.ss-builder{display:flex;flex-direction:column;height:100vh;background:var(--sign-studio-canvas);font-family:var(--pro-font-ui)}.ss-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 24px;background:var(--sign-studio-surface);border-bottom:1px solid var(--sign-studio-border);flex-shrink:0}.ss-bar__group{display:flex;align-items:center;gap:16px;min-width:0}.ss-bar__title{font-size:15px;font-weight:600;color:var(--sign-studio-ink);margin:0;letter-spacing:-.01em;white-space:nowrap}.ss-bar__flag{font-size:11px;font-weight:500;color:var(--pro-warn-strong);background:var(--pro-warn-tint);padding:4px 10px;border-radius:var(--radius-sm);white-space:nowrap}.ss-body{display:flex;flex:1;overflow:hidden}.ss-rail{width:340px;min-width:320px;flex-shrink:0;background:var(--sign-studio-surface);border-right:1px solid var(--sign-studio-border);overflow-y:auto;padding:20px;-webkit-overflow-scrolling:touch}.ss-stage{flex:1;overflow:auto;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:32px;background:var(--sign-studio-canvas)}.ss-stage__frame{display:flex;flex-direction:column;align-items:center;gap:12px}.ss-stage__caption{font-size:11px;color:var(--sign-studio-faint);text-align:center;margin:0}.ss-tabs{margin-bottom:20px}.ss-spinner{display:inline-block;width:14px;height:14px;border:2px solid transparent;border-top-color:currentColor;border-radius:var(--radius-full);animation:ss-spin .8s linear infinite}@keyframes ss-spin{to{transform:rotate(360deg)}}.ss-section{margin-bottom:24px}.ss-section__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.ss-label{display:block;font-size:11px;font-weight:600;color:var(--sign-studio-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.06em}.ss-section__head .ss-label{margin-bottom:0}.ss-field{flex:1;min-width:0}.ss-field--strong .ui-input{font-weight:600}.ss-add-table{border-style:dashed}.ss-palettes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.ss-palette{display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 8px;border-radius:var(--radius-md);border:1.5px solid var(--sign-studio-border);background:var(--sign-studio-surface);cursor:pointer;transition:border-color .12s,background .12s}.ss-palette[aria-pressed=true]{border-color:var(--sign-studio-ink);background:var(--sign-studio-canvas)}.ss-palette__chip{display:flex;width:32px;height:20px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--sign-studio-border)}.ss-palette__chip>span{flex:1}.ss-palette__name{font-size:9px;color:var(--sign-studio-faint);font-weight:400;white-space:nowrap}.ss-palette[aria-pressed=true] .ss-palette__name{color:var(--sign-studio-ink);font-weight:600}.ss-templates{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.ss-template{display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px 10px 12px;border-radius:var(--radius-lg);border:1.5px solid var(--sign-studio-border);background:var(--sign-studio-surface);cursor:pointer;box-shadow:var(--pro-shadow-subtle);transition:border-color .15s,box-shadow .15s}.ss-template:hover{box-shadow:var(--pro-shadow-button)}.ss-template[aria-pressed=true]{border:2px solid var(--sign-shop-accent);background:var(--sign-shop-accent-tint)}.ss-template__thumb,.ss-template__name,.ss-template__mode{display:block}.ss-template__thumb{width:100%;max-width:120px;aspect-ratio:3 / 4;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--pro-shadow-subtle)}.ss-template__name{font-size:12px;font-weight:600;color:var(--sign-studio-body);line-height:1.3;text-align:center}.ss-template[aria-pressed=true] .ss-template__name{color:var(--sign-shop-accent);font-weight:700}.ss-template__mode{font-size:10px;color:var(--sign-studio-faint);margin-top:2px;text-align:center}.ss-intro{font-size:13px;color:var(--sign-studio-muted);margin:0 0 16px;line-height:1.5}.ss-note{padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:12px;line-height:1.5}.ss-note--ok{background:var(--pro-success-tint);border:1px solid var(--pro-success);color:var(--pro-success)}.ss-note--warn{background:var(--pro-warn-tint);border:1px solid var(--pro-warn-line);color:var(--pro-warn-strong)}.ss-note--error{background:var(--pro-danger-tint);border:1px solid var(--pro-danger-line);color:var(--pro-danger-ink)}.ss-note--plain{background:var(--sign-studio-canvas);border:1px solid var(--sign-studio-border);color:var(--sign-studio-body);display:flex;align-items:center;justify-content:space-between;font-weight:500}.ss-note__head{display:flex;align-items:center;gap:6px;font-weight:600;margin-bottom:6px}.ss-note__list{margin:0;padding-left:18px}.ss-drop{padding:28px 16px;border-radius:var(--radius-md);border:2px dashed var(--sign-studio-border-strong);background:var(--sign-studio-sunken);cursor:pointer;text-align:center;transition:border-color .15s,background .15s}.ss-drop--over,.ss-drop:hover{border-color:var(--sign-studio-ink);background:var(--sign-studio-canvas)}.ss-drop__title{font-size:13px;color:var(--sign-studio-body);font-weight:500;margin:0 0 