* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
}

body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a, #020617);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e5e7eb;
}

.login-card {
    background: #020617;
    border: 1px solid #1e293b;
    border-radius: 14px;
    width: 100%;
    max-width: 380px;
    padding: 32px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.login-card h1 {
    margin: 0 0 6px;
    font-size: 1.6rem;
    font-weight: 600;
}

.login-card p {
    margin: 0 0 24px;
    font-size: 0.9rem;
    color: #94a3b8;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: #cbd5f5;
}

input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid #1e293b;
    background: #020617;
    color: #e5e7eb;
    font-size: 0.95rem;
}

input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 2px rgba(99,102,241,0.25);
}

.login-btn {
    width: 100%;
    margin-top: 12px;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}

.login-btn:hover {
    opacity: 0.95;
}

.footer-links {
    margin-top: 18px;
    text-align: center;
    font-size: 0.85rem;
}

.footer-links a {
    color: #6366f1;
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

.form-error {
    margin: 12px 0 18px;
    padding: 10px 12px;

    font-size: 0.85rem;
    line-height: 1.4;

    color: #ff5757;                     /* testo */
    background: rgba(239, 68, 68, 0.12); /* rosso soft */
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: 8px;
}