:root{--bg:#fff;--text:#1a1a1a;--accent:#f97316;--accent-hover:#ea580c;--surface:#f3f4f6;--surface-border:#e5e7eb;--success:#22c55e;--error:#ef4444;--font:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{background-color:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:12px 24px;font-family:inherit;font-size:1rem;font-weight:600;transition:background-color .2s}button:hover{background-color:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background-color:var(--surface);color:var(--text)}button.secondary:hover{background-color:var(--surface-border)}input,select,textarea{border:1px solid var(--surface-border);background-color:var(--bg);width:100%;color:var(--text);border-radius:8px;padding:12px;font-family:inherit;font-size:1rem}.container{max-width:600px;margin:0 auto;padding:24px}.card{background-color:var(--bg);border:1px solid var(--surface-border);border-radius:12px;margin-bottom:16px;padding:1.25rem}h1,h2,h3,h4{font-weight:700}h1{margin-bottom:24px;font-size:1.5rem}h2{margin-bottom:16px;font-size:1.25rem}h3{margin-bottom:16px;font-size:1.15rem}h4{margin-bottom:12px;font-size:1rem}.badge{text-transform:uppercase;letter-spacing:.05em;border-radius:99px;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-block}.badge.approved{color:#166534;background-color:#dcfce7}.badge.rejected{color:#991b1b;background-color:#fee2e2}.badge.pending{color:#713f12;background-color:#fef9c3}nav{background-color:var(--bg);border-top:1px solid var(--surface-border);z-index:900;justify-content:space-around;max-width:600px;margin:0 auto;padding:12px 0;display:flex;position:fixed;bottom:0;left:0;right:0}nav a{color:var(--text);padding:4px 12px;font-size:.875rem;font-weight:600}.pb-nav{padding-bottom:80px}.hidden{display:none!important}.timeline-main-thread{border:1px solid var(--surface-border);border-left:4px solid var(--accent);background:#fffaf5;border-radius:12px;margin-bottom:20px;padding:20px;position:relative}.timeline-label{color:var(--accent-hover);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;font-size:.75rem;font-weight:800}.timeline-replies{margin-top:24px}.timeline-locked{color:#6b7280;font-size:.9rem}.timeline-reply{border:1px solid var(--surface-border);background:var(--bg);border-radius:10px;margin:12px 0 0 18px;padding:14px;position:relative}.timeline-reply:before{content:"";border-left:2px solid var(--surface-border);border-bottom:2px solid var(--surface-border);border-bottom-left-radius:8px;width:18px;height:18px;position:absolute;top:18px;left:-19px}.timeline-answer{background:var(--surface);white-space:pre-wrap;border-radius:8px;padding:10px 12px}.form-section{border-bottom:1px solid var(--surface-border);margin-bottom:24px;padding-bottom:24px}.form-section:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}.form-field{margin-bottom:16px}.form-field label,.form-field-label{margin-bottom:6px;font-size:.875rem;font-weight:500;display:block}.form-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.toggle-switch-field{justify-content:space-between;align-items:center;padding:8px 0;display:flex}.toggle-switch{width:50px;height:28px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;background-color:var(--surface-border);border-radius:28px;transition:all .4s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:20px;height:20px;transition:all .4s;position:absolute;bottom:4px;left:4px;box-shadow:0 1px 3px #0000001a}input:checked+.slider{background-color:var(--accent)}input:checked+.slider:before{transform:translate(22px)}