/* ==========================================================================
   Concrator Design System — Admin Layout (sidebar + content)
   ========================================================================== */

.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* ---------- Sidebar ---------------------------------------------------- */

.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
}

.admin-brand {
    padding: 0 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 1rem;
}

.admin-brand a {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.admin-nav {
    list-style: none;
    flex: 1;
}

.admin-nav li a {
    display: block;
    padding: 0.625rem 1.25rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all 0.15s;
}

.admin-nav li a:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

.admin-nav-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-nav-footer a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
}

.admin-nav-footer a:hover {
    color: var(--color-text);
}

.admin-nav-footer button {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    cursor: pointer;
    text-align: left;
    padding: 0;
}

.admin-nav-footer button:hover {
    color: var(--color-danger);
}

/* ---------- Content Area ----------------------------------------------- */

.admin-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem;
}

.admin-content h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.admin-content h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
}