:root { color-scheme: dark; font-family: Inter, "Segoe UI", Arial, sans-serif; background: #122336; color: #fff; }
* { box-sizing: border-box; }
html, body { margin: 0; width: 100%; height: 100%; overflow: hidden; }
button, input { font: inherit; }
button { color: inherit; cursor: pointer; }
button:disabled { cursor: wait; opacity: .5; }
button:focus-visible, input:focus-visible, [tabindex]:focus-visible, a:focus-visible { outline: 3px solid #e8c894; outline-offset: 4px; }
[hidden] { display: none !important; }
#compare { position: relative; width: 100%; height: 100%; height: 100dvh; overflow: hidden; isolation: isolate; --split: 50%; --blend: .5; }
.pane { position: absolute; inset: 0; overflow: hidden; background: #122336; }
.pane-before { z-index: 1; }
.pane-after { z-index: 2; }
.viewport { position: absolute; inset: 0; }
.viewport iframe { display: block; width: 100%; height: 100%; border: 0; }
/* Both full-width viewports keep identical geometry; only the mask changes. */
[data-mode="split"] .pane-before { clip-path: inset(0 calc(100% - var(--split)) 0 0); }
[data-mode="split"] .pane-after { clip-path: inset(0 0 0 var(--split)); }
[data-mode="side"] .pane-before { right: 50%; }
[data-mode="side"] .pane-after { left: 50%; }
[data-mode="blend"] .pane-after { opacity: var(--blend); }
[data-mode="before"] .pane-after, [data-mode="after"] .pane-before { visibility: hidden; pointer-events: none; }
.vignette { position: absolute; inset: 0; z-index: 3; pointer-events: none; background: linear-gradient(180deg, #09142275, transparent 23%, transparent 73%, #0914229c); }
.topbar { position: absolute; z-index: 5; top: max(22px, env(safe-area-inset-top)); left: max(26px, env(safe-area-inset-left)); right: max(26px, env(safe-area-inset-right)); display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; pointer-events: none; }
.brand { font-size: 11px; line-height: 13px; letter-spacing: .24em; font-weight: 700; text-shadow: 0 1px 8px #0007; color: inherit; text-decoration: none; pointer-events: auto; }
.heading { margin-top: 9px; font-size: 23px; line-height: 26px; font-weight: 500; letter-spacing: -.035em; text-shadow: 0 1px 12px #0008; }
.preview-badge { padding: 9px 12px; border: 1px solid #ffffff50; border-radius: 6px; background: #122336c7; font-size: 11px; letter-spacing: .06em; text-align: right; max-width: 205px; line-height: 1.5; }
.side-label { position: absolute; top: calc(max(22px, env(safe-area-inset-top)) + 54px); z-index: 5; border: 1px solid #ffffff50; border-radius: 5px; padding: 9px 14px; background: #1223369e; color: #fff; font-size: 11px; font-weight: 650; letter-spacing: .14em; pointer-events: none; max-width: 43%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.has-heading .side-label { top: calc(max(22px, env(safe-area-inset-top)) + 57px); }
.label-before { left: max(26px, env(safe-area-inset-left)); }
.label-after { right: max(26px, env(safe-area-inset-right)); }
[data-mode="after"] .label-before, [data-mode="before"] .label-after { visibility: hidden; }
.divider { position: absolute; z-index: 6; top: 0; bottom: 0; width: 44px; left: var(--split); transform: translateX(-50%); cursor: ew-resize; touch-action: none; outline: none; }
.divider:focus-visible { outline: none; outline-offset: 0; }
.divider::before { content: ""; position: absolute; left: 21px; width: 2px; top: 0; bottom: 0; background: white; box-shadow: 0 0 16px #0007; }
.grip { position: absolute; top: 50%; left: 0; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: #f5f1e9; box-shadow: 0 3px 18px #0006; color: #122336; transform: translateY(-50%); }
.grip svg { width: 23px; height: 23px; }
.divider:focus-visible .grip { outline: none; }
[data-mode="side"]::after { content: ""; position: absolute; z-index: 4; top: 0; bottom: 0; left: 50%; width: 1px; background: #ffffffa0; pointer-events: none; }
