/**
 * Frame News PWA — install prompt + permission card + toast.
 * Design coerente com news cards: radius 8px, shadow 4px 12px, Inter/system font.
 * Usa --frame-pwa-* CSS vars pra brandear (theme color).
 */

:root {
    --frame-pwa-bg: #ffffff;
    --frame-pwa-fg: #0c0d0a;
    --frame-pwa-muted: #5a6675;
    --frame-pwa-accent: #b6c72c;
    --frame-pwa-accent-fg: #0c0d0a;
    --frame-pwa-border: rgba(0,0,0,0.08);
    --frame-pwa-shadow: 0 6px 24px rgba(0,0,0,0.18);
    --frame-pwa-radius: 12px;
    --frame-pwa-z: 9999;
}

/* ================== BELL (atalho permanente p/ ativar notif) ================== */
/* Mesmo design e altura do .back-to-top do tema, mas no lado DIREITO */
.frame-pwa-bell {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, background-color 0.2s;
    z-index: 9999;
    -webkit-tap-highlight-color: transparent;
}
.frame-pwa-bell.is-visible {
    opacity: 1;
    visibility: visible;
}
.frame-pwa-bell:hover {
    background-color: rgba(0, 0, 0, 0.9);
}
.frame-pwa-bell svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* ================== INSTALL PROMPT ================== */
.frame-pwa-prompt {
    position: fixed;
    z-index: var(--frame-pwa-z);
    bottom: 16px;
    left: 16px;
    right: 16px;
    max-width: 420px;
    margin: 0 auto;
    background: var(--frame-pwa-bg);
    color: var(--frame-pwa-fg);
    border: 1px solid var(--frame-pwa-border);
    border-radius: var(--frame-pwa-radius);
    box-shadow: var(--frame-pwa-shadow);
    overflow: hidden;
    transform: translateY(120%);
    opacity: 0;
    transition: transform .35s cubic-bezier(0.2,0.8,0.25,1), opacity .25s ease;
    /* Mesma fonte dos cards de noticia do tema (Inter, ja enqueue global) */
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.4;
}
.frame-pwa-prompt.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.frame-pwa-prompt__inner {
    display: grid;
    grid-template-columns: 56px 1fr auto;
    gap: 12px;
    padding: 14px 14px 14px 14px;
    align-items: flex-start;
}

.frame-pwa-prompt__icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--frame-pwa-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.frame-pwa-prompt__icon img { width: 100%; height: 100%; object-fit: cover; display: block; }

.frame-pwa-prompt__body { min-width: 0; }
.frame-pwa-prompt__eyebrow {
    display: block;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--frame-pwa-muted);
    margin-bottom: 2px;
}
.frame-pwa-prompt__title {
    font-size: 15px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 8px;
    color: var(--frame-pwa-fg);
    letter-spacing: -0.01em;
}
.frame-pwa-prompt__benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.frame-pwa-prompt__benefits li {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--frame-pwa-muted);
}
.frame-pwa-check {
    display: inline-flex;
    width: 16px;
    height: 16px;
    align-items: center;
    justify-content: center;
    background: var(--frame-pwa-accent);
    color: var(--frame-pwa-accent-fg);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    font-style: normal;
}
.frame-pwa-prompt__actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.frame-pwa-prompt__ios {
    margin: 10px 0 0;
    font-size: 12px;
    color: var(--frame-pwa-muted);
    line-height: 1.4;
}
.frame-pwa-prompt__close {
    background: transparent;
    border: 0;
    color: var(--frame-pwa-muted);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 6px;
    transition: background .2s ease, color .2s ease;
}
@media (hover: hover) {
    .frame-pwa-prompt__close:hover {
        background: var(--frame-pwa-border);
        color: var(--frame-pwa-fg);
    }
}

/* ================== BOTAO ================== */
.frame-pwa-btn {
    appearance: none;
    border: 0;
    cursor: pointer;
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    transition: transform .15s ease, background .2s ease, color .2s ease;
    -webkit-tap-highlight-color: transparent;
    outline: none;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.frame-pwa-btn--primary {
    background: var(--frame-pwa-accent);
    color: var(--frame-pwa-accent-fg);
}
@media (hover: hover) {
    .frame-pwa-btn--primary:hover { filter: brightness(1.05); transform: translateY(-1px); }
}
.frame-pwa-btn--primary:active { transform: scale(.97); }
.frame-pwa-btn--ghost {
    background: transparent;
    color: var(--frame-pwa-muted);
}
@media (hover: hover) {
    .frame-pwa-btn--ghost:hover { color: var(--frame-pwa-fg); }
}
.frame-pwa-btn:focus-visible { outline: 2px solid var(--frame-pwa-accent); outline-offset: 2px; }

/* ================== PERMISSION CARD ================== */
.frame-pwa-permission {
    position: fixed;
    z-index: var(--frame-pwa-z);
    bottom: 16px;
    left: 16px;
    right: 16px;
    max-width: 420px;
    margin: 0 auto;
    background: var(--frame-pwa-bg);
    color: var(--frame-pwa-fg);
    border: 1px solid var(--frame-pwa-border);
    border-radius: var(--frame-pwa-radius);
    box-shadow: var(--frame-pwa-shadow);
    overflow: hidden;
    transform: translateY(120%);
    opacity: 0;
    transition: transform .35s cubic-bezier(0.2,0.8,0.25,1), opacity .25s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.frame-pwa-permission.is-visible { transform: translateY(0); opacity: 1; }
.frame-pwa-permission__inner {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 12px;
    padding: 14px;
    align-items: flex-start;
}
.frame-pwa-permission__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--frame-pwa-accent);
    color: var(--frame-pwa-accent-fg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.frame-pwa-permission__title {
    font-size: 15px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 6px;
    color: var(--frame-pwa-fg);
}
.frame-pwa-permission__text {
    font-size: 13px;
    color: var(--frame-pwa-muted);
    margin: 0 0 10px;
}
.frame-pwa-permission__actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ================== TOAST ================== */
.frame-pwa-toast {
    position: fixed;
    z-index: calc(var(--frame-pwa-z) + 10);
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--frame-pwa-fg);
    color: #fff;
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: calc(100vw - 48px);
}
.frame-pwa-toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Reduzir motion */
@media (prefers-reduced-motion: reduce) {
    .frame-pwa-prompt,
    .frame-pwa-permission,
    .frame-pwa-toast {
        transition: opacity .2s ease;
        transform: none !important;
    }
}

/* Dark mode opcional via prefers-color-scheme */
@media (prefers-color-scheme: dark) {
    :root {
        --frame-pwa-bg: #1a1a1a;
        --frame-pwa-fg: #f5f5f5;
        --frame-pwa-muted: #999;
        --frame-pwa-border: rgba(255,255,255,0.08);
    }
}