:root{--c-bg: #f5f6fa;--c-surface: #ffffff;--c-border: #e2e4eb;--c-border-strong: #c8ccd8;--c-text: #1a1c23;--c-muted: #5b6070;--c-primary: #8A2BE2;--c-primary-hover: #9b3df0;--c-danger: #c22d3b;--c-warn: #b86e00;--c-ok: #1f8a49;--r-sm: 4px;--r-md: 6px;--r-lg: 10px;--shadow-1: 0 1px 2px rgba(0, 0, 0, .05);--shadow-2: 0 4px 14px rgba(0, 0, 0, .08);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}body{margin:0;background:var(--c-bg);color:var(--c-text);font-size:14px;line-height:1.5}h1,h2,h3{margin:0 0 .5rem;line-height:1.2}h1{font-size:1.5rem}h2{font-size:1.2rem}h3{font-size:1rem}a{color:var(--c-primary);text-decoration:none}a:hover{text-decoration:underline}.row{display:flex;gap:.75rem;align-items:center}.col{display:flex;flex-direction:column;gap:.5rem}.stack{display:flex;flex-direction:column;gap:1rem}.gap-sm{gap:.5rem}.gap-lg{gap:1.5rem}.grow{flex:1 1 auto;min-width:0}.pad-1{padding:1rem}.pad-2{padding:1.5rem}.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:1.25rem;box-shadow:var(--shadow-1)}.card+.card{margin-top:1rem}.muted{color:var(--c-muted)}.small{font-size:.85rem}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}label{display:block;font-weight:500;margin-bottom:.25rem}input,select,textarea{width:100%;padding:.5rem .625rem;border:1px solid var(--c-border-strong);border-radius:var(--r-md);font:inherit;background:#fff;color:inherit;box-sizing:border-box}input:focus,select:focus,textarea:focus{outline:2px solid var(--c-primary);outline-offset:-1px;border-color:var(--c-primary)}.btn{display:inline-flex;align-items:center;gap:.375rem;padding:.5rem .9rem;border:1px solid var(--c-border-strong);border-radius:var(--r-md);background:#fff;color:var(--c-text);font:inherit;font-weight:500;cursor:pointer;transition:background .1s ease}.btn:hover{background:#f0f2f7}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);box-shadow:0 0 16px #8a2be233}.btn-primary:hover{background:var(--c-primary-hover);border-color:var(--c-primary-hover)}.btn-danger{background:var(--c-danger);color:#fff;border-color:var(--c-danger)}.btn-danger:hover{background:#a22330}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover{background:#eaecf3}.alert{padding:.75rem 1rem;border-radius:var(--r-md);border:1px solid transparent}.alert-error{background:#fdecee;border-color:#f3c4c9;color:var(--c-danger)}.alert-warn{background:#fdf2dd;border-color:#f0d9a3;color:var(--c-warn)}.alert-ok{background:#e6f6ec;border-color:#b6e0c5;color:var(--c-ok)}table.t{width:100%;border-collapse:collapse}table.t th,table.t td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--c-border);font-weight:400}table.t th{font-size:.75rem;text-transform:uppercase;letter-spacing:.03em;color:var(--c-muted)}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.shell-side{background:#0d0d14;color:#dfe2ec;padding:1.25rem 1rem;display:flex;flex-direction:column;gap:.25rem;border-right:1px solid #1A1A24}.shell-side .brand-mark{display:block;margin:0 0 1rem;padding:.25rem .25rem .75rem;border-bottom:1px solid #1A1A24}.shell-side .brand-mark img{display:block;width:100%;max-width:180px;height:auto}.shell-side a{display:block;padding:.5rem .625rem;border-radius:var(--r-md);color:#cfd3e0}.shell-side a:hover{background:#1a1a24;text-decoration:none}.shell-side a.active{background:#8a2be2;color:#fff;box-shadow:0 0 24px #8a2be24d}.shell-main{padding:1.5rem;overflow:auto}.shell-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f121c8c;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;border-radius:var(--r-lg);padding:1.5rem;max-width:520px;width:calc(100% - 2rem);box-shadow:var(--shadow-2)}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 1rem;background:radial-gradient(circle at 20% 20%,rgba(0,229,255,.1),transparent 45%),radial-gradient(circle at 80% 80%,rgba(138,43,226,.18),transparent 50%),#0d0d14;color:#e6e6e6}.auth-wrap a{color:#00e5ff}.auth-wrap .auth-card .card{background:var(--c-surface);color:var(--c-text)}.auth-card{max-width:420px;width:100%}.auth-brand{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-bottom:1.5rem}.auth-brand img{display:block;width:220px;max-width:100%;height:auto}.auth-brand-tagline{color:var(--c-muted);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}.badge{display:inline-block;padding:.1rem .5rem;border-radius:999px;font-size:.75rem;background:#eaecf3;color:var(--c-muted)}.badge-ok{background:#e6f6ec;color:var(--c-ok)}.badge-warn{background:#fdf2dd;color:var(--c-warn)}.spinner{display:inline-block;width:.8em;height:.8em;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;margin-right:.4em;vertical-align:-2px;animation:sg-spinner-rot .8s linear infinite}@keyframes sg-spinner-rot{to{transform:rotate(360deg)}}