/**
 * NEON SNAKE 2049 - Screen Components
 * Start, Pause, and Game Over screens
 */

/* Start Screen */
#startScreen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.98);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 25;
}

#startScreen h1 {
    font-size: 72px;
    color: var(--color-primary);
    text-shadow: 0 0 40px var(--color-primary);
    margin-bottom: 20px;
    letter-spacing: 8px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { text-shadow: 0 0 40px var(--color-primary); }
    50% { text-shadow: 0 0 60px var(--color-primary), 0 0 80px var(--color-primary); }
}

#startScreen h2 {
    font-size: 32px;
    color: var(--color-secondary);
    text-shadow: 0 0 20px var(--color-secondary);
    margin-bottom: 40px;
    letter-spacing: 4px;
}

.start-info {
    font-size: 18px;
    color: var(--color-accent);
    margin: 10px 0;
    text-shadow: 0 0 10px var(--color-accent);
}

#startBtn {
    margin-top: 40px;
    padding: 20px 60px;
    font-size: 24px;
    background: transparent;
    border: 3px solid var(--color-primary);
    color: var(--color-primary);
    cursor: pointer;
    font-family: 'Courier New', monospace;
    text-shadow: 0 0 15px var(--color-primary);
    box-shadow: 0 0 30px var(--color-secondary-alpha);
    transition: all 0.3s;
    letter-spacing: 4px;
    animation: startBtnPulse 2s infinite;
}

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

#startBtn:hover {
    background: var(--color-primary-light);
    box-shadow: 0 0 50px var(--color-primary);
}

/* Legend */
.legend {
    margin-top: 40px;
    text-align: left;
    border: 2px solid var(--color-secondary);
    padding: 20px;
    background: rgba(10, 10, 15, 0.8);
    box-shadow: 0 0 20px var(--color-secondary-alpha);
}

.legend-title {
    font-size: 20px;
    color: var(--color-secondary);
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--color-secondary);
}

.legend-item {
    font-size: 14px;
    color: var(--color-accent);
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.legend-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 3px;
    box-shadow: 0 0 10px currentColor;
}

/* Pause Menu */
#pauseMenu {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(10, 10, 15, 0.95);
    border: 3px solid var(--color-primary);
    padding: 40px;
    text-align: center;
    box-shadow: 0 0 40px var(--color-primary);
    z-index: 20;
    display: none;
}

#pauseMenu h2 {
    font-size: 48px;
    color: var(--color-primary);
    text-shadow: 0 0 20px var(--color-primary);
    margin-bottom: 20px;
    letter-spacing: 4px;
}

#pauseMenu p {
    font-size: 18px;
    color: var(--color-secondary);
    margin: 10px 0;
}

/* Game Over Screen */
#gameOverScreen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(10, 10, 15, 0.98);
    border: 3px solid var(--color-primary);
    padding: 50px;
    text-align: center;
    box-shadow: 0 0 60px var(--color-primary);
    z-index: 20;
    display: none;
    min-width: 500px;
}

#gameOverScreen h2 {
    font-size: 64px;
    color: var(--color-primary);
    text-shadow: 0 0 30px var(--color-primary);
    margin-bottom: 30px;
    letter-spacing: 6px;
    animation: glitch 1s infinite;
}

@keyframes glitch {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

.game-over-stat {
    font-size: 24px;
    color: var(--color-secondary);
    margin: 15px 0;
    text-shadow: 0 0 10px var(--color-secondary);
}

.game-over-stat span {
    color: var(--color-accent);
    font-size: 32px;
    text-shadow: 0 0 15px var(--color-accent);
}

#restartBtn {
    margin-top: 30px;
    padding: 15px 40px;
    font-size: 20px;
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    cursor: pointer;
    font-family: 'Courier New', monospace;
    text-shadow: 0 0 10px var(--color-primary);
    box-shadow: 0 0 20px var(--color-secondary-alpha);
    transition: all 0.3s;
    letter-spacing: 2px;
}

#restartBtn:hover {
    background: var(--color-primary-light);
    box-shadow: 0 0 30px var(--color-primary);
    transform: scale(1.05);
}