body{margin:0;font-family:Segoe UI,Arial;background:#020617;color:#e5e7eb}
a{text-decoration:none;color:#e5e7eb}
.topbar{display:flex;justify-content:space-between;padding:15px 40px;position:fixed;width:100%}
.glass{background:rgba(2,6,23,.6);backdrop-filter:blur(12px)}
.logo{font-size:24px;font-weight:700}
.logo span{color:#38bdf8}
.hero{height:100vh;display:flex;align-items:center;justify-content:center}
.doctors{background:linear-gradient(rgba(2,6,23,.7),rgba(2,6,23,.7)),url('https://images.unsplash.com/photo-1580281657527-47d9a8a3c37b') center/cover}
.overlay{text-align:center}
.btn{background:#38bdf8;color:#020617;padding:14px 34px;border-radius:40px}
.auth{display:flex;justify-content:center;align-items:center;height:100vh}
.auth form{background:#020617;border:1px solid #1e293b;padding:30px;border-radius:12px;width:320px}
.error{color:#f87171;margin-top:10px}
.dashboard{display:flex;height:100vh}
.sidebar{width:260px;background:#020617;padding:25px}
.content{flex:1;padding:40px}
.hidden{display:none}