6px}.ss-drop__hint{font-size:11px;color:var(--sign-studio-faint);margin:0}.ss-drop__input{display:none}.ss-preview{padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--sign-studio-border-strong);background:var(--sign-studio-sunken);max-height:280px;overflow-y:auto}.ss-preview__count{font-size:12px;color:var(--sign-studio-body);font-weight:600;margin:0 0 10px}.ss-preview__table+.ss-preview__table{margin-top:10px}.ss-preview__name{font-size:11px;font-weight:600;color:var(--sign-studio-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.ss-preview__guest{font-size:12px;color:var(--sign-studio-body);padding:2px 0 2px 12px}.ss-format{padding:10px 12px;border-radius:var(--radius-sm);background:var(--sign-studio-sunken);border:1px solid var(--sign-studio-border);font-size:11px;color:var(--sign-studio-muted);line-height:1.8;font-variant-numeric:tabular-nums}.ss-format__or{color:var(--sign-studio-faint)}.ss-group{margin-bottom:16px;padding:12px;border-radius:var(--radius-md);border:1.5px solid var(--sign-studio-border);background:var(--sign-studio-sunken)}.ss-group__head{margin-bottom:10px}.ss-row{display:flex;align-items:center;gap:8px}.ss-row--tight{gap:6px}.ss-row+.ss-row{margin-top:6px}.ss-actions{display:flex;gap:8px;margin-top:12px}.ss-empty{text-align:center;padding:20px 16px;color:var(--sign-studio-faint);font-size:12px;margin-bottom:16px}.ss-sheet{flex-shrink:0;border-radius:var(--radius-sm);box-shadow:var(--pro-shadow-card);overflow:hidden;background:var(--sign-studio-mat);position:relative}.ss-sheet--clickable{cursor:pointer}.ss-sheet__svg{width:100%;height:100%;display:flex;align-items:stretch;transition:opacity .3s ease-in-out}.ss-sheet__svg--waiting{opacity:.3}.ss-sheet__skip{position:absolute;bottom:12px;left:50%;transform:translate(-50%);background:var(--pro-overlay);color:var(--pro-on-brand);font-size:11px;font-weight:500;padding:4px 12px;border-radius:var(--radius-lg);pointer-events:none;letter-spacing:.02em;animation:ss-fade-in .5s ease-in 1.5s both}@keyframes ss-fade-in{0%{opacity:0}to{opacity:1}}.ss-mockup{position:relative;flex-shrink:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--pro-shadow-card)}.ss-mockup__light{position:absolute;inset:0;z-index:var(--z-raised);pointer-events:none;background:radial-gradient(ellipse 70% 40% at 50% 15%,rgba(255,255,255,.35) 0%,transparent 100%)}.ss-mockup__easel{position:absolute;top:0;left:0;z-index:var(--z-base)}.ss-mockup__shadow{fill:#1819250f}.ss-mockup__board{position:absolute;z-index:var(--z-raised);transform:perspective(1200px) rotateX(1.5deg);transform-origin:center bottom}.ss-mockup__cast{position:absolute;inset:-2px;border-radius:2px;box-shadow:var(--pro-shadow-card-hover)}.ss-mockup__foam{position:relative;width:100%;height:100%;border-radius:2px;overflow:hidden;border:3px solid;box-sizing:border-box;box-shadow:inset 0 0 0 1px #1819250a,inset 0 1px 2px #18192508}.ss-mockup__edge-light{position:absolute;top:0;left:5%;right:5%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6) 30%,rgba(255,255,255,.6) 70%,transparent)}.ss-mockup__caption{position:absolute;bottom:14px;left:50%;transform:translate(-50%);z-index:var(--z-chrome);margin:0;font-size:10px;font-weight:500;color:var(--sign-studio-faint);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.ss-mobile-preview{background:var(--sign-studio-canvas);border-bottom:1px solid var(--sign-studio-border);flex-shrink:0;overflow:hidden;position:relative;max-height:180px;transition:max-height .3s ease}.ss-mobile-preview--open{max-height:70vh}.ss-mobile-preview__inner{display:flex;justify-content:center;align-items:center;padding:12px 12px 28px;overflow:hidden;max-height:180px}.ss-mobile-preview--open .ss-mobile-preview__inner{padding:16px;overflow:auto;max-height:70vh}.ss-mobile-preview__scale{transform:scale(.35);transform-origin:top center;transition:transform .3s ease}.ss-mobile-preview--open .ss-mobile-preview__scale{transform:none}.ss-mobile-preview__toggle{position:absolute;bottom:0;left:0;right:0;padding:6px 0;border:none;cursor:pointer;font-family:inherit;font-size:11px;font-weight:500;color:var(--sign-studio-muted);background:linear-gradient(transparent,var(--sign-studio-canvas) 40%);display:flex;align-items:center;justify-content:center;gap:4px}.ss-dock{position:fixed;bottom:0;left:0;right:0;display:flex;gap:8px;padding:10px 12px;padding-bottom:max(10px,env(safe-area-inset-bottom));background:var(--sign-studio-surface);border-top:1px solid var(--sign-studio-border);box-shadow:var(--pro-shadow-pop);z-index:var(--z-chrome)}@media (max-width: 768px){.ss-bar{padding:10px 12px}.ss-bar__group{gap:8px}.ss-body{flex-direction:column;padding-bottom:60px}.ss-rail{width:100%;min-width:0;flex:1;border-right:none;padding:16px}.ss-tabs{position:sticky;top:0;z-index:var(--z-base);background:var(--sign-studio-surface);margin:0 -16px 16px;padding:0 16px}.ss-builder .ui-btn,.ss-palette{min-height:44px}.ss-add-table{min-height:48px}.ss-palette__chip{width:40px;height:24px}.ss-palette__name{font-size:10px}.ss-templates{gap:10px}.ss-template{padding:12px 8px 10px;gap:8px}.ss-template__name{font-size:13px}.ss-template__mode{font-size:11px}.ss-drop{padding:32px 16px}.ss-drop__title{font-size:15px}.ss-drop__hint{font-size:13px}}