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/* GHALEB LAHBIB mathematics identity + admin CMS */
body{font-feature-settings:"kern" 1,"liga" 1;text-rendering:optimizeLegibility}.brand span{font-weight:800;letter-spacing:-.025em}.math-hero{position:relative}.math-grid-bg{position:absolute;inset:0;opacity:.34;pointer-events:none;background-image:linear-gradient(rgba(8,104,232,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(8,104,232,.055) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,#000,transparent 90%)}.math-hero .container{position:relative;z-index:1}.math-symbol{position:absolute;z-index:1;font-weight:800;color:rgba(8,104,232,.15);font-size:70px;line-height:1;user-select:none;animation:mathFloat 7s ease-in-out infinite}.symbol-a{left:8%;top:15%}.symbol-b{right:8%;top:18%;animation-delay:1.2s}.symbol-c{right:2%;bottom:14%;animation-delay:2.2s}.symbol-d{left:8%;bottom:20%;animation-delay:.6s}@keyframes mathFloat{50%{transform:translateY(-14px) rotate(4deg)}}.professor-chip{display:inline-flex;align-items:center;gap:12px;margin-top:12px;padding:10px 14px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 35px rgba(8,104,232,.08)}.professor-chip>span{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-size:20px;font-weight:800}.professor-chip div{display:flex;flex-direction:column}.professor-chip strong{font-size:14px}.professor-chip small{color:var(--muted)}.portrait-mini{position:relative}.portrait-equation{position:absolute;left:24px;top:24px;z-index:2;padding:9px 13px;border-radius:12px;background:rgba(255,255,255,.92);box-shadow:0 10px 30px rgba(8,104,232,.11);color:var(--blue);font-weight:800;font-family:"DM Sans",sans-serif}.math-page-hero{position:relative;overflow:hidden}.math-page-hero:after{content:"π   ∑   √   ∞   f(x)";position:absolute;right:4%;bottom:-8px;font-size:72px;font-weight:800;letter-spacing:.15em;color:rgba(8,104,232,.055);pointer-events:none}.plan-ribbon{position:absolute;top:18px;right:18px;padding:7px 11px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-size:11px;font-weight:800;box-shadow:0 8px 20px rgba(8,104,232,.2)}html[dir=rtl] .plan-ribbon{right:auto;left:18px}.contact-role{font-weight:800;color:var(--blue)}.social-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.admin-shortcuts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.shortcut-card{padding:22px;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:0 8px 30px rgba(34,83,140,.07);display:flex;flex-direction:column;gap:6px;transition:.25s}.shortcut-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b7d5ff}.shortcut-card>span{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:#edf5ff;color:var(--blue);font-size:22px;font-weight:800}.shortcut-card strong{font-size:18px}.shortcut-card small{color:var(--muted);line-height:1.5}.cms-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.cms-card{display:grid;gap:14px}.cms-wide{grid-column:1/-1}.cms-card label{display:grid;gap:7px;font-weight:700;font-size:13px}.cms-card-head{display:flex;gap:14px;align-items:flex-start;padding-bottom:12px;border-bottom:1px solid var(--line)}.cms-card-head>span{display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-weight:800}.cms-card-head h2{margin:0}.cms-card-head p{margin:3px 0 0;color:var(--muted)}.locale-fieldset{border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;gap:12px;margin:0}.locale-fieldset legend{padding:0 8px;color:var(--blue);font-weight:800}.cms-two,.color-grid,.upload-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.color-grid,.upload-grid{grid-template-columns:repeat(3,1fr)}.locale-tabs-note{font-weight:800;color:var(--muted);font-size:12px;letter-spacing:.08em}.cms-action-card{align-self:start;background:linear-gradient(135deg,#eef6ff,#f7f3ff)}.wide-admin{grid-template-columns:390px 1fr}.locale-mini{padding:12px;border-radius:14px;background:#f7faff;display:grid;gap:8px}.locale-mini strong{color:var(--blue);font-size:11px;letter-spacing:.08em}.page-hero p{max-width:760px;color:var(--muted);font-size:18px}.price-card{overflow:hidden}.price-card.featured-plan:before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--blue),var(--purple))}
@media(max-width:980px){.admin-shortcuts{grid-template-columns:1fr}.cms-grid{grid-template-columns:1fr}.cms-wide{grid-column:auto}.wide-admin{grid-template-columns:1fr}.math-symbol{font-size:48px}}
@media(max-width:640px){.cms-two,.color-grid,.upload-grid{grid-template-columns:1fr}.math-page-hero:after{font-size:38px}.professor-chip{width:100%}}