* {
    margin: 0;
    padding: 0;
    user-select: none;
    font-family: 'MS Sans Serif', 'Tahoma', 'Arial', sans-serif;
}

body {
    background-color: #008080; /* Classic Windows teal background */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    padding: 10px;
    box-sizing: border-box;
}

.game-container {
    max-width: 100%;
    max-height: 100vh;
    overflow: auto;
    background-color: #c0c0c0;
    border: 4px outset #d4d0c8;
    padding: 3px;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.game-area {
    max-width: 100%;
    overflow: hidden;
}

/* Windows 9x title bar */
.window-title-bar {
    background-color: #000080; /* Windows blue */
    color: white;
    padding: 5px 6px;
    font-weight: bold;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;

    .title {
        display: flex;
        gap: 4px;
        align-items: center;
    }

    .title img {
        height: 18px;
        transition: scale 10s;
    }

    .title img:hover {
        scale: 1000%;
    }

    .window-controls {
        display: flex;

        .window-button {
            width: 18px;
            height: 16px;
            background-color: #c0c0c0;
            border: 1px outset white;
            margin-left: 2px;
            font-size: 9px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .window-button:first-child, .window-button:last-child {
            color: black;
        }

        .window-button:hover {
            cursor: wait;
        }
    }
}

/* Menu bar styling */
.menu-bar {
    display: flex;
    background-color: #c0c0c0;
    margin-top: 2px;
    border-bottom: 1px solid #808080;
    font-size: 12px;

    .menu-item {
        position: relative;
        padding: 1px 8px;
        cursor: default;
    }

    .menu-item:hover {
        background-color: #000080;
        color: white;
    }

    .menu-item:hover .menu-dropdown {
        display: block;
    }

    .menu-dropdown {
        display: none;
        position: absolute;
        left: 0;
        top: 100%;
        background-color: #c0c0c0;
        border: 2px outset white;
        box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        z-index: 100;
        min-width: 150px;

        .menu-option {
            padding: 4px 14px;
            font-size: 12px;

            .win-badge {
                color: gold;
                font-size: inherit;
                font-weight: bold;
                display: flex;
            }
        }

        .menu-option:hover {
            background-color: #000080;
            color: white;
        }

        .menu-separator {
            height: 1px;
            background-color: #808080;
            margin: 2px 1px;
        }

        .selected::before {
            content: "✓";
            margin-right: 4px;
        }
    }
}

.controls {
    margin-left: 8px;
    padding: 1px 8px;

    #mode-toggle {
        width: 32px;
        height: 18px;
        font-size: 10px;
        background-color: #c0c0c0;
        border: 2px outset white;
        cursor: pointer;
    }

    #mode-toggle:active {
        border: 2px inset #d4d0c8;
    }
}

/* Modal overlay */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;

    /* Modal window */
    .modal-window {
        position: relative;
        font-size: 12px;
        background-color: #c0c0c0;
        border: 3px outset #d4d0c8;
        box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.5);
        min-width: 300px;
        max-width: 80%;
        margin: 5% auto;
    }

    /* Modal title bar */
    .modal-title-icon {
        height: 16px;
        margin-right: 6px;
    }

    .modal-title {
        display: flex;
        align-items: center;
    }

    .modal-close {
        background-color: #c0c0c0;
        color: black;
        border: 1px outset white;
        width: 16px;
        height: 14px;
        font-size: 9px;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
    }

    .modal-close:active {
        border-style: inset;
    }

    /* Modal content */
    .modal-content {
        padding: 12px;
        font-size: 12px;
        overflow-y: auto;
        max-height: 60vh;
    }

    /* Modal buttons */
    .modal-buttons {
        display: flex;
        justify-content: center;
        padding: 8px;
        gap: 10px;
    }

    .modal-button {
        background-color: #c0c0c0;
        border: 2px outset #ffffff;
        padding: 3px 12px;
        font-size: 11px;
        min-width: 70px;
        cursor: pointer;
    }

    .modal-button:active {
        border-style: inset;
    }
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #c0c0c0;
    padding: 6px;
    border: 3px inset #d4d0c8;
    margin: 8px 6px;

    .mine-counter, .timer {
        background-color: black;
        color: #ff0000;
        font-family: 'Digital', 'LCD', monospace;
        font-size: min(28px, 5vw);
        padding: 2px;
        width: min(60px, 18vw);
        height: min(30px, 9vw);
        line-height: min(30px, 9vw);
        text-align: center;
        border: 3px inset #808080;
    }

    #reset-button {
        width: min(40px, 12vw);
        height: min(40px, 12vw);
        font-size: min(28px, 8vw);
        background-color: #c0c0c0;
        border: 3px outset #ffffff;
        cursor: pointer;
    }

    #reset-button:active {
        border: 3px inset #d4d0c8;
    }
}

#game-board {
    max-width: calc(100vw - 30px);
    max-height: calc(100vh - 150px);
    overflow: auto;
    display: grid;
    gap: 0;
    border: 3px inset #d4d0c8;
    margin: 0 6px 6px 6px;
    background-color: #c0c0c0;
    padding: 4px;
}

.cell {
    width: min(30px, 8vw);
    height: min(30px, 8vw);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: min(18px, 5vw);
    border: 3px outset white;
    background-color: #c0c0c0;
    cursor: pointer;
    user-select: none;
}

.cell.revealed {
    border: 3px solid;
    background-color: #c0c0c0;
    border-color: #7b7b7b #ffffff #ffffff #7b7b7b;
}

.cell.select {
    box-shadow: 0 0 0 1px #000080 inset;
}

/* Preserve number colors */
.cell[data-value="1"] { color: blue; }
.cell[data-value="2"] { color: green; }
.cell[data-value="3"] { color: red; }
.cell[data-value="4"] { color: darkblue; }
.cell[data-value="5"] { color: brown; }
.cell[data-value="6"] { color: teal; }
.cell[data-value="7"] { color: black; }
.cell[data-value="8"] { color: gray; }

/* Emoji sizing for mines and flags */
.cell.flagged::before,
.cell.mine::before,
.cell.mine-flagged-correct::before,
.cell.mine-flagged-wrong::before {
    font-size: 16px;
}

.cell.flagged::before {
    content: "🚩";
}

.cell.mine {
    background-color: #c0c0c0;
}

.cell.mine::before {
    content: "💣";
}

/* The mine that was clicked and caused game over */
.cell.mine.triggered {
    background-color: red;
}

/* Correctly flagged mines */
.cell.mine-flagged-correct::before {
    content: "🚩";
}

/* Incorrectly flagged cells - show both flag and X */
.cell.mine-flagged-wrong {
    position: relative;
}

.cell.mine-flagged-wrong::before {
    content: "💣";
}

.cell.mine-flagged-wrong::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(to top right, transparent calc(50% - 1px), red calc(50% - 1px), red calc(50% + 1px), transparent calc(50% + 1px)), linear-gradient(to top left, transparent calc(50% - 1px), red calc(50% - 1px), red calc(50% + 1px), transparent calc(50% + 1px));
}

/* Responsive styles */
@media screen and (max-width: 600px) {
    .cell {
        width: 26px;
        height: 26px;
    }

    .header {
        padding: 4px;
    }

    #reset-button {
        border-width: 2px;
    }
}

@media screen and (max-width: 400px) {
    .cell {
        width: 20px;
        height: 20px;
        font-size: 14px;
        border-width: 2px;
    }

    .window-title-bar .title h1 {
        font-size: 14px;
    }

    .controls #mode-toggle {
        width: 24px;
        height: 16px;
        font-size: 8px;
    }
}