:root { --snb-brand-accent: #047ed3; --snb-brand-highlight: #209fe1; --snb-deep: #031b5b; --snb-line: #c7dff2; }
.snb-admin { max-width: 1480px; color: var(--snb-deep); }
.snb-admin__hero { margin: 20px 0; padding: 26px 30px; color: #fff; background: linear-gradient(135deg, #209fe1, #031b5b); border-radius: 20px; box-shadow: 0 18px 50px rgb(3 27 91 / 22%); }
.snb-admin__hero span { font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.snb-admin__hero h1 { margin: 7px 0; color: #fff; font-size: 34px; }
.snb-admin__hero p { margin: 0; color: #fff; font-size: 15px; }
.snb-admin__layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 390px); align-items: start; gap: 20px; }
.snb-admin__layout main { display: grid; gap: 18px; min-width: 0; }
.snb-card, .snb-preview-card { padding: 22px; background: #fff; border: 1px solid var(--snb-line); border-radius: 18px; box-shadow: 0 10px 30px rgb(3 27 91 / 7%); }
.snb-card h2, .snb-preview-card h2 { margin: 0 0 18px; font-size: 18px; }
.snb-step { display: inline-flex; align-items: center; justify-content: center; min-width: 28px; min-height: 22px; margin-bottom: 7px; color: #034e9f; background: #e5f4ff; border-radius: 99px; font-size: 10px; font-weight: 800; }
.snb-card label { display: grid; gap: 7px; font-weight: 650; }
.snb-card input[type="text"], .snb-card select { width: 100%; min-height: 42px; border-color: #b8cee2; border-radius: 9px; }
.snb-card input:focus, .snb-card select:focus, .snb-admin button:focus-visible, .snb-admin a:focus-visible { border-color: var(--snb-brand-accent); outline: 2px solid var(--snb-brand-accent); outline-offset: 2px; box-shadow: none; }
.snb-grid { display: grid; gap: 16px; margin-top: 16px; }
.snb-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.snb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.snb-grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.snb-grid--5 input[type="color"] { width: 100%; height: 44px; padding: 3px; }
.snb-logo-control { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.snb-logo-control img { width: auto; max-width: 240px; height: auto; max-height: 70px; object-fit: contain; }

.snb-experience-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.snb-experience { display: grid; grid-template-rows: auto auto 1fr auto; padding: 14px; border: 2px solid #d4e5f3; border-radius: 14px; background: #fff; transition: border-color .18s ease, box-shadow .18s ease; }
.snb-experience.is-selected { border-color: var(--snb-brand-accent); box-shadow: 0 0 0 3px rgb(4 126 211 / 18%); }
.snb-experience h3 { margin: 12px 0 5px; }
.snb-experience p { margin: 0 0 14px; color: #4f6275; line-height: 1.45; }
.snb-experience .button { min-height: 38px; text-align: center; border-color: var(--snb-brand-accent); border-radius: 8px; color: #034e9f; }
.snb-experience__visual { display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; gap: 5px; height: 76px; padding: 10px; overflow: hidden; background: var(--snb-deep); border-radius: 10px; }
.snb-experience__visual i { display: block; height: 12px; background: linear-gradient(135deg, #209fe1, #031b5b); border-radius: 5px; }
.snb-experience__visual--island { border: 8px solid #eef8f4; border-radius: 22px; }
.snb-experience__visual--bento { grid-template-columns: 1.4fr 1fr 1fr; align-items: stretch; }
.snb-experience__visual--bento i { height: auto; }
.snb-experience__visual--bento i:first-child { grid-row: span 2; }
.snb-experience__visual--editorial { grid-template-columns: .7fr 1.3fr; align-items: stretch; }
.snb-experience__visual--editorial i { height: auto; }
.snb-experience__visual--editorial i:nth-child(n+3) { display: none; }