.drag-shield { position: absolute; z-index: 4; inset: 0; cursor: ew-resize; touch-action: none; }
.bottom { position: absolute; z-index: 7; bottom: max(24px, env(safe-area-inset-bottom)); left: max(16px, env(safe-area-inset-left)); right: max(16px, env(safe-area-inset-right)); display: flex; align-items: center; flex-direction: column; gap: 8px; pointer-events: none; }
.panel-content { display: flex; align-items: center; flex-direction: column; gap: 10px; width: 100%; max-height: 260px; opacity: 1; transform: translateY(0); overflow: hidden; pointer-events: none; transition: max-height .30s cubic-bezier(.2,.8,.2,1), opacity .20s ease, transform .30s cubic-bezier(.2,.8,.2,1); }
.bottom.is-collapsed .panel-content { max-height: 0; opacity: 0; transform: translateY(14px); }
.panel-expand { position: absolute; left: 50%; bottom: 0; width: 42px; height: 30px; padding: 0; border: 1px solid #ffffff29; border-radius: 9px 9px 5px 5px; background: #122336eb; color: #fff; box-shadow: 0 6px 24px #0003; display: grid; place-items: center; opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 10px) scale(.94); transition: opacity .16s ease, transform .24s cubic-bezier(.2,.8,.2,1), visibility 0s linear .24s, background .15s; }
.panel-expand:hover { background: #1b3550f2; }
.panel-expand svg { width: 18px; height: 18px; transform: rotate(180deg); }
.bottom.is-collapsed .panel-expand { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0) scale(1); transition: opacity .20s ease .10s, transform .26s cubic-bezier(.2,.8,.2,1) .06s, visibility 0s linear 0s, background .15s; }
.toolbar { display: flex; align-items: center; gap: 3px; padding: 6px; border: 1px solid #ffffff29; border-radius: 13px; background: #122336eb; box-shadow: 0 10px 40px #0003; pointer-events: auto; max-width: 100%; }
.modes, .tools { display: flex; align-items: center; gap: 3px; }
.tools { margin-left: 5px; padding-left: 7px; border-left: 1px solid #ffffff2e; }
.toolbar button { min-height: 42px; min-width: 42px; padding: 0 14px; border: 0; border-radius: 8px; background: transparent; font-size: 12px; white-space: nowrap; transition: background .15s; }
.toolbar button:hover { background: #ffffff17; }
.toolbar button[aria-pressed="true"] { background: #f3eee5; color: #122336; }
#fullscreen[aria-pressed="true"] { background: #ffffff17; color: #fff; }
.tools button { padding: 0 10px; display: grid; place-items: center; }
.tools svg { width: 18px; height: 18px; }
.panel-toggle svg { transition: transform .22s ease; }
.blend-control { pointer-events: auto; border: 1px solid #ffffff30; background: #122336e8; border-radius: 9px; padding: 11px 15px; display: flex; align-items: center; gap: 12px; font-size: 11px; }
.blend-control input { accent-color: #e8c894; width: min(190px, 40vw); cursor: pointer; }
.blend-control output { min-width: 32px; text-align: right; font-variant-numeric: tabular-nums; }
.start-loader { position: absolute; inset: 0; z-index: 30; display: flex; align-items: center; justify-content: center; padding: 28px; background: radial-gradient(circle at 50% 38%, rgba(212,175,55,.075), transparent 32%), radial-gradient(circle at 50% 100%, rgba(255,255,255,.035), transparent 30%), linear-gradient(180deg, #050505 0%, #0a0a09 46%, #030303 100%); opacity: 1; visibility: visible; pointer-events: auto; transition: opacity .85s cubic-bezier(.22,.61,.36,1), visibility 0s linear; }
.start-loader.is-finished { opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .85s cubic-bezier(.22,.61,.36,1), visibility 0s linear .85s; }
.start-loader-inner { position: relative; width: min(300px, 74vw); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; text-align: center; transform: translateY(-8px); }
.start-loader-picture { display: block; line-height: 0; }
