}.ff-premium-reserve{grid-template-columns:1fr}.ff-premium-reserve>p{grid-column:1}.ff-premium-hero-fact{padding-left:1rem}.ff-premium-traffic-meta{display:grid;grid-template-columns:1fr}.ff-premium-page main.ff-premium-wrap{padding-top:3.5rem}}
@media(max-width:47.99rem){.ff-premium-addon-copy{grid-template-columns:1fr}.ff-premium-addon-copy>p:last-child{grid-column:1}.ff-premium-package-list{grid-template-columns:1fr}.ff-premium-package-list li+li{border-top:1px solid var(--ff-border);border-left:0}.ff-premium-current-inline{align-items:flex-start;flex-wrap:wrap;border-radius:var(--ff-radius-md)}}