:root{color-scheme:dark;--bg: #05070c;--surface: #0c111b;--surface-raised: #121a27;--surface-hairline: #1d2635;--border: #212c3d;--border-subtle: #171f2c;--text-primary: #edf1f7;--text-secondary: #9aa8bd;--text-tertiary: #647087;--accent: #4fc7e8;--accent-strong: #86ddf5;--accent-dim: #1c3a44;--warm: #e2a54f;--warm-dim: #3a2e18;--danger: #e0685f;--font-display: "Source Serif 4", Georgia, serif;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--nav-height: 58px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text-primary);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{overscroll-behavior-y:none}#root{height:100dvh;display:flex;flex-direction:column;overflow:hidden}a{color:inherit;text-decoration:none}button{font-family:inherit;color:inherit;background:none;border:none;padding:0;margin:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;font-size:inherit}input{font-family:inherit;color-scheme:dark}h1,h2,h3{font-family:var(--font-display);font-weight:600;margin:0;letter-spacing:-.01em}p{margin:0}::selection{background:var(--accent-dim);color:var(--accent-strong)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100px;left:8px;background:var(--surface-raised);color:var(--text-primary);padding:10px 16px;border-radius:8px;z-index:100;transition:top .15s ease}.skip-link:focus{top:calc(var(--safe-top) + 8px)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-content{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:24px}.screen{max-width:640px;margin:0 auto;padding:0 16px 24px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(var(--safe-top) + 14px) 0 14px;position:sticky;top:0;background:linear-gradient(var(--bg) 70%,transparent);z-index:5}.topbar__wordmark{font-family:var(--font-ui);font-weight:700;font-size:15px;letter-spacing:.16em;color:var(--text-primary)}.topbar__search,.topbar__back{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;color:var(--text-secondary);flex-shrink:0}.topbar__search:hover,.topbar__back:hover{color:var(--text-primary);background:var(--surface-raised)}.search-input{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 14px;color:var(--text-primary);font-size:15px;font-family:var(--font-ui)}.search-input::placeholder{color:var(--text-tertiary)}.bottom-nav{flex-shrink:0;display:flex;justify-content:space-around;align-items:stretch;background:#0a0e17;border-top:1px solid var(--border-subtle);padding-bottom:var(--safe-bottom)}.bottom-nav__item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:9px 0 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16px;display:flex;align-items:center;justify-content:space-between}.screen-header__title{font-size:26px}.briefing__date{color:var(--text-tertiary);font-size:13px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;margin-bottom:4px}.briefing__headline{font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--accent);margin-bottom:8px}.briefing__intro{font-family:var(--font-display);font-size:19px;line-height:1.4;color:var(--text-primary);margin-bottom:24px}.briefing__featured{margin-bottom:24px}.briefing__list{display:flex;flex-direction:column;gap:14px}.briefing__section{margin-top:28px}.briefing__section-title{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--warm);margin-bottom:14px}.featured-story{display:block;border-radius:16px;overflow:hidden;background:var(--surface);border:1px solid var(--border)}.featured-story__image{width:100%;aspect-ratio:16 / 10;object-fit:cover;display:block}.featured-story__body{padding:16px}.featured-story__title{font-size:22px;line-height:1.28;color:var(--text-primary);margin:10px 0 8px}.featured-story__summary{font-size:14.5px;line-height:1.55;color:var(--text-secondary);margin-bottom:14px}.article-card{display:flex;gap:12px;padding:12px;border-radius:14px;background:var(--surface);border:1px solid var(--border-subtle);position:relative}.article-card__index{position:absolute;top:10px;left:10px;font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary);background:#05070cb3;padding:2px 6px;border-radius:5px;z-index:1}.article-card__image{width:88px;height:88px;border-radius:10px;object-fit:cover;flex-shrink:0}.article-card__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:5px}.article-card__meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.article-card__time{font-size:12px;color:var(--text-tertiary)}.article-card__title{font-size:15.5px;line-height:1.32;color:var(--text-primary);font-weight:600;font-family:var(--font-ui);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-card__summary{font-size:13px;line-height:1.45;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-card__footer{display:flex;align-items:center;gap:6px;margin-top:auto;font-size:12px;color:var(--text-tertiary)}.article-card__source{font-weight:500;color:var(--text-secondary)}.article-card__dot{opacity:.6}.article-card__reading-time{flex:1}.article-image--placeholder{display:flex;align-items:center;justify-content:center;background:var(--surface-raised);color:var(--text-tertiary)}.pill{display:inline-flex;align-items:center;font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--accent);background:var(--accent-dim);padding:3px 8px;border-radius:999px}.pill--warm{color:var(--warm);background:var(--warm-dim)}.chip-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:18px;scrollbar-width:none}.chip-row::-webkit-scrollbar{display:none}.chip{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-secondary);font-size:13px;font-weight:500;min-height:38px}.chip--active{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.chip__count{font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary)}.chip--active 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