.snb-experience__visual--minimal i { height: 5px; background: #d1d5db; }

.snb-theme-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.snb-theme { display: grid; gap: 9px; padding: 10px; text-align: left; background: #fff; border: 2px solid #d4e5f3; border-radius: 12px; cursor: pointer; }
.snb-theme.is-selected { border-color: var(--snb-brand-accent); box-shadow: 0 0 0 3px rgb(4 126 211 / 18%); }
.snb-theme i { display: block; height: 58px; background: linear-gradient(120deg, var(--surface) 0 48%, var(--panel) 48% 72%, var(--accent) 72% 84%, var(--text) 84%); border-radius: 8px; box-shadow: inset 0 0 0 2px rgb(255 255 255 / 15%), inset 0 -12px 22px rgb(0 0 0 / 16%); }
.snb-range { padding: 14px; background: #edf7ff; border-radius: 12px; }
.snb-range span { display: flex; justify-content: space-between; }
.snb-range output { color: #034e9f; }
.snb-range input { width: 100%; accent-color: var(--snb-brand-accent); }
.snb-interaction, .snb-typography { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--snb-line); }
.snb-interaction h3, .snb-typography h3 { margin: 0; font-size: 16px; }
.snb-interaction > p, .snb-typography > p { margin: 6px 0 0; color: #52677a; }
.snb-check { grid-template-columns: 22px 1fr !important; align-items: center; min-height: 44px; margin: 9px 0; padding: 10px 12px; background: #edf7ff; border-radius: 10px; }
.snb-check input { width: 18px; height: 18px; margin: 0; }
.snb-advanced { padding: 0; }
.snb-advanced > summary { padding: 20px 22px; cursor: pointer; }
.snb-advanced > summary span { display: grid; gap: 4px; }
.snb-advanced > summary b { font-size: 17px; }
.snb-advanced > summary small { color: #52677a; }
.snb-advanced__body { padding: 0 22px 22px; border-top: 1px solid var(--snb-line); }

.snb-preview-card { position: sticky; top: 46px; min-width: 0; }
.snb-preview-card__heading { display: grid; gap: 12px; }
.snb-preview-devices { display: grid; grid-template-columns: repeat(3, 1fr); padding: 4px; background: #e7f2fb; border-radius: 10px; }
.snb-preview-devices button { min-height: 34px; padding: 4px; border: 0; border-radius: 7px; background: transparent; cursor: pointer; }
.snb-preview-devices button.is-active { color: #fff; background: var(--snb-brand-accent); }
.snb-preview-card .button-primary { width: 100%; min-height: 44px; margin-top: 16px; color: #fff; background: var(--snb-brand-accent); border-color: var(--snb-brand-accent); border-radius: 10px; }
.snb-preview { --preview-accent: #38bdf8; --preview-surface: #0f172a; --preview-panel: #0f172a; --preview-text: #94a3b8; --preview-border: #fff; --preview-navbar-radius: 5px; --preview-panel-radius: 5px; --preview-item-radius: 5px; --preview-border-width: 0px; --preview-heading-size: 16px; --preview-submenu-size: 14px; --preview-item-padding: 12px; --preview-menu-gap: 4px; --preview-menu-font: system-ui, sans-serif; --preview-submenu-font: system-ui, sans-serif; display: flex; flex-direction: column; width: 100%; min-height: 330px; margin: 14px auto 0; padding: 16px; overflow: hidden; color: var(--preview-text); background: #e9f4fc; border-radius: 14px; transition: width .2s ease; }
.snb-preview::before { display: block; margin-bottom: 8px; color: #40566c; content: attr(data-menu-label); font-size: 10px; font-weight: 700; text-transform: uppercase; }
.snb-preview[data-viewport="tablet"] { width: 82%; }
.snb-preview[data-viewport="mobile"] { width: 48%; min-width: 220px; }
.snb-preview__bar { position: relative; order: 1; display: flex; align-items: center; gap: var(--preview-menu-gap); padding: 11px; background: var(--preview-surface); border: var(--preview-border-width) solid var(--preview-border); border-radius: var(--preview-navbar-radius); box-shadow: 0 12px 28px rgb(0 0 0 / 18%); }
