/* Original Theme CSS Integration */
:root {
    --bg-color: #080F0F;
    --text-color: #a4bab7;
    --box-bg: #EFF2C0;
    --color-x: #A52422; /* Original Red */
    --color-o: #1E90FF; /* Original Blue */
    --btn-bg: #A4BAB7;
    --btn-text: #080F0F;
    --panel-bg: rgba(164, 186, 183, 0.08);
    --panel-border: rgba(164, 186, 183, 0.25);
    --font-family: 'Comic Neue', cursive, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

input {
    user-select: text;
    -webkit-user-select: text;
}

/* App Container */
.app-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

h1 {
    font-size: min(4.5rem, 10vw);
    font-family: var(--font-family);
    margin-bottom: 0.2rem;
    white-space: nowrap;
}

/* Controls Panel */
.controls-panel {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    border-radius: 1rem;
    border: 1px solid var(--panel-border);
    background-color: var(--panel-bg);
    gap: 0.8rem;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group label {
    font-size: 0.85rem;
    font-weight: bold;
    text-transform: uppercase;
}

/* Custom Dropdown Styling */
.custom-dropdown {
    position: relative;
    display: inline-block;
    width: 140px;
}

.dropdown-trigger {
    background-color: var(--bg-color);
    border: 1.5px solid var(--panel-border);
    color: var(--text-color);
    padding: 0.4rem 1.6rem 0.4rem 0.8rem;
    border-radius: 0.8rem;
    font-family: var(--font-family);
    outline: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
    position: relative;
}

.dropdown-trigger::after {
    content: '▼';
    position: absolute;
    right: 0.6rem;
    top: 50%;
    transform: translateY(-50%) scale(0.85);
    font-size: 0.6rem;
    opacity: 0.75;
}

.dropdown-trigger:focus {
    border-color: var(--text-color);
}

.dropdown-options {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    width: 100%;
    background-color: var(--bg-color);
    border: 1.5px solid var(--panel-border);
    border-radius: 0.8rem;
    list-style: none;
    padding: 0;
    margin: 0;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    display: none;
    overflow: hidden;
}

.dropdown-options.show {
    display: block;
}

.dropdown-option {
    padding: 0.5rem 0.6rem;
    cursor: pointer;
    font-family: var(--font-family);
    color: var(--text-color);
    font-size: 0.9rem;
    text-align: center;
}

.dropdown-option:hover {
    background-color: var(--btn-bg);
    color: var(--btn-text);
}

.dropdown-option.selected {
    background-color: rgba(164, 186, 183, 0.15);
    font-weight: bold;
}

.custom-input {
    background-color: var(--bg-color);
    border: 1.5px solid var(--panel-border);
    color: var(--text-color);
    padding: 0.4rem 0.6rem;
    border-radius: 0.8rem;
    font-family: var(--font-family);
    outline: none;
    width: 100%;
    max-width: 130px;
    font-size: 0.9rem;
    text-align: center;
}

.custom-input:focus {
    border-color: var(--text-color);
}

.name-input-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    flex: 1;
}

.name-input-wrapper label {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.85;
}

/* Names group row formatting on mobile */
#pvp-names-group {
    display: flex;
    gap: 0.8rem;
    width: 100%;
    justify-content: space-between;
}

#user-name-group {
    width: 100%;
}

#user-name-group .name-input-wrapper {
    width: 100%;
}

#user-name-group .custom-input {
    max-width: 180px;
}

/* Mute Icon Button */
.icon-btn {
    background-color: var(--panel-bg);
    border: 1px solid var(--panel-border);
    color: var(--text-color);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.icon-btn:hover {
    background-color: rgba(164, 186, 183, 0.2);
    transform: scale(1.08);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
}

/* Scoreboard */
.scoreboard {
    display: flex;
    gap: 0.6rem;
}

.score-card {
    flex: 1;
    padding: 0.6rem;
    border-radius: 1rem;
    background-color: var(--panel-bg);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.score-card.active-turn {
    background-color: rgba(164, 186, 183, 0.15);
}

.player-x-card.active-turn {
    border-color: var(--color-x);
}

.player-o-card.active-turn {
    border-color: var(--color-o);
}

.player-label {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-bottom: 0.1rem;
}

.score-val {
    font-size: 1.6rem;
    font-weight: bold;
}

.player-x-card .score-val {
    color: var(--color-x);
}

.player-o-card .score-val {
    color: var(--color-o);
}

.tie-card .score-val {
    color: var(--text-color);
}

/* Status Indicator */
.status-indicator {
    font-size: 1.1rem;
    min-height: 28px;
}

/* Game Board */
.board-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 1.5vmin;
    width: 60vmin;
    height: 60vmin;
    max-width: 400px;
    max-height: 400px;
}

