/* V7.18.0 — Fullscreen Button Studio · Forastudio-parity controls */
.fullscreen-button-page{display:grid;gap:18px}
.fsb-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px 28px;border:1px solid #dfe8f2;border-radius:24px;background:linear-gradient(135deg,#fff,#f4f9ff);box-shadow:0 15px 38px rgba(35,83,126,.07)}
.fsb-hero h2{margin:5px 0 8px;font-size:30px;letter-spacing:-.035em}.fsb-hero p{margin:0;max-width:780px;color:#667a93;line-height:1.55}.fsb-hero-mark{display:grid;place-items:center;width:104px;height:76px;flex:0 0 auto;border-radius:22px;background:linear-gradient(135deg,#1e9ed7,#6558e8);color:#fff;font-size:38px;box-shadow:0 14px 30px rgba(64,79,202,.22)}
.fsb-layout{display:grid;grid-template-columns:minmax(430px,.94fr) minmax(480px,1.06fr);gap:18px;align-items:start}.fsb-panel{padding:22px;border:1px solid #dfe8f2;border-radius:22px;background:#fff;box-shadow:0 10px 28px rgba(35,83,126,.05)}.fsb-editor-panel{display:grid;gap:0}.fsb-preview-panel{position:sticky;top:96px}
.fsb-section{padding:0 0 22px;margin:0 0 22px;border-bottom:1px solid #e9f0f6}.fsb-section:last-child{padding-bottom:0;margin-bottom:0;border-bottom:0}.fsb-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.fsb-panel-head h3{margin:0 0 5px;font-size:19px}.fsb-panel-head p{margin:0;color:#74869b;font-size:12px;line-height:1.45}
.fsb-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.fsb-grid .wide{grid-column:1/-1}.fsb-field{display:grid;gap:6px}.fsb-field>span,.fsb-color-field>span:first-child{font-size:11px;font-weight:900;color:#425a75}.fsb-field small{font-size:10px;color:#7a8da2;line-height:1.4}.fsb-field input:not([type="color"]):not([type="checkbox"]):not([type="range"]),.fsb-field select,.fsb-code,.fsb-image-url-row input{width:100%;min-width:0;border:1px solid #d9e4ef;border-radius:12px;background:#fbfdff;color:#243f5e;padding:10px 11px;outline:none}.fsb-field input:focus,.fsb-field select:focus,.fsb-code:focus,.fsb-image-url-row input:focus{border-color:#79bde9;box-shadow:0 0 0 3px rgba(56,151,215,.1)}
.fsb-subhead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0 9px}.fsb-subhead>span{font-size:11px;font-weight:950;color:#354f6e}.fsb-subhead small{font-size:9px;color:#8495a8}.fsb-icon-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}.fsb-icon-choice{height:42px;border:1px solid #dae5ef;border-radius:12px;background:#f8fbfe;color:#294866;font-size:20px;cursor:pointer;display:grid;place-items:center;transition:transform .16s ease,border-color .16s ease,background .16s ease,box-shadow .16s ease}.fsb-icon-choice:hover{transform:translateY(-1px);border-color:#9fc8e5;background:#fff}.fsb-icon-choice.active{border-color:#2d95d7;background:#eaf7ff;box-shadow:0 0 0 3px rgba(45,149,215,.12)}.fsb-emoji-grid .fsb-icon-choice{font-size:22px}
.fsb-upload-row,.fsb-upload-state{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:12px}.fsb-upload-row>small,.fsb-upload-state>small{flex:1;min-width:150px;color:#7b8ea3;font-size:10px}.fsb-upload-button{display:inline-flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid #d9e5ef;border-radius:12px;background:#f8fbfe;color:#355675;cursor:pointer;font-size:10px}.fsb-upload-button:hover{border-color:#9fc6e2;background:#fff}.fsb-upload-button>span{font-size:15px;color:#178bd0}.fsb-upload-button b{font-size:10px}.fsb-upload-button-large{min-height:48px;padding:11px 14px}.fsb-mini-button{min-height:32px!important;padding:0 10px!important;font-size:9px!important}
.fsb-upload-card{padding:14px;border:1px solid #e1eaf2;border-radius:16px;background:linear-gradient(135deg,#fbfdff,#f6faff)}.fsb-image-url-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:10px}.fsb-image-url-row button{white-space:nowrap}
