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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-green: #2ea043;
    --accent-green-hover: #3fb950;
    --accent-dark: #1a1f26;
    --danger: #da3633;
    --danger-hover: #f85149;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    flex: 1;
    width: 100%;
    padding: 0 20px;
}

header {
    text-align: center;
    padding: 60px 20px 40px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 600;
}

header h1 i {
    color: var(--accent-green);
    margin-right: 10px;
}

header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.auth-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin: 30px 0;
}

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.input-group input {
    flex: 1;
    min-width: 200px;
    padding: 12px 15px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s;
}

.input-group input::placeholder {
    color: var(--text-secondary);
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(46, 160, 67, 0.1);
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--accent-green);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 160, 67, 0.3);
}

.btn-danger {
    background: var(--danger);
    color: white;
    padding: 8px 16px;
    font-size: 0.9rem;
}

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

.btn:disabled {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
}

.info {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
}

.info i {
    color: var(--accent-green);
}

.info a {
    color: var(--accent-green);
    text-decoration: none;
}

.info a:hover {
    text-decoration: underline;
}

.loading {
    text-align: center;
    padding: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin: 20px 0;
}

.loading p {
    color: var(--text-secondary);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error {
    background: rgba(218, 54, 51, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
}

.error i {
    margin-right: 5px;
}

.hidden {
    display: none;
}

.results {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin: 20px 0;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-3px);
}

.stat-card h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-card h3 i {
    color: var(--accent-green);
    margin-right: 5px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-green);
}

.users-section {
    margin-bottom: 40px;
}

.users-section:last-child {
    margin-bottom: 0;
}

.users-section h2 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.users-list {
    display: grid;
    gap: 15px;
}

.user-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s;
}

.user-card:hover {
    border-color: var(--accent-green);
    transform: translateX(5px);
}

.user-card.private-profile {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    opacity: 0.6;
}

.user-card.private-profile:hover {
    border-color: var(--text-secondary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar.grayscale {
    filter: grayscale(100%);
    opacity: 0.6;
}

.user-details h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 3px;
}

.user-details a {
    color: var(--accent-green);
    text-decoration: none;
    font-size: 0.9rem;
}

.user-details a:hover {
    text-decoration: underline;
}

.user-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.status {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status.success {
    background: rgba(46, 160, 67, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.status.error {
    background: rgba(218, 54, 51, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

@media (max-width: 600px) {
    header h1 {
        font-size: 1.8rem;
    }

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

    .user-card {
        flex-direction: column;
        gap: 15px;
    }

    .user-actions {
        width: 100%;
        justify-content: center;
    }
}

/* Footer Styles */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 25px 20px;
    margin-top: auto;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    font-size: 0.9rem;
    margin-bottom: 15px;
    opacity: 0.9;
    font-weight: 400;
}

.footer-text strong {
    font-weight: 500;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background: var(--bg-primary);
    transform: translateY(-3px);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 15px;
    font-weight: 300;
}

@media (max-width: 600px) {
    .footer {
        padding: 20px 15px;
    }

    .footer-text {
        font-size: 0.85rem;
    }

    .social-links {
        gap: 12px;
    }

    .social-link {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }

    .footer-copyright {
        font-size: 0.75rem;
    }
}