:root{--brand-navy: #06264a;--brand-navy-deep: #031b35;--brand-navy-soft: #0b345f;--brand-green: #2fa884;--brand-green-dark: #007a4d;--brand-green-soft: #e8f7f2;--flag-gold: #ffb81c;--flag-red: #de3831;--flag-blue: #002395;--flag-green: #007a4d;--flag-white: #ffffff;--app-bg: #f7fafc;--panel-bg: #ffffff;--panel-subtle: #f1f5f9;--border: #dde5ee;--text: #102033;--text-muted: #667085;--text-soft: #98a2b3;--shadow-soft: 0 18px 50px rgba(6, 38, 74, .11);--shadow-card: 0 10px 30px rgba(6, 38, 74, .08);font-family:Inter,Avenir,Montserrat,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--app-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;letter-spacing:0}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,rgba(6,38,74,.04),transparent 280px),var(--app-bg)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh}.top-bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 28px;color:#fff;background:var(--brand-navy);box-shadow:0 10px 30px #031b3538}.top-bar__brand{display:flex;align-items:center;gap:16px;min-width:0}.top-bar__brand h1{margin:0;color:#fff;font-size:22px;line-height:1.1}.top-bar__eyebrow{margin:0 0 3px;color:#ffffffb8;font-size:12px;font-weight:700;text-transform:uppercase}.top-bar__actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand-badge{display:inline-flex;align-items:baseline;gap:2px;min-width:max-content;color:#fff}.brand-badge__mark{color:var(--brand-green);font-size:25px;font-style:italic;font-weight:800}.brand-badge__name{font-size:20px;font-weight:800}.brand-badge--compact 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var(--border);background:#fff}.text-button{min-height:32px;padding:0 8px;color:var(--brand-green-dark);background:transparent}.tool-button{min-height:36px;padding:0 10px;color:var(--brand-navy);border:1px solid var(--border);background:#fff}.tool-button--link{color:var(--brand-green-dark)}.mobile-tabs{display:none}.workspace{display:grid;grid-template-columns:minmax(240px,280px) minmax(440px,1fr) minmax(320px,400px);gap:18px;align-items:start;max-width:1540px;margin:0 auto;padding:22px}.source-sidebar,.preview-panel,.hero-panel,.agent-message,.source-card,.pinned-tray,.empty-state,.no-results{border:1px solid var(--border);border-radius:8px;background:var(--panel-bg);box-shadow:var(--shadow-card)}.source-sidebar,.preview-panel{position:sticky;top:88px;max-height:calc(100vh - 110px);overflow:auto}.source-sidebar{padding:18px}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.panel-heading p,.section-kicker{margin:0 0 4px;color:var(--brand-green-dark);font-size:12px;font-weight:900;text-transform:uppercase}.panel-heading h2{margin:0;color:var(--brand-navy);font-size:21px;line-height:1.1}.panel-heading--inline{align-items:center}.count-badge{display:inline-grid;min-width:30px;height:30px;place-items:center;border-radius:999px;color:#fff;background:var(--brand-green-dark);font-size:13px;font-weight:900}.collection-list{display:grid;gap:10px}.collection-item{position:relative;display:grid;gap:6px;width:100%;min-height:92px;padding:14px 42px 14px 14px;text-align:left;color:var(--text);border:1px solid var(--border);border-radius:8px;background:#fff}.collection-item:before{position:absolute;inset:12px auto 12px 0;width:5px;content:"";border-radius:0 999px 999px 0;background:var(--brand-green)}.collection-item--gold:before{background:var(--flag-gold)}.collection-item--red:before{background:var(--flag-red)}.collection-item--blue:before{background:var(--flag-blue)}.collection-item.is-selected{border-color:#007a4d73;background:var(--brand-green-soft);box-shadow:inset 0 0 0 1px #007a4d1f}.collection-item__name{color:var(--brand-navy);font-size:15px;font-weight:900}.collection-item__description{color:var(--text-muted);font-size:13px;line-height:1.35}.collection-item__count{position:absolute;top:13px;right:12px;color:var(--text-soft);font-size:13px;font-weight:900}.sidebar-divider{height:1px;margin:18px 0;background:var(--border)}.filter-stack{display:grid;gap:18px}.filter-group{min-width:0;margin:0;padding:0;border:0}.filter-group 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24px;color:#ffffffc2;font-size:17px;line-height:1.5}.brand-ribbon{position:absolute;top:-72px;right:-92px;z-index:1;width:330px;height:380px;transform:rotate(42deg);opacity:.9;pointer-events:none}.brand-ribbon__band{position:absolute;display:block;width:72px;height:430px;border-radius:999px;box-shadow:0 12px 28px #031b352e}.brand-ribbon__band--blue{left:0;background:var(--flag-blue)}.brand-ribbon__band--white{left:58px;width:34px;background:var(--flag-white)}.brand-ribbon__band--green{left:92px;width:88px;background:var(--flag-green)}.brand-ribbon__band--gold{left:165px;width:42px;background:var(--flag-gold)}.brand-ribbon__band--red{left:207px;width:74px;background:var(--flag-red)}.search-composer{position:relative;z-index:3;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;max-width:760px;padding:8px;border:1px solid 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h2{margin:8px 0 0;color:var(--brand-navy)}.no-results p{margin:6px 0 0;color:var(--text-muted)}@media(max-width:1180px){.workspace{grid-template-columns:minmax(220px,260px) minmax(0,1fr)}.preview-pane{grid-column:1 / -1}.preview-panel{position:static;max-height:none}}@media(max-width:820px){.top-bar{align-items:flex-start;padding:13px 16px}.top-bar__brand{gap:10px}.top-bar__brand h1{font-size:18px}.top-bar__actions span{display:none}.mobile-tabs{position:sticky;top:68px;z-index:15;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:10px 12px;background:#f7fafcf0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.mobile-tabs button{min-height:38px;color:var(--text-muted);border:1px solid var(--border);border-radius:999px;background:#fff;font-weight:900}.mobile-tabs button.is-active{color:#fff;border-color:var(--brand-green-dark);background:var(--brand-green-dark)}.workspace{display:block;padding:12px}.mobile-pane,.search-pane,.preview-pane{display:none}.mobile-pane.is-active,.search-pane.is-active,.preview-pane.is-active{display:block}.source-sidebar{position:static;max-height:none}.search-pane.is-active{display:grid}.hero-panel{min-height:auto;padding:22px}.hero-panel h2,.empty-state h2{font-size:32px}.hero-panel p:not(.section-kicker){font-size:15px}.search-composer,.source-card{grid-template-columns:1fr}.source-card__actions{grid-template-columns:1fr 1fr;border-top:1px solid var(--border);border-left:0}.preview-panel{position:static;max-height:none}.preview-actions{grid-template-columns:1fr}.brand-ribbon{display:none}}@media(max-width:520px){.top-bar__eyebrow{display:none}.brand-badge__mark{font-size:21px}.brand-badge__name{font-size:17px}.top-bar__actions{gap:6px}.icon-button{width:38px;min-height:38px;padding:0}.hero-panel h2,.empty-state 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