:root{--ink:#13233d;--blue:#163a6e;--deep:#0b2247;--gold:#c9a227;--paper:#faf6ec;--line:rgba(19,35,61,.13);--muted:rgba(19,35,61,.65)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Tajawal',sans-serif}.wrap{max-width:1180px;margin:auto;padding:0 28px}header{background:var(--deep);color:white}.nav{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;color:white;text-decoration:none}.auth-page{min-height:calc(100vh - 78px);display:grid;place-items:center}.auth-card{width:min(440px,100%);background:white;border:1px solid var(--line);border-radius:16px;padding:34px;box-shadow:0 20px 50px rgba(19,35,61,.1)}.auth-card h1{font:700 42px 'Markazi Text';margin:8px 0}.auth-card p{color:var(--muted)}.auth-card label{display:grid;gap:7px;margin:17px 0;font-weight:700}.auth-card input{padding:12px;border:1px solid var(--line);border-radius:8px;font:inherit}.auth-card button,.link-button{border:0;background:var(--blue);color:white;padding:12px 22px;border-radius:8px;font:inherit;cursor:pointer}.auth-card button{width:100%;font-weight:800}.form-message{margin-top:12px;color:#a72d2d}.link-button{background:transparent}.course-card .course-thumb{background:linear-gradient(135deg,var(--blue),#3268a8)}