/* Samband (F2): stile del gioco. Mobile-first, pubblico 55+: font generosi,
   contrasto alto, tap target 48px+, animazioni solo transform/opacity (60fps).
   Palette propria (non NYT): giallo/verde/blu/lila. */

.cn-page {
    max-width: 520px;
    margin: 0 auto;
    padding: 12px 12px 32px;
}

.cn-header {
    text-align: center;
    margin: 8px 0 4px;
}

.cn-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin: 0;
}

.cn-tagline {
    font-size: 16px;
    color: #555;
    margin: 4px 0 0;
}

.cn-archive-note {
    font-size: 15px;
    color: #555;
    margin: 8px 0 0;
}

/* --- Banner sfida (arrivo da link share) --- */
.cn-challenge-banner {
    background: #f3ecfa;
    border: 2px solid #b07fc7;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 16px;
    text-align: center;
    margin: 12px 0;
}

/* --- Toolbar: errori rimasti + guida --- */
.cn-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 14px 0 10px;
    min-height: 28px;
}

.cn-mistakes {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: #444;
}

.cn-mistakes__dots {
    display: inline-flex;
    gap: 6px;
}

.cn-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #5a5a5a;
    transition: transform 0.3s ease, background 0.3s ease;
}

.cn-dot--lost {
    background: #d9d9d9;
    transform: scale(0.7);
}

.cn-help-link {
    font-size: 15px;
    color: #2a6ebb;
    text-decoration: underline;
    padding: 8px 0 8px 12px; /* tap target */
}

/* --- Board --- */
.cn-board {
    position: relative;
}

.cn-solved {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 8px;
}

.cn-band {
    border-radius: 10px;
    padding: 12px 10px;
    text-align: center;
    color: #1c1c1c;
    animation: cn-band-in 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

.cn-band__title {
    font-size: 16px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin: 0 0 2px;
}

.cn-band__words {
    font-size: 15px;
    font-weight: 500;
    margin: 0;
}

@keyframes cn-band-in {
    0% { transform: scale(0.6); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Palette livelli (0 = lattast ... 3 = klurigast) */
.cn-level-0 { background: #f6d955; }
.cn-level-1 { background: #9fc97e; }
.cn-level-2 { background: #8fb8e8; }
.cn-level-3 { background: #c39ad6; }

.cn-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.cn-tile {
    position: relative;
    min-height: 72px;
    border: 0;
    border-radius: 10px;
    background: #eee5da;
    color: #1c1c1c;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 15px;
    line-height: 1.15;
    padding: 4px 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    word-break: break-word;
    hyphens: auto;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
    transition: transform 0.12s ease, background 0.15s ease, color 0.15s ease;
}

.cn-tile:active {
    transform: scale(0.95);
}

.cn-tile--selected {
    background: #4a4540;
    color: #fff;
}

/* Parole lunghe: il JS assegna la classe in base alla lunghezza */
.cn-tile--len-m { font-size: 13px; }
.cn-tile--len-l { font-size: 12px; letter-spacing: -0.2px; }
.cn-tile--len-xl { font-size: 11px; letter-spacing: -0.3px; }

/* Salto celebrativo prima della risoluzione del gruppo (staggered dal JS) */
.cn-tile--jump {
    animation: cn-jump 0.42s cubic-bezier(0.28, 0.9, 0.4, 1.1);
}

@keyframes cn-jump {
    0% { transform: translateY(0); }
    38% { transform: translateY(-12px); }
    100% { transform: translateY(0); }
}

/* Shake su tentativo sbagliato */
.cn-tile--shake {
    animation: cn-shake 0.45s ease;
}

@keyframes cn-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* Dissolvenza delle tile che diventano banda */
.cn-tile--solving {
    animation: cn-solve-out 0.35s ease forwards;
}

@keyframes cn-solve-out {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.75); opacity: 0; }
}

/* --- Skeleton di caricamento --- */
.cn-loading__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.cn-loading__tile {
    min-height: 72px;
    border-radius: 10px;
    background: linear-gradient(100deg, #efe9e1 40%, #f7f3ec 50%, #efe9e1 60%);
    background-size: 200% 100%;
    animation: cn-shimmer 1.3s infinite linear;
}

@keyframes cn-shimmer {
    0% { background-position: 120% 0; }
    100% { background-position: -80% 0; }
}

/* --- Toast (one away, errori, copiato) --- */
.cn-toast {
    position: fixed;
    left: 50%;
    bottom: 88px;
    transform: translateX(-50%);
    background: #1c1c1c;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 24px;
    z-index: 900;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
    max-width: 90vw;
    text-align: center;
}

.cn-toast--visible {
    opacity: 1;
}

/* --- Azioni --- */
.cn-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin: 16px 0 4px;
}

/* l'attributo hidden deve vincere sul display:flex */
.cn-actions[hidden] {
    display: none;
}

.cn-btn {
    min-height: 48px;
    padding: 10px 18px;
    border-radius: 24px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.12s ease, opacity 0.15s ease, background 0.15s ease;
}

.cn-btn:active {
    transform: scale(0.96);
}

.cn-btn--ghost {
    background: #fff;
    border: 2px solid #4a4540;
    color: #1c1c1c;
}

.cn-btn--primary {
    background: #1c1c1c;
    border: 2px solid #1c1c1c;
    color: #fff;
    min-width: 110px;
}

.cn-btn:disabled {
    opacity: 0.35;
    cursor: default;
    transform: none;
}

/* --- Pannello risultato --- */
.cn-result {
    margin-top: 20px;
    border: 2px solid #e3dcd2;
    border-radius: 14px;
    padding: 18px 16px 16px;
    text-align: center;
    animation: cn-result-in 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.1);
}

@keyframes cn-result-in {
    0% { transform: translateY(24px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

.cn-result__title {
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 2px;
}

.cn-result__sub {
    font-size: 16px;
    color: #555;
    margin: 0 0 12px;
}

.cn-squares {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    margin: 4px auto 12px;
}

.cn-squares__row {
    display: flex;
    gap: 4px;
    justify-content: center;
}

.cn-square {
    width: 26px;
    height: 26px;
    border-radius: 6px;
}

.cn-result__stats {
    display: flex;
    justify-content: center;
    gap: 22px;
    margin: 8px 0 14px;
}

.cn-stat {
    text-align: center;
}

.cn-stat__value {
    font-size: 26px;
    font-weight: 800;
    display: block;
}

.cn-stat__label {
    font-size: 13px;
    color: #666;
}

.cn-grace-note {
    font-size: 14px;
    color: #666;
    margin: -6px 0 12px;
}

.cn-result__share {
    width: 100%;
    max-width: 320px;
    margin: 0 auto 10px;
    display: block;
}

.cn-countdown {
    font-size: 15px;
    color: #555;
    margin: 8px 0 0;
}

.cn-countdown strong {
    font-variant-numeric: tabular-nums;
}

/* Confronto sfida amico */
.cn-compare {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin: 10px 0 14px;
}

.cn-compare__col {
    text-align: center;
}

.cn-compare__label {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
    display: block;
}

/* --- Feedback 1-tap --- */
.cn-feedback {
    border-top: 1px solid #e3dcd2;
    margin-top: 14px;
    padding-top: 14px;
}

.cn-feedback__title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 10px;
}

.cn-feedback__options {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.cn-feedback__btn {
    min-height: 48px;
    padding: 8px 14px;
    border-radius: 22px;
    border: 2px solid #c9c1b6;
    background: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.cn-feedback__btn--chosen {
    background: #1c1c1c;
    border-color: #1c1c1c;
    color: #fff;
}

.cn-feedback__thanks {
    font-size: 15px;
    color: #2e7d32;
    margin: 10px 0 0;
}

.cn-feedback__text {
    margin-top: 10px;
}

.cn-feedback__textarea {
    width: 100%;
    min-height: 64px;
    border: 2px solid #c9c1b6;
    border-radius: 10px;
    padding: 10px;
    font-size: 15px;
    font-family: inherit;
    box-sizing: border-box;
}

.cn-optin {
    border-top: 1px solid #e3dcd2;
    margin-top: 14px;
    padding-top: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.cn-optin__text {
    font-size: 15px;
    color: #444;
}

.cn-report-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
    color: #888;
    text-decoration: underline;
    padding: 6px;
}

.cn-login-nudge {
    font-size: 14px;
    color: #666;
    margin: 10px 0 0;
}

.cn-login-nudge a {
    color: #2a6ebb;
}

/* --- Varie --- */
.cn-ad-slot {
    margin: 20px 0 8px;
}

.cn-footer-links {
    text-align: center;
    font-size: 15px;
    margin-top: 16px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.cn-footer-links a {
    color: #2a6ebb;
    padding: 8px 4px; /* tap target */
}

.cn-error {
    text-align: center;
    font-size: 16px;
    color: #555;
    padding: 24px 0;
}

/* --- Archivio --- */
.cn-archive-list {
    list-style: none;
    padding: 0;
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cn-archive-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 2px solid #e3dcd2;
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 17px;
    font-weight: 600;
    color: #1c1c1c;
    text-decoration: none;
    min-height: 48px;
    box-sizing: border-box;
}

.cn-archive-item a:active {
    background: #f7f3ec;
}

.cn-archive-item__status {
    font-size: 15px;
    color: #2e7d32;
    font-weight: 700;
}

/* --- Guida --- */
.cn-guide {
    font-size: 17px;
    line-height: 1.55;
}

.cn-guide h2 {
    font-size: 20px;
    margin: 26px 0 8px;
}

.cn-guide .cn-band {
    animation: none;
    margin: 10px 0;
}

.cn-guide__demo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin: 10px 0;
}

.cn-guide__demo-tile {
    min-height: 56px;
    border-radius: 8px;
    background: #eee5da;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2px;
}

.cn-guide__demo-tile--selected {
    background: #4a4540;
    color: #fff;
}

.cn-guide .cn-cta {
    display: block;
    text-align: center;
    margin: 28px auto 0;
    max-width: 320px;
    text-decoration: none;
}

/* Schermi piu' larghi: tile piu' alte e font su */
@media (min-width: 480px) {
    .cn-tile { min-height: 80px; font-size: 16px; }
    .cn-tile--len-m { font-size: 14px; }
    .cn-tile--len-l { font-size: 13px; }
    .cn-tile--len-xl { font-size: 12px; }
}

/* Riduzione movimento: niente animazioni per chi lo chiede */
@media (prefers-reduced-motion: reduce) {
    .cn-band, .cn-tile--jump, .cn-tile--shake, .cn-tile--solving,
    .cn-result, .cn-loading__tile {
        animation: none;
    }
    .cn-tile, .cn-btn, .cn-dot {
        transition: none;
    }
}

/* --- Onboarding: overlay prima visita --- */
.cn-onboard {
    position: fixed;
    inset: 0;
    background: rgba(28, 28, 28, 0.55);
    z-index: 950;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.cn-onboard[hidden] {
    display: none;
}

.cn-onboard__panel {
    background: #fff;
    border-radius: 16px;
    padding: 22px 20px 18px;
    max-width: 420px;
    width: 100%;
    max-height: 88vh;
    overflow-y: auto;
    text-align: center;
    animation: cn-result-in 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.1);
}

.cn-onboard__title {
    font-size: 22px;
    font-weight: 800;
    margin: 0 0 10px;
}

.cn-onboard__line {
    font-size: 16px;
    line-height: 1.45;
    color: #333;
    margin: 0 0 8px;
    text-align: left;
}

.cn-onboard__demo {
    margin: 14px 0;
}

.cn-onboard__demo-tiles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.cn-onboard__demo-tile {
    min-height: 44px;
    border-radius: 8px;
    background: #4a4540;
    color: #fff;
    font-weight: 700;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cn-onboard__demo-arrow {
    font-size: 20px;
    color: #888;
    margin: 4px 0;
}

.cn-onboard__demo .cn-band {
    margin: 0;
    padding: 10px;
}

.cn-onboard__play {
    width: 100%;
    max-width: 280px;
    margin: 8px auto 10px;
    display: block;
    font-size: 18px;
    min-height: 52px;
}

.cn-onboard__guide-link {
    font-size: 15px;
    color: #2a6ebb;
    text-decoration: underline;
    display: inline-block;
    padding: 6px;
}

/* --- Coach mark sopra i bottoni --- */
.cn-coach {
    text-align: center;
    font-size: 15px;
    color: #6b5a2e;
    background: #fdf3d7;
    border: 1px solid #f0dfa8;
    border-radius: 10px;
    padding: 9px 12px;
    margin: 12px 0 -6px;
}