:root{--sky1:#e9f8ff;--sky2:#ffffff;--accent:#2aa6ff;--text:#0b2b33;--muted:#55686b}
*{box-sizing:border-box}
body{margin:0;font-family:Cairo,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,var(--sky1),var(--sky2));-webkit-font-smoothing:antialiased;min-height:100vh}
.site-header{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:#fff;border-bottom:1px solid rgba(10,30,50,0.04)}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:56px;height:56px}
.brand-title{font-weight:800;color:var(--accent);font-size:20px}
.brand-tag{font-size:13px;color:var(--muted)}
.site-nav a{margin-left:10px;text-decoration:none;color:var(--text);font-weight:600}
.container{max-width:1100px;margin:18px auto;padding:0 12px}
.card{background:#fff;padding:16px;border-radius:12px;box-shadow:0 8px 20px rgba(10,30,50,0.05);margin-bottom:14px}
.chatCard .messages{min-height:220px;max-height:48vh;overflow:auto;padding:12px;border-radius:10px;background:linear-gradient(180deg,#fff,#f8feff);border:1px solid rgba(16,48,64,0.04);display:flex;flex-direction:column;gap:8px}
.inputRow{display:flex;gap:8px;margin-top:12px;align-items:center}
.inputRow input{flex:1;padding:12px;border-radius:10px;border:1px solid rgba(16,48,64,0.06)}
.btn{background:var(--accent);color:#fff;padding:10px 14px;border-radius:10px;border:none;cursor:pointer}
.small{font-size:13px;color:var(--muted);margin-top:8px}
.msg{max-width:78%;padding:10px;border-radius:10px;white-space:pre-wrap}
.msg.user{align-self:flex-end;background:#f1f8ff}
.msg.bot{align-self:flex-start;background:#eef9ff}
.admin-fab{position:fixed;right:18px;bottom:18px;background:var(--accent);color:#fff;padding:12px;border-radius:12px;border:none;cursor:pointer;z-index:9999}
.admin-panel{display:none;position:fixed;left:18px;top:80px;background:#fff;padding:12px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,0.15);z-index:9999;width:380px;max-width:calc(100% - 40px)}
footer{margin:18px 0;color:var(--muted);font-size:13px;text-align:center}