.premium-builder{--font-size-xs: .75rem;--font-size-sm: .8125rem;--font-size-base: .9375rem;--font-size-md: 1rem;--font-weight-medium: 500;--font-weight-semibold: 600;--color-text-primary: #1e1b4b;--color-text-secondary: #475569;--color-text-muted: #94a3b8;--color-bg-page: #ffffff;--color-bg-subtle: #f8fafc;--color-bg-muted: #f1f5f9;--color-border: #e2e8f0;--color-primary: #8b5cf6;--color-primary-hover: #7c3aed;--color-danger: #ef4444;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: .75rem;--spacing-lg: 1rem;--spacing-xl: 1.25rem;--spacing-2xl: 1.5rem;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-base: .15s ease}.premium-builder{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--color-bg-muted);z-index:100}.builder-main{display:flex;flex:1;overflow:hidden;min-height:0}.premium-builder--mobile{background:var(--color-bg-page)}.mobile-content{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(72px + env(safe-area-inset-bottom,0));background:var(--color-bg-subtle)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--color-bg-page);border-top:1px solid var(--color-border);padding-bottom:env(safe-area-inset-bottom,0);z-index:50}.nav-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-md) var(--spacing-sm);background:transparent;border:none;cursor:pointer;transition:all var(--transition-base);min-height:56px}.nav-tab:active{background:var(--color-bg-subtle)}.nav-icon{width:22px;height:22px;color:var(--color-text-muted);transition:color var(--transition-base)}.nav-label{font-size:11px;font-weight:var(--font-weight-medium);color:var(--color-text-muted);transition:color var(--transition-base)}.nav-tab.active .nav-icon,.nav-tab.active .nav-label{color:var(--color-primary)}.preview-fab{position:fixed;right:var(--spacing-lg);bottom:calc(88px + env(safe-area-inset-bottom,0));display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);height:48px;padding:0 var(--spacing-xl);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-hover) 100%);border:none;border-radius:var(--radius-full);box-shadow:0 4px 12px #8b5cf666,0 2px 4px #0000001a;cursor:pointer;z-index:55;transition:all var(--transition-base);-webkit-tap-highlight-color:transparent;touch-action:manipulation}.preview-fab:active{transform:scale(.97);box-shadow:0 2px 8px #8b5cf64d,0 1px 2px #0000001a}.fab-icon{width:20px;height:20px;color:#fff;flex-shrink:0}.fab-label{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:#fff;white-space:nowrap}.more-options{display:flex;flex-direction:column;padding:16px 20px 24px;gap:12px}.more-option{display:flex;align-items:center;gap:14px;padding:16px 20px;background:#f8f9fa;border:none;border-radius:14px;cursor:pointer;transition:all .15s ease}.more-option:active{background:#e9ecef;transform:scale(.98)}.option-icon{width:22px;height:22px;color:#7c3aed;flex-shrink:0}.more-option span{font-size:16px;font-weight:500;color:#1e1b4b}.more-option--danger{background:#fef2f2}.more-option--danger:active{background:#fee2e2}.more-option--danger .option-icon,.more-option--danger span{color:#dc2626}.save-error-toast{position:fixed;top:76px;left:50%;transform:translate(-50%);z-index:1000;max-width:min(90vw,500px)}.save-error-toast__content{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;box-shadow:0 4px 12px #ef444426}.save-error-toast__icon{width:20px;height:20px;color:#dc2626;flex-shrink:0}.save-error-toast__message{flex:1;font-size:14px;font-weight:500;color:#991b1b;line-height:1.4}.save-error-toast__close{flex-shrink:0;padding:4px;border:none;background:none;cursor:pointer;border-radius:6px;transition:background .15s ease}.save-error-toast__close:hover{background:#dc26261a}.save-error-toast__close-icon{width:16px;height:16px;color:#dc2626}.toast-slide-enter-active,.toast-slide-leave-active{transition:all .3s ease}.toast-slide-enter-from{opacity:0;transform:translate(-50%) translateY(-20px)}.toast-slide-leave-to{opacity:0;transform:translate(-50%) translateY(-10px)}.premium-builder--mobile .save-error-toast{top:60px;left:8px;right:8px;transform:none;max-width:none}.premium-builder--mobile .toast-slide-enter-from,.premium-builder--mobile .toast-slide-leave-to{transform:translateY(-20px)}