/* Using a custom font similar to Jeopardy for a better feel */
:root {
    --jeopardy-blue: #060ce9;
    --jeopardy-gold: #ffcc00;
    --font-family: 'Teko', sans-serif;
}

body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: #111;
    color: white;
    overflow: hidden;
}

#game-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: black;
}

header {
    text-align: center;
    padding: 10px 0;
    background-color: #000;
    position: relative;
}

nav {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
}

.nav-link {
    color: var(--jeopardy-gold);
    text-decoration: none;
    font-family: var(--font-family);
    font-size: 1.2rem;
    letter-spacing: 1px;
    padding: 8px 16px;
    border: 2px solid var(--jeopardy-gold);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: var(--jeopardy-gold);
    color: #000;
}

h1 {
    font-family: var(--font-family);
    font-size: 3rem;
    color: var(--jeopardy-gold);
    margin: 0;
    letter-spacing: 4px;
}

#jeopardy-board {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    flex-grow: 1;
    padding: 8px;
    background-color: black;
}

.category-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-title,
.clue-box {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: var(--jeopardy-blue);
    color: white;
    font-family: var(--font-family);
    border: 2px solid black;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

.category-title {
    font-size: 1.8rem;
    height: 15%;
    color: white;
    padding: 5px;
    letter-spacing: 2px;
}

.clue-box {
    font-size: 3.5rem;
    color: var(--jeopardy-gold);
    cursor: pointer;
    transition: transform 0.2s;
    flex-grow: 1;
}

.clue-box:not(.answered):hover {
    transform: scale(1.05);
}

.clue-box.answered {
    background-color: #222;
    color: #444;
    cursor: default;
    pointer-events: none;
    /* Disables clicks */
}

/* --- Overlay Styles --- */
#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--jeopardy-blue);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 1000;
}

#overlay.hidden {
    display: none;
}

#overlay-content {
    font-family: var(--font-family);
    font-size: 5rem;
    color: white;
    text-align: center;
    padding: 40px;
    max-width: 80%;
    text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.7);
}

/* --- Error Message --- */
.error-message {
    color: #ff4d4d;
    font-size: 1.5rem;
    text-align: center;
    padding: 50px;
    line-height: 1.6;
}

/* --- Game Selection Page Styles --- */
#selection-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 20px;
}

#game-selector {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 600px;
}

#selector-box {
    background-color: var(--jeopardy-blue);
    border: 4px solid var(--jeopardy-gold);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 0 30px rgba(255, 204, 0, 0.3);
    width: 100%;
}

#selector-box h2 {
    font-family: var(--font-family);
    font-size: 2.5rem;
    color: var(--jeopardy-gold);
    margin: 0 0 30px 0;
    letter-spacing: 2px;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-family: var(--font-family);
    font-size: 1.4rem;
    color: white;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

#data-file-select {
    width: 100%;
    padding: 15px;
    font-size: 1.2rem;
    font-family: var(--font-family);
    background-color: white;
    border: 3px solid var(--jeopardy-gold);
    border-radius: 8px;
    color: #333;
    cursor: pointer;
    letter-spacing: 1px;
}

#data-file-select:focus {
    outline: none;
    border-color: var(--jeopardy-gold);
    box-shadow: 0 0 10px rgba(255, 204, 0, 0.5);
}

#data-file-select:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    border-color: #999;
}

.start-button {
    background-color: var(--jeopardy-gold);
    color: #000;
    border: none;
    padding: 20px 40px;
    font-size: 2rem;
    font-family: var(--font-family);
    font-weight: 700;
    letter-spacing: 3px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    text-transform: uppercase;
}

.start-button:hover:not(:disabled) {
    background-color: #ffdd33;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

.start-button:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.start-button:disabled {
    background-color: #666;
    color: #999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* --- Responsive Design --- */
@media (max-width: 1200px) {
    nav {
        display: none;
    }
}