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var(--border-color);padding:4px;gap:4px}.mobile-tab{flex:1;background:transparent;border:none;color:var(--text-muted);padding:8px 6px;border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer}.mobile-tab.active{background:var(--bg-card);color:var(--accent-cyan)}.preview-pane-wrapper,.chat-pane-wrapper{flex:1;height:100%;width:100%}.mobile-hidden{display:none!important}.mobile-visible{display:flex!important}.frame-viewport{width:100%!important}.device-switcher{display:none}.address-bar{max-width:220px}}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#0b0f19bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.modal-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;width:100%;max-width:480px;box-shadow:0 25px 50px -12px #0009;overflow:hidden;animation:modalFadeIn .2s ease-out}@keyframes modalFadeIn{0%{opacity:0;transform:scale(.96) translateY(-8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color);background:var(--bg-dark)}.modal-header-title{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1rem;color:var(--text-primary)}.modal-header-title .modal-icon{color:var(--accent-cyan)}.close-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:6px;display:flex;align-items:center}.close-btn:hover{color:var(--text-primary);background:#ffffff1a}.modal-body{padding:20px}.modal-desc{font-size:.85rem;color:var(--text-muted);line-height:1.5;margin-bottom:16px}.modal-desc code{background:#ffffff1a;padding:2px 6px;border-radius:4px;color:var(--accent-cyan);font-family:JetBrains Mono,monospace}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.78rem;font-weight:600;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.modal-input{width:100%;background:var(--bg-dark);border:1px solid var(--border-color);color:var(--text-primary);padding:10px 14px;border-radius:8px;font-size:.9rem;outline:none;transition:all .2s ease}.modal-input:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 2px #38bdf833}.branch-preview-box{display:flex;align-items:center;gap:8px;background:#38bdf814;border:1px solid rgba(56,189,248,.2);padding:10px 12px;border-radius:8px;font-size:.82rem;color:var(--accent-cyan)}.preview-sparkle-icon{color:var(--accent-cyan);flex-shrink:0}.branch-preview-box code{font-family:JetBrains Mono,monospace;font-weight:700}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:14px 20px;background:var(--bg-dark);border-top:1px solid var(--border-color)}