:root {
    --bg-color: #0f0f11;
    --card-bg: #1a1a1d;
    --border-color: #2a2a2f;
    --text-main: #ffffff;
    --text-muted: #8b8b93;
    --accent-color: #e5a93c;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    padding: 40px 20px;
    line-height: 1.5;
}

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

header {
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

h1 {
    font-size: 24px;
    font-weight: 600;
}

.subtitle {
    color: var(--text-muted);
    font-size: 14px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    margin-top: 20px;
}

.section-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.data-disclaimer {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 20px;
    padding: 8px 12px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    line-height: 1.4;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-tabs {
    display: flex;
    gap: 5px;
    background-color: var(--card-bg);
    padding: 4px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.nav-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    color: var(--text-main);
}

.nav-btn.active {
    background-color: #2a2a2f;
    color: var(--text-main);
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .header-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        width: 100%;
    }

    header > div:last-child {
        text-align: left !important;
        width: 100%;
    }
    
    body {
        padding: 20px 15px;
    }
}