body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 14px;
}

/* ---------- Auth (login) ---------- */
.auth-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 20%, rgba(238, 77, 45, 0.12), transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(238, 77, 45, 0.08), transparent 40%),
        var(--color-bg);
}

.auth-wrapper {
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-4);
}

.auth-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8) var(--spacing-6);
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.auth-logo h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.auth-logo h1 span {
    color: var(--color-primary);
}

.auth-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
    font-size: 13px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

/* ---------- App shell (admin) ---------- */
.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--topbar-height) 1fr;
    grid-template-areas:
        "sidebar topbar"
        "sidebar main";
    min-height: 100vh;
}

.app-sidebar {
    grid-area: sidebar;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.app-topbar {
    grid-area: topbar;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-5);
}

.app-main {
    grid-area: main;
    padding: var(--spacing-6);
    overflow-y: auto;
    max-height: calc(100vh - var(--topbar-height));
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-5);
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

.page-title {
    font-size: 20px;
    font-weight: 700;
}

.page-subtitle {
    color: var(--color-text-secondary);
    font-size: 13px;
    margin-top: 2px;
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
        grid-template-areas:
            "topbar"
            "main";
    }

    .app-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: var(--sidebar-width);
        z-index: 40;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .app-sidebar.is-open {
        transform: translateX(0);
    }
}