:root {
    --bg-dark: #0f172a;
    --glass: rgba(255, 255, 255, 0.05);
    --accent: #8b5cf6;
    --text: #f1f5f9;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    color: var(--text);
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.top-bar {
    width: 100%;
    padding: 15px;
    background: rgba(0,0,0,0.3);
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.game-container {
    width: 95%;
    max-width: 1100px;
    margin-top: 30px;
}

/* Horizontal Layout */
.main-layout {
    display: grid;
    grid-template-columns: 1fr; /* Stacked panels for focus */
    gap: 20px;
}

@media (min-width: 900px) {
    .main-layout { grid-template-columns: 2fr 1fr; }
}

.game-board, .history-panel {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 25px;
}

/* Big Horizontal Color Slots */
.color-slots {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 40px 0;
    padding: 20px;
    background: rgba(0,0,0,0.2);
    border-radius: 15px;
}

.color-tile {
    width: 70px;
    height: 70px;
    border-radius: 50%; /* Back to circular vibes */
    cursor: grab;
    border: 3px solid rgba(255,255,255,0.3);
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    transition: transform 0.2s;
}

.color-tile:active { transform: scale(1.1); cursor: grabbing; }

/* Buttons & Text */

.action-zone { margin-top: 20px; }
#submit-guess {
    font-size: 1.2rem;
    padding: 15px 40px;
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    border-radius: 50px;
}

.feedback-msg {
    margin-top: 15px;
    font-weight: bold;
    color: #38bdf8;
}

/* Update your existing modal styles to this */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.9); /* Dark overlay */
    display: none; /* JS will change this to 'flex' */
    align-items: center;
    justify-content: center;
    z-index: 9999; /* Higher than everything else */
}

.modal-content {
    background: #1e293b;
    padding: 3rem;
    border-radius: 24px;
    text-align: center;
    border: 2px solid var(--accent);
    box-shadow: 0 0 50px rgba(139, 92, 246, 0.4);
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.win-title {
    font-size: 2rem;
    color: #00E676; /* Success Green */
    margin-bottom: 10px;
}
/* --- UPDATED BUTTON STYLES ONLY --- */
button {
    cursor: pointer;
    border: none;
    margin-top: 10px;
    margin-bottom: 10px;
    font-family: inherit;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: white;
    background: linear-gradient(135deg, #6366f1, #a855f7); /* Vibrant Purple/Indigo Gradient */
    padding: 12px 24px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

button:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    background: #475569;
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Specific styling for the Submit button to keep your existing size but use the new vibe */
#submit-guess {
    font-size: 1.2rem;
    padding: 15px 40px;
    background: linear-gradient(135deg, #06b6d4, #3b82f6); /* Distinct Blue/Cyan for Check */
    border-radius: 50px;
}

/* Emoji/Icon buttons (like Music) should stay transparent */
.icon-emoji-btn {
    background: transparent;
    box-shadow: none;
    font-size: 1.5rem;
}

.icon-emoji-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: none;
}
/* --- STYLING THE DIFFICULTY SELECT --- */
select {
    background: var(--glass); /* Using your existing glass variable */
    color: var(--text);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 10px 15px;
    border-radius: 12px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    appearance: none; /* Removes the default arrow in some browsers */
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white' stroke='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e"); /* Adds a custom white arrow */
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 40px; /* Space for the arrow */
}

select:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--accent); /* Glows with your accent color */
}

select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

/* Styling the actual options inside the dropdown */
option {
    background-color: #1e293b; /* Matches your dark background */
    color: white;
    padding: 10px;
}

/* Adding space between the Label and the Select */
label[for="difficulty"] {
    margin-right: 12px;
    font-weight: 600;
    color: var(--text);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}