:root {
    --gm-sidebar-bg: #1f2733;
    --gm-sidebar-fg: #cdd5df;
    --gm-sidebar-fg-active: #ffffff;
    --gm-accent: #2563eb;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f6f8;
}

a, .btn-link {
    color: var(--gm-accent);
}

h1:focus {
    outline: none;
}

/* Layout ---------------------------------------------------------------- */
.gm-app {
    display: flex;
    min-height: 100vh;
}

.gm-sidebar {
    width: 250px;
    flex: 0 0 250px;
    background: var(--gm-sidebar-bg);
    color: var(--gm-sidebar-fg);
    display: flex;
    flex-direction: column;
}

.gm-sidebar .gm-brand {
    padding: 1rem 1.25rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: flex;
    align-items: center;
    gap: .5rem;
}

.gm-nav {
    padding: .5rem 0;
    overflow-y: auto;
}

.gm-nav .nav-section {
    padding: .75rem 1.25rem .25rem;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #7b879b;
}

.gm-nav a {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .5rem 1.25rem;
    color: var(--gm-sidebar-fg);
    text-decoration: none;
    font-size: .92rem;
}

.gm-nav a:hover {
    background: rgba(255,255,255,.06);
    color: var(--gm-sidebar-fg-active);
}

.gm-nav a.active {
    background: rgba(37,99,235,.22);
    color: #fff;
    border-left: 3px solid var(--gm-accent);
    padding-left: calc(1.25rem - 3px);
}

.gm-main {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.gm-topbar {
    height: 56px;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
}

.gm-content {
    padding: 1.5rem;
    flex: 1 1 auto;
}

/* Helpers --------------------------------------------------------------- */
.gm-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: .5rem;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.gm-json {
    background: #0d1117;
    color: #c9d1d9;
    padding: 1rem;
    border-radius: .375rem;
    font-family: "Cascadia Code", Consolas, "Courier New", monospace;
    font-size: .8rem;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 500px;
    overflow: auto;
}

.gm-help {
    font-size: .8rem;
    color: #6b7280;
    margin-top: .15rem;
}

.table-links a {
    margin-right: .35rem;
    white-space: nowrap;
}

.badge-status {
    font-size: .72rem;
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

@media (max-width: 768px) {
    .gm-app { flex-direction: column; }
    .gm-sidebar { width: 100%; flex-basis: auto; }
}