/* ============================================
   게임 화면 - 개선된 레이아웃
   ============================================ */

.game-screen {
    display: none;
    flex-direction: column;
    width: 100%;
    height: 100%;
    position: relative;
    box-sizing: border-box;
    overflow: hidden;
}

.game-screen.active {
    display: flex !important;
}

/* ===== 1. 상단 헤더 스타일 ===== */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.5rem, 1.5vw, 0.75rem) clamp(0.75rem, 2vw, 1rem);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    height: clamp(50px, 8vh, 60px);
    flex-shrink: 0;
    z-index: 10;
}

.game-stats {
    display: flex;
    gap: clamp(1rem, 3vw, 2rem);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.15rem, 0.5vw, 0.25rem);
}

.stat-label {
    font-size: clamp(0.6rem, 1.5vw, 0.7rem);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: bold;
    color: #fff;
    font-family: 'Courier New', monospace;
}

.game-controls {
    display: flex;
    gap: clamp(0.4rem, 1vw, 0.5rem);
}

.header-btn {
    width: clamp(32px, 5vw, 36px);
    height: clamp(32px, 5vw, 36px);
    border-radius: clamp(6px, 1vw, 8px);
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.header-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.header-btn:active {
    transform: scale(0.95);
}

/* ===== 2. 게임 영역 스타일 ===== */
.game-main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(1rem, 3vw, 2rem);
    padding: clamp(0.5rem, 2vw, 1rem);
    overflow: hidden;
    min-height: 0;
}

.game-board-wrapper {
    background: rgba(0, 0, 0, 0.3);
    border-radius: clamp(10px, 2vw, 12px);
    padding: clamp(0.75rem, 2vw, 1rem);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

#gameCanvas {
    display: block;
    border-radius: clamp(6px, 1vw, 8px);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
    border: 3px solid rgba(255, 255, 255, 0.3);
    background: #000;
    /* 크기는 JavaScript에서 동적으로 조정됨 */
    max-width: 100%;
    max-height: 100%;
}

.next-area {
    display: flex;
    flex-direction: column;
    gap: clamp(0.4rem, 1vw, 0.5rem);
    align-items: center;
}

.next-label {
    font-size: clamp(0.875rem, 2vw, 1rem);
    font-weight: bold;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    letter-spacing: 2px;
}

.next-preview {
    background: rgba(0, 0, 0, 0.3);
    border-radius: clamp(10px, 2vw, 12px);
    padding: clamp(0.75rem, 2vw, 1rem);
    display: flex;
    align-items: center;
    justify-content: center;
}

#nextCanvas {
    display: block;
    border-radius: clamp(6px, 1vw, 8px);
    background: #000;
    border: 2px solid rgba(255, 255, 255, 0.2);
    /* 크기는 JavaScript에서 동적으로 조정됨 */
    max-width: 100%;
    max-height: 100%;
}

/* 상대 화면 컨테이너 (2인용 모드) */
.opponent-container {
    position: absolute;
    top: clamp(0.5rem, 2vw, 1rem);
    right: clamp(0.5rem, 2vw, 1rem);
    z-index: 10;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: clamp(0.6rem, 1.5vw, 0.8rem);
    border-radius: clamp(8px, 1.5vw, 10px);
    backdrop-filter: blur(5px);
    box-sizing: border-box;
}

.opponent-container h3 {
    font-size: clamp(0.7rem, 1.5vw, 0.8rem);
    margin-bottom: clamp(0.3rem, 1vw, 0.5rem);
    opacity: 0.9;
    color: #fff;
}

#opponentCanvas {
    width: clamp(120px, 20vw, 160px);
    height: clamp(240px, 40vw, 320px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: clamp(4px, 1vw, 5px);
    background: #000;
}

/* ===== 3. 하단 컨트롤 스타일 ===== */
.game-controls-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.5rem, 1.5vw, 0.75rem) clamp(1rem, 3vw, 2rem);
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    min-height: clamp(90px, 15vh, 100px);
    flex-shrink: 0;
}

.controls-left,
.controls-right {
    flex: 0 0 clamp(100px, 18vw, 110px);
}

/* D-pad 스타일 */
.dpad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: clamp(2px, 0.6vw, 3px);
    width: clamp(100px, 18vw, 110px);
    height: clamp(100px, 18vw, 110px);
}

.dpad-btn {
    border: none;
    background: rgba(102, 126, 234, 0.3);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    border-radius: clamp(5px, 0.8vw, 6px);
}

.dpad-btn svg {
    width: clamp(18px, 3vw, 20px);
    height: clamp(18px, 3vw, 20px);
}

.dpad-btn:not(:disabled):hover {
    background: rgba(102, 126, 234, 0.5);
    transform: scale(1.05);
}

.dpad-btn:not(:disabled):active {
    background: rgba(102, 126, 234, 0.7);
    transform: scale(0.95);
}

.dpad-btn:disabled {
    background: transparent;
    cursor: default;
}

.dpad-up {
    grid-column: 2;
    grid-row: 1;
    background: rgba(239, 68, 68, 0.4);
}

