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

:root {
    --primary: #8a2be2;
    --secondary: #4a00e0;
    --accent: #00d2ff;
    --dark: #121212;
    --darker: #0a0a0a;
    --light: #f5f5f7;
    --gray: #2a2a2a;
    --transition: all 0.4s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--darker), var(--dark));
    color: var(--light);
    min-height: 100vh;
    overflow-x: hidden;
    padding: 10px;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(138, 43, 226, 0.15), transparent 70%);
    z-index: -1;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 15px;
}

header {
    text-align: center;
    padding: 30px 0;
    position: relative;
    overflow: hidden;
}

.logo {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 10px;
    animation: pulse 2s infinite;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 8px;
    text-shadow: 0 3px 10px rgba(0, 210, 255, 0.2);
}

.subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: #aaa;
    max-width: 90%;
    margin: 0 auto 20px;
}

.filter-container {
    max-width: 100%;
    margin: 0 auto 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.filter-select {
    padding: 10px 15px;
    font-size: 0.9rem;
    border-radius: 20px;
    border: 2px solid rgba(138, 43, 226, 0.3);
    background: rgba(20, 20, 20, 0.7);
    color: white;
    backdrop-filter: blur(8px);
    transition: var(--transition);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 200px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 3px 15px rgba(138, 43, 226, 0.4);
}

.stats {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.stat-card {
    background: rgba(30, 30, 40, 0.6);
    border-radius: 10px;
    padding: 15px 20px;
    min-width: 120px;
    text-align: center;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(138, 43, 226, 0.2);
    transition: var(--transition);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow: 0 8px 20px rgba(138, 43, 226, 0.3);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 3px;
}

.stat-label {
    font-size: 0.8rem;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.qa-container {
    margin-bottom: 40px;
}

.qa-item {
    background: rgba(25, 25, 35, 0.7);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid rgba(138, 43, 226, 0.2);
    backdrop-filter: blur(8px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.question {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--light);
    margin-bottom: 8px;
    position: relative;
    padding-left: 35px;
}

.question::before {
    content: "Q";
    display: inline-block;
    width: 25px;
    height: 25px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 25px;
    position: absolute;
    left: 0;
    top: 0;
}

.question-meta {
    font-size: 0.8rem;
    color: #aaa;
    margin-bottom: 10px;
}

.answer {
    font-size: 0.9rem;
    line-height: 1.5;
    color: #ccc;
    padding-left: 35px;
}

.footer {
    text-align: center;
    padding: 20px 0;
    color: #777;
    font-size: 0.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 20px;
}

.made-with {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    color: var(--accent);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(138, 43, 226, 0.3);
    animation: float 8s infinite ease-in-out;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Tablet and smaller */
@media (max-width: 768px) {
    body {
        padding: 8px;
    }

    .container {
        max-width: 100%;
        padding: 10px;
    }

    header {
        padding: 20px 0;
    }

    .logo {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }

    h1 {
        font-size: 2.2rem;
        margin-bottom: 6px;
    }

    .subtitle {
        font-size: 0.95rem;
        margin-bottom: 15px;
    }

    .filter-container {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 20px;
    }

    .filter-select {
        max-width: 100%;
        font-size: 0.85rem;
        padding: 8px 12px;
        border-radius: 15px;
    }

    .stats {
        gap: 10px;
        margin-bottom: 20px;
    }

    .stat-card {
        min-width: 100px;
        padding: 10px 15px;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .qa-container {
        margin-bottom: 30px;
    }

    .qa-item {
        padding: 12px;
        margin-bottom: 12px;
    }

    .question {
        font-size: 1rem;
        padding-left: 30px;
    }

    .question::before {
        width: 22px;
        height: 22px;
        line-height: 22px;
        font-size: 0.9rem;
    }

    .question-meta {
        font-size: 0.75rem;
    }

    .answer {
        font-size: 0.85rem;
        padding-left: 30px;
    }

    .footer {
        padding: 15px 0;
        font-size: 0.75rem;
    }

    .made-with {
        gap: 6px;
        margin-top: 6px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    body {
        padding: 5px;
    }

    .container {
        padding: 8px;
    }

    header {
        padding: 15px 0;
    }

    .logo {
        font-size: 1.5rem;
        margin-bottom: 5px;
    }

    h1 {
        font-size: 1.8rem;
        margin-bottom: 5px;
    }

    .subtitle {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }

    .filter-container {
        gap: 6px;
        margin-bottom: 15px;
    }

    .filter-select {
        font-size: 0.8rem;
        padding: 6px 10px;
        border-radius: 12px;
    }

    .stats {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .stat-card {
        min-width: 80%;
        padding: 8px 12px;
    }

    .stat-value {
        font-size: 1.3rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    .qa-item {
        padding: 10px;
        margin-bottom: 10px;
    }

    .question {
        font-size: 0.95rem;
        padding-left: 28px;
    }

    .question::before {
        width: 20px;
        height: 20px;
        line-height: 20px;
        font-size: 0.8rem;
    }

    .question-meta {
        font-size: 0.7rem;
    }

    .answer {
        font-size: 0.8rem;
        padding-left: 28px;
    }

    .footer {
        padding: 12px 0;
        font-size: 0.7rem;
    }

    .made-with {
        gap: 5px;
        margin-top: 5px;
    }

    ::-webkit-scrollbar {
        width: 6px;
    }
}