.fsb-range-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.fsb-range-setting{display:grid;gap:9px;padding:12px 13px;border:1px solid #e0e9f2;border-radius:14px;background:#f9fbfe}.fsb-range-setting>span{display:flex;align-items:center;justify-content:space-between;gap:10px}.fsb-range-setting b{font-size:10px;color:#405b78}.fsb-range-setting output{min-width:54px;text-align:right;color:#2578ad;font-size:10px;font-weight:950;font-variant-numeric:tabular-nums}.fsb-range-setting input[type="range"]{width:100%;height:5px;margin:3px 0;accent-color:#278ed5;cursor:pointer}.fsb-compact-range{align-self:end}.fsb-effect-selects{margin-top:12px}
.fsb-color-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.fsb-color-field{display:grid;gap:7px;padding:10px;border:1px solid #e0e9f2;border-radius:14px;background:#fafcff}.fsb-color-field.wide{grid-column:1/-1}.fsb-color-control{display:grid;grid-template-columns:46px minmax(0,1fr);gap:9px;align-items:center}.fsb-color-control input[type="color"]{display:block!important;width:46px!important;height:40px!important;min-width:46px!important;padding:2px!important;border:1px solid #cfdeeb!important;border-radius:11px!important;background:#fff!important;cursor:pointer!important;box-shadow:0 4px 10px rgba(32,75,112,.06)!important}.fsb-color-control input[type="color"]::-webkit-color-swatch-wrapper{padding:2px}.fsb-color-control input[type="color"]::-webkit-color-swatch{border:0;border-radius:7px}.fsb-color-control input[type="color"]::-moz-color-swatch{border:0;border-radius:7px}.fsb-color-control output{display:flex;align-items:center;height:40px;padding:0 11px;border:1px solid #dce6ef;border-radius:11px;background:#fff;color:#49647f;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;font-weight:850}
.fsb-switch-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:12px}.fsb-switch-card{position:relative;display:grid;grid-template-columns:46px minmax(0,1fr);align-items:center;gap:11px;min-height:72px;padding:11px 12px;border:1px solid #e0e9f2;border-radius:15px;background:#f8fbfe;cursor:pointer}.fsb-switch-card:hover{border-color:#bfd8e9;background:#fff}.fsb-switch-card input{position:absolute!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none}.fsb-switch-track{position:relative;width:44px;height:26px;border-radius:999px;background:#dbe6ef;box-shadow:inset 0 1px 2px rgba(24,53,79,.12);transition:background .2s ease}.fsb-switch-track i{position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 3px 8px rgba(28,61,89,.2);transition:transform .2s cubic-bezier(.2,.8,.2,1)}.fsb-switch-card input:checked+.fsb-switch-track{background:linear-gradient(135deg,#159ed8,#6558e8)}.fsb-switch-card input:checked+.fsb-switch-track i{transform:translateX(18px)}.fsb-switch-card>span:last-child{display:grid;gap:3px}.fsb-switch-card b{font-size:10px;color:#3c5875}.fsb-switch-card small{font-size:8.5px;line-height:1.35;color:#8293a7}.fsb-switch-card:focus-within{box-shadow:0 0 0 3px rgba(45,149,215,.12)}
.fsb-preview-stage{position:relative;display:grid;place-items:center;min-height:360px;padding:22px;border:1px dashed #cfddea;border-radius:18px;background:radial-gradient(circle at 50% 20%,#fff,#eef5fb 72%);overflow:hidden}.fsb-preview-align{width:100%;min-height:130px;display:flex;align-items:center;justify-content:center;box-sizing:border-box;overflow:visible}.fsb-preview-button{position:relative;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;cursor:pointer;font-weight:900;letter-spacing:-.01em;transform-origin:center;overflow:hidden;transition:transform .20s cubic-bezier(.2,.8,.2,1),filter .18s ease,box-shadow .18s ease}.fsb-preview-button:hover{animation:none!important;transform:scale(var(--fsb-hover-scale,1.08)) translateY(-2px);filter:brightness(1.05)}.fsb-preview-button:active{animation:none!important;transform:scale(.98)}.fsb-preview-button .fsb-icon{display:flex;align-items:center;justify-content:center;line-height:1;flex:0 0 auto}.fsb-preview-button .fsb-icon img{width:100%;height:100%;object-fit:contain}.fsb-preview-button .fsb-button-visual{width:100%;height:100%;object-fit:contain;border-radius:inherit;display:block;pointer-events:none}.fsb-preview-button.has-shine:after{content:"";position:absolute;inset:-25% auto -25% -35%;width:32%;background:rgba(255,255,255,.36);transform:translateX(-170%) rotate(20deg);transition:transform .45s ease;pointer-events:none}.fsb-preview-button.has-shine:hover:after{transform:translateX(520%) rotate(20deg)}.fsb-preview-button.idle-float{animation:fsbIdleFloat var(--fsb-idle-speed,3.2s) ease-in-out infinite}.fsb-preview-button.idle-pulse{animation:fsbIdlePulse var(--fsb-idle-speed,3.2s) ease-in-out infinite}@keyframes fsbIdleFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(calc(var(--fsb-idle-distance,8px) * -1))}}@keyframes fsbIdlePulse{0%,100%{transform:scale(1)}50%{transform:scale(var(--fsb-idle-scale,1.08))}}.fsb-preview-note{position:absolute;left:12px;bottom:10px;color:#8191a4;font-size:10px;font-weight:750}.fsb-preview-metrics{margin-top:9px;text-align:center;color:#74889d;font-size:10px;font-weight:800}
.fsb-code-wrap{margin-top:18px}.fsb-code{min-height:250px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;line-height:1.45;background:#0f1c2b;color:#dcecff;border-color:#20364d}.fsb-code-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:9px}.fsb-status{min-height:18px;margin-top:8px;font-size:11px;font-weight:800;color:#3476a8}.fsb-status.error{color:#b53850}
.fsb-preview-overlay{position:fixed;inset:0;z-index:99999;background:#07111f;display:none}.fsb-preview-overlay.show{display:block}.fsb-preview-overlay.is-transparent{background:transparent}.fsb-preview-overlay iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#fff}.fsb-preview-close{position:absolute;right:18px;bottom:18px;z-index:4;border:1px solid rgba(255,255,255,.42);background:rgba(9,18,33,.86);color:#fff;font-weight:900;cursor:pointer;box-shadow:0 12px 28px rgba(0,0,0,.25);transition:transform .18s ease}.fsb-preview-close:hover{transform:scale(1.05)}
html[data-theme="dark"] .fsb-hero,html[data-theme="dark"] .fsb-panel{background:#132236;border-color:#28405b;color:#e9f2fc}html[data-theme="dark"] .fsb-hero p,html[data-theme="dark"] .fsb-panel-head p{color:#9db0c6}html[data-theme="dark"] .fsb-field>span,html[data-theme="dark"] .fsb-color-field>span:first-child,html[data-theme="dark"] .fsb-range-setting b,html[data-theme="dark"] .fsb-switch-card b,html[data-theme="dark"] .fsb-subhead>span{color:#c5d5e6}html[data-theme="dark"] .fsb-field input:not([type=color]):not([type=checkbox]):not([type=range]),html[data-theme="dark"] .fsb-field select,html[data-theme="dark"] .fsb-image-url-row input{background:#0f1d2f;border-color:#31475f;color:#eef6ff}html[data-theme="dark"] .fsb-range-setting,html[data-theme="dark"] .fsb-color-field,html[data-theme="dark"] .fsb-switch-card,html[data-theme="dark"] .fsb-upload-card,html[data-theme="dark"] .fsb-upload-button,html[data-theme="dark"] .fsb-icon-choice{background:#102033;border-color:#2b435d;color:#cbd9e8}html[data-theme="dark"] .fsb-color-control output,html[data-theme="dark"] .fsb-color-control input[type=color]{background:#0f1d2f!important;border-color:#31475f!important;color:#dbe9f5}html[data-theme="dark"] .fsb-preview-stage{background:radial-gradient(circle at 50% 20%,#1a2c42,#0f1d2f 72%);border-color:#354b64}
@media(max-width:1120px){.fsb-layout{grid-template-columns:1fr}.fsb-preview-panel{position:static}.fsb-preview-stage{min-height:300px}}
@media(max-width:720px){.fsb-hero{padding:19px}.fsb-hero-mark{display:none}.fsb-grid,.fsb-range-grid,.fsb-color-grid,.fsb-switch-grid{grid-template-columns:1fr}.fsb-grid .wide,.fsb-color-field.wide{grid-column:auto}.fsb-panel{padding:16px}.fsb-icon-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.fsb-image-url-row{grid-template-columns:1fr}.fsb-preview-stage{padding:14px}}

/* V7.19.0 — Fullscreen Button preview isolation.
   Studio's global button rules include a generic ::before sheen. The preview is a
   miniature generated widget, so it must be visually self-contained or global
   button skinning can wash its background white, hide icons and leave a shine
   active even when the editor switch is off. */
.fsb-preview-button{
  -webkit-appearance:none!important;appearance:none!important;
  box-sizing:border-box!important;margin:0!important;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif!important;
  line-height:1!important;text-align:center!important;white-space:nowrap!important;
  background-clip:padding-box!important;
}
.fsb-preview-button::before{content:none!important;display:none!important;background:none!important;transform:none!important}
.fsb-preview-button>*{position:relative;z-index:1}
.fsb-preview-button .fsb-label{display:flex;align-items:center;justify-content:center;min-width:0;min-height:1em;line-height:1.08;text-align:center;padding:0;margin:0}
.fsb-preview-button .fsb-icon{overflow:visible!important;color:inherit!important;font-family:"Apple Color Emoji","Segoe UI Emoji",Inter,ui-sans-serif,system-ui,sans-serif!important}
.fsb-preview-button .fsb-icon>img{display:block!important}
.fsb-preview-button:not(.has-shine)::after{content:none!important;display:none!important}
.fsb-preview-button.has-shine::after{z-index:2}
.fsb-preview-button.is-image{padding:0!important;background:transparent!important}
.fsb-preview-button:focus-visible{outline:3px solid rgba(31,151,218,.28)!important;outline-offset:4px!important}

/* V7.20.0 — account presets + WYSIWYG Shadow DOM preview */
.fsb-library-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(230px,.92fr);gap:12px;align-items:start}
.fsb-library-list{display:grid;gap:8px;max-height:286px;overflow:auto;padding:2px 4px 2px 1px;scrollbar-gutter:stable}
.fsb-library-editor{display:grid;gap:10px;padding:12px;border:1px solid #e0e9f2;border-radius:15px;background:#f9fbfe}
.fsb-library-empty{padding:16px;border:1px dashed #d4e1ec;border-radius:14px;background:#fbfdff;color:#7b8da2;font-size:11px;text-align:center}
.fsb-preset-item{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:9px;width:100%;padding:11px 12px;border:1px solid #dce7f1;border-radius:14px;background:#fbfdff;color:#294866;text-align:left;cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease,background .16s ease}
.fsb-preset-item:hover{transform:translateY(-1px);border-color:#9ec6e3;background:#fff}
.fsb-preset-item.active{border-color:#2d95d7;background:#eaf7ff;box-shadow:0 0 0 3px rgba(45,149,215,.12)}
.fsb-preset-item>span{display:grid;gap:3px;min-width:0}.fsb-preset-item b{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fsb-preset-item small{font-size:9.5px;color:#7b8ea3}.fsb-preset-item em{font-style:normal;font-size:18px;color:#5d78a0}
.fsb-preset-actions{display:flex;gap:8px;flex-wrap:wrap}.fsb-preset-actions button{min-height:38px}.fsb-preset-actions .danger{border:1px solid #efc6cd;background:#fff7f8;color:#a53c4c;border-radius:12px;padding:8px 12px;font-weight:850}.fsb-preset-actions .danger:disabled{opacity:.48;cursor:not-allowed}
.fsb-preset-status{display:block;min-height:17px;color:#7b8ea3;font-size:10px;line-height:1.45}.fsb-preset-status.good{color:#187651}.fsb-preset-status.error{color:#b53850}
.fsb-preview-mount{display:grid;place-items:center;width:100%;min-height:150px;overflow:visible;contain:layout style}
.fsb-preview-loading{position:absolute;inset:0;z-index:3;display:grid;place-items:center;align-content:center;gap:10px;background:linear-gradient(160deg,rgba(12,28,48,.88),rgba(20,39,66,.88));color:#fff;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .16s ease,visibility .16s ease}.fsb-preview-loading.show{opacity:1;visibility:visible}.fsb-preview-loading span{width:34px;height:34px;border:3px solid rgba(255,255,255,.26);border-top-color:#fff;border-radius:50%;animation:fsbLoadingSpin .75s linear infinite}.fsb-preview-loading b{font-size:12px;letter-spacing:.01em}@keyframes fsbLoadingSpin{to{transform:rotate(360deg)}}
.fsb-preview-overlay iframe{z-index:1}.fsb-preview-close{z-index:5}
html[data-theme="dark"] .fsb-library-editor,html[data-theme="dark"] .fsb-library-empty,html[data-theme="dark"] .fsb-preset-item{background:#102033;border-color:#2b435d;color:#cbd9e8}html[data-theme="dark"] .fsb-preset-item.active{background:#12304a;border-color:#4caeea;box-shadow:0 0 0 3px rgba(59,166,235,.16)}html[data-theme="dark"] .fsb-preset-item small,html[data-theme="dark"] .fsb-preset-status{color:#9db0c6}
@media(max-width:900px){.fsb-library-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.fsb-preview-loading span{animation:none}}


/* V7.20.5 — flexible demo preview. The checker is Studio UI only: it is never
   exported into the generated button and exists solely to inspect PNG alpha. */
.fsb-preview-toolbar{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.8fr);gap:12px;align-items:end;margin:0 0 12px}
.fsb-preview-surface-control{display:grid;gap:7px}.fsb-preview-surface-control>span,.fsb-preview-scale-control b{font-size:10px;font-weight:900;color:#425a75}
.fsb-preview-surface-buttons{display:flex;gap:6px}.fsb-preview-surface-buttons button{width:42px;height:36px;border:1px solid #d9e4ef;border-radius:10px;background:#f8fbfe;color:#405a75;font-size:16px;font-weight:900;cursor:pointer}.fsb-preview-surface-buttons button.active{border-color:#2d95d7;background:#eaf7ff;color:#187fc0;box-shadow:0 0 0 3px rgba(45,149,215,.11)}
.fsb-preview-scale-control{display:grid;gap:7px;padding:10px 12px;border:1px solid #e0e9f2;border-radius:12px;background:#f9fbfe}.fsb-preview-scale-control>span{display:flex;justify-content:space-between;gap:10px}.fsb-preview-scale-control output{font-size:10px;font-weight:950;color:#2578ad}.fsb-preview-scale-control input{width:100%;accent-color:#278ed5}
.fsb-preview-stage{min-height:440px!important;overflow:auto!important;transition:background .18s ease,border-color .18s ease}
.fsb-preview-stage[data-preview-surface="grid"]{background-color:#f4f7fa!important;background-image:linear-gradient(45deg,#dce4eb 25%,transparent 25%),linear-gradient(-45deg,#dce4eb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#dce4eb 75%),linear-gradient(-45deg,transparent 75%,#dce4eb 75%)!important;background-size:24px 24px!important;background-position:0 0,0 12px,12px -12px,-12px 0!important}
.fsb-preview-stage[data-preview-surface="light"]{background:#fff!important}
.fsb-preview-stage[data-preview-surface="dark"]{background:#172235!important;border-color:#415169!important}
.fsb-preview-mount{transition:transform .18s cubic-bezier(.2,.8,.2,1)}
html[data-theme="dark"] .fsb-preview-surface-control>span,html[data-theme="dark"] .fsb-preview-scale-control b{color:#c5d5e6}html[data-theme="dark"] .fsb-preview-surface-buttons button,html[data-theme="dark"] .fsb-preview-scale-control{background:#102033;border-color:#2b435d;color:#cbd9e8}
@media(max-width:720px){.fsb-preview-toolbar{grid-template-columns:1fr}.fsb-preview-stage{min-height:340px!important}}