/* Minesweeper - Responsive Dark Theme */

::-webkit-scrollbar {
    width: 8px;
    background-color: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: linear-gradient(180deg, #0f3460 0%, #16213e 100%);
}

body.dark {
    background: #000000;
    background-attachment: fixed;
    text-align: center;
    min-height: 100vh;
    color: #eaeaea;
    padding: 0;
    margin: 0;
}

/* Game Container */
.game {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 40px 20px;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.game > #controls,
.game > #theBoard {
    margin: 0;
}

/* Game Board */
#theBoard {
    border: 3px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-collapse: separate;
    border-spacing: 4px;
    transition: transform 0.3s ease;
}

#theBoard td {
    padding: 0;
}

/* Cell Buttons */
td button {
    font-size: 22px;
    font-weight: 700;
    width: 50px;
    height: 50px;
    min-width: 44px;
    min-height: 44px;
    border-radius: 8px;
    border: 2px solid rgba(0, 212, 255, 0.4);
    background: linear-gradient(135deg, #2a2a3e 0%, #1a1a2e 100%);
    color: #00d4ff;
    transition: all 0.2s ease;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}

td button:hover {
    background: linear-gradient(135deg, #3a3a4e 0%, #2a2a3e 100%);
    border-color: #00d4ff;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    transform: scale(1.05);
}

td button:active {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 100%);
    transform: scale(0.95);
}

/* Controls Panel */
#controls {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 100%);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    font-size: 22px;
    width: 100%;
    max-width: 500px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Status Display */
#instruct {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 153, 255, 0.2) 100%);
    padding: 20px;
    font-size: 24px;
    font-weight: 700;
    border-radius: 10px;
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    margin: 0 0 20px 0;
    word-wrap: break-word;
}

/* Mark Mines Container */
.mark-mines-container {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #00d4ff;
    margin: 20px 0;
}

.mark-mines-container label {
    margin: 0;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

#markMine {
    width: 24px;
    height: 24px;
    cursor: pointer;
    margin-right: 10px;
    accent-color: #00d4ff;
}

/* Restart Button */
#restart {
    width: 100%;
    max-width: 300px;
    height: 60px;
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    border: none;
    border-radius: 30px;
    color: #fff;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    cursor: pointer;
    touch-action: manipulation;
    margin: 20px auto 0;
    display: block;
}

#restart:hover {
    background: linear-gradient(135deg, #0099ff 0%, #00d4ff 100%);
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.6);
    transform: scale(1.05);
}

#restart:active {
    transform: scale(0.95);
}

hr {
    border: none;
    border-top: 1px solid rgba(0, 212, 255, 0.3);
    margin: 20px 0;
}

/* Responsive Design */

/* Tablets and smaller laptops */
@media (max-width: 1100px) {
    td button {
        font-size: 20px;
        width: 45px;
        height: 45px;
    }
    
    #instruct {
        padding: 15px;
        font-size: 20px;
    }
    
    #restart {
        max-width: 250px;
        height: 50px;
        font-size: 16px;
    }
    
    #controls {
        padding: 25px;
        font-size: 20px;
    }
}

/* Large mobile phones and small tablets */
@media (max-width: 768px) {
    .game {
        padding: 20px 10px;
        gap: 15px;
    }
    
    td button {
        font-size: 18px;
        width: 40px;
        height: 40px;
    }
    
    #theBoard {
        padding: 8px;
        border-spacing: 3px;
    }
    
    #controls {
        font-size: 18px;
        max-width: 100%;
        padding: 20px;
    }
    
    #instruct {
        font-size: 18px;
        padding: 12px;
    }
    
    #restart {
        height: 50px;
        font-size: 16px;
    }
    
    .mark-mines-container {
        font-size: 16px;
    }
}

/* Standard mobile phones */
@media (max-width: 580px) {
    .game {
        padding: 15px 5px;
    }
    
    td button {
        font-size: 16px;
        width: 36px;
        height: 36px;
    }
    
    #theBoard {
        padding: 6px;
        border-spacing: 2px;
        border-width: 2px;
    }
    
    #controls {
        font-size: 16px;
        padding: 15px;
    }
    
    #instruct {
        font-size: 16px;
        padding: 10px;
    }
    
    #restart {
        height: 45px;
        font-size: 14px;
    }
    
    .mark-mines-container {
        font-size: 14px;
    }
    
    #markMine {
        width: 20px;
        height: 20px;
    }
}

/* Very small phones */
@media (max-width: 400px) {
    td button {
        font-size: 14px;
        width: 32px;
        height: 32px;
    }
    
    #theBoard {
        padding: 4px;
        border-spacing: 1px;
    }
    
    #controls {
        font-size: 14px;
        padding: 12px;
    }
    
    #instruct {
        font-size: 14px;
    }
}

/* Landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .game {
        flex-direction: row;
        padding: 10px;
        gap: 10px;
    }
    
    #theBoard {
        max-height: 90vh;
    }
    
    #controls {
        max-width: 350px;
    }
    
    #instruct {
        padding: 8px;
        font-size: 14px;
    }
    
    #restart {
        height: 40px;
        font-size: 14px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    td button {
        border-width: 1.5px;
    }
}

/* Touch device specific */
.is-touch td button {
    /* Ensure minimum touch target size */
    min-width: 44px;
    min-height: 44px;
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes celebrate {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Victory/Defeat animations */
.victory #instruct {
    animation: celebrate 0.5s ease-in-out 3;
}

.defeat #instruct {
    animation: pulse 0.5s ease-in-out 2;
}