:root {
  --header: #A9A9A9;
  --main: #D3D3D3;
  --footer: #808080;
  --rock: #FF6F61;
  --rock-hover: #FF9A8F;
  --rock-active: #FFD6D1;
  --paper: #4A90E2;
  --paper-hover: #8ABAF0;
  --paper-active: #CDE2F9;
  --scissors: #2E8B8B;
  --scissors-hover: #66B2B2;
  --scissors-active: #B7E0E0;
  --play-again: #848884;
  --play-again-hover: #C0C0C0;
  --play-again-active: #E5E4E2;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Roboto", sans-serif;
    color: #414a4c;
}

/* HEADER */

.header {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--header);
    padding: 5vh;
    flex-wrap: wrap;
    border-bottom: 0.5vh solid #414a4c;
}

.title {
    font-size: 48px;
    margin: 0 12px;
    text-shadow: 0 0 5px var(--footer);
}

#text-rock {
    color: var(--rock);
}

#text-paper {
    color: var(--paper);
}

#text-scissors {
    color: var(--scissors);
}

/* MAIN */ 

.main {
    background-image: url(https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTgGaSfq-9oX0C4-WyrEVCb5CSgU7D2i-yzgQ&s);
    background-color: var(--main);
    background-blend-mode: overlay;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.score-header {
    display: flex;
    align-items: center;
    flex-direction: column;
    margin: 3vh;
}

.score-container {
    display: flex;
    align-items: center;
    flex-direction: column;
    margin-bottom: 3vh;
    background-color: var(--header);
    padding: 3vh;
    border-radius: 10px;
    width: fit-content;
    border: 1vh solid #414a4c;
}

#enemy-choice {
    font-size: 15vh;
    margin-bottom: 1vh;
    text-shadow: 0 0 5px var(--footer);
}

.buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 3vh;
    gap: 8vw;
    flex-wrap: wrap;
    margin: 10px;
}

.sign {
    width: 20vw;
    height: 20vh;
    font-size: 10em;
    border: 1vh solid #414a4c;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 30px;
    padding: 0.8em;
    flex: 1 1 auto;
    text-shadow: 0 0 5px var(--footer);
}

#rock {
    background-color: var(--rock);
}

#rock:hover {
    background-color: var(--rock-hover);
    width: 20.5vw;
    height: 20.5vh;
    font-size: 10.5em;
}

#rock:active {
    background-color: var(--rock-active);
    width: 21vw;
    height: 21vh;
    font-size: 11em;
}

#paper {
    background-color: var(--paper);
}

#paper:hover {
    background-color: var(--paper-hover);
    width: 20.5vw;
    height: 20.5vh;
    font-size: 10.5em;
}

#paper:active {
    background-color: var(--paper-active);
    width: 21vw;
    height: 21vh;
    font-size: 11em;
}

#scissors {
    background-color: var(--scissors);
}

#scissors:hover {
    background-color: var(--scissors-hover);
    width: 20.5vw;
    height: 20.5vh;
    font-size: 10.5em;
}

#scissors:active {
    background-color: var(--scissors-active);
    width: 21vw;
    height: 21vh;
    font-size: 11em;
}

/* GAME OVER */

#game-over {
    text-align: center;
    margin-bottom: 10vh;;
}

#game-over-text {
    font-size: 5vh;
}

#restart {
    visibility: hidden;
    font-size: 3vh;
    border: 0.5vh solid #414a4c;
    background-color: var(--play-again);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2vh 2vw;
    margin-top: 2vh;
}

#restart:hover {
    background-color: var(--play-again-hover);
    font-size: 3.1vh;
}

#restart:active {
    background-color: var(--play-again-active);
    font-size: 3.2vh;
}

/* FOOTER */

.footer {
    position: fixed;
    bottom: 0px;
    height: 7vh;
    width: 100vw;
    background-color: var(--footer);
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    border: 0.5vh solid #414a4c;
}

.github {
    height: 3.5vh;
    width: auto;
    margin-left: 10px;
}

.github:hover {
    height: 3.7vh;
}

.github:active {
    height: 3.8vh;
}