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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    color: #374151;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    color: #ffffff;
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.header-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.header-subtitle {
    font-size: 1rem;
    font-weight: 400;
    color: #94a3b8;
}

.main {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
}

.report-card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 1100px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.report-info {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #e5e7eb;
}

.report-badge {
    display: inline-block;
    background-color: #dbeafe;
    color: #1d4ed8;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.report-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.report-hint {
    font-size: 0.85rem;
    color: #6b7280;
    font-style: italic;
}

.report-iframe-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #f9fafb;
}

.report-iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.report-footer {
    padding: 0.75rem 2rem;
    border-top: 1px solid #e5e7eb;
    text-align: right;
    font-size: 0.8rem;
    color: #9ca3af;
}

.footer {
    background-color: #0f172a;
    color: #64748b;
    text-align: center;
    padding: 1rem 1.5rem;
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .header {
        padding: 1.5rem 1rem;
    }

    .header-title {
        font-size: 1.5rem;
    }

    .report-info {
        padding: 1rem 1.25rem;
    }

    .main {
        padding: 1rem 0.75rem;
    }

    .report-card {
        border-radius: 8px;
    }
}