:root{--pa:#3b82f6;--pa-dk:#1d4ed8;--pa-lt:#60a5fa;--pa-rgb:59, 130, 246;--pa-wash:rgba(59, 130, 246, .08);--ml-surface:#ffffff;--ml-surface-2:#f8fafc;--ml-surface-border:#e6e8ec;--ml-text:#0f172a;--ml-text-muted:#64748b;--ml-nav-h:62px;--ml-radius:14px;--ml-radius-lg:20px;--ml-radius-pill:999px;--ml-shadow-card:0 2px 12px rgba(15, 23, 42, .06);--ml-shadow-pop:0 10px 34px rgba(15, 23, 42, .16);--ml-ease:cubic-bezier(.22, .61, .36, 1);--ml-t:.2s var(--ml-ease);--ml-good:#22c55e;--ml-bad:#ef4444;--ml-warm:#f59e0b;--ml-flame:#ff7a3c}body.portal-main,body.portal-phy,body.portal-institute{--pa:#3b82f6;--pa-dk:#1d4ed8;--pa-lt:#60a5fa;--pa-rgb:59,130,246;--pa-wash:rgba(59,130,246,.08)}body.portal-qb{--pa:#6366f1;--pa-dk:#4f46e5;--pa-lt:#818cf8;--pa-rgb:99,102,241;--pa-wash:rgba(99,102,241,.08)}body.portal-bio{--pa:#10b981;--pa-dk:#059669;--pa-lt:#34d399;--pa-rgb:16,185,129;--pa-wash:rgba(16,185,129,.08)}body.portal-che{--pa:#22c55e;--pa-dk:#16a34a;--pa-lt:#4ade80;--pa-rgb:34,197,94;--pa-wash:rgba(34,197,94,.08)}body.portal-math{--pa:#ef4444;--pa-dk:#dc2626;--pa-lt:#f87171;--pa-rgb:239,68,68;--pa-wash:rgba(239,68,68,.08)}.ml-sc-overlay{position:fixed;inset:0;background:rgb(15 23 42 / .75);z-index:100000;display:flex;align-items:center;justify-content:center;padding:18px;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.ml-sc-modal{background:var(--ml-surface,#fff);border-radius:20px;padding:18px;max-width:360px;width:100%;max-height:94vh;overflow:auto;text-align:center;box-shadow:var(--ml-shadow-pop,0 10px 34px rgb(15 23 42 / .16))}.ml-sc-loading{padding:70px 0;color:var(--ml-text-muted,#64748b);font-weight:600}.ml-sc-preview{width:100%;max-width:258px;border-radius:14px;box-shadow:0 8px 30px rgb(0 0 0 / .22);margin:0 auto 10px;display:block}.ml-sc-hint{font-size:12px;color:var(--ml-text-muted,#64748b);margin-bottom:14px}.ml-sc-actions{display:flex;flex-direction:column;gap:9px}.ml-sc-btn{display:block;text-decoration:none;text-align:center;padding:13px;border-radius:12px;font-weight:800;font-size:15px;cursor:pointer;border:1.5px solid var(--ml-surface-border,#e2e8f0);background:var(--ml-surface,#fff);color:var(--ml-text,#334155)}.ml-sc-btn.primary{background:linear-gradient(135deg,#833ab4,#e1306c 55%,#f77737);color:#fff;border:none}.ml-sc-btn.ig{background:#fff;color:#e1306c;border-color:#f5aacb}.ml-sc-btn.wa{background:#22c55e;color:#fff;border-color:#22c55e}.ml-sc-btn.ghost{background:#fff0;border:none;color:var(--ml-text-muted,#94a3b8)}@keyframes ml-shimmer{0%{background-position:-360px 0}100%{background-position:360px 0}}.ml-skeleton{background:linear-gradient(90deg,var(--ml-surface-2) 25%,var(--ml-surface-border) 37%,var(--ml-surface-2) 63%);background-size:720px 100%;animation:ml-shimmer 1.3s linear infinite;border-radius:8px}@media (prefers-reduced-motion:reduce){.ml-skeleton{animation:none}}body.ml-dark{--ml-surface:var(--dm-surface, #1e293b);--ml-surface-2:var(--dm-surface-2, #334155);--ml-surface-border:var(--dm-border, #475569);--ml-text:var(--dm-text, #e2e8f0);--ml-text-muted:var(--dm-text-muted, #94a3b8);--ml-shadow-card:0 2px 12px rgba(0, 0, 0, .40);--ml-shadow-pop:0 10px 34px rgba(0, 0, 0, .55)}