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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: #0f0f23;
    color: #e0e0e0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: #e94560;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

header {
    background: #16213e;
    border-bottom: 2px solid #e94560;
    padding: 0 2rem;
}

nav {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: #e94560;
    letter-spacing: 0.5px;
}

.nav-logo:hover {
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: #ccc;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: #e94560;
    text-decoration: none;
}

main {
    flex: 1;
    padding: 2rem 1rem;
}

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

h1 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.3rem;
    color: #e94560;
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.intro {
    color: #aaa;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.hint {
    color: #888;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.card {
    background: #1a1a2e;
    border: 1px solid #2a2a4a;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-card {
    max-width: 500px;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: #ccc;
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.form-group input[type="email"],
.form-group input[type="text"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: #0f0f23;
    border: 1px solid #2a2a4a;
    border-radius: 4px;
    color: #e0e0e0;
    font-size: 0.95rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #e94560;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.4rem;
}

.radio-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.15s;
}

.btn:hover {
    opacity: 0.85;
    text-decoration: none;
}

.btn-primary {
    background: #e94560;
    color: #fff;
}

.btn-secondary {
    background: #2a2a4a;
    color: #ccc;
}

.button-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.status-banner {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.status-validated {
    background: #1b4332;
    border: 1px solid #2d6a4f;
    color: #95d5b2;
}

.status-anonymous {
    background: #2a2a4a;
    border: 1px solid #3a3a5a;
    color: #aaa;
}

.status-warning {
    background: #4a2c00;
    border: 1px solid #e94560;
    color: #ffc107;
    font-weight: 600;
}

.error-banner {
    background: #4a1c1c;
    border: 1px solid #e94560;
    color: #ff8a8a;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.challenge-item {
    margin-bottom: 1rem;
}

.challenge-icon {
    font-size: 1.3rem;
    margin-right: 0.3rem;
}

.auth-notice {
    color: #888;
    font-size: 0.9rem;
}

.honesty-notice {
    border-color: #3a3a5a;
    background: #12122a;
}

.question {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.result-message {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.result-message.success {
    background: #1b4332;
    border: 1px solid #2d6a4f;
    color: #95d5b2;
}

.result-message.error {
    background: #4a1c1c;
    border: 1px solid #e94560;
    color: #ff8a8a;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #1a1a2e;
    border: 1px solid #2a2a4a;
    border-radius: 8px;
    overflow: hidden;
}

thead {
    background: #16213e;
}

th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.85rem;
    color: #e94560;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

td {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    border-top: 1px solid #2a2a4a;
}

tbody tr:hover {
    background: #16213e;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.badge-yes {
    background: #1b4332;
    color: #95d5b2;
}

.badge-no {
    background: #4a1c1c;
    color: #ff8a8a;
}

.back-link {
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

footer {
    text-align: center;
    padding: 1.5rem;
    color: #555;
    font-size: 0.8rem;
    border-top: 1px solid #1a1a2e;
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.5rem;
    }

    nav {
        padding: 0 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .button-group {
        flex-direction: column;
    }

    .radio-group {
        flex-direction: column;
        gap: 0.5rem;
    }
}