:root {
    --bg-color: #0D1117;
    --panel-bg: #161B22;
    --text-primary: #C9D1D9;
    --text-muted: #8B949E;
    --accent-color: hsl(var(--destiny-hue, 210), 100%, 60%);
    --destiny-hue: 210; /* Verrà sovrascritto da JS */
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --font-sans: 'Inter', -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 2rem 1rem 1rem;
    border-bottom: 1px solid #30363D;
}

h1 {
    font-family: var(--font-mono);
    font-weight: 700;
    letter-spacing: -1px;
    margin: 0;
    background: linear-gradient(90deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: background 0.5s ease;
}

/* Master Toggle */
.master-toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
    font-family: var(--font-mono);
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input { 
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #30363D;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: var(--text-primary);
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Tooltip estetica */
.tooltip-container {
    position: relative;
    display: inline-block;
}

.tooltip-container:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: #000;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.5rem;
    border: 1px solid #30363D;
    border-radius: 4px;
    white-space: nowrap;
    z-index: 10;
}

/* Controlli Input */
.controls-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-family: var(--font-mono);
}

label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

input[type="text"], input[type="number"] {
    background: var(--panel-bg);
    border: 1px solid #30363D;
    color: var(--accent-color);
    padding: 0.8rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    border-radius: 6px;
    transition: border-color 0.3s ease, color 0.3s ease;
}

input[type="text"]:focus, input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-color);
}

input[readonly] {
    color: var(--text-muted);
    border-style: dashed;
}

.row-group {
    display: flex;
    gap: 1rem;
}

.row-group .input-group {
    flex: 1;
}

.btn {
    background: var(--panel-bg);
    border: 1px solid #30363D;
    color: var(--text-primary);
    padding: 0.8rem 1.5rem;
    font-family: var(--font-mono);
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #30363D;
    border-color: var(--text-muted);
}

.btn-primary {
    background: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 1rem;
}

.btn-primary:hover {
    background: var(--accent-color);
    color: #000;
}

/* Area Risultati */
.results-wrapper {
    flex: 1;
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.results {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 800px;
}

.align-center { align-items: center; }
.align-left { align-items: flex-start; }
.align-staggered .sequence-row:nth-child(even) { margin-left: 3rem; }
.align-staggered .sequence-row:nth-child(odd) { margin-right: 3rem; }

.sequence-row {
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s forwards;
}

@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

/* Stacca leggermente l'ultimo numero (il +1) nelle giocate da 7 */
.sequence-row .number-ball:nth-child(7) {
    margin-left: 1.5rem;
}

.number-ball {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: hsla(var(--destiny-hue, 210), 60%, 40%, 0.15); /* Colore tenue basato sulla hue deterministica */
    border: 1px solid var(--accent-color);
    font-family: var(--font-sans); /* Usiamo il sans per una maggiore eleganza e leggibilità sui numeri grandi */
    font-size: 1.6rem;
    font-weight: 800; /* Extra bold */
    color: #FFFFFF; /* Testo bianco puro per massimo contrasto */
    box-shadow: 0 4px 10px rgba(0,0,0,0.4), inset 0 0 10px hsla(var(--destiny-hue, 210), 100%, 60%, 0.1);
    backdrop-filter: blur(6px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.number-ball:hover {
    transform: scale(1.15) translateY(-5px);
    background: hsla(var(--destiny-hue, 210), 80%, 50%, 0.8);
    color: #fff;
    box-shadow: 0 8px 15px rgba(0,0,0,0.5), 0 0 20px var(--accent-color);
}

/* Forme generate dal Fato */
.shape-circle {
    border-radius: 50%;
}

.shape-rounded {
    border-radius: 12px;
}

.shape-square {
    border-radius: 2px;
}

.shape-diamond {
    border-radius: 8px;
    transform: rotate(45deg);
}

.shape-diamond span {
    transform: rotate(-45deg); /* Contro-ruota il testo per mantenerlo dritto */
    display: block;
}

.shape-diamond:hover {
    transform: scale(1.15) translateY(-5px) rotate(45deg);
}

.zero-ball {
    border-color: #30363D;
    color: var(--text-muted); /* Colore più chiaro per visibilità */
    background: rgba(255, 255, 255, 0.05);
    text-shadow: 0 0 5px rgba(255,255,255,0.2);
    box-shadow: none;
}
.zero-ball:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #8B949E;
    transform: none;
    box-shadow: none;
}

/* Console Log */
.console-wrapper {
    background: #010409;
    border-top: 1px solid #30363D;
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-align: center; /* Giustifica al centro per ridurre l'eye movement */
    color: var(--accent-color);
    height: 120px;
    overflow-y: auto;
}

/* Info Section (Implementation Plan) */
.info-section {
    position: relative;
    background: var(--panel-bg);
    padding: 3.5rem 2rem 2rem 2rem; /* Aumentata l'interlinea superiore per staccare dal bottone X */
    margin: 2rem auto;
    max-width: 800px;
    border-radius: 8px;
    border: 1px solid #30363D;
    display: none;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px; /* Spostato a destra come richiesto */
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
}

.close-btn:hover {
    color: var(--accent-color);
    transform: scale(1.2);
}
.info-section.visible {
    display: block;
    animation: fadeIn 0.5s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Markdown Styles inside Info Section */
.info-section h1, .info-section h2, .info-section h3 {
    font-family: var(--font-mono);
    color: var(--accent-color);
    margin-top: 0;
}
.info-section p, .info-section li {
    line-height: 1.6;
}

footer {
    text-align: center;
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-muted);
    border-top: 1px solid #30363D;
    margin-top: auto;
}
footer a {
    color: var(--accent-color);
    text-decoration: none;
    cursor: pointer;
}
footer a:hover {
    text-decoration: underline;
}

/* =========================================
   Responsive Design & Adattamenti Mobile
   ========================================= */
@media (max-width: 600px) {
    /* Stack verticalmente i campi Sequenze e Sestine */
    .row-group {
        flex-direction: column;
    }
    
    /* Riduce leggermente i margini generali */
    .controls-container {
        padding: 1.5rem 1rem;
    }
    
    .info-section {
        margin: 1rem;
        padding: 3.5rem 1rem 1rem 1rem;
    }
}

@media (max-width: 420px) {
    /* Adatta le palline per schermi molto stretti per evitare overflow delle giocate 6+1 (7 palline) */
    .number-ball {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
    
    /* Riduce l'effetto scacchiera che potrebbe spingere fuori campo le righe */
    .align-staggered .sequence-row:nth-child(even) { margin-left: 1rem; }
    .align-staggered .sequence-row:nth-child(odd) { margin-right: 1rem; }
    
    /* Ridimensiona il titolo principale */
    h1 {
        font-size: 1.6rem;
    }
    
    /* Rende il gap tra i numeri leggermente più stretto */
    .sequence-row {
        gap: 0.3rem;
    }
    
    .sequence-row .number-ball:nth-child(7) {
        margin-left: 0.8rem;
    }
    
    /* Pulsante di rigenerazione più compatto */
    #btn-regenerate {
        padding: 0.8rem 1rem;
    }
}