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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: #0d1117;
    color: #e6edf3;
    min-height: 100vh;
    padding: 0;
    padding-top: 208px;
}

/* ---------- Navigation Bar ---------- */
.nav-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 14px 24px;
    background: #161b22;
    border-bottom: 1px solid #2a3138;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 118px;
}

/* breathing room: blank line under the brand stack, blank lines below the bar */
.nav-license { margin-bottom: 16px; }
.nav-bar { height: 208px; }

.nav-brand {
    font-size: 18px;
    font-weight: 700;
    color: #f0b90b;
    text-decoration: none;
    white-space: nowrap;
    position: fixed;
    top: 10px;
    left: 24px;
    z-index: 1001;
}

.nav-brand:hover {
    opacity: 0.85;
}

.nav-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.nav-link {
    padding: 8px 14px;
    background: #1e2329;
    color: #e6edf3;
    border: 1px solid #30363d;
    border-radius: 6px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.15s;
}

.nav-link:hover {
    background: #f0b90b;
    color: #0d1117;
    border-color: #f0b90b;
}

.nav-link.active {
    background: #f0b90b;
    color: #0d1117;
    border-color: #f0b90b;
}

/* ---------- Page Content ---------- */
.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

.page-title {
    font-size: 26px;
    color: #f0b90b;
    margin-bottom: 8px;
}

.page-subtitle {
    color: #8b949e;
    font-size: 14px;
    margin-bottom: 24px;
}

/* ---------- Cards ---------- */
.card {
    background: #1e2329;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    border: 1px solid #2a3138;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: #e6edf3;
    margin-bottom: 12px;
}

/* ---------- Tables ---------- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid #30363d;
    color: #8b949e;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
}

.data-table td {
    padding: 10px;
    border-bottom: 1px solid #21262d;
}

.data-table tr:hover {
    background: #161b22;
}

/* ---------- Values ---------- */
.value-positive { color: #4ade80; }
.value-negative { color: #f87171; }
.value-neutral { color: #f0b90b; }
.value-muted { color: #8b949e; }

/* ---------- Loading ---------- */
.loading {
    text-align: center;
    padding: 40px;
    color: #8b949e;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #30363d;
    border-top-color: #f0b90b;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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

/* ---------- Buttons ---------- */
.btn {
    padding: 10px 18px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: opacity 0.15s;
}

.btn:hover:not(:disabled) { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: #f0b90b; color: #0d1117; }
.btn-secondary { background: #30363d; color: #e6edf3; }

/* ---------- Responsive ---------- */

/* ---------- Hamburger (mobile) ---------- */
.nav-hamburger {
    display: none;
    background: #1e2329;
    border: 1px solid #30363d;
    color: #e6edf3;
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    padding: 8px 14px;
    border-radius: 8px;
    font-family: inherit;
    line-height: 1;
    min-height: 44px;
    position: fixed;
    top: 8px;
    right: 16px;
    z-index: 1002;
}
.nav-hamburger:focus { outline: none; border-color: #f0b90b; }
.nav-hamburger.open { background: #f0b90b; color: #0d1117; }

.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}
.nav-overlay.open { display: block; }

@media (max-width: 768px) {
    body { padding-top: 70px; }

    .nav-bar {
        padding: 12px 16px;
        height: 70px;
        align-items: center;
        justify-content: flex-start;
        flex-direction: row;
    }

    .nav-brand {
        position: static;
        font-size: 16px;
        max-width: calc(100% - 70px);
        overflow: hidden;
        text-overflow:: ellipsis;
    }

    .nav-hamburger { display: block; }

    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 4px;
        padding: 12px;
        background: #161b22;
        border-bottom: 1px solid #2a3138;
        z-index: 1000;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    .nav-links.open { display: flex; }

    .nav-link {
        padding: 14px 16px;
        font-size: 15px;
        text-align: left;
        width: 100%;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .page-content { padding: 16px; }

    /* Touch targets */
    .btn { min-height: 44px; padding: 12px 18px; font-size: 15px; }
    .btn-mini { min-height: 36px; padding: 8px 14px; }
}

@media (max-width: 480px) {
    .nav-brand { font-size: 15px; }
    .nav-brand .nav-tagline { display: none; }
    .page-content { padding: 12px; }
}