/* ==========================================================================
   SIGA-O — PROGRESSIVE WEB APP (PWA) VISUAL COMPONENTS & ACCESSIBILITY
   Identidade Visual Oficial: #0A0A0A (Fundo), #121212 (Card), #C5A880 (Ouro)
   ========================================================================== */

/* Ocultar elementos de instalação quando já instalado em modo standalone */
html.is-pwa-standalone .pwa-install-only,
body.is-pwa-standalone .pwa-install-only {
    display: none !important;
}

/* Exibir convites de instalação ("Leve o SIGA-O com você") somente em dispositivos móveis/tablets */
@media (min-width: 992px) {
    body:not(.is-pwa-mobile-ua) .pwa-install-only {
        display: none !important;
    }
}

/* 1. Seção Principal de Instalação na Capa (Home) */
.pwa-install-section {
    position: relative;
    background: linear-gradient(180deg, #070707 0%, #0D0C0A 50%, #080808 100%);
    border-top: 1px solid rgba(197, 168, 128, 0.14);
    border-bottom: 1px solid rgba(197, 168, 128, 0.14);
    padding: 72px 0;
    overflow: hidden;
}

.pwa-install-section::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -10%;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(197, 168, 128, 0.08) 0%, rgba(10, 10, 10, 0) 70%);
    pointer-events: none;
}

.pwa-install-card {
    background: linear-gradient(145deg, rgba(20, 20, 20, 0.95) 0%, rgba(12, 12, 12, 0.98) 100%);
    border: 1px solid rgba(197, 168, 128, 0.25);
    border-radius: 16px;
    padding: 44px 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65);
    position: relative;
}

.pwa-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold, #C5A880);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-bottom: 14px;
}

.pwa-heading {
    color: #FFFFFF;
    font-family: var(--title-font, 'Plus Jakarta Sans', sans-serif);
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
    line-height: 1.25;
}

.pwa-lead {
    color: #CCCCCC;
    font-size: 1.08rem;
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 12px;
    max-width: 540px;
}

.pwa-musical-signature {
    color: var(--gold, #C5A880);
    font-size: 0.9rem;
    font-style: italic;
    letter-spacing: 0.04em;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pwa-cta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

.btn-pwa-install {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--gold, #C5A880);
    color: #0A0A0A !important;
    font-size: 0.88rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 14px 30px;
    border-radius: 8px;
    border: 1px solid var(--gold, #C5A880);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
}

.btn-pwa-install:hover,
.btn-pwa-install:focus-visible {
    background-color: var(--gold-hover, #D8BD97);
    border-color: var(--gold-hover, #D8BD97);
    color: #0A0A0A !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(197, 168, 128, 0.25);
}

.btn-pwa-dismiss {
    background: transparent;
    color: #9E9E9E;
    font-size: 0.82rem;
    font-weight: 400;
    padding: 10px 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.btn-pwa-dismiss:hover,
.btn-pwa-dismiss:focus-visible {
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.35);
}

/* Mockup artístico do celular exibindo a SIGA-O TV e música */
.pwa-phone-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.pwa-phone-frame {
    width: 250px;
    background: #080808;
    border: 2px solid rgba(197, 168, 128, 0.45);
    border-radius: 32px;
    padding: 14px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.8), 0 0 30px rgba(197, 168, 128, 0.1);
    position: relative;
    transition: transform 0.4s ease;
}

.pwa-phone-frame:hover {
    transform: translateY(-4px);
}

.pwa-phone-notch {
    width: 72px;
    height: 6px;
    background: #1E1E1E;
    border-radius: 10px;
    margin: 2px auto 12px;
}

.pwa-phone-screen {
    background: linear-gradient(180deg, #121212 0%, #090909 100%);
    border: 1px solid #1F1F1F;
    border-radius: 20px;
    padding: 18px 14px;
    text-align: center;
}

.pwa-phone-app-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    border: 1px solid rgba(197, 168, 128, 0.4);
    margin-bottom: 10px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.6);
}

