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

/* Základní nastavení - velký text pro děti */
body {
    font-family: Arial, sans-serif;
    font-size: 20px;
    background: #1a1a2e;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Hlavní kontejner */
.container {
    width: 100%;
    max-width: 700px;
    padding: 20px;
    text-align: center;
}

/* Nadpis hry */
h1 {
    font-size: 2.5rem;
    color: #e94560;
    margin-bottom: 10px;
}

h2 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 20px;
}

/* Tlačítka - velká pro děti */
button {
    font-size: 1.5rem;
    padding: 20px 40px;
    margin: 10px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: transform 0.1s;
    font-weight: bold;
}

button:hover {
    transform: scale(1.05);
}

button:active {
    transform: scale(0.95);
}

/* Primární tlačítko */
.btn-primary {
    background: #e94560;
    color: #ffffff;
}

/* Emoji tlačítka */
.btn-emoji {
    font-size: 2.5rem;
    padding: 20px;
    width: 100px;
    height: 100px;
    background: #16213e;
    color: #ffffff;
    border: 3px solid #0f3460;
    border-radius: 20px;
}

.btn-emoji:hover {
    background: #0f3460;
    border-color: #e94560;
}

.btn-emoji.correct {
    background: #2ecc71;
    border-color: #2ecc71;
}

.btn-emoji.wrong {
    background: #e94560;
    border-color: #e94560;
}

/* Input pro jméno */
input[type="text"] {
    font-size: 1.5rem;
    padding: 15px 20px;
    border-radius: 10px;
    border: 3px solid #0f3460;
    background: #16213e;
    color: #ffffff;
    width: 100%;
    max-width: 400px;
    margin: 10px 0;
    text-align: center;
}

input[type="text"]:focus {
    outline: none;
    border-color: #e94560;
}

/* Skóre */
.score-box {
    font-size: 2rem;
    background: #16213e;
    border-radius: 15px;
    padding: 15px 30px;
    margin: 15px auto;
    display: inline-block;
    border: 2px solid #0f3460;
}

/* Zpráva k zapamatování */
.message-display {
    font-size: 4rem;
    letter-spacing: 10px;
    padding: 30px;
    background: #16213e;
    border-radius: 20px;
    margin: 20px 0;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Leaderboard */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th {
    background: #e94560;
    padding: 12px;
    font-size: 1rem;
}

td {
    padding: 10px;
    border-bottom: 1px solid #0f3460;
    font-size: 1rem;
}

tr:nth-child(even) {
    background: #16213e;
}

/* Online/offline indikátor */
.status {
    font-size: 0.9rem;
    padding: 5px 15px;
    border-radius: 20px;
    margin: 10px 0;
    display: inline-block;
}

.status.online {
    background: #2ecc71;
    color: #000000;
}

.status.offline {
    background: #e94560;
    color: #ffffff;
}

/* Obrazovky */
.screen {
    display: none;
}

.screen.active {
    display: block;
}

/* WCAG - focus viditelný */
*:focus {
    outline: 3px solid #f0c040;
    outline-offset: 3px;
}