:root {
    /* Light theme colors */
    --background-color: #e9e9e9;
    --text-color: #333;
    --primary-color: #f07619;
    --secondary-color: #2e53cc;
    --accent-color: #4e4b4b;
    --instructions-background-color: #f9f9f9;
    --table-background-color: #fff;
    --table-heading-background-color: #f4f2f2;
    --table-border-color: #b0aeae;
    --table-cell-hover-color: rgba(0, 0, 0, 0.1);
    --dice-controls-background-color: #e9e4e4;
    --dice-background: #ffffff;
    --dice-shadow: rgba(0, 0, 0, 0.7);
    --dice-hold: #2e53cc;
}

[data-theme="dark"] {
    /* Dark theme colors */
    --background-color: #1a2636;
    --text-color: #f5f5f5;
    --primary-color: #296a9f;
    --secondary-color: #f07619;
    --accent-color: #4e4b4b;
    --instructions-background-color: #263747;
    --table-background-color: #2c3e50;
    --table-heading-background-color: #1e2a38;
    --table-border-color: #64748b;
    --table-cell-hover-color: #394f66;
    --dice-controls-background-color: #263747;
    --dice-background: #ffffff;
    --dice-shadow: rgba(0, 0, 0, 0.5);
    --dice-hold: #f07619;
}

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

html {
    width: 100%;
    height: 100%;
    font-family: 'Roboto', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    scroll-behavior: smooth;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    cursor: default;
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1rem;
    color: var(--text-color);
}

button {
    border: none;
    outline: none;
    border-radius: 1.75rem;
    cursor: pointer;
    font-weight: bold;
    padding: 0.5rem;
    background-color: var(--accent-color);
}

#page {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 90%;
    margin-bottom: 1rem;
}

#title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    flex-grow: 1;
    margin-right: 1rem;
}

#headerButtons {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

#headerButtons button {
    height: 2.5rem;
    width: 6rem;
    font-size: 0.8rem;
    line-height: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--text-color);
}

#headerButtons button svg {
    display: none;
}

.resetBtn svg {
    fill: white;
    stroke: white;
}

#darkModeToggle {
    background-color: var(--accent-color);
    padding: 0.5rem;
}

#instructionsBox {
    background-color: var(--instructions-background-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 2rem;
}

#instructionsBoxHeader {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

#instructionsBox ol {
    margin-left: 1.5rem;
}

#cellTable {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--table-border-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background-color: var(--table-background-color);
}

.bottomMargin {
    margin-bottom: 25vh;
}

/* Constrain the width of the table when the player has hidden the instructions column */
#cellTable[data-instructions-hidden="true"] {
    width: 75%;
}

#cellTable th,
#cellTable td {
    border: 1px solid var(--table-border-color);
    padding: 0.75rem;
}

.headerRow th,
.headerRow td {
    background-color: var(--table-heading-background-color);
    font-weight: bold;
}

.sectionLabel {
    text-align: left;
    font-size: 0.9rem;
}

/* The playable cells (ex. Ones, Full House, etc.) */
.valueCell {
    cursor: pointer;
    transition: background-color 0.2s;
}

/* When a playable cell is clicked on but yet to be played */
.valueCell.selected {
    background-color: var(--primary-color);
    color: white;
}

/* When a playable cell has been played */
.valueCell.disabled {
    background-color: var(--table-background-color);
    cursor: not-allowed;
}

/* Non-playable cells (ex. subtotal, bonus, totals) */
.nonValue {
    background-color: var(--table-heading-background-color);
    font-weight: bold;
    cursor: default;
}

.valueCell,
.nonValue {
    text-align: center;
}

/* Hold the dice and roll/play buttons */
#diceControlsContainer {
    position: fixed;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-height: 25vh;
    width: 100%;
    background-color: var(--dice-controls-background-color);
    border-top: 1px solid var(--primary-color);
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

/* Dice container */
.dice {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    column-gap: 0.5rem;
    width: 100%;
    min-height: 6rem;
    /* margin-bottom: 0.5em; */
}

.die {
    width: 5em;
    background-color: var(--dice-background);
    border-radius: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 5px var(--dice-shadow);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

/* Hidden backing for each die that represents its value */
.die span {
    display: none;
}

.die.hold {
    outline: 1px solid var(--primary-color);
    background-color: var(--dice-hold);
}

.die.hold svg {
    fill: white;
}

.die.rolling {
    animation: roll 1s ease-in-out 3;
}

@keyframes roll {
    0% {
        transform: rotate(0deg);
    }

    50% {
        transform: rotate(360deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

