/* style.css – DARK THEME + BACKGROUND + GLASS EFFECT */

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

/* Palette colori */
:root {
    --bg-page:      #1B1F3A;
    --bg-card:      #232743;
    --bg-input:     #2A2F4A;
    --border-input: #3B3F5C;
    --text-primary: #E5E9F0;
    --text-secondary: #A5A8C5;
    --blue-accent:  #4A76D9;
    --blue-hover:   #3B5FAA;
    --footer-bg:    #232743;
}

/* Pagina e font */
html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    background: 
        linear-gradient(rgba(27, 31, 58, 0.45), rgba(27, 31, 58, 0.45)), 
        url('background.webp');
    background-size: cover;
    background-position: center;
    color: var(--text-primary);
}

/* Centra la card */
body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-bottom: 4rem;
}

/* Card principale con effetto glass */
.container {
    width: 100%;
    max-width: 500px;
    background: rgba(35, 39, 67, 0.4);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    padding: 2rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Titolo */
h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    color: var(--text-primary);
}

/* Textarea opaca */
textarea {
    width: 100%;
    height: 360px;
    padding: 1rem;
    font-size: 1rem;
    line-height: 1.4;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-input);
    border-radius: 4px;
    resize: vertical;
    overflow: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 1.5rem;
}

/* Bottoni */
button {
    display: inline-block;
    padding: .75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    background: var(--blue-accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background .15s ease;
    text-decoration: none;
}
button:hover {
    background: var(--blue-hover);
}

/* Link Box */
.link-box {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-bottom: 1.5rem;
}
.link-box input {
    width: 100%;
    padding: .75rem;
    font-size: 1rem;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-input);
    border-radius: 4px;
}
.link-box button {
    margin-top: 1rem;
    width: auto;
}

/* Bottone principale */
button.generate {
    width: 100%;
    margin-top: 1rem;
}

/* Footer glass */
footer {
    width: 100%;
    padding: 1rem 0;
    position: fixed;
    bottom: 0;
    left: 0;
    text-align: center;
    background: rgba(35, 39, 67, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
footer .footer-content {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    font-size: .9rem;
    color: var(--text-secondary);
}
footer a {
    color: #FFFFFF;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}

/* Responsive mobile */
@media (max-width: 400px) {
    .container {
        padding: 1.5rem 1rem;
    }
    h1 {
        font-size: 1.5rem;
    }
    textarea {
        height: 280px;
    }
    .actions {
        text-align: center;
        margin-top: 1rem;
    }
    .actions button {
        display: block;
        margin: 0 auto;
    }
}