:root {
    user-select: none;
    -webkit-user-select: none; /* Safari */
    -moz-user-select: none;    /* Firefox */
    -ms-user-select: none;     /* IE */
    --color-bg: #0f172a;
    --color-surface: rgba(15, 23, 42, 0.7);
    --color-surface-strong: rgba(15, 23, 42, 0.85);
    --color-text: #e2e8f0;
    --color-muted: #94a3b8;
    --color-accent: #3b82f6;
    --color-accent-soft: rgba(59, 130, 246, 0.2);
    --shadow-soft: 0 30px 70px -45px rgba(15, 23, 42, 0.8);
    --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
}

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

html,
body {
    height: 100%;
    font-family: var(--font-sans);
    color: var(--color-text);
}

/* ======== Background statico premium */
body {
    background:
        radial-gradient(circle at 16% 28%, rgba(148, 163, 184, 0.14), transparent 55%),
        radial-gradient(circle at 82% 0%, rgba(96, 165, 250, 0.18), transparent 60%),
        var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

/* ======== Logo piccolo */
.logo {
    width: 72px;
    margin-bottom: 1rem;
    opacity: 0.95;
}

/* ======== Card più bella */
.login-card {
    width: min(430px, 100%);
    padding: 2.8rem 2.8rem 2.5rem;
    border-radius: 1.6rem;
    background: var(--color-surface-strong);
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow:
        var(--shadow-soft),
        0 0 0 1px rgba(15, 23, 42, 0.9) inset;
    text-align: center;
    animation: card 0.35s ease both;
}

/* ======== Titolo cicciotto + leggero glow */
.login-title {
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.login-title span {
    font-weight: 900;
    letter-spacing: 0.18em;
}

/* ======== Subtitle */
.login-subtitle {
    font-size: 1rem;
    color: var(--color-muted);
    margin-bottom: 1.8rem;
}

/* ======== Bottone Discord rework */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.95rem;
    border: none;
    border-radius: 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: 0.18s ease;
}

.btn--discord {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: 0 6px 20px -8px rgba(0,0,0,.35);
    transition: .20s ease;
}

/* Hover: leggero rialzo e border accent */
.btn--discord:hover {
    background: var(--color-surface-strong);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow:
        0 16px 30px -16px var(--color-accent-soft),
        0 0 0 1px rgba(255,255,255,0.05) inset;
}

/* Focus style */
.btn--discord:focus-visible {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* Effetto click: morbido */
.btn--discord:active {
    transform: translateY(0) scale(.97);
    box-shadow:
        0 6px 16px -10px rgba(0,0,0,.45),
        0 0 0 1px rgba(255,255,255,0.04) inset;
    filter: brightness(.94);
}

/* ======== Note */
.login-note {
    margin-top: 1.4rem;
    color: var(--color-muted);
    font-size: 0.85rem;
}

/* ======== Animazione */
@keyframes card {
    from {
        opacity: 0;
        transform: translateY(15px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ======== Mobile */
@media (max-width: 480px) {
    .login-card {
        padding: 2.1rem;
    }

    .logo {
        width: 62px;
    }

    .login-title {
        font-size: 1.5rem;
    }
}