/*
 * main.css — wp-content/themes/cancao-verdadeira/assets/css/main.css
 * Gerado em: 25/05/2026 — Canção Verdadeira v1.0
 *
 * CSS visual COMPLETO do tema. Única fonte de estilos do tema filho.
 * Organizado em seções: variáveis, reset, layout, header, mