:root {
    --bg: #0f2e40;
    --accent: #235e6e;
    --sheet-border: 2px solid #000;

    --clr-chiaro: #84c1c6;
    --clr-medio: #235e6e;
    --clr-scuro: #0f2e40;
    --clr-scurissimo: rgb(10, 28, 39);
}

/* base */
* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
    background: var(--bg);
    color: #eeeeee;
    -webkit-font-smoothing: antialiased;
    padding: 8px;
    display: flex;
    justify-content: center;
}

.app {
    width: 100%;
    /* max-width: 520px; */
    max-width: 920px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* header */
.app__header {
    display: flex;
    justify-content: space-between;
    align-items: center
}

.app__title {
    font-size: 1.3rem;
    margin: 0
}

.back-button {
    color: var(--clr-chiaro);
    text-decoration: none;
}

.status {
    color: var(--clr-chiaro);
    font-size: 0.95rem
}

/* Stili bottoni */
.controls {
    display: flex;
    gap: 50px;
    align-items: center;
    padding: 6px;
    justify-content: center;
}

.submit-button {
    width: 110px;
    height: 35px;
    background: var(--accent);
    color: white;
    border: none;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer
}

.restart-button {
    width: 110px;
    height: 35px;
    background: transparent;
    color: var(--clr-chiaro);
    border: 1px solid var(--clr-chiaro);
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer
}

/* finestra modale per Ricomincia e Fine partita */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
}

.modal.hidden {
    display: none;
}

.modal__content {
    background: var(--accent);
    color: #eeeeee;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    max-width: 300px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.modal__content h2 {
    margin-top: 0;
}

.modal__content button {
    margin: 0.5rem;
}

#modal-buttons button {
    margin: 0.5rem;
    min-width: 50px;
    background: #0f2e40;
    color: var(--clr-chiaro);
    border: 1px solid var(--clr-chiaro);
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer
}

/* Stili per il contenitore del regolamento */
.regolamento-container {
    max-height: 100%;
    /* Altezza massima visibile */
    overflow: hidden;
    transition: max-height 0.5s ease-out;
    padding: 0 30px;
    /* margin-bottom: 10px; */
}

/* Nasconde il regolamento */
.regolamento-container.hidden {
    max-height: 0;
    padding: 0 30px;
    margin: 0;
}

.regolamento-toggle {
    text-align: center;
    font-size: 0.9em;
    color: var(--clr-chiaro);
    cursor: pointer;
    /* margin-bottom: 10px; */
    user-select: none;
    /* Impedisce la selezione del testo */
}

.regolamento p,
li {
    font-size: 14px;
    margin: 0;
}

/* ------------ */
/* Campo Minato */
/* ------------ */
.minesweeper-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* height: 100%; */
    /* Occupa l'altezza della modale */
    padding: 10px;
    box-sizing: border-box;
}

.minesweeper-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 400px;
    /* Larghezza massima per la griglia */
    margin-bottom: 10px;
    background-color: #333;
    color: white;
    padding: 10px;
    border-radius: 5px;
}

.minesweeper-grid {
    display: grid;
    background-color: #aaa;
    border: 3px solid #666;
}

.minesweeper-cell {
    width: 30px;
    /* Dimensione base della cella */
    height: 30px;
    background-color: #666;
    /* background-color:  #ccc; */
    border: 1px solid #999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2em;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.1s ease;
}

.minesweeper-cell:hover:not(.revealed):not(.flagged):not(.mine) {
    background-color: #bbb;
}

.minesweeper-cell.revealed {
    background-color: #ddd;
    border: 1px solid #bbb;
    cursor: default;
}

.minesweeper-cell.mine {
    background-color: #ff4d4d;
    /* Rosso per le mine */
    color: white;
}

.minesweeper-cell.flagged {
    background-color: #4CAF50;
    /* Verde per le bandierine */
    color: white;
    font-size: 0.8em;
}

/* Colori dei numeri */
.minesweeper-cell.num-1 {
    color: blue;
}

.minesweeper-cell.num-2 {
    color: green;
}

.minesweeper-cell.num-3 {
    color: red;
}

.minesweeper-cell.num-4 {
    color: darkblue;
}

.minesweeper-cell.num-5 {
    color: darkred;
}

.minesweeper-cell.num-6 {
    color: teal;
}

.minesweeper-cell.num-7 {
    color: black;
}

.minesweeper-cell.num-8 {
    color: gray;
}

.minesweeper-controls {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.minesweeper-status {
    margin-top: 15px;
    font-size: 1.3em;
    font-weight: bold;
    color: #333;
}

/* Pannello di vittoria/sconfitta per Campo Minato */
.minesweeper-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    text-align: center;
    background-color: #f0f0f0;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    min-width: 280px;
}

.minesweeper-panel h4 {
    margin-bottom: 10px;
    color: #333;
    font-size: 1.8em;
}

.minesweeper-panel p {
    font-size: 1.1em;
    color: #555;
}

.minesweeper-difficulty-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.minesweeper-difficulty-selector button {
    padding: 10px 15px;
    font-size: 1em;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: var(--clr-medio);
    color: white;
    transition: background-color 0.2s;
}

.minesweeper-difficulty-selector button:hover {
    background-color: var(--clr-chiaro);
}

.minesweeper-difficulty-selector button.selected {
    background-color: var(--clr-scuro);
    border: 1px solid var(--clr-chiaro);
    font-weight: bold;
}

/* ------------------------------------- */
/* Media Queries per schermi più piccoli */
/* ------------------------------------- */
@media (max-width: 600px) {

    .app__header {
        padding: 0 10px 0 10px;
    }

    /* .minesweeper-cell {
        width: 25px;
        height: 25px;
        font-size: 1em;
    } */

    .minesweeper-header {
        max-width: none;
        width: 100%;
    }

    .minesweeper-controls button {
        padding: 8px 12px;
        font-size: 0.9em;
    }

    .minesweeper-status {
        font-size: 1.1em;
    }

    .regolamento-container {
        padding: 0 10px;
    }

    /* Nasconde il regolamento */
    .regolamento-container.hidden {
        padding: 0 10px;
    }
}