/* @tailwind base;
@tailwind components;
@tailwind utilities;
 */
:root {
    --bg: #0d1117;
    --text: #e6e6e6;
    --score-text: #e6e6e6;
    --card-bg: #161b22;
    --nav-bg: linear-gradient(270deg, #8A2BE2, #00BFFF, #00FFD1);
    --glow-color: rgba(138, 43, 226, 0.7);
    --stats-bg: #2b3036;
    --stats-border: #30363d;
    --correct-bg: #1f3b20;
    --correct-border: #2c592d;
    --wrong-bg: #4a2123;
    --wrong-border: #6d2c2f;
    --user-correct-bg: #1f3b20;
    --user-correct-border: #2c592d;
    --user-wrong-bg: #4a2123;
    --user-wrong-border: #6d2c2f;
    --google-btn-bg: #4285f4;
    --google-btn-hover: #357ae8;
}

body.dark {
    --bg: #f8f8f8;
    --text: #222;
    --score-text: #222;
    --card-bg: #fff;
    --nav-bg: linear-gradient(270deg, #00f6ff, #00ff99, #ff00ff);
    --glow-color: rgba(0, 246, 255, 0.7);
    --stats-bg: #e9ecef;
    --stats-border: #adb5bd;
    --correct-bg: #d4edda;
    --correct-border: #c3e6cb;
    --wrong-bg: #f8d7da;
    --wrong-border: #f5c6cb;
    --user-correct-bg: #d4edda;
    --user-correct-border: #c3e6cb;
    --user-wrong-bg: #f8d7da;
    --user-wrong-border: #f5c6cb;
    --google-btn-bg: #4285f4;
    --google-btn-hover: #357ae8;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background 0.3s, color 0.3s;
}
.explanation-image {
    width: 100%;
    height: auto;
    border-radius: 0.375rem;
    margin-top: 10px;
    display: block;
}

body.dark .explanation-image {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Navbar links cyber style */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--nav-bg);
    background-size: 300% 300%;
    animation: navAnim 8s linear infinite;
    color: #fff;
    box-shadow: 0 4px 15px var(--glow-color);
    z-index: 10;
}

@keyframes navAnim {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.navbar .brand {
    font-size: 1.4rem;
    font-weight: bold;
    text-shadow: 0 0 5px #fff, 0 0 10px var(--glow-color);
}

.navbar .nav-links {
    display: flex;
    gap: 15px;
}

/* Nav Link Buttons */
.nav-links a {
    display: block;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 9999px;
    /* Fully rounded */
    transition: all 0.3s ease;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
    text-shadow: none;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--glow-color), 0 0 20px var(--glow-color);
}
#themeToggle {
    background: none;
    border: 2px solid var(--text);
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text);
    box-shadow: 0 0 5px var(--text);
    transition: box-shadow 0.3s, transform 0.3s;
}

#themeToggle:hover {
    box-shadow: 0 0 10px var(--text), 0 0 20px var(--glow-color);
    transform: scale(1.1);
}

.nav-toggle {
    display: none;
    font-size: 2rem;
    cursor: pointer;
    z-index: 20;
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        justify-content: space-between;
        position: relative;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--nav-bg);
        flex-direction: column;
        padding: 1rem 0;
        transform: translateY(-100%) scaleY(0);
        transform-origin: top;
        transition: transform 0.3s ease-out;
        z-index: 5;
    }

    .nav-links.active {
        transform: translateY(0) scaleY(1);
    }

    .nav-links li {
        width: 100%;
        text-align: center;
        padding: 0.5rem 0;
    }

    .nav-links a {
        border: none;
        width: 80%;
        margin: 0 auto;
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-toggle {
        display: block;
    }
}


/* Set buttons cyber style */
.set-btn {
    position: relative;
    display: inline-block;
    padding: 10px 20px;
    color: var(--text);
    font-family: 'Orbitron', sans-serif, 'Courier New', monospace;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
    overflow: hidden; /* Contain effect within the button */
}

.set-btn:hover {
    color: #0ff;
    border-color: #0ff;
    box-shadow: 0 0 6px #0ff, 0 0 10px #0ff inset; /* Further reduced spread */
    transform: scale(1.05);
}