/* Contains the Roll and Play buttons */
#diceControls {
    display: flex;
    justify-content: center;
    width: 90%;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 1rem;
}

#rollBtn,
#playBtn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    max-width: 15rem;
    height: 2.5rem;
    border-radius: 2rem;
    /* font-size: 0.9rem; */
}

/* When the player has rolls left, style the Roll button */
#rollBtn.rollsAvailable {
    background-color: var(--primary-color);
    color: white;
}

/* When the player has selected a playable cell after rolling */
#playBtn.playAvailable {
    background-color: var(--secondary-color);
    color: white;
}

/* A message showing the player's score and New Game btn
above the #cellTable, if they close the Game Over & High Scores
modals without yet starting a new game. It allows the player to 
check the game board to see how it composed their score. */
#gameOverMessage {
    text-align: center;
    margin: 1rem 0;
}

/* Game Over/high scores modals that are shown at the end of the game */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

/* Content within / above the modal overlay */
.modalContent {
    background-color: var(--background-color);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    max-height: 80vh;
    max-width: 1000px;
    width: 90%;
    overflow-y: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Header of modal content consists of the heading and closeBtn */
.modalHeader {
    display: flex;
    flex-direction: row;
    align-items: space-between;
    margin-bottom: 1rem;
}

.modalHeader h2 {
    font-size: 2rem;
    color: var(--primary-color);
    flex-grow: 1;
    text-align: left;
}

/* Holds Close button and other modal controls */
.modalControls {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.modalCloseBtn {
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    border-radius: 0;
    height: 2rem;
    width: 2rem;
}

/* The name input shown on the Game Over modal */
#highScoreForm {
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#highScoreNameInput {
    padding: 0.5rem;
    border-radius: 5px;
    border: 1px solid var(--table-border-color);
    background-color: var(--instructions-background-color);
    color: var(--text-color);
}

#highScoreSaveBtn {
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    border-radius: 0;
}

#highScoresContainer {
    max-height: 60vh;
    overflow-y: auto;
}

#deleteAllHighScoresBtn {
    border-radius: 0;
    cursor: pointer;
    height: 2rem;
    width: 2rem;
}

#highScoresTable {
    background-color: var(--table-background-color);
    border: 1px solid var(--table-border-color);
    width: 100%;
    border-collapse: collapse;
    padding: 0.5rem;
}

#highScoresTable tr {
    border-bottom: 1px solid var(--table-border-color);
}

.deleteHighScoreBtn {
    padding: 0.5rem;
    margin: 0.5rem;
    border-radius: 0;
    cursor: pointer;
}

#deleteAllHighScoresBtn svg rect {
    fill: white;
}

#deleteAllHighScoresBtn svg {
    fill: var(--accent-color);
    height: 1rem;
    width: 1rem;
}

@media screen and (max-width: 1200px) {
    header {
        width: 100%;
        flex-direction: column;
        align-items: center;
        row-gap: 1rem;
    }

    .bottomMargin {
        margin-bottom: 25vh;
    }
}

@media screen and (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
        width: 100%;
        row-gap: 1rem;
    }

    #cellTable[data-instructions-hidden] {
        width: 100%;
    }

    .bottomMargin {
        margin-bottom: 30vh;
    }
}

@media screen and (max-width: 576px) {
    #headerButtons {
        flex-grow: 1;
    }

    #headerButtons button {
        height: 2.5rem;
        width: 3rem;
    }

    #headerButtons button svg {
        display: block;
        height: 1rem;
        width: 1rem;
    }

    #headerButtons button span {
        display: none;
    }

    .die {
        width: 4rem;
    }
}

@media screen and (pointer: fine) and (hover: hover) {
    #headerButtons button:hover {
        background-color: var(--secondary-color);
    }

    .valueCell:hover {
        background-color: var(--table-cell-hover-color);
        outline: 2px solid var(--primary-color);
    }

    .valueCell.selected:hover {
        background-color: var(--primary-color);
        outline: 2px solid var(--primary-color);
    }

    .die:hover {
        transform: scale(1.05);
        outline: 1px solid var(--secondary-color);
        box-shadow: 0 1px 5px 3px hsla(0, 0%, 0%, 0.2);
    }

    #rollBtn.rollsAvailable:hover {
        outline: 2px solid var(--text-color);
    }

    #playBtn.playAvailable:hover {
        outline: 2px solid var(--text-color);
    }

    .modalCloseBtn:hover {
        background-color: var(--secondary-color);
        color: white;
    }

    #deleteAllHighScoresBtn:hover,
    .deleteHighScoreBtn:hover {
        background-color: var(--primary-color);
        color: white;
    }
}