/* CSS Custom Properties for theming */
:root {
    /* Colors */
    --color-primary: #3498db;
    --color-primary-dark: #2980b9;
    --color-text: #2c3e50;
    --color-text-light: #a4aab0;
    --color-background: #f8f9fa;
    --color-white: #fff;
    --color-border: #ddd;
    --color-red: #e74c3c;
    --color-green: #27ae60;
    --color-orange: #f4a261;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 25px;
    --spacing-xxl: 30px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 15px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.15);

    /* Typography */
    --font-size-sm: 16px;
    --font-size-base: 18px;
    --font-size-lg: 20px;
    --font-size-xl: 2.5em;
}

/* Reset and Base Styles */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

/* Race page specific styles - prevent scrolling on mobile */
[data-page="race"] {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

body { 
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    max-width: min(600px, 90vw);
    margin-inline: auto;
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior: none;
}

/* Make input selectable */
input {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* Typography */
h1 {
    color: var(--color-text);
    margin-block-end: var(--spacing-md);
    font-size: var(--font-size-xl);
    position: relative;
    text-align: center;
    margin-bottom: 40px;
    z-index: 1;
}

.tanuki::before {
    content: '';
    background-image: url('tanuki-icon.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 1em;
    height: 1em;
    position: absolute;
    font-size: 3em;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.4;
    z-index: -1;
}

/* Form Elements */
input { 
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-lg);
    margin: var(--spacing-xs) 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    width: 100%;
    max-width: 250px;
    transition: border-color 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Buttons and Controls */
button { 
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

#raceControl:hover , #joinRace:hover{
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

#raceControl:active , #joinRace:active{
    transform: translateY(0);
}

#waitingMessage, #preRaceCountdown, #countdown {
    display: none;
}

#waitingMessage .message-box {
    background-color: var(--color-red);
}

#preRaceCountdown .message-box{
    background-color: var(--color-orange);
}

#countdown .message-box{
    background-color: var(--color-green);
}

/* Message Box Styles */
.game-status {
    position: relative;
    text-align: center;
    width: 100%;
}

.message-box {
    display: inline-block;
}

.semaphore-box {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

/* Game Elements */
#tapButton { 
    width: min(200px, 50vw);
    display: none;
    aspect-ratio: 1;
    transition: all 0.2s ease;
    cursor: pointer;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    touch-action: manipulation;
    -webkit-user-drag: none;
    margin: var(--spacing-lg) auto;
}

#tapButton:active {
    transform: scale(0.95);
}

/* Status Elements */
#leaderboardTitle,
#playerName, 
#connectedUsers,
#sessionInfo,
#tapCount {
    margin-block: var(--spacing-xs);
    display: none;
    font-size: var(--font-size-lg);
    color: var(--color-text);
    white-space: nowrap;
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-xs);
}

#sessionId, #userCount, #playerNameValue {
    font-weight: bold;
}

/* Game Area */
#raceArea {
    display: none;
    margin-block-start: var(--spacing-lg);
    text-align: center;
}

/* Leaderboard */
#leaderboardTitle {
    background-color: var(--color-text-light);
}

#leaderboard { 
    list-style-type: none; 
    padding: 0;
    margin-block-start: var(--spacing-lg);
}

#leaderboard li { 
    margin-block: var(--spacing-xs);
    padding: var(--spacing-xs);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-sm);
    font-size: var(--font-size-base);
    color: var(--color-text);
}

/* Media Queries */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 15px;
        --spacing-xl: 20px;
        --spacing-xxl: 25px;
    }

    body {
        padding: var(--spacing-lg);
    }

    input, button {
        width: 100%;
        max-width: 250px;
        margin: var(--spacing-xs) auto;
    }
}