body {
    font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
    background:
        radial-gradient(1100px 520px at 50% -12%, rgba(124, 58, 186, 0.28), transparent 58%),
        radial-gradient(700px 420px at 100% 110%, rgba(76, 29, 120, 0.35), transparent 52%),
        #0b0614;
    color: #eee6f6;
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    direction: ltr;
    text-align: left;
}

body.rtl {
    direction: rtl;
    text-align: right;
}

.login-container {
    background: #140c1c;
    border: 1px solid #3d2458;
    border-radius: 20px;
    padding: 50px 60px;
    box-shadow: 0 24px 80px rgba(20, 0, 40, 0.65);
    width: 420px;
    text-align: center;
}

h1 {
    margin: 0 0 35px;
    font-size: 2.2em;
    color: #f3eafc;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 16px;
    margin: 15px 0 25px;
    border: 1px solid #3d2458;
    border-radius: 12px;
    font-size: 1.2em;
    box-sizing: border-box;
    background: #1a1024;
    color: #eee6f6;
}
input[type="text"]:focus, input[type="password"]:focus {
    outline: 2px solid #ead9a8;
    outline-offset: -2px;
    border-color: #ead9a8;
}

button {
    background: #ead9a8;
    color: #1a160c;
    padding: 16px 40px;
    border: none;
    border-radius: 12px;
    font-size: 1.2em;
    font-weight: 650;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
}

button:hover {
    background: #f3e6bc;
}

.error {
    color: #ff6b6b;
    margin-top: 20px;
    font-size: 1.1em;
}

.field {
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}