.set-btn.selected {
    background: var(--correct-bg);
    border-color: #0ff;
    box-shadow: 0 0 6px rgba(0, 255, 0, 0.5); /* Reduced spread */
    color: var(--text);
}

.set-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(0,255,255,0.5), transparent); /* Slightly reduced opacity */
    transition: 0.5s;
    z-index: -1;
}

.set-btn:hover::before {
    left: 100%;
}


.exam-container {
    max-width: 800px;
    margin: 30px auto;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border: 1px solid var(--stats-border);
    @apply rounded-lg shadow-lg;
}

.exam-container.results {
    text-align: center;
    padding: 2rem;
}

.exam-info-box {
    background: var(--stats-bg);
    border: 1px solid var(--stats-border);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
    @apply rounded-lg shadow-md;
    overflow: hidden; /* Contain set-btn effects */
}
/* .floating-timer {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px 15px;
    background-color: white;
    border-radius: 0.375rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 1rem;
    font-weight: 500;
    z-index: 1000;
}
body.dark .floating-timer {
    background-color: #2d2d2d;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    color: #e0e0e0;
} */
.floating-timer {
    position: fixed;
    font-size: 1.2rem;
    margin-bottom: 20px;
    top: 60px;
    right: 20px;
    border-radius: 0.375rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: right;
    font-weight: bold;
    color: var(--text);
    z-index: 1000;
}

.question-card {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border: 1px solid var(--stats-border);
    @apply rounded-lg shadow-md;
}

.question-card.review {
    background: var(--stats-bg);
    border: 1px solid var(--stats-border);
}

.question-card img {
    max-width: 100%;
    border-radius: 8px;
    margin-bottom: 12px;
}

.options label {
    display: block;
    padding: 8px 12px;
    margin: 6px 0;
    border-radius: 6px;
    background: #333;
    cursor: pointer;
    transition: 0.3s;
    color: var(--text);
}

body.dark .options label {
    background: #eee;
}

.options input:checked + label {
    background: linear-gradient(270deg, #00f6ff, #00ff99, #ff00ff);
    color: #fff;
}

.submit-btn {
    background: linear-gradient(45deg, #00BFFF, #8A2BE2);
    color: white;
    padding: 1rem 2rem;
    font-weight: bold;
    border-radius: 9999px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block;
    margin: 20px auto;
    @apply font-semibold;
}

.submit-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
}

.score-box {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem;
    margin: 2rem auto;
    border: 2px solid var(--glow-color);
    border-radius: 50%;
    background: linear-gradient(145deg, rgba(0, 191, 255, 0.1), rgba(138, 43, 226, 0.1));
    box-shadow: 0 0 15px var(--glow-color), 0 0 30px var(--glow-color);
    animation: pulse-glow 2s infinite alternate;
}

@keyframes pulse-glow {
    from { box-shadow: 0 0 15px var(--glow-color), 0 0 30px var(--glow-color); }
    to { box-shadow: 0 0 20px var(--glow-color), 0 0 40px var(--glow-color), 0 0 60px var(--glow-color); }
}

.grid > div {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--stats-border);
    @apply rounded-md p-3;
}

.correct-answer-box {
    padding: 12px;
    border-radius: 8px;
    margin-top: 8px;
    font-weight: 500;
    background: var(--correct-bg);
    border: 1px solid var(--correct-border);
}

.user-answer-box {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-weight: 500;
}

.user-answer-box.correct {
    background: var(--user-correct-bg);
    border: 1px solid var(--user-correct-border);
}

.user-answer-box.wrong {
    background: var(--user-wrong-bg);
    border: 1px solid var(--user-wrong-border);
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    margin-top: 20px;
}

.leaderboard-table th,
.leaderboard-table td {
    padding: 12px;
    border-bottom: 1px solid var(--stats-border);
    background: var(--stats-bg);
}

.leaderboard-table th {
    font-weight: bold;
}

.google-btn {
    background: var(--google-btn-bg);
    color: white;
    padding: 1rem 2rem;
    font-weight: bold;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px auto;
    transition: background 0.3s ease;
}

.google-btn:hover {
    background: var(--google-btn-hover);
}