/* --- THEME VARIABLES --- */
.light-mode {
    --bg-color: #ffffff;
    --text-color: #111111;
    --border-color: #d3d6da;
    --key-bg: #d3d6da;
    --key-text: #111111;
    --key-hover: #bbbbbb;
    --correct: #6aaa64; 
    --present: #c9b458; 
    --absent: #787c7e;  
    --tile-text-locked: #ffffff;
}

.dark-mode {
    --bg-color: #121213;
    --text-color: #ffffff;
    --border-color: #3a3a3c;
    --key-bg: #818384;
    --key-text: #ffffff;
    --key-hover: #565758;
    --correct: #538d4e; /* Deeper green for dark mode */
    --present: #b59f3b; /* Deeper yellow for dark mode */
    --absent: #3a3a3c;  
    --tile-text-locked: #ffffff;
}

/* --- BASE STYLES --- */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Helvetica Neue', Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    transition: background-color 0.3s ease, color 0.3s ease; /* Smooth theme transition */
}

#game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 500px;
    position: relative; /* Critical: keeps the modal locked inside the game area */
}

/* --- HEADER & TOGGLE --- */
header {
    width: 100%;
    margin-bottom: 20px;
}

.header-top {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
}

h1 {
    font-size: 2.5rem;
    letter-spacing: 2px;
    margin: 0;
}

#theme-toggle {
    position: absolute;
    right: 10px;
    background: none;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.8rem;
    transition: 0.3s;
}

#theme-toggle:hover {
    border-color: var(--text-color);
}

.score-container {
    text-align: center;
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 5px;
}

/* --- GAME BOARD --- */
#board {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 30px;
}

.tile {
    width: 60px;
    height: 60px;
    border: 2px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    font-weight: bold;
    text-transform: uppercase;
    transition: transform 0.15s ease-in-out, background-color 0.4s ease, border-color 0.4s ease;
}

/* Animations */
.pop { 
    transform: scale(1.1); 
    border-color: var(--text-color); 
}

.flip {
    transform: rotateX(90deg);
}

/* State Colors (Overriding defaults when a letter is locked in) */
.correct { background-color: var(--correct) !important; color: var(--tile-text-locked) !important; border-color: var(--correct) !important; }
.present { background-color: var(--present) !important; color: var(--tile-text-locked) !important; border-color: var(--present) !important; }
.absent { background-color: var(--absent) !important; color: var(--tile-text-locked) !important; border-color: var(--absent) !important; }

/* --- KEYBOARD --- */
#keyboard {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    padding: 0 10px;
}

.key-row {
    display: flex;
    justify-content: center;
    gap: 6px;
}

.key {
    background-color: var(--key-bg);
    color: var(--key-text);
    border: none;
    padding: 18px 0;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.9rem;
    flex: 1;
    max-width: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s;
}

.key.wide {
    max-width: 70px;
    font-size: 0.8rem;
}

.key:hover { background-color: var(--key-hover); }

/* Keyboard State Colors */
.key.correct { background-color: var(--correct) !important; color: var(--tile-text-locked) !important; }
.key.present { background-color: var(--present) !important; color: var(--tile-text-locked) !important; }
.key.absent { background-color: var(--absent) !important; color: var(--tile-text-locked) !important; }

/* --- UI ELEMENTS --- */
#message-container {
    margin-top: 20px;
    font-weight: bold;
    height: 25px;
    letter-spacing: 1px;
    text-align: center;
}

/* --- MODAL POPUP STYLES --- */
#end-modal {
    position: absolute;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent overlay */
    backdrop-filter: blur(4px); /* Frosted glass effect */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--bg-color);
    padding: 30px 40px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    /* Initial state for the popUp animation */
    transform: scale(0.8);
    opacity: 0;
    animation: popUp 0.4s forwards cubic-bezier(0.175, 0.885, 0.32, 1.275); 
}

@keyframes popUp {
    to { 
        transform: scale(1); 
        opacity: 1; 
    }
}

#modal-title {
    margin: 0 0 10px 0;
    font-size: 2rem;
    letter-spacing: 1px;
}

#modal-subtitle {
    margin: 0 0 20px 0;
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.8;
}

.modal-score-box {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 25px;
    padding: 10px;
    background-color: var(--key-bg);
    border-radius: 6px;
}

#modal-btn {
    padding: 12px 24px;
    background: var(--text-color);
    color: var(--bg-color);
    border: none;
    cursor: pointer;
    font-weight: bold;
    border-radius: 6px;
    font-size: 1rem;
    transition: 0.2s;
    width: 100%;
}

#modal-btn:hover {
    opacity: 0.8;
}

/* Hide helper class */
.hidden { display: none !important; }