/* Battleship Specific Styles */
:root {
    --water-color: rgba(30, 144, 255, 0.1);
    --grid-line: rgba(255, 255, 255, 0.08);
    --hit-color: #ff3e3e;
    --miss-color: #ffffff;
    --ship-color: #4CAF50;
    --enemy-hover: rgba(255, 235, 59, 0.25);
    --banner-bg: rgba(0, 0, 0, 0.8);
    --primary-glow: 0 0 15px rgba(0, 243, 255, 0.5);
}

/* Turn Banner - Sticky and Clear */
.turn-banner {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--banner-bg);
    color: var(--primary);
    padding: 15px;
    text-align: center;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    border-bottom: 2px solid var(--primary);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    margin: -20px -20px 20px -20px;
    /* Offset parent padding */
    transition: all 0.3s ease;
}

.turn-banner.my-turn {
    color: #4CAF50;
    border-color: #4CAF50;
    text-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.turn-banner.opp-turn {
    color: #ff3e3e;
    border-color: #ff3e3e;
    text-shadow: 0 0 10px rgba(255, 62, 62, 0.5);
}

.battlefield-container {
    padding: 10px;
    perspective: 1000px;
}

.battlefield {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    align-items: flex-start;
}

.board-wrapper {
    flex: 1;
    min-width: 320px;
    max-width: 450px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.board-label {
    width: 100%;
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: bold;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 0 4px 4px 0;
}

.board-label.enemy {
    border-color: #ff0055;
    background: rgba(255, 0, 85, 0.05);
}

.board-label.friendly {
    border-color: var(--primary);
    background: rgba(0, 243, 255, 0.05);
}

.battleship-board {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(10, 1fr);
    width: 100%;
    aspect-ratio: 1;
    background: var(--water-color);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    /* For scanning line */
}

/* Scanning Line Animation */
.battleship-board::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            transparent 0%,
            rgba(0, 243, 255, 0.05) 50%,
            rgba(0, 243, 255, 0.1) 90%,
            transparent 100%);
    pointer-events: none;
    animation: scan 4s linear infinite;
}

@keyframes scan {
    0% {
        top: -100%;
    }

    100% {
        top: 100%;
    }
}

.cell {
    border: 1px solid var(--grid-line);
    position: relative;
    cursor: crosshair;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
}

.battleship-board.enemy .cell:hover {
    background: var(--enemy-hover);
    box-shadow: inset 0 0 10px rgba(255, 235, 59, 0.2);
}

.battleship-board.friendly .cell {
    cursor: default;
}

/* Markers */
.marker {
    width: 50%;
    height: 50%;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.marker.hit {
    background: var(--hit-color);
    box-shadow: 0 0 15px var(--hit-color), 0 0 5px #fff;
    width: 65%;
    height: 65%;
}

.marker.miss {
    background: var(--miss-color);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    opacity: 0.8;
}

.marker.last-move {
    position: relative;
    width: 70%;
    height: 70%;
    box-shadow: 0 0 10px 2px #fff, 0 0 20px 5px var(--primary);
    z-index: 10;
    animation: pulse-ring 1.5s infinite;
}

@keyframes pulse-ring {
    0% {
        box-shadow: 0 0 10px 2px #fff, 0 0 20px 5px var(--primary);
    }

    50% {
        box-shadow: 0 0 15px 4px #fff, 0 0 30px 10px var(--primary);
    }

    100% {
        box-shadow: 0 0 10px 2px #fff, 0 0 20px 5px var(--primary);
    }
}

/* Ships */
.cell.ship {
    background: rgba(76, 175, 80, 0.25);
    border: 1px solid rgba(76, 175, 80, 0.5);
    box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.4);
}

/* Setup Specific Ship Visuals */
#setup-board .cell.ship {
    background: rgba(0, 243, 255, 0.15);
    border: 1px solid rgba(0, 243, 255, 0.3);
}

#setup-board .cell.ship.ship-head {
    background: rgba(0, 243, 255, 0.3);
    border-left: 3px solid var(--primary);
}

#setup-board .cell.ship.ship-head.vertical {
    border-left: 1px solid rgba(0, 243, 255, 0.3);
    border-top: 3px solid var(--primary);
}

/* Drag to remove indicator */
.battleship-board.dragging-outside {
    outline: 2px solid #ff3e3e;
    outline-offset: 4px;
}

.cell.ship.hit {
    background: rgba(255, 62, 62, 0.4) !important;
    border-color: rgba(255, 62, 62, 0.6) !important;
}

/* Sunk Animation */
.cell.sunk {
    background: rgba(0, 0, 0, 0.6) !important;
    border: 1px solid #ff3e3e !important;
}

.cell.sunk .marker.hit {
    animation: fire 0.5s infinite alternate;
}

@keyframes fire {
    0% {
        box-shadow: 0 0 5px #ff3e3e;
        transform: scale(1);
    }

    100% {
        box-shadow: 0 0 20px #ff9800;
        transform: scale(1.2);
    }
}

/* Screen Shake for hits */
.shake {
    animation: shake 0.4s cubic-bezier(.36, .07, .19, .97) both;
}

@keyframes shake {

    10%,
    90% {
        transform: translate3d(-1px, 0, 0);
    }

    20%,
    80% {
        transform: translate3d(2px, 0, 0);
    }

    30%,
    50%,
    70% {
        transform: translate3d(-4px, 0, 0);
    }

    40%,
    60% {
        transform: translate3d(4px, 0, 0);
    }
}

/* Setup Area Re-styling */
.setup-area {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    width: 100%;
}

.board-container {
    width: 100%;
    max-width: 500px;
    display: flex;
    justify-content: center;
}

.fleet-dock {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    justify-content: center;
}

.ship-item {
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 6px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: bold;
    cursor: grab;
    transition: all 0.2s;
}

.ship-item:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.post-game-controls {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Lobby Cards */
.game-modes {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin: 20px 0;
}

.mode-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 24px;
    flex: 1 1 260px;
    max-width: 320px;
    text-align: center;
    transition: transform 0.3s ease;
}

.mode-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 243, 255, 0.05);
}

.mode-card h3 {
    margin: 0 0 8px 0;
    color: var(--primary);
    font-size: 1.3rem;
}

/* Responsive Overrides */
@media (max-width: 1000px) {
    .battlefield {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    .board-wrapper {
        width: 100%;
        max-width: 400px;
    }
}