@font-face {
    font-family: 'Vazir';
    src: url('../fonts/Vazir.ttf');
    font-weight: normal;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    display: grid;
    place-items: center;
    padding: 24px;
    font-family: 'Vazir', Tahoma, sans-serif;
    background: linear-gradient(135deg, #312e81, #6d28d9);
    color: #111827;
}

.login-card {
    width: min(100%, 420px);
    padding: 32px;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 22px 60px rgba(0, 0, 0, .28);
}

h1 { margin: 0 0 8px; font-size: 25px; }
.subtitle, .hint { color: #6b7280; }
.subtitle { margin: 0 0 24px; }
.hint { margin: 20px 0 0; font-size: 13px; line-height: 1.8; }

form { display: grid; gap: 10px; }
label { margin-top: 7px; font-weight: bold; }
input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 9px;
    font: inherit;
}
input:focus { outline: 3px solid rgba(79, 70, 229, .18); border-color: #4f46e5; }
button {
    margin-top: 14px;
    padding: 12px;
    border: 0;
    border-radius: 9px;
    background: #4f46e5;
    color: #fff;
    font: bold 16px 'Vazir', sans-serif;
    cursor: pointer;
}
button:hover { background: #4338ca; }
.alert { padding: 10px 12px; margin-bottom: 14px; border-radius: 8px; background: #fee2e2; color: #991b1b; }