.error-pages,.ep-panel{--ep-client:var(--brand-red);--ep-server:#d97706;--ep-ink:var(--heading-color);--ep-line:color-mix(in srgb, var(--default-color), transparent 86%);--ep-radius:20px}.ep-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.ep-intro{color:color-mix(in srgb, var(--default-color), transparent 20%);margin:0}.ep-lang{border:1px solid var(--ep-line);background:var(--surface-color);border-radius:999px;padding:4px;display:inline-flex}.ep-lang a{min-width:48px;font-family:var(--nav-font);letter-spacing:.08em;text-align:center;color:var(--default-color);border-radius:999px;padding:6px 14px;font-size:.8rem;font-weight:600;transition:background-color .2s,color .2s}.ep-lang a:hover{color:var(--ep-ink)}.ep-lang a.active{background:var(--ep-ink);color:var(--contrast-color)}.ep-tabs ul{grid-template-columns:repeat(8,minmax(0,1fr));gap:10px;margin:0 0 2rem;padding:0;list-style:none;display:grid}.ep-tab{--ep-tone:var(--ep-client);border:1px solid var(--ep-line);background:var(--surface-color);height:100%;color:var(--default-color);border-radius:14px;flex-direction:column;gap:4px;padding:14px 14px 12px;transition:border-color .2s,transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.ep-tab.is-server{--ep-tone:var(--ep-server)}.ep-tab:before{content:"";background:var(--ep-tone);transform-origin:0;height:3px;transition:transform .3s;position:absolute;inset:0 0 auto;transform:scaleX(0)}.ep-tab-code{font-family:var(--heading-font);color:var(--ep-ink);font-size:1.35rem;font-weight:800;line-height:1}.ep-tab-label{color:color-mix(in srgb, var(--default-color), transparent 25%);font-size:.75rem;line-height:1.3}.ep-tab:hover{border-color:color-mix(in srgb, var(--ep-tone), transparent 50%);transform:translateY(-2px)}.ep-tab:focus-visible{outline:3px solid color-mix(in srgb, var(--ep-tone), transparent 40%);outline-offset:2px}.ep-tab.active{border-color:var(--ep-tone);box-shadow:0 10px 24px color-mix(in srgb, var(--ep-tone), transparent 82%)}.ep-tab.active:before{transform:scaleX(1)}.ep-tab.active .ep-tab-code{color:var(--ep-tone)}.ep-panel{--ep-tone:var(--ep-client);border:1px solid var(--ep-line);border-radius:var(--ep-radius);background:var(--surface-color);box-shadow:0 24px 60px color-mix(in srgb, var(--ep-ink), transparent 90%);grid-template-columns:minmax(260px,5fr) 7fr;display:grid;overflow:hidden}.ep-panel.is-server{--ep-tone:var(--ep-server)}.ep-visual{background:radial-gradient(circle at 1px 1px, #ffffff26 1px, transparent 0) 0 0 / 22px 22px, radial-gradient(120% 90% at 0% 0%, color-mix(in srgb, var(--ep-tone), transparent 55%), transparent 60%), var(--ep-ink);isolation:isolate;place-items:center;min-height:320px;padding:2.5rem 1.5rem;display:grid;position:relative}.ep-code{font-family:var(--heading-font);letter-spacing:-.04em;color:#0000;-webkit-text-stroke:2px #ffffffd9;text-shadow:6px 6px 0 color-mix(in srgb, var(--ep-tone), transparent 35%);font-size:clamp(5.5rem,12vw,9.5rem);font-weight:900;line-height:1}.ep-icon{background:var(--ep-tone);color:#fff;width:56px;height:56px;box-shadow:0 10px 24px color-mix(in srgb, var(--ep-tone), transparent 55%);border-radius:16px;place-items:center;font-size:1.6rem;display:grid;position:absolute;bottom:1.5rem;right:1.5rem}.ep-body{padding:clamp(1.75rem,4vw,3rem)}.ep-badge{background:color-mix(in srgb, var(--ep-tone), transparent 88%);color:color-mix(in srgb, var(--ep-tone), #000 25%);letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:5px 12px;font-size:.75rem;font-weight:700;display:inline-block}.ep-title{margin:1rem 0 .25rem;font-size:clamp(1.6rem,3vw,2.25rem);font-weight:800;line-height:1.15}.ep-alt{color:color-mix(in srgb, var(--default-color), transparent 35%);margin:0;font-style:italic}.ep-desc{color:var(--default-color);margin:1rem 0 1.5rem;font-size:1.05rem}.ep-tips-title{letter-spacing:.08em;text-transform:uppercase;color:color-mix(in srgb, var(--default-color), transparent 30%);margin:0 0 .75rem;font-size:.8rem;font-weight:700}.ep-tips{gap:.6rem;margin:0 0 2rem;padding:0;list-style:none;display:grid}.ep-tips li{align-items:flex-start;gap:.6rem;display:flex}.ep-tips i{color:var(--ep-tone);margin-top:2px}.ep-actions{flex-wrap:wrap;gap:.75rem;display:flex}.ep-btn{cursor:pointer;border:1px solid #0000;border-radius:999px;align-items:center;gap:.5rem;padding:12px 24px;font-weight:600;line-height:1.2;transition:background-color .2s,color .2s,border-color .2s,transform .2s;display:inline-flex}.ep-btn:hover{transform:translateY(-2px)}.ep-btn:focus-visible{outline:3px solid color-mix(in srgb, var(--ep-tone), transparent 40%);outline-offset:2px}.ep-btn-primary{background:var(--ep-ink);color:var(--contrast-color)}.ep-btn-primary:hover{background:color-mix(in srgb, var(--ep-ink), #000 20%);color:var(--contrast-color)}.ep-btn-ghost{border-color:var(--ep-line);color:var(--ep-ink);background:0 0}.ep-btn-ghost:hover{border-color:var(--ep-ink);color:var(--ep-ink)}@media (max-width:1199px){.ep-tabs ul{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (max-width:767px){.ep-panel{grid-template-columns:1fr}.ep-visual{min-height:200px;padding:2rem 1rem}.ep-icon{width:46px;height:46px;font-size:1.3rem;bottom:1rem;right:1rem}.ep-tab{align-items:center;padding:12px 6px}.ep-tab-label{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.ep-actions .ep-btn{flex:100%;justify-content:center}}@media (prefers-reduced-motion:reduce){.ep-tab,.ep-tab:before,.ep-btn{transition:none}.ep-tab:hover,.ep-btn:hover{transform:none}}