:root{--theme-primary: #e83567;--theme-primary-dark: #d12a5a;--theme-secondary: #320126;--theme-gradient-end: #f7a909;--theme-gradient: linear-gradient( 135deg, var(--theme-primary) 0%, var(--theme-gradient-end) 100% );--bg-primary: #ffffff;--bg-secondary: #f9f7f8;--bg-glass: rgba(255, 255, 255, 0.92);--border-subtle: rgba(50, 1, 38, 0.08);--border-medium: rgba(50, 1, 38, 0.12);--text-primary: var(--theme-secondary);--text-secondary: rgba(50, 1, 38, 0.65);--text-tertiary: rgba(50, 1, 38, 0.45);--accent: var(--theme-primary);--accent-glow: rgba(232, 53, 103, 0.25);--accent-soft: rgba(232, 53, 103, 0.1);--success: #22c55e;--device-frame: #1a1a1e;--font-main: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--transition-fast: 0.15s ease;--transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);--header-height: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-main);background:var(--bg-secondary);color:var(--text-primary)}.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:var(--bg-glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:100}.header__logo{display:flex;align-items:center;gap:14px}.header__logo img{height:32px;width:auto}.header__logo-badge{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:5px 10px;background:var(--accent-soft);color:var(--accent);border-radius:6px}.device-selector{display:flex;align-items:center;gap:4px;background:var(--bg-primary);border:1px solid var(--border-medium);border-radius:var(--radius-lg);padding:4px;position:relative}.device-selector__pill{position:absolute;height:calc(100% - 8px);background:var(--theme-gradient);border-radius:var(--radius-md);transition:all var(--transition-medium);box-shadow:0 4px 16px var(--accent-glow)}.device-selector__btn{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 16px;min-width:72px;background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.device-selector__btn svg{width:20px;height:20px;stroke:var(--text-secondary);stroke-width:1.5;fill:none;transition:stroke var(--transition-fast)}.device-selector__btn span{font-family:var(--font-mono);font-size:9px;font-weight:500;color:var(--text-tertiary);transition:color var(--transition-fast)}.device-selector__btn:hover svg{stroke:var(--text-primary)}.device-selector__btn:hover span{color:var(--text-secondary)}.device-selector__btn.active svg{stroke:white}.device-selector__btn.active span{color:rgba(255, 255, 255, 0.9)}.header__actions{display:flex;align-items:center;gap:12px}.btn{display:flex;align-items:center;gap:8px;padding:10px 18px;font-family:var(--font-main);font-size:13px;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.btn--primary{background:var(--theme-gradient);color:white}.btn--primary:hover{filter:brightness(1.1);box-shadow:0 4px 20px var(--accent-glow);transform:translateY(-1px)}.btn--primary svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.5;fill:none}.preview-area{position:absolute;top:var(--header-height);left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg-secondary)}#iframe-wrapper{background:white;box-shadow:0 0 0 1px var(--border-subtle),0 10px 40px -10px rgba(50, 1, 38, 0.12);transition:all var(--transition-medium);position:relative;-webkit-transform:translateZ(0);transform:translateZ(0);overflow:hidden}#iframe-wrapper.desktop{width:100%;height:100%;border-radius:var(--radius-md)}#iframe-wrapper.tablet-h{width:1024px;max-width:100%;height:768px;max-height:calc(100vh - var(--header-height) - 60px);border:16px solid var(--device-frame);border-radius:24px}#iframe-wrapper.tablet-v{width:768px;max-width:100%;height:calc(100vh - var(--header-height) - 60px);max-height:1024px;border:16px solid var(--device-frame);border-radius:24px}#iframe-wrapper.mobile{width:390px;max-width:100%;height:calc(100vh - var(--header-height) - 60px);max-height:844px;border:12px solid var(--device-frame);border-radius:40px}#iframe-wrapper iframe{display:block;width:100%;height:100%;border:none;-webkit-transform:translateZ(0);transform:translateZ(0)}.loading-overlay{position:absolute;inset:0;background:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;z-index:20;opacity:0;pointer-events:none;transition:opacity var(--transition-medium)}.loading-overlay.visible{opacity:1;pointer-events:auto}.loading-spinner{width:28px;height:28px;border:2px solid var(--border-medium);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:12px;color:var(--text-tertiary)}.qr-panel{position:fixed;top:calc(var(--header-height) + 24px);right:24px;width:260px;background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-medium);border-radius:var(--radius-lg);padding:20px;transform:translateX(calc(100% + 48px));opacity:0;transition:all var(--transition-medium);z-index:90;box-shadow:0 10px 40px -10px rgba(50, 1, 38, 0.15)}.qr-panel.visible{transform:translateX(0);opacity:1}.qr-panel__header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:16px}.qr-panel__title{font-size:13px;font-weight:600;color:var(--text-primary);flex:1;min-width:0;word-wrap:break-word}.qr-panel__close{flex-shrink:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:rgba(50, 1, 38, 0.03);border:1px solid var(--border-subtle);border-radius:8px;cursor:pointer;transition:all var(--transition-fast)}.qr-panel__close:hover{background:var(--bg-secondary)}.qr-panel__close svg{width:12px;height:12px;stroke:var(--text-secondary);stroke-width:2}.qr-panel__code{background:white;border-radius:var(--radius-md);padding:16px;margin-bottom:14px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-subtle)}.qr-panel__code>div{width:120px;height:120px}.qr-panel__url{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm)}.qr-panel__url-text{flex:1;font-family:var(--font-mono);font-size:10px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.qr-panel__copy{width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);border:none;border-radius:6px;cursor:pointer;transition:all var(--transition-fast)}.qr-panel__copy:hover{background:var(--accent)}.qr-panel__copy svg{width:12px;height:12px;stroke:var(--accent);stroke-width:2;transition:stroke var(--transition-fast)}.qr-panel__copy:hover svg{stroke:white}@media(max-width: 1000px){.device-selector__btn span{display:none}.device-selector__btn{min-width:48px;padding:10px}}@media(max-width: 768px){.qr-panel{right:12px;width:240px}.header__actions .btn span{display:none}.header__actions .btn{padding:10px}}