:root{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--bg-canvas: #0c0f14;--bg-surface: #141820;--bg-card: #1b212b;--border-color: #273142;--text-primary: #f0f3f8;--text-secondary: #9aa8bc;--text-muted: #627184;--accent-primary: #3b82f6;--accent-hover: #2563eb;--accent-focus: rgba(59, 130, 246, .4);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px}[data-theme=light]{--bg-canvas: #f6f8fb;--bg-surface: #ffffff;--bg-card: #ffffff;--border-color: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--accent-primary: #2563eb;--accent-hover: #1d4ed8;--accent-focus: rgba(37, 99, 235, .25)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-canvas);color:var(--text-primary);line-height:1.5;min-height:100vh;display:flex;flex-direction:column}.skip-link{position:absolute;top:-40px;left:0;background:var(--accent-primary);color:#fff;padding:8px 16px;z-index:100;text-decoration:none;border-radius:0 0 var(--radius-sm) 0}.skip-link:focus{top:0}.sovereign-header{background:var(--bg-surface);border-bottom:1px solid var(--border-color);padding:12px 24px;position:sticky;top:0;z-index:50}.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.header-brand{display:flex;align-items:center;gap:12px}.fleet-hub-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-primary);text-decoration:none;font-weight:700;font-size:.95rem}.fleet-glyph{color:var(--accent-primary)}.brand-divider{color:var(--border-color)}.brand-title{font-size:1.1rem;font-weight:600}.header-actions{display:flex;align-items:center;gap:8px}.header-btn{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color);padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:.85rem;font-weight:500;transition:all .15s ease}.header-btn:hover{color:var(--text-primary);border-color:var(--text-secondary)}[data-theme=dark] .light-icon{display:inline}[data-theme=dark] .dark-icon,[data-theme=light] .light-icon{display:none}[data-theme=light] .dark-icon{display:inline}.main-layout{flex:1;max-width:960px;width:100%;margin:0 auto;padding:40px 20px}.hero-section{text-align:center;margin-bottom:32px}.hero-badge{display:inline-block;background:#3b82f61f;color:var(--accent-primary);font-size:.8rem;font-weight:600;padding:4px 12px;border-radius:9999px;margin-bottom:12px}.hero-title{font-size:2.2rem;font-weight:800;margin-bottom:8px;letter-spacing:-.02em}.hero-subtitle{color:var(--text-secondary);font-size:1.05rem;max-width:640px;margin:0 auto}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px}.tool-workspace{margin-bottom:40px}.workspace-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-tag{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.status-indicator{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;color:var(--text-secondary)}.status-indicator .dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.app-textarea{width:100%;background:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-primary);padding:14px;border-radius:var(--radius-md);font-family:var(--font-mono);font-size:.95rem;resize:vertical}.app-textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-focus)}.workspace-actions{display:flex;gap:12px;margin:16px 0}.btn{padding:10px 18px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:all .15s ease}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--text-secondary)}.output-region{margin-top:16px;background:var(--bg-surface);min-height:80px;border-radius:var(--radius-md);padding:16px}.output-placeholder{color:var(--text-muted);font-style:italic;font-size:.9rem}.faq-section{margin-top:48px}.section-title{font-size:1.3rem;font-weight:700;margin-bottom:20px}.faq-grid{display:flex;flex-direction:column;gap:12px}.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 18px}.faq-question{font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none}.faq-answer{margin-top:10px;color:var(--text-secondary);font-size:.92rem;line-height:1.6}.sovereign-footer{background:var(--bg-surface);border-top:1px solid var(--border-color);padding:48px 24px 24px;margin-top:auto}.footer-grid{max-width:1200px;margin:0 auto 32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px}.footer-heading{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px;color:var(--text-primary)}.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}.footer-links a,.link-btn{color:var(--text-secondary);text-decoration:none;font-size:.88rem;background:none;border:none;padding:0;cursor:pointer;text-align:left}.footer-links a:hover,.link-btn:hover{color:var(--accent-primary)}.footer-desc{font-size:.85rem;color:var(--text-secondary);margin-bottom:12px}.footer-copy{font-size:.8rem;color:var(--text-muted)}.badge{display:inline-block;background:var(--border-color);padding:2px 6px;border-radius:4px;font-size:.75rem;color:var(--text-muted)}.sovereign-dialog{margin:auto;background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:0;max-width:500px;width:90%;box-shadow:0 20px 40px #0006}.sovereign-dialog::backdrop{background:#000000a6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.dialog-content{padding:24px}.dialog-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.dialog-close{background:none;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer}.dialog-body{margin-bottom:24px;color:var(--text-secondary);font-size:.95rem;line-height:1.6}.dialog-footer{display:flex;justify-content:flex-end;gap:8px}.setting-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border-color)}.vault-info{background:var(--bg-card);padding:12px;border-radius:var(--radius-sm);margin-top:12px;font-family:var(--font-mono);font-size:.85rem}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:1000}.toast{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-color);padding:12px 18px;border-radius:var(--radius-sm);font-size:.88rem;box-shadow:0 10px 25px #0000004d;animation:slideIn .2s ease-out}@keyframes slideIn{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}