.dpad-up:hover {
    background: rgba(239, 68, 68, 0.6);
}

.dpad-left {
    grid-column: 1;
    grid-row: 2;
}

.dpad-center {
    grid-column: 2;
    grid-row: 2;
}

.dpad-right {
    grid-column: 3;
    grid-row: 2;
}

.dpad-down {
    grid-column: 2;
    grid-row: 3;
    background: rgba(34, 197, 94, 0.4);
}

.dpad-down:hover {
    background: rgba(34, 197, 94, 0.6);
}

/* 회전 버튼 스타일 */
.controls-right {
    display: flex;
    flex-direction: row; /* 좌우 배치로 변경 */
    gap: clamp(0.5rem, 1.5vw, 0.75rem);
    align-items: center;
    justify-content: center;
}

.rotate-btn {
    width: clamp(50px, 10vw, 55px);
    height: clamp(50px, 10vw, 55px);
    border-radius: 50%;
    border: 2px solid rgba(251, 146, 60, 0.5);
    background: rgba(251, 146, 60, 0.2);
    color: #fff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(0.1rem, 0.3vw, 0.15rem);
    transition: all 0.2s;
    position: relative;
}

.rotate-btn svg {
    width: clamp(24px, 4vw, 28px);
    height: clamp(24px, 4vw, 28px);
}

.rotate-btn:hover {
    background: rgba(251, 146, 60, 0.3);
    border-color: rgba(251, 146, 60, 0.7);
    transform: scale(1.05);
}

.rotate-btn:active {
    transform: scale(0.95);
    background: rgba(251, 146, 60, 0.5);
}

.btn-text {
    font-size: clamp(0.8rem, 2vw, 1rem);
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

/* 기존 모바일 컨트롤 숨김 */
.mobile-controls-left,
.mobile-controls-right,
.bottom-controls-wrapper {
    display: none !important;
}

/* ===== 반응형 디자인 ===== */
@media (max-width: 768px) {
    .game-header {
        height: clamp(45px, 7vh, 50px);
        padding: clamp(0.4rem, 1.5vw, 0.5rem);
    }
    
    .game-stats {
        gap: clamp(0.75rem, 2vw, 1rem);
    }
    
    .stat-label {
        font-size: clamp(0.55rem, 1.2vw, 0.6rem);
    }
    
    .stat-value {
        font-size: clamp(1rem, 2.5vw, 1.2rem);
    }
    
    .header-btn {
        width: clamp(28px, 4vw, 32px);
        height: clamp(28px, 4vw, 32px);
    }
    
    .game-main {
        flex-direction: column;
        gap: clamp(0.75rem, 2vw, 1rem);
        padding: clamp(0.4rem, 1.5vw, 0.5rem);
    }
    
    .next-area {
        flex-direction: row;
        align-items: center;
        gap: clamp(0.75rem, 2vw, 1rem);
    }
    
    .game-controls-bottom {
        padding: clamp(0.5rem, 1.2vw, 0.6rem) clamp(0.75rem, 2vw, 1rem);
        min-height: clamp(80px, 15vh, 90px);
    }
    
    .dpad {
        width: clamp(85px, 15vw, 95px);
        height: clamp(85px, 15vw, 95px);
    }
    
    .dpad-btn svg {
        width: clamp(16px, 2.5vw, 18px);
        height: clamp(16px, 2.5vw, 18px);
    }
    
    .rotate-btn {
        width: clamp(42px, 8vw, 48px);
        height: clamp(42px, 8vw, 48px);
    }
    
    .rotate-btn svg {
        width: clamp(20px, 3.5vw, 24px);
        height: clamp(20px, 3.5vw, 24px);
    }
    
    .btn-text {
        font-size: clamp(0.7rem, 1.8vw, 0.85rem);
    }
    
    .controls-left,
    .controls-right {
        flex: 0 0 clamp(85px, 15vw, 95px);
    }
}

/* 가로 모드 최적화 */
@media (orientation: landscape) and (max-height: 600px) {
    .game-header {
        height: clamp(40px, 6vh, 45px);
        padding: clamp(0.4rem, 1vw, 0.5rem);
    }
    
    .stat-value {
        font-size: clamp(0.9rem, 2vw, 1rem);
    }
    
    .game-main {
        padding: clamp(0.4rem, 1vw, 0.5rem);
        gap: clamp(0.75rem, 2vw, 1rem);
    }
    
    .game-controls-bottom {
        min-height: clamp(75px, 12vh, 85px);
        padding: clamp(0.4rem, 1vw, 0.5rem) clamp(0.75rem, 2vw, 1rem);
    }
    
    .dpad {
        width: clamp(75px, 12vw, 85px);
        height: clamp(75px, 12vw, 85px);
    }
    
    .dpad-btn svg {
        width: clamp(14px, 2vw, 16px);
        height: clamp(14px, 2vw, 16px);
    }
    
    .rotate-btn {
        width: clamp(38px, 7vw, 42px);
        height: clamp(38px, 7vw, 42px);
    }
    
    .rotate-btn svg {
        width: clamp(18px, 3vw, 20px);
        height: clamp(18px, 3vw, 20px);
    }
    
    .btn-text {
        font-size: clamp(0.65rem, 1.5vw, 0.75rem);
    }
    
    .controls-left,
    .controls-right {
        flex: 0 0 clamp(75px, 12vw, 85px);
    }
}