/* ===== مشترک ===== */
* { box-sizing:border-box; }
body { margin:0; font-family:Tahoma, sans-serif; background:#f3f4f8; color:#222; }

/* ===== صفحه ورود و ثبت‌نام ===== */
.login-box { width:340px; margin:90px auto; background:#fff; padding:34px;
             border-radius:20px; box-shadow:0 8px 30px rgba(40,30,90,.10); }
.login-box h2 { margin:0 0 26px; text-align:center; color:#6366f1; font-weight:700; }
.login-box label { font-size:14px; color:#555; display:block; margin-bottom:7px; }
.login-box input[type=text],
.login-box input[type=password] { width:100%; padding:12px 14px; margin-bottom:18px;
             border:1px solid #dfe3ea; border-radius:10px; box-sizing:border-box;
             font-family:inherit; font-size:14px; text-align:right; }
.login-box input[type=text]:focus,
.login-box input[type=password]:focus { outline:none; border-color:#6366f1; }
.login-box input[type=submit] { width:100%; padding:12px; background:#6366f1;
             color:#fff; border:none; border-radius:10px; cursor:pointer;
             font-family:inherit; font-size:16px; }
.login-box input[type=submit]:hover { background:#4f46e5; }
.err { color:#d93025; font-size:13px; display:block; margin-top:14px; text-align:center; }
.link { display:block; margin-top:18px; text-align:center; font-size:14px; }
.link a { color:#6366f1; text-decoration:none; }

/* ===== داشبورد ===== */
.topbar { background:#6366f1; color:#fff; padding:15px 26px;
          display:flex; justify-content:space-between; align-items:center; }
.topbar a { color:#fff; text-decoration:none; font-size:14px; }
nav.menu { background:#fff; box-shadow:0 1px 4px rgba(40,30,90,.08); display:flex; }
nav.menu a { padding:15px 24px; color:#444; text-decoration:none; cursor:pointer; font-size:15px; }
nav.menu a.active, nav.menu a:hover { background:#eef0fe; color:#6366f1; }
.content { padding:34px; }
.panel { background:#fff; padding:30px; border-radius:20px;
         box-shadow:0 1px 4px rgba(40,30,90,.08); }
.panel h2 { margin-top:0; color:#6366f1; }