:root {
    /* Fargepalett */
    --primary-color: #4CAF50; /* Grønn */
    --primary-dark: #388E3C;
    --secondary-color: #FFC107; /* Gul */
    --text-color: #333;
    --light-gray: #f5f5f5;
    --medium-gray: #ccc;
    --dark-gray: #888;
    --revealed-bg: #e0e0e0;

    /* Font-størrelser */
    --base-font-size: 16px;
    --cell-font-min: 1.2rem; /* Minimum størrelse for tall i ruter */
    --cell-font-max: 1.8rem; /* Maksimal størrelse for tall i ruter */
    --icon-size-min: 1.2rem;
    --icon-size-max: 1.8rem;
}

body {
    font-family: 'Roboto', sans-serif; /* Bruker Roboto */
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--light-gray); /* LYS BAKGRUNN */
    color: var(--text-color);
    margin: 0;
    padding: 10px;
    box-sizing: border-box;
    min-height: 100vh; /* Sikrer at body fyller hele høyden */
}

.game-container {
    width: 100%;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff; /* Hvit bakgrunn for container */
    padding: 20px;
    border-radius: 12px; /* Mykere kanter */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1); /* Subtil skygge */
}

h1 {
    text-align: center;
    color: var(--primary-dark);
    margin-bottom: 25px;
    font-weight: 700; /* Tykkere tittel */
}

/* Felles styling for alle knapper */
button {
    padding: 10px 15px;
    font-size: 1em;
    font-weight: bold;
    border: none; /* Fjernet kantlinje */
    border-radius: 8px; /* Avrundede kanter */
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease; /* Jevnere overganger */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); /* Liten skygge på knapper */
}

button:hover {
    transform: translateY(-1px); /* Liten "løft" effekt */
}

button:active {
    transform: translateY(0); /* Tilbake til normal */
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.difficulty-controls {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap; 
    justify-content: center;
    gap: 12px; /* Mer avstand mellom knapper */
}

.difficulty-button { /* Ny klasse for vanskelighetsknapper */
    background-color: var(--medium-gray);
    color: var(--text-color);
}

.difficulty-button:hover {
    background-color: var(--dark-gray);
    color: #fff;
}


.status-bar {
    display: flex;
    justify-content: space-between;
    width: 100%; 
    margin-bottom: 15px;
    font-size: 1.1em;
    align-items: center;
    background-color: var(--light-gray);
    padding: 10px 15px;
    border-radius: 8px;
}

#mines-count, #timer {
    font-weight: bold;
    color: var(--primary-dark);
    font-size: 1.2em; /* Større tall i statuslinjen */
}

.action-button { /* Klasse for Start på nytt og Modus-knapp */
    background-color: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
}

.action-button:hover {
    background-color: var(--primary-dark);
}

.mobile-controls {
    width: 100%;
    margin-bottom: 15px;
}

#mode-toggle {
    width: 100%;
    background-color: var(--secondary-color); /* Gul bakgrunn for modus */
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px; /* Mellom ikon og tekst */
}

#mode-toggle i { /* Styler Font Awesome ikoner i knappen */
    font-size: 1.2em;
}

#mode-toggle.flag-mode {
    background-color: var(--primary-color); /* Grønn når i flagg-modus */
    color: #fff;
}

#game-board {
    display: grid;
    /* Fjernet 'border' */
    
    background-color: var(--dark-gray); /* Dette er nå fargen på ALLE linjer */
    gap: 1px; /* Linjer mellom rutene */
    
    /* 'padding' lager den ytre linjen */
    padding: 1px; 
    
    margin-bottom: 25px;
    width: 100%; 
    border-radius: 8px;
    overflow: hidden; 
}


.cell {
    width: 100%; 
    aspect-ratio: 1 / 1; 
    background-color: var(--medium-gray); /* Fargen på uåpnet rute */
    
    /* Ingen border her */
    
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: clamp(var(--cell-font-min), 3.5vw, var(--cell-font-max)); 
    font-weight: bold;
    cursor: pointer;
    user-select: none; 
    transition: background-color 0.1s ease; 
    
    /* *** DENNE LINJEN ER FIKSEN *** */
    transform: translateZ(0);
}

.cell.revealed {
    background-color: var(--revealed-bg);
    
    /* Ingen border her */
}

.cell.mine {
    background-color: #ff5e5e; /* Mer intens rød for mine */
    color: #fff; /* Hvit bombe-ikon */
}

/* Styling for Font Awesome ikoner i celler */
.cell i {
    font-size: clamp(var(--icon-size-min), 4vw, var(--icon-size-max));
}

/* Fargekoder for tallene */
.cell.c1 { color: #0000ff; }
.cell.c2 { color: #008000; }
.cell.c3 { color: #ff0000; }
.cell.c4 { color: #000080; }
.cell.c5 { color: #800000; }
.cell.c6 { color: #008080; }
.cell.c7 { color: #000000; }
.cell.c8 { color: #808080; }

#high-scores {
    width: 100%; 
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray); /* Liten separator */
}

#high-scores h2 {
    color: var(--primary-dark);
    margin-bottom: 15px;
}

#high-scores small {
    font-weight: normal;
    color: var(--dark-gray);
}

#high-scores-list {
    list-style-type: none;
    padding: 0;
    font-size: 1.1em;
    line-height: 1.6; /* Bedre linjeavstand */
}

#high-scores-list li {
    background-color: var(--light-gray);
    padding: 8px 15px;
    margin-bottom: 5px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
}