.start-loader-logo { width: min(168px, 46vw); height: auto; display: block; opacity: .96; filter: drop-shadow(0 18px 34px rgba(0,0,0,.55)) drop-shadow(0 0 18px rgba(212,175,55,.10)); animation: walkintoStartLogoFloat 2.8s ease-in-out infinite; }
.start-loader-progress { position: relative; width: min(242px, 58vw); height: 2px; margin-top: 0; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,.105); box-shadow: 0 0 0 1px rgba(212,175,55,.055), 0 12px 26px rgba(0,0,0,.35); }
.start-loader-progress span { display: block; width: 0%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, rgba(212,175,55,.18), rgba(252,246,186,.92), rgba(212,175,55,.36)); box-shadow: 0 0 16px rgba(212,175,55,.28); transition: width .42s cubic-bezier(.22,.61,.36,1); }
@keyframes walkintoStartLogoFloat { 0%, 100% { opacity: .88; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-2px); } }
.status { position: absolute; inset: 0; z-index: 31; background: #102032f2; display: grid; place-items: center; padding: 24px; }
.status-card { max-width: 540px; width: 100%; padding: 30px; border: 1px solid #ffffff28; border-radius: 16px; background: #182e44; box-shadow: 0 20px 100px #0005; }
.status h1 { font-size: 21px; line-height: 1.5; margin: 0 0 12px; }
.status p { font-size: 14px; line-height: 1.85; color: #d4deea; margin: 0 0 14px; }
.status code { overflow-wrap: anywhere; }
.status a { color: #efd2a3; text-underline-offset: 4px; }
.status-actions { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; margin-top: 22px; }
.status button { border: 1px solid #ffffff38; border-radius: 7px; background: #ffffff10; padding: 11px 15px; font-size: 13px; }
.notice { position: absolute; z-index: 25; top: 50%; left: 50%; transform: translate(-50%, -50%); background: #122336f5; border: 1px solid #ffffff35; padding: 16px 22px; border-radius: 9px; font-size: 13px; max-width: 90%; text-align: center; }
@media (max-width: 740px) {
  .topbar { top: max(18px, env(safe-area-inset-top)); left: 18px; right: 18px; }
  .brand { font-size: 10px; line-height: 12px; letter-spacing: .20em; }
  .heading { font-size: 20px; line-height: 23px; }
  .preview-badge { font-size: 9px; max-width: 140px; }
  .side-label { top: calc(max(18px, env(safe-area-inset-top)) + 48px); padding: 8px 11px; font-size: 10px; }
  .has-heading .side-label { top: calc(max(18px, env(safe-area-inset-top)) + 53px); }
  .label-before { left: 18px; } .label-after { right: 18px; }
  .bottom { left: max(4px, env(safe-area-inset-left)); right: max(4px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); }
  .panel-content { width: 100%; }
  .toolbar { width: 100%; flex-direction: column; gap: 3px; border-radius: 12px; padding: 5px; }
  .modes { width: 100%; justify-content: space-between; gap: 2px; }
  .toolbar .modes button { min-width: max-content; flex: 0 0 auto; padding: 0 6px; font-size: 10.5px; }
  .tools { border-left: 0; border-top: 1px solid #ffffff20; margin-left: 0; padding: 3px 0 0; justify-content: center; width: 100%; }
  .tools button { min-height: 35px; width: 48px; }
  .start-loader-inner { width: min(280px, 78vw); gap: 22px; transform: translateY(-5px); }
  .start-loader-logo { width: min(154px, 48vw); }
  .start-loader-progress { width: min(220px, 62vw); }
}
@media (max-width: 370px) {
  .bottom { left: 2px; right: 2px; }
  .toolbar .modes button { padding: 0 4px; font-size: 10px; }
  .modes { gap: 1px; }
}
@media (max-height: 460px) and (min-width: 741px) {
  .topbar { top: 12px; }
  .heading { margin-top: 4px; font-size: 17px; line-height: 20px; }
  .side-label { top: 50px; }
  .has-heading .side-label { top: 53px; }
  .bottom { bottom: 8px; }
  .toolbar { flex-direction: row; width: auto; }
  .modes { width: auto; }
  .tools { border-top: 0; border-left: 1px solid #ffffff20; padding: 0 0 0 4px; width: auto; }
  .tools button { width: 34px; min-width: 34px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }