:root{--sidebar-width: 220px;--config-width: 280px;--bg-color: #ffffff;--sidebar-bg: #f9f9f9;--item-hover: rgba(0, 0, 0, .04);--border-subtle: rgba(0, 0, 0, .08);--text-main: #171717;--text-muted: #6b7280;--accent-blue: #2f81f7}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,system-ui,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}#root{height:100vh}.layout-wrapper{display:flex;height:100vh;width:100%}.nav-sidebar{width:var(--sidebar-width);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;padding:1.5rem .75rem;background:var(--sidebar-bg)}.main-viewport{flex:1;display:flex;flex-direction:column;overflow-y:auto;position:relative;background:#fff}.content-centered{max-width:800px;width:100%;margin:0 auto;padding:2rem 1rem 8rem}.sources-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:24px}.source-card{padding:10px;background:#fff;border:1px solid var(--border-subtle);border-radius:8px;font-size:.75rem;display:flex;align-items:center;gap:8px;cursor:pointer;transition:all .2s;box-shadow:0 1px 2px #00000005}.source-card:hover{border-color:var(--accent-blue);background:var(--sidebar-bg)}.search-container{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);max-width:760px;width:calc(100% - 4rem);z-index:100}.unified-input{background:#fff;border:1px solid var(--border-subtle);border-radius:16px;padding:14px 18px;display:flex;align-items:center;gap:12px;box-shadow:0 10px 30px #00000014}.unified-input input{flex:1;background:transparent;border:none;color:var(--text-main);outline:none;font-size:1rem}h2{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:#111}p{margin-bottom:1.25rem;color:#374151}.side-config{width:var(--config-width);border-left:1px solid var(--border-subtle);padding:2rem 1.5rem;font-size:.85rem;background:var(--sidebar-bg)}.config-section{margin-bottom:2.5rem}.config-label{color:var(--text-muted);text-transform:uppercase;font-size:.65rem;font-weight:700;margin-bottom:1rem;letter-spacing:.05em}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease-out forwards}.hover-btn-light{transition:all .2s ease}.hover-btn-light:hover{background-color:#f9fafb!important;border-color:#d1d5db!important;box-shadow:0 4px 6px #0000000a!important;transform:translateY(-1px)}.hover-btn-dark{transition:all .2s ease}.hover-btn-dark:hover{background-color:#333!important;transform:scale(1.05);box-shadow:0 4px 12px #0003!important}.hover-btn-accent{transition:all .2s ease}.hover-btn-accent:hover{background-color:#1d4ed8!important;box-shadow:0 4px 12px #1d4ed84d!important;transform:translateY(-1px)}.hover-nav-item{transition:all .2s ease}.hover-nav-item:hover{background:var(--item-hover)!important;color:#111!important}.hover-space-item{transition:all .2s ease}.hover-space-item:hover{background:#2f81f70d!important}.hover-card{transition:all .2s ease}.hover-card:hover{transform:translateY(-2px);box-shadow:0 6px 16px #0000000f!important;border-color:#d1d5db!important}.hover-upload{transition:all .2s ease}.hover-upload:hover{border-color:var(--accent-blue)!important;background-color:#2f81f705!important}.hover-text{transition:color .2s ease}.hover-text:hover{color:#111!important}.hover-icon{transition:all .2s ease}.hover-icon:hover{color:#111!important;transform:scale(1.1)}.hover-tab{transition:all .2s ease}.hover-tab:hover{color:var(--accent-blue)!important;background:#2f81f705!important}.tooltip-container{position:relative;display:inline-block}.tooltip-text{visibility:hidden;opacity:0;position:absolute;z-index:1000;background-color:#282c34;color:#fff;border-radius:8px;padding:12px;box-shadow:0 10px 25px #0003!important;transition:opacity .2s ease,visibility .2s ease;pointer-events:none}.tooltip-text:after{content:"";position:absolute;top:100%;left:50%;margin-left:-6px;border-width:6px;border-style:solid;border-color:#282c34 transparent transparent transparent}.tooltip-container:hover .tooltip-text{visibility:visible;opacity:1}.card-content-hidden{max-height:0;opacity:0;overflow:hidden;transition:max-height .3s cubic-bezier(.4,0,.2,1),opacity .3s ease,margin-top .3s ease}.hover-card:hover .card-content-hidden{max-height:200px;opacity:1;margin-top:8px}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}.a2ui-scene-card{animation:slideUp .4s cubic-bezier(.4,0,.2,1) forwards}.a2ui-renderer{animation:scaleIn .3s ease-out}.a2ui-glass{background:#ffffffb3;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.4);box-shadow:0 8px 32px #1f268712}.a2ui-skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}.a2ui-interactive{transition:all .2s cubic-bezier(.4,0,.2,1)}.a2ui-interactive:hover{transform:translateY(-2px);box-shadow:0 8px 20px #00000014}.a2ui-interactive:active{transform:translateY(0);box-shadow:0 2px 8px #0000000f}.a2ui-focusable:focus{outline:2px solid #3b82f6;outline-offset:2px}@media (max-width: 768px){.a2ui-scene-card{margin:0 -16px;border-radius:0}}