.snb-preview__bar { font-family: var(--preview-menu-font); }
.snb-preview__bar strong { margin-right: auto; font-size: var(--preview-heading-size); }
.snb-preview__bar strong img { display: block; width: auto; max-width: 95px; height: auto; max-height: 28px; object-fit: contain; }
.snb-preview__links { position: relative; z-index: 1; display: flex; gap: var(--preview-menu-gap); }
.snb-preview__links button { min-height: 32px; padding: calc(var(--preview-item-padding) * .5); color: var(--preview-text); background: transparent; border: 1px solid transparent; border-radius: var(--preview-item-radius); font-size: 10px; line-height: 1.2; cursor: pointer; }
.snb-preview__highlight { position: absolute; z-index: 0; top: 0; left: 0; width: var(--preview-highlight-width, 0); height: var(--preview-highlight-height, 0); background: color-mix(in srgb, var(--preview-accent) 18%, var(--preview-surface)); border: 1px solid color-mix(in srgb, var(--preview-accent) 38%, transparent); border-radius: var(--preview-item-radius); transform: translate(var(--preview-highlight-x, 0), var(--preview-highlight-y, 0)); transition: width 180ms cubic-bezier(.22, 1, .36, 1), height 180ms cubic-bezier(.22, 1, .36, 1), transform 180ms cubic-bezier(.22, 1, .36, 1); }
.snb-preview:not([data-hover-treatment="capsule"]) .snb-preview__highlight { display: none; }
.snb-preview[data-hover-treatment="soft-fill"] .snb-preview__links button:is(:hover, :focus, [aria-expanded="true"]) { background: color-mix(in srgb, var(--preview-accent) 14%, var(--preview-surface)); }
.snb-preview[data-hover-treatment="inner-glow"] .snb-preview__links button:is(:hover, :focus, [aria-expanded="true"]) { box-shadow: inset 0 0 0 1px var(--preview-accent), inset 0 0 12px color-mix(in srgb, var(--preview-accent) 18%, transparent); }
.snb-preview[data-hover-treatment="minimal"] .snb-preview__links button:is(:hover, :focus, [aria-expanded="true"]) { color: var(--preview-accent); }
.snb-preview[data-hover-treatment="underline"] .snb-preview__links button:is(:hover, :focus, [aria-expanded="true"]) { box-shadow: inset 0 -2px var(--preview-accent); }
.snb-preview[data-hover-treatment="accent-edge"] .snb-preview__links button:is(:hover, :focus, [aria-expanded="true"]) { box-shadow: inset 3px 0 var(--preview-accent); }
.snb-preview__bar button { color: var(--preview-text); background: transparent; border: 0; }
.snb-preview__panel { order: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 6px; padding: 12px; visibility: hidden; opacity: 0; filter: none; clip-path: inset(0 0 100% 0 round var(--preview-panel-radius)); pointer-events: none; background: var(--preview-panel); border: var(--preview-border-width) solid transparent; border-radius: var(--preview-panel-radius); box-shadow: none; font-family: var(--preview-submenu-font); transform-origin: top center; transition: opacity 200ms cubic-bezier(.22, 1, .36, 1), transform 200ms cubic-bezier(.22, 1, .36, 1), clip-path 200ms cubic-bezier(.22, 1, .36, 1); }
.snb-preview.is-preview-open .snb-preview__panel { visibility: visible; opacity: 1; filter: none; clip-path: inset(0); pointer-events: auto; border-color: var(--preview-border); box-shadow: 0 12px 28px rgb(0 0 0 / 18%); transform: scale(1); }
.snb-preview[data-panel-animation="clip"] .snb-preview__panel { clip-path: inset(0 0 100% 0 round var(--preview-panel-radius)); }
.snb-preview[data-panel-animation="gentle-scale"] .snb-preview__panel { transform: scale(.985); }
.snb-preview[data-panel-animation="instant"] .snb-preview__panel { transition: none; }
