:root{--brand: #1B3C34;--brand-accent: #1B6B5C;--brand-light: #f0f6f4;--text: #1B3C34;--text-muted: #687076;--bg: #fafaf8;--white: #ffffff;--border: #e5e7eb;--error: #ef4444;--warning: #f59e0b;--success: #22c55e;--radius: 8px}body{font-family:Georgia,Times New Roman,serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--white);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.branded-header .header-left{display:flex;align-items:center;gap:16px}.branded-header 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h2{font-size:22px}.btn-hero{width:100%}.card-meta{gap:8px}.image-preview-grid{grid-template-columns:repeat(3,1fr)}}.pwa-install-banner{position:fixed;top:0;left:0;right:0;z-index:9999;background:var(--brand);color:#fff;padding:12px 16px;box-shadow:0 2px 12px #0003;animation:slideDown .3s ease-out}@keyframes slideDown{0%{transform:translateY(-100%)}to{transform:translateY(0)}}.pwa-install-content{display:flex;align-items:center;gap:12px;max-width:600px;margin:0 auto}.pwa-install-icon{width:44px;height:44px;border-radius:10px;flex-shrink:0}.pwa-install-text{flex:1;display:flex;flex-direction:column;gap:2px}.pwa-install-text strong{font-size:14px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.pwa-install-text span{font-size:12px;opacity:.85;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.pwa-install-btn{background:#fff;color:var(--brand);border:none;padding:8px 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