:root{
  --blue:#1268e8;
  --blue2:#61d6ff;
  --navy:#061b49;
  --text:#0d1b3f;
  --muted:#6e7f9d;
  --line:#dfe8f5;
  --bg:#f6f9fe;
  --card:#fff;
  --green:#19b86a;
}
*{box-sizing:border-box}
body{margin:0;background:#f6f9fe;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text)}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top right,#e5f4ff,transparent 42%),#f8fbff}
.login-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:0 24px 70px rgba(21,55,105,.12)}
.login-logo{width:210px;display:block;margin:0 0 24px}
.login-card h1{font-size:32px;margin:0 0 8px;color:var(--navy)}
.login-card p{color:var(--muted);line-height:1.45}
.alert{padding:13px 14px;border-radius:14px;margin:16px 0;font-weight:800}
.alert.error{background:#fff0f3;color:#be2946;border:1px solid #ffd5de}
label{display:block;margin:16px 0 7px;font-weight:800}
input{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font-size:15px;color:var(--text);background:#fbfdff}
button,.login-card button{border:0;border-radius:14px;padding:13px 18px;background:linear-gradient(135deg,var(--blue),#2e86ff);color:#fff;font-weight:900;box-shadow:0 12px 28px rgba(18,104,232,.24);cursor:pointer}
.login-card button{width:100%;margin:20px 0 14px}
.login-card small{color:var(--muted)}
.app-shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr}
.sidebar{background:rgba(255,255,255,.86);border-right:1px solid var(--line);padding:22px 18px;display:flex;flex-direction:column;gap:20px}
.brand img{width:210px;max-width:100%}
.sidebar nav{display:flex;flex-direction:column;gap:6px}
.sidebar nav a{display:flex;align-items:center;gap:12px;text-decoration:none;color:#24345b;font-weight:800;padding:12px 14px;border-radius:14px}
.sidebar nav a span{width:22px;color:#2b6fe8;font-size:18px;text-align:center}
.sidebar nav a.active,.sidebar nav a:hover{background:#eaf3ff;color:#0b5ddd}
.smtp-card{margin-top:auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 14px 35px rgba(26,65,119,.06)}
.smtp-card b{display:block;margin-bottom:8px;color:var(--navy)}
.smtp-card p{margin:0 0 12px;color:var(--muted)}
.dot{width:9px;height:9px;background:var(--green);border-radius:50%;display:inline-block;margin-right:6px}
.smtp-card div{display:flex;justify-content:space-between;margin-top:10px;color:var(--muted)}
.smtp-card strong{color:var(--navy)}
.smtp-card a{display:block;margin-top:14px;color:var(--blue);font-weight:900;text-decoration:none}
.sidebar-bottom{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px}
.sidebar-bottom a{color:#e33d5b;text-decoration:none;font-weight:900}
.main{padding:26px 34px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.topbar h1{font-size:38px;line-height:1;margin:0;color:var(--navy)}
.topbar p{margin:10px 0 0;color:var(--muted)}
.top-actions{display:flex;align-items:center;gap:12px}
.top-actions span{padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#63738f;font-weight:800}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stats article,.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 16px 42px rgba(26,65,119,.07)}
.stats article{padding:22px}
.stats span{display:block;color:var(--muted);font-weight:800}
.stats strong{display:block;font-size:32px;color:var(--navy);margin:10px 0}
.stats small{color:var(--green);font-weight:800}
.grid{display:grid;grid-template-columns:1fr 390px;gap:18px}
.panel{padding:22px}
.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-title h2{margin:0;color:var(--navy);font-size:22px}
.panel-title button{padding:10px 14px;box-shadow:none}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:14px 10px;border-bottom:1px solid var(--line);font-size:14px}
th{color:#7888a4;text-transform:uppercase;letter-spacing:.04em;font-size:12px}
.empty{color:var(--muted);text-align:center;padding:42px 10px}
.email-preview{border:1px solid var(--line);border-radius:18px;padding:24px;background:linear-gradient(135deg,#fff,#eef7ff);min-height:230px}
.email-preview img{width:170px}
.email-preview h3{font-size:26px;color:var(--navy);margin:22px 0 8px}
.email-preview p{color:var(--muted)}
.email-preview span{display:inline-block;margin-top:12px;background:var(--blue);color:#fff;border-radius:10px;padding:10px 14px;font-weight:900}
.delivery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.delivery-grid div{background:#f7fbff;border:1px solid var(--line);border-radius:16px;padding:16px}
.delivery-grid span{display:block;color:var(--muted);font-weight:800;margin-bottom:7px}
.delivery-grid strong{color:var(--navy);word-break:break-word}
.sender-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.sender-list li{padding:12px 13px;border-radius:14px;background:#f4f9ff;color:#15315f;font-weight:850}
.muted{color:var(--muted)}
footer{color:var(--muted);padding:24px 0}
@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.topbar{align-items:flex-start;gap:16px;flex-direction:column}}

/* Fix login: logo centrato nel box */
.login-logo{
  margin:0 auto 24px!important;
}
.login-card{
  text-align:center;
}
.login-card form,
.login-card label,
.login-card input{
  text-align:left;
}
.login-card button{
  text-align:center;
}