:root{--color-bg:#f4f6fa;--color-surface:#fff;--color-border:#e2e6ee;--color-text:#1c2433;--color-text-muted:#6b7488;--color-primary:#3454d1;--color-primary-hover:#2941ab;--color-primary-bg:#eef1fd;--color-success-text:#0f7b3f;--color-success-bg:#e5f6ec;--color-danger-text:#c0362c;--color-danger-bg:#fdeceb;--color-warning-bg:#fff6e0;--color-warning-text:#8a6300;--radius-sm:6px;--radius-md:10px;--shadow-card:0 1px 2px #1418260a, 0 1px 12px #1418260d;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;margin:0;line-height:1.5}h1,h2,h3,h4{font-family:var(--font-sans);color:var(--color-text);margin:0 0 .5rem;line-height:1.3}h1{letter-spacing:-.01em;font-size:1.5rem;font-weight:700}h2{margin-bottom:1rem;font-size:1.3rem;font-weight:600}h3{color:var(--color-text);border-bottom:1px solid var(--color-border);margin-top:1.75rem;margin-bottom:.75rem;padding-bottom:.4rem;font-size:1.05rem;font-weight:600}h4{color:var(--color-text-muted);font-size:.95rem;font-weight:600}p{margin:0 0 .75rem}a{color:var(--color-primary)}label{color:var(--color-text-muted);font-size:.85rem;font-weight:500}input,select,textarea{font-family:var(--font-sans);color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.4rem .6rem;font-size:.9rem}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-bg);outline:none}input:disabled,select:disabled{background:var(--color-bg);color:var(--color-text-muted)}button{font-family:var(--font-sans);color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;padding:.45rem .85rem;font-size:.85rem;font-weight:500;transition:background .15s,border-color .15s,color .15s}button:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}button:disabled{cursor:default;opacity:.55}button.button-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}button.button-primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover);color:#fff}button.nav-button{border-radius:999px;padding:.4rem 1rem}button.nav-button:disabled{background:var(--color-primary);border-color:var(--color-primary);color:#fff;opacity:1}table{border-collapse:collapse;background:var(--color-surface);width:100%;font-size:.9rem}th{text-align:left;text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-muted);background:var(--color-bg);border-bottom:1px solid var(--color-border);padding:.6rem .75rem;font-size:.78rem;font-weight:600}td{border-bottom:1px solid var(--color-border);padding:.55rem .75rem}tbody tr:hover td{background:var(--color-primary-bg)}tbody tr:last-child td{border-bottom:none}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);margin-bottom:1.5rem;padding:1.25rem 1.5rem;overflow-x:auto}.card table{margin:0}.section{margin-bottom:2rem}.muted{color:var(--color-text-muted);font-size:.85rem}.stat-value{color:var(--color-text);font-size:1.6rem;font-weight:700}.badge{border-radius:999px;padding:.15rem .55rem;font-size:.85rem;font-weight:600;display:inline-block}.badge-positive{color:var(--color-success-text);background:var(--color-success-bg)}.badge-negative{color:var(--color-danger-text);background:var(--color-danger-bg)}.badge-neutral{color:var(--color-text-muted);background:var(--color-bg)}.banner{border-radius:var(--radius-sm);margin-bottom:1rem;padding:.65rem 1rem;font-size:.9rem}.banner-success{background:var(--color-success-bg);color:var(--color-success-text)}.banner-error{background:var(--color-danger-bg);color:var(--color-danger-text)}.banner-info{background:var(--color-warning-bg);color:var(--color-warning-text)}