/* ==========================================================================
   CM PLATFORM - GLOBAL LAYOUT DESIGN SYSTEM
   Standardized layout primitives for heroes, responsive grids, cards, and dialogs.
   ========================================================================== */

/* --- Hero Headers --- */
.cm-hero {
    padding: var(--cm-space-xl, 2rem) var(--cm-space-2xl, 2.5rem);
    border-radius: var(--cm-radius-lg, 12px);
    border: 1px solid var(--cm-border, rgba(148, 163, 184, 0.12));
    margin-bottom: 24px;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .cm-hero {
        padding: var(--cm-space-lg, 1.25rem) var(--cm-space-xl, 1.5rem);
    }
}

.cm-hero__title {
    font-family: var(--cm-font-display, inherit);
    font-size: var(--cm-text-3xl, 2rem);
    font-weight: 700;
    color: var(--cm-text-primary, #F8FAFC);
    margin: 0 0 6px 0;
    letter-spacing: -0.02em;
}

.cm-hero__subtitle {
    font-size: var(--cm-text-base, 1rem);
    color: var(--cm-text-secondary, #94A3B8);
    margin: 0;
    max-width: 640px;
}

/* --- Responsive Card Grids --- */
.cm-grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.cm-grid-cards--dense {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}

/* --- Surface Cards --- */
.cm-surface-card {
    background-color: var(--cm-bg-surface, #111827);
    border: 1px solid var(--cm-border, rgba(148, 163, 184, 0.12));
    border-radius: var(--cm-radius-md, 4px);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.cm-surface-card--interactive {
    cursor: pointer;
}

.cm-surface-card--interactive:hover {
    transform: translateY(-2px);
    border-color: var(--cm-accent, #3398DC);
    box-shadow: var(--cm-shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.4));
}

/* --- Dialog Actions Bar --- */
.cm-dialog-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--cm-border, rgba(148, 163, 184, 0.12));
    flex-wrap: wrap;
}