@font-face {
    font-family: 'Cairo';
    src: url('Cairo-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

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

html {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to bottom, #00a6b6, #c9da37);
    padding: 10px;
}

.container {
    width: 100%;
    max-width: 1200px;
    height: calc(100vh - 20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    position: relative;
    min-height: 0;
}

.game-frame {
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.game-content {
    width: 100%;
    height: 100%;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(10px, 2vh, 20px);
    min-height: 0;
}

.game-title {
    font-size: clamp(2rem, 4vw, 4rem);
    font-weight: 700;
    color: #000;
    text-align: center;
    margin-bottom: 0;
    font-family: 'Cairo', sans-serif;
    line-height: 1.1;
    flex-shrink: 0;
}

.game-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: clamp(1rem, 2vw, 1.8rem);
    font-weight: 600;
    color: #000;
    font-family: 'Cairo', sans-serif;
    flex-shrink: 0;
}

.current-player {
    display: flex;
    align-items: center;
    gap: 10px;
}

#player-indicator {
    font-size: 2.5rem;
    animation: pulse 1s ease-in-out infinite;
}

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

.board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: clamp(6px, 1vw, 10px);
    width: clamp(280px, 40vw, 450px);
    height: clamp(280px, 40vw, 450px);
    max-width: 100%;
    max-height: 100%;
    background: #000;
    padding: clamp(6px, 1vw, 10px);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.cell {
    background: #f8f9fa;
    border: 3px solid #e0e0e0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(3rem, 8vw, 5rem);
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    min-height: 0;
    min-width: 0;
    aspect-ratio: 1;
    position: relative;
}

.cell-number {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(3rem, 8vw, 5rem);
    color: #000;
    font-weight: 700;
    pointer-events: none;
    z-index: 1;
    font-family: 'Cairo', sans-serif;
}

.cell:hover:not(.filled) {
    background: #e9ecef;
    border-color: #00a6b6;
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 166, 182, 0.3);
}

.cell.filled {
    cursor: default;
}

.cell.winner {
    background: #c9da37;
    border-color: #c9da37;
    animation: winnerPulse 0.6s ease-in-out 3;
}

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

.game-status {
    font-size: clamp(1.2rem, 2.5vw, 2rem);
    font-weight: 700;
    color: #000;
    text-align: center;
    min-height: clamp(24px, 3vh, 40px);
    font-family: 'Cairo', sans-serif;
    flex-shrink: 0;
}

.game-status.win-message {
    color: #c9da37;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.game-status.draw-message {
    color: #666;
}

.reset-btn {
    padding: clamp(10px, 1.5vh, 15px) clamp(30px, 4vw, 40px);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 700;
    color: #000;
    background: #f8f9fa;
    border: 3px solid #000;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Cairo', sans-serif;
    display: none;
    flex-shrink: 0;
}

.reset-btn:hover {
    background: #e9ecef;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.reset-btn:active {
    transform: translateY(0);
}

.logo {
    text-align: center;
    margin-top: clamp(5px, 1vh, 10px);
    flex-shrink: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
}

.logo img {
    height: clamp(100px, 15vh, 200px);
    width: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Fullscreen sting animation */
.fullscreen-sting {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(to bottom, #00a6b6, #c9da37);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.sting-reset-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: clamp(10px, 1.5vh, 15px) clamp(30px, 4vw, 40px);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 700;
    color: #000;
    background: rgba(248, 249, 250, 0.9);
    border: 3px solid #000;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Cairo', sans-serif;
    z-index: 1001;
    backdrop-filter: blur(5px);
}

.sting-reset-btn:hover {
    background: rgba(248, 249, 250, 1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.sting-reset-btn:active {
    transform: translateY(0);
}

.fullscreen-sting.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    animation: stingEntry 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes stingEntry {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.sting-content {
    text-align: center;
    animation: stingContentEntry 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
}

@keyframes stingContentEntry {
    0% {
        transform: translateY(50px) scale(0.8);
        opacity: 0;
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.sting-emoji {
    font-size: 12rem;
    margin-bottom: 30px;
    animation: stingEmojiBounce 1s ease-in-out 0.8s infinite;
    line-height: 1;
}

@keyframes stingEmojiBounce {
    0%, 100% {
        transform: scale(1) translateY(0);
    }
    50% {
        transform: scale(1.1) translateY(-10px);
    }
}

.sting-message {
    font-size: 5rem;
    font-weight: 700;
    color: #000;
    font-family: 'Cairo', sans-serif;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.2);
    animation: stingMessagePulse 2s ease-in-out infinite;
}

@keyframes stingMessagePulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .game-title {
        font-size: 2.5rem;
    }
    
    .game-info {
        font-size: 1.3rem;
    }
    
    #player-indicator {
        font-size: 2rem;
    }
    
    .board {
        width: 300px;
        height: 300px;
        gap: 8px;
        padding: 8px;
    }
    
    .cell {
        font-size: 3.5rem;
    }
    
    .game-status {
        font-size: 1.5rem;
    }
    
    .reset-btn {
        padding: 12px 30px;
        font-size: 1.2rem;
    }
    
    .logo img {
        height: 180px;
        max-width: 500px;
    }
    
    .sting-emoji {
        font-size: 8rem;
        margin-bottom: 20px;
    }
    
    .sting-message {
        font-size: 3rem;
    }
}