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

:root {
    --color-primary: #1a73e8;
    --color-primary-dark: #1557b0;
    --color-text: #202124;
    --color-text-light: #5f6368;
    --color-border: #dadce0;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-success: #0f9d58;
    --color-info: #1e40af;
    --color-dark-bg: #3c4043;
    --color-dark-text: #ffffff;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
    --shadow-md: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg-alt);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

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

.logo-img {
    height: 40px;
}

.nav {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
}

.nav-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.main {
    padding: 32px 0 80px;
}

.entity-header {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.entity-flag svg {
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.entity-info {
    flex: 1;
}

.entity-name {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 8px;
}

.entity-meta {
    display: flex;
    gap: 16px;
    align-items: center;
}

.entity-lei {
    font-size: 14px;
    color: var(--color-text-light);
    font-family: monospace;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.status-active {
    background: #e6f4ea;
    color: var(--color-success);
}

.tabs {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.tab-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-light);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
}

.tab-item:hover {
    background: var(--color-bg-alt);
}

.tab-item.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
}

.card-subtitle {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 12px;
}

.card-dark {
    background: var(--color-dark-bg);
    color: var(--color-dark-text);
    border: none;
}

.card-dark-title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
}

.card-dark-text {
    font-size: 14px;
    color: rgba(255,255,255,0.87);
    margin-bottom: 20px;
    line-height: 1.6;
}

.data-table {
    display: flex;
    flex-direction: column;
}

.data-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.data-row:last-child {
    border-bottom: none;
}

.data-label {
    font-size: 14px;
    color: var(--color-text-light);
}

.data-value {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.code-box {
    font-family: monospace;
    font-size: 13px;
    background: var(--color-bg-alt);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.btn-copy {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    color: var(--color-text-light);
    cursor: pointer;
}

.btn-copy:hover {
    background: var(--color-border);
}

.btn-primary {
    display: inline-block;
    background: var(--color-bg);
    color: var(--color-text);
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.3);
}

.btn-certificate {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 12px 32px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
}

.btn-certificate:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
}

.certificate-widget {
    text-align: center;
    padding: 32px;
    background: var(--color-bg-alt);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
}

.certificate-icon {
    margin: 0 auto 16px;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
}

.certificate-icon-lei {
    background: #10b981;
}

.certificate-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.certificate-desc {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.certificate-divider {
    height: 1px;
    background: var(--color-border);
    margin: 32px 0;
}

.sidebar-card {
    display: none;
}

.sidebar-card.show {
    display: block;
}

.info-text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.seo-content {
    margin-top: 48px;
}

.seo-subtitle {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 12px;
}

.seo-text {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer {
    background: #1f2937;
    color: #d1d5db;
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.footer-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    color: #9ca3af;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #d1d5db;
    font-size: 14px;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-info {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 8px;
}

/* Loading & Error States */
.loading-container {
    text-align: center;
    padding: 80px 20px;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e5e7eb;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-container {
    text-align: center;
    padding: 80px 20px;
}

.error-container h2 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--color-text);
}

.error-container p {
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.btn-back {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 500;
    text-decoration: none;
}

.btn-back:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
}

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .entity-header {
        flex-direction: column;
    }

    .entity-name {
        font-size: 24px;
    }

    .data-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}