.snb-preview[data-panel-animation].is-preview-open .snb-preview__panel { filter: none; clip-path: inset(0); transform: scale(1); }
.snb-preview__panel i { display: grid; place-items: end start; height: 72px; padding: 8px; background: color-mix(in srgb, var(--preview-accent) 24%, var(--preview-panel)); border: 1px solid var(--preview-border); border-radius: var(--preview-item-radius); font-size: var(--preview-submenu-size); font-style: normal; }
.snb-preview[data-experience="bento"] .snb-preview__bar { flex-wrap: wrap; }
.snb-preview[data-experience="bento"] .snb-preview__links { order: 3; display: grid; grid-template-columns: 1.4fr 1fr 1fr; flex: 1 0 100%; }
.snb-preview[data-experience="bento"] .snb-preview__links button { min-height: 48px; }
.snb-preview[data-experience="editorial"] .snb-preview__bar { align-items: stretch; }
.snb-preview[data-experience="editorial"] .snb-preview__links { display: grid; width: 44%; }
.snb-preview[data-experience="editorial"] .snb-preview__panel { margin-left: 42%; min-height: 150px; }
.snb-preview[data-experience="minimal"] .snb-preview__bar { min-height: 48px; box-shadow: 0 4px 12px rgb(0 0 0 / 8%); }
.snb-preview[data-density="compact"] { --preview-item-padding: 8px; --preview-menu-gap: 1px; }
.snb-preview[data-density="comfortable"] { --preview-item-padding: 16px; --preview-menu-gap: 8px; }
.snb-preview[data-submenu="classic"] .snb-preview__panel { grid-template-columns: 1fr; margin-right: 32%; }
.snb-preview[data-submenu="grouped"] .snb-preview__panel { grid-template-columns: repeat(3, 1fr); }
.snb-preview[data-submenu="split"] .snb-preview__panel { grid-template-columns: .8fr 1.2fr; }
.snb-preview[data-position="bottom"] .snb-preview__bar { order: 2; margin-top: 6px; }
.snb-preview[data-position="bottom"] .snb-preview__panel { order: 1; margin-top: 0; }
.snb-preview[data-position="left"] :is(.snb-preview__bar, .snb-preview__panel) { width: 76%; align-self: flex-start; }
.snb-preview[data-position="right"] :is(.snb-preview__bar, .snb-preview__panel) { width: 76%; align-self: flex-end; }
.snb-preview[data-sticky="sticky"] .snb-preview__bar { box-shadow: 0 0 0 3px rgb(4 126 211 / 28%), 0 12px 28px rgb(0 0 0 / 18%); }
.snb-preview[data-viewport="mobile"] .snb-preview__links { display: none; }
.snb-preview[data-viewport="mobile"] .snb-preview__bar button { display: block; }

.snb-pro-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px; color: #fff; background: linear-gradient(135deg, #209fe1, #031b5b); border-radius: 18px; }
.snb-pro-card h2 { margin: 0 0 8px; color: #fff; }
.snb-pro-card p { max-width: 760px; margin: 0; color: #fff; line-height: 1.5; }
.snb-pro-card .button { flex: none; min-height: 42px; padding: 4px 18px; color: var(--snb-deep); background: #fff; border-color: #fff; border-radius: 9px; }
.notice-success, div.updated { border-left-color: var(--snb-brand-highlight); background-color: var(--snb-brand-accent); color: #fff; border-radius: 12px; }

@media (max-width: 1180px) { .snb-admin__layout { grid-template-columns: minmax(0, 1fr) 320px; } .snb-theme-grid { grid-template-columns: repeat(2, 1fr); } .snb-grid--5 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 960px) { .snb-admin__layout { grid-template-columns: 1fr; } .snb-preview-card { position: static; grid-row: 1; } }
@media (max-width: 782px) { .snb-grid--2, .snb-grid--3, .snb-grid--5, .snb-theme-grid, .snb-experience-grid { grid-template-columns: 1fr; } .snb-admin__hero { padding: 22px; } .snb-pro-card { display: grid; } .snb-preview[data-viewport] { width: 100%; min-width: 0; } }
@media (prefers-reduced-motion: reduce) { .snb-admin * { animation-duration: .001ms !important; transition-duration: .001ms !important; } }