body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #1e293b;
    font-family: Arial, sans-serif;
    color: #e2e8f0;
}
.card {
    width: 100%;
    max-width: 400px;
    background: #0b1220;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
}
h1 {
    margin-bottom: 20px;
    margin-top: 5px;
    font-size: 24px;
    text-align: center;
}
.subtitle {
    text-align: center;
    margin-bottom: 20px;
    color: #94a3b8;
    font-size: 14px;
}
.field {
    margin-bottom: 15px;
}
label {
    display: block;
    font-size: 13px;
    margin-bottom: 10px;
    color: #94a3b8;
}
input[type="text"],
input[type="password"] {
    width: 93%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #64748b;
    background: #0b1220;
    color: #e2e8f0;
    outline: none;
}
input:focus {
    border-color: #8b1e5b;
    /* box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25); */
    box-shadow: #8b1e5b;
}
.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #94a3b8;
}
.btn {
    width: 100%;
    padding: 12px;
    background: #8b1e5b;
    color: white;
    font-weight: bold;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    margin-top: 10px;
    margin-bottom: 20px;
}
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}
.error {
    background: #ef4444;
    color: #fff;
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 13px;
}
a {
    color: #3b82f6;
    font-size: 13px;
    text-decoration: none;
}
.row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}