/* Box Styling (Preserving Original Look) */
.box {
    font-family: var(--font-family);
    border-radius: 1rem;
    border: none;
    box-shadow: 0 0 1rem rgba(0,0,0,0.5);
    font-size: 8vmin;
    background-color: var(--box-bg);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    outline: none;
}

@media (min-width: 600px) {
    .box {
        font-size: 3rem;
    }
}

.box:hover:not(:disabled) {
    transform: scale(1.04);
}

.box:active:not(:disabled) {
    transform: scale(0.96);
}

.box.x {
    color: var(--color-x);
}

.box.o {
    color: var(--color-o);
}

/* Winning combination highlight */
.box.winning-cell {
    animation: winPulse 0.8s infinite alternate;
    box-shadow: 0 0 1.5rem rgba(164, 186, 183, 0.7);
}

.box.winning-cell.x {
    background-color: #fca5a5; /* lighter red background highlight */
}

.box.winning-cell.o {
    background-color: #93c5fd; /* lighter blue background highlight */
}

/* Actions Buttons */
.actions {
    display: flex;
    gap: 0.8rem;
}

.reset-btn, .new-btn, .reset-scores-btn {
    flex: 1;
    padding: 0.8rem;
    font-size: 1.2rem;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    border-radius: 1rem;
    border: none;
    font-family: var(--font-family);
    cursor: pointer;
    outline: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.reset-btn:hover, .new-btn:hover, .reset-scores-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.3);
}

.reset-btn:active, .new-btn:active, .reset-scores-btn:active {
    transform: translateY(0);
}

.reset-scores-btn {
    background-color: rgba(164, 186, 183, 0.4);
    color: var(--text-color);
}

/* Winner Overlay Modal */
.msg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(8, 15, 15, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

#confetti-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 101;
}

.modal-content {
    position: relative;
    z-index: 102;
    padding: 2.5rem;
    border-radius: 2rem;
    background-color: var(--bg-color);
    border: 2.5px solid var(--text-color);
    max-width: 380px;
    width: 90%;
    box-shadow: 0 0 2rem rgba(0,0,0,0.6);
}

.modal-content h2 {
    font-size: 2.4rem;
    margin-bottom: 0.5rem;
}

.modal-content h2.winner-x {
    color: var(--color-x);
}

.modal-content h2.winner-o {
    color: var(--color-o);
}

.modal-content h2.draw {
    color: var(--text-color);
}

.modal-content p {
    font-size: 1.1rem;
    margin-bottom: 1.8rem;
    opacity: 0.9;
}

/* Animations */
@keyframes winPulse {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

.hide {
    display: none !important;
}

/* Desktop 3-Column Layout */
@media (min-width: 800px) {
    .app-container {
        display: grid;
        grid-template-columns: 160px 1fr 160px;
        grid-template-rows: auto auto auto auto;
        gap: 1.5rem;
        max-width: 850px;
        align-items: center;
    }

    header {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .status-indicator {
        grid-column: 2;
        grid-row: 2;
        margin-bottom: -0.5rem;
    }

    .board-container {
        grid-column: 2;
        grid-row: 3;
    }

    .actions {
        grid-column: 2;
        grid-row: 4;
        margin-top: -0.5rem;
    }

    .scoreboard {
        grid-column: 1;
        grid-row: 3;
        flex-direction: column;
        gap: 1rem;
        padding: 1.2rem 0.8rem;
        height: 100%;
        justify-content: center;
    }

    .controls-panel {
        grid-column: 3;
        grid-row: 3;
        flex-direction: column;
        gap: 2rem;
        padding: 1.5rem 0.8rem;
        height: 100%;
        justify-content: center;
    }

    .control-group {
        flex-direction: column;
        gap: 0.6rem;
    }

    #pvp-names-group {
        flex-direction: column;
        gap: 0.8rem;
    }

    .custom-dropdown, .custom-input {
        width: 100%;
        max-width: 100%;
    }

    .footer-credit {
        position: absolute;
        bottom: 12px;
        left: 15px;
        margin-top: 0;
        text-align: left;
        padding-left: 0;
        width: auto;
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
    }
}

.footer-credit {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    opacity: 0.6;
    color: var(--text-color);
    margin-top: 1.5rem;
    width: 100%;
    max-width: 400px;
    text-align: left;
    padding-left: 10px;
}

.footer-credit a {
    color: inherit;
    text-decoration: underline;
    font-weight: bold;
}

.footer-credit a:hover {
    color: var(--color-o);
    opacity: 1;
}

.footer-credit .github-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.footer-credit .feather-github {
    width: 14px;
    height: 14px;
    color: var(--text-color);
    transition: transform 0.2s ease, color 0.2s ease;
    vertical-align: middle;
}

.footer-credit .github-link:hover .feather-github {
    transform: scale(1.2);
    color: var(--color-o);
}