/* ==========================================================================
   Design Tokens — Cidades.io Portal (VPS1)
   Carregado ANTES dos demais CSS. Fornece variáveis canônicas para
   tipografia, espaçamento, sizing, sombras e transições.
   Referência: vps1-interface/public/docs/STYLE-GUIDE.md
   ========================================================================== */

:root {
    /* ─── Typography ─── */
    --fs-section-title: 1.5rem;
    --fs-card-title: 1rem;
    --fs-card-body: 0.9rem;
    --fs-meta: 0.82rem;
    --fs-badge: 0.75rem;

    --fw-section-title: 700;
    --fw-card-title: 600;
    --fw-body: 400;

    --lh-title: 1.35;
    --lh-body: 1.55;

    /* ─── Spacing ─── */
    --sp-card-pad-y: 1.25rem;
    --sp-card-pad-x: 1.5rem;
    --sp-grid-gap: 1.5rem;
    --sp-section-mb: 3.5rem;
    --sp-card-gap-internal: 0.75rem;
    --sp-card-gap-meta: 0.4rem;
    --sp-header-mb: 1.5rem;

    /* ─── Sizing ─── */
    --size-logo: 56px;
    --size-logo-compact: 48px;
    --radius-card: 16px;
    --radius-logo: 14px;
    --radius-badge: 8px;
    --grid-min-card: 300px;
    --card-min-height: 160px;

    /* ─── Elevation / Shadows (Light) ─── */
    --shadow-card: 0 1px 3px rgba(15,23,42,0.06), 0 2px 8px rgba(15,23,42,0.04);
    --shadow-card-hover: 0 6px 20px rgba(15,23,42,0.10), 0 2px 6px rgba(15,23,42,0.05);
    --border-card: 1px solid rgba(15,23,42,0.08);

    /* ─── Color Semantic Aliases ─── */
    --c-surface: var(--bs-body-bg);
    --c-surface-muted: var(--bs-tertiary-bg);
    --c-text-primary: var(--bs-body-color);
    --c-text-secondary: var(--bs-secondary-color);
    --c-text-tertiary: var(--bs-tertiary-color);
    --c-accent-distance: #0891b2;
    --c-accent-new: #16a34a;
    --c-accent-primary: var(--bs-primary);

    /* ─── Transitions ─── */
    --t-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --t-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --t-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* ─── Breakpoints (informativos, usados em @media nos consumidores) ─── */
    --bp-sm: 576px;
    --bp-md: 768px;
    --bp-lg: 992px;
    --bp-xl: 1200px;
}

/* ─── Mobile overrides ─── */
@media (max-width: 767.98px) {
    :root {
        --fs-section-title: 1.25rem;
        --fs-card-title: 0.95rem;
        --fs-card-body: 0.88rem;
        --fs-meta: 0.78rem;
        --fs-badge: 0.72rem;
        --lh-body: 1.5;

        --sp-card-pad-y: 1rem;
        --sp-card-pad-x: 1.15rem;
        --sp-grid-gap: 1rem;
        --sp-section-mb: 2.5rem;
        --sp-header-mb: 1.25rem;

        --size-logo: 48px;
        --size-logo-compact: 40px;
    }
}

/* ─── Dark mode overrides ─── */
[data-bs-theme='dark'] {
    --shadow-card: 0 1px 2px rgba(0,0,0,0.3), 0 2px 6px rgba(0,0,0,0.2);
    --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.4);
    --border-card: 1px solid rgba(255,255,255,0.08);

    --c-accent-distance: #22d3ee;
    /* c-accent-new mantém (verde tem boa legibilidade em ambos) */
}

/* ─── Mixin: .elev-card ─── */
/* Aplica sombra/hover padrão em qualquer card. Use ao invés de reinventar. */
.elev-card {
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--t-normal), transform var(--t-normal);
}
.elev-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}
.elev-card:focus-visible {
    outline: 2px solid var(--c-accent-primary);
    outline-offset: 2px;
}