.pwa-phone-caption {
    color: #FFFFFF;
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.pwa-phone-subcaption {
    color: var(--gold, #C5A880);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.pwa-phone-tv-preview {
    background: rgba(197, 168, 128, 0.08);
    border: 1px solid rgba(197, 168, 128, 0.22);
    border-radius: 10px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #E0E0E0;
    font-size: 0.74rem;
}

.pwa-equalizer {
    display: inline-flex;
    align-items: flex-end;
    gap: 3px;
    height: 14px;
}

.pwa-equalizer span {
    width: 3px;
    background-color: var(--gold, #C5A880);
    border-radius: 2px;
    animation: pwa-eq-bar 1.4s ease-in-out infinite;
}

.pwa-equalizer span:nth-child(1) { height: 6px; animation-delay: 0s; }
.pwa-equalizer span:nth-child(2) { height: 13px; animation-delay: 0.25s; }
.pwa-equalizer span:nth-child(3) { height: 9px; animation-delay: 0.5s; }
.pwa-equalizer span:nth-child(4) { height: 14px; animation-delay: 0.15s; }

@keyframes pwa-eq-bar {
    0%, 100% { transform: scaleY(0.45); }
    50% { transform: scaleY(1); }
}

/* 2. Chamada Discreta na SIGA-O TV */
.tv-pwa-install-bar {
    background: rgba(18, 18, 18, 0.92);
    border: 1px solid rgba(197, 168, 128, 0.28);
    border-radius: 8px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.tv-light-mode .tv-pwa-install-bar {
    background: #F7F4EE;
    border-color: rgba(197, 168, 128, 0.55);
}

.tv-pwa-install-text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    color: #E0E0E0;
}

.tv-light-mode .tv-pwa-install-text {
    color: #222222;
}

.tv-pwa-install-text strong {
    color: var(--gold, #C5A880);
    font-weight: 600;
}

.tv-light-mode .tv-pwa-install-text strong {
    color: #8C6D3F;
}

.btn-tv-pwa-install {
    background-color: var(--gold, #C5A880);
    color: #0A0A0A !important;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 6px 14px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
    white-space: nowrap;
}

.btn-tv-pwa-install:hover,
.btn-tv-pwa-install:focus-visible {
    background-color: var(--gold-hover, #D8BD97);
}

.btn-tv-pwa-close {
    background: transparent;
    border: none;
    color: #888888;
    font-size: 0.85rem;
    padding: 4px 6px;
    cursor: pointer;
    line-height: 1;
}

.btn-tv-pwa-close:hover,
.btn-tv-pwa-close:focus-visible {
    color: #FFFFFF;
}

/* 3. Item de Menu e Rodapé */
.nav-link-pwa-install {
    color: var(--gold, #C5A880) !important;
    border: 1px solid rgba(197, 168, 128, 0.35);
    border-radius: 50px;
    padding: 6px 14px !important;
    margin-left: 6px;
    font-size: 0.72rem !important;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-link-pwa-install:hover,
.nav-link-pwa-install:focus-visible {
    background-color: rgba(197, 168, 128, 0.14);
    color: #FFFFFF !important;
}

.footer-pwa-install-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold, #C5A880);
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid rgba(197, 168, 128, 0.3);
    border-radius: 50px;
    padding: 6px 16px;
    margin-top: 10px;
    background: rgba(197, 168, 128, 0.05);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.footer-pwa-install-link:hover,
.footer-pwa-install-link:focus-visible {
    background: var(--gold, #C5A880);
    color: #0A0A0A !important;
}

/* 4. Modal Acessível de Instruções para iPhone / iPad (iOS) */
.pwa-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 10050;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.pwa-modal-backdrop.active {
    display: flex;
}

.pwa-modal-dialog {
    width: 100%;
    max-width: 460px;
    background: #121212;
    border: 1px solid rgba(197, 168, 128, 0.38);
    border-radius: 16px;
    padding: 28px 24px;
    color: #EAEAEA;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.85);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.pwa-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: #1A1A1A;
    color: #CCCCCC;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.pwa-modal-close:hover,
.pwa-modal-close:focus-visible {
    color: #FFFFFF;
    border-color: var(--gold, #C5A880);
}

.pwa-inapp-alert {
    background: rgba(197, 168, 128, 0.14);
    border: 1px solid var(--gold, #C5A880);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 18px;
    color: #FFFFFF;
    font-size: 0.86rem;
    text-align: left;
}

.pwa-ios-steps {
    list-style: none;
    padding: 0;
    margin: 18px 0 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
}

.pwa-ios-step {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #181818;
    border: 1px solid #252525;
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 0.9rem;
    color: #E5E5E5;
}

.pwa-ios-step-num {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: rgba(197, 168, 128, 0.18);
    border: 1px solid var(--gold, #C5A880);
    color: var(--gold, #C5A880);
    font-weight: 700;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pwa-ios-step-icon {
    color: var(--gold, #C5A880);
    font-size: 1.15rem;
    margin-left: auto;
    padding-left: 8px;
}

/* 5. Toast Controlado de Nova Versão da PWA */
.pwa-update-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    left: 20px;
    max-width: 440px;
    margin: 0 auto;
    background: #141414;
    border: 1px solid var(--gold, #C5A880);
    border-radius: 12px;
    padding: 14px 18px;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.85);
    z-index: 10040;
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.pwa-update-toast.active {
    display: flex;
}

.pwa-update-text {
    color: #FFFFFF;
    font-size: 0.85rem;
    line-height: 1.4;
}

.pwa-update-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.btn-pwa-update-now {
    background: var(--gold, #C5A880);
    color: #0A0A0A;
    border: none;
    border-radius: 6px;
    padding: 7px 14px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
}

.btn-pwa-update-later {
    background: transparent;
    color: #A0A0A0;
    border: 1px solid #333333;
    border-radius: 6px;
    padding: 7px 10px;
    font-size: 0.75rem;
    cursor: pointer;
}

/* 6. Aviso de Modo Offline / Dados em Cache na Página ou TV */
.pwa-connection-banner {
    background: #1A140B;
    border-bottom: 1px solid var(--gold, #C5A880);
    color: #F2E3C9;
    font-size: 0.82rem;
    padding: 10px 16px;
    text-align: center;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    z-index: 10030;
    position: relative;
}

.pwa-connection-banner.active {
    display: flex;
}

/* Foco visível acessível para navegação por teclado */
.btn-pwa-install:focus-visible,
.btn-pwa-dismiss:focus-visible,
.btn-tv-pwa-install:focus-visible,
.btn-tv-pwa-close:focus-visible,
.nav-link-pwa-install:focus-visible,
.footer-pwa-install-link:focus-visible,
.pwa-modal-close:focus-visible,
.btn-pwa-update-now:focus-visible,
.btn-pwa-update-later:focus-visible {
    outline: 2px solid var(--gold, #C5A880) !important;
    outline-offset: 3px !important;
}

@media (max-width: 767.98px) {
    .pwa-install-section {
        padding: 48px 0;
    }
    .pwa-install-card {
        padding: 28px 20px;
        text-align: center;
    }
    .pwa-heading {
        font-size: 1.65rem;
    }
    .pwa-musical-signature {
        justify-content: center;
    }
    .pwa-cta-group {
        justify-content: center;
    }
    .nav-link-pwa-install {
        margin-left: 0;
        margin-top: 8px;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pwa-equalizer span,
    .pwa-phone-frame,
    .btn-pwa-install {
        animation: none !important;
        transition: none !important;
    }
}

/* 7. Botão AO VIVO — SIGA-O TV abaixo de "Ouça uma Canção" na Hero (Mobile / PWA) */
.btn-siga-o-tv-hero {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(46, 204, 113, 0.45) !important;
    background: rgba(10, 10, 10, 0.65) !important;
    color: #2ecc71 !important;
    padding: 12px 28px;
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    backdrop-filter: blur(6px);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}

.btn-siga-o-tv-hero:hover,
.btn-siga-o-tv-hero:focus-visible {
    border-color: #2ecc71 !important;
    background: rgba(46, 204, 113, 0.14) !important;
    color: #2ecc71 !important;
    box-shadow: 0 0 18px rgba(46, 204, 113, 0.3);
    transform: translateY(-1px);
}