/* Apple Game - Custom Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Game Grid */
.game-grid {
    display: grid;
    grid-template-columns: repeat(17, 1fr);
    grid-template-rows: repeat(10, 1fr);
    gap: 3px;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

/* Individual Apple Cell */
.apple-cell {
    width: 36px;
    height: 36px;
    background: linear-gradient(145deg, #ef5350, #c62828);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    box-shadow: 
        0 4px 6px rgba(0, 0, 0, 0.2),
        inset 0 2px 4px rgba(255, 255, 255, 0.3),
        inset 0 -2px 4px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    position: relative;
}

.apple-cell::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 8px;
    width: 8px;
    height: 5px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: rotate(-30deg);
}

.apple-cell:hover {
    transform: scale(1.05);
    box-shadow: 
        0 6px 12px rgba(0, 0, 0, 0.3),
        inset 0 2px 4px rgba(255, 255, 255, 0.3),
        inset 0 -2px 4px rgba(0, 0, 0, 0.2);
}

/* Selected Apple */
.apple-cell.selected {
    background: linear-gradient(145deg, #66bb6a, #388e3c);
    transform: scale(1.1);
    box-shadow: 
        0 0 15px rgba(76, 175, 80, 0.6),
        inset 0 2px 4px rgba(255, 255, 255, 0.3),
        inset 0 -2px 4px rgba(0, 0, 0, 0.2);
    z-index: 5;
}

/* Empty Cell (apple removed) */
.apple-cell.empty {
    opacity: 0 !important;
    transform: scale(0) !important;
    pointer-events: none;
    transition: none !important;
    visibility: hidden;
}

/* Pop Animation */
.apple-cell.popping {
    animation: popAnimation 0.4s ease-out forwards !important;
    z-index: 10;
    transition: none !important;
    pointer-events: none;
}

@keyframes popAnimation {
    0% {
        transform: scale(1);
        opacity: 1;
        background: linear-gradient(145deg, #ef5350, #c62828);
    }
    30% {
        transform: scale(1.4);
        opacity: 1;
        background: linear-gradient(145deg, #ffeb3b, #ffc107);
    }
    100% {
        transform: scale(0);
        opacity: 0;
        background: linear-gradient(145deg, #ffeb3b, #ffc107);
    }
}

/* Drop/Gravity Animation */
.apple-cell.dropping {
    animation: dropAnimation 0.3s ease-in forwards;
}

@keyframes dropAnimation {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    60% {
        opacity: 1;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* New Apple Spawn Animation */
.apple-cell.spawning {
    animation: spawnAnimation 0.35s ease-out forwards !important;
    transition: none !important;
    visibility: visible !important;
}

@keyframes spawnAnimation {
    0% {
        transform: scale(0) translateY(-20px);
        opacity: 0;
        visibility: visible;
    }
    60% {
        transform: scale(1.15) translateY(0);
        opacity: 1;
    }
    80% {
        transform: scale(0.95) translateY(0);
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
        visibility: visible;
    }
}

/* Selection Box */
.selection-box {
    position: absolute;
    border: 3px solid rgba(59, 130, 246, 0.8);
    background: rgba(59, 130, 246, 0.15);
    border-radius: 8px;
    pointer-events: none;
    z-index: 10;
    transition: none;
}

.selection-box.hidden {
    display: none;
}

/* Valid Selection (sum = 10) */
.selection-box.valid {
    border-color: rgba(34, 197, 94, 0.9);
    background: rgba(34, 197, 94, 0.2);
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
}

/* Invalid Selection (sum != 10) */
.selection-box.invalid {
    border-color: rgba(239, 68, 68, 0.8);
    background: rgba(239, 68, 68, 0.15);
}

/* Timer Bar */
.timer-bar-wrapper {
    position: relative;
}

.timer-bar {
    transition: height 1s linear;
}

.timer-bar.low {
    background: linear-gradient(to top, #ef4444, #f97316) !important;
    animation: timerPulse 0.5s ease-in-out infinite;
}

@keyframes timerPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Game Over Modal Animation */
.animate-modal {
    animation: modalAppear 0.3s ease-out forwards;
}

@keyframes modalAppear {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Score Pop Animation */
.score-pop {
    animation: scorePop 0.3s ease-out;
}

@keyframes scorePop {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* Floating Score Indicator */
.floating-score {
    position: absolute;
    font-weight: bold;
    font-size: 24px;
    color: #22c55e;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    z-index: 20;
    animation: floatUp 1s ease-out forwards;
}

@keyframes floatUp {
    0% {
        transform: translateY(0) scale(0.5);
        opacity: 0;
    }
    20% {
        transform: translateY(-10px) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(-60px) scale(1);
        opacity: 0;
    }
}

/* Sum Display During Selection */
.sum-display {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    white-space: nowrap;
    z-index: 15;
}

.sum-display.valid {
    background: rgba(34, 197, 94, 0.9);
}

.sum-display.invalid {
    background: rgba(239, 68, 68, 0.9);
}

/* Responsive Design */
@media (max-width: 768px) {
    .game-grid {
        gap: 2px;
    }

    .apple-cell {
        width: 28px;
        height: 28px;
        font-size: 13px;
    }

    .apple-cell::before {
        width: 6px;
        height: 4px;
        top: 2px;
        left: 6px;
    }

    .timer-container {
        flex-direction: row !important;
        width: 100%;
        padding: 12px 20px !important;
    }

    .timer-bar-wrapper {
        width: 200px !important;
        height: 20px !important;
    }

    .timer-bar {
        width: 100% !important;
        height: 100% !important;
        left: 0;
        bottom: auto;
        background: linear-gradient(to right, #ef4444, #f97316, #22c55e) !important;
    }

    .game-wrapper {
        flex-direction: column !important;
    }
}

@media (max-width: 480px) {
    .apple-cell {
        width: 20px;
        height: 20px;
        font-size: 10px;
    }

    .apple-cell::before {
        width: 4px;
        height: 3px;
        top: 1px;
        left: 4px;
    }

    .game-grid {
        gap: 1px;
    }
}

/* Prevent text selection during drag */
.game-grid-container {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}