* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #e0e0e0;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Typography */
h1, h2 {
    color: #00d4ff;
    margin-bottom: 20px;
    text-align: center;
    /* Opzionale: aggiunge un leggero effetto di glow alle intestazioni */
    /* text-shadow: 0 0 10px rgba(0, 212, 255, 0.5); */
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

h2 {
    font-size: 2rem;
    margin-bottom: 30px;
}

p {
    margin-bottom: 20px;
    text-align: center;
}

/* Links */
a {
    color: #00d4ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0099cc;
    text-decoration: underline;
}

/* Forms */
form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #b0b0b0;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    font-size: 16px;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

input[type="submit"] {
    width: 100%;
    padding: 12px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

input[type="submit"]:hover {
    background: linear-gradient(45deg, #0099cc, #0077aa);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

/* Error Messages */
p[style*="color: red"] {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 20px;
    color: #ff6b6b !important;
}

p[style*="color: green"] {
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid rgba(0, 255, 0, 0.3);
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 20px;
    color: #51cf66 !important;
}

/* Table Styles */
table {
    width: 100%;
    max-width: 800px;
    margin: 20px auto;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

thead {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

th {
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

td {
    color: #e0e0e0;
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    form {
        padding: 20px;
        max-width: 100%;
    }

    table {
        font-size: 14px;
    }

    th, td {
        padding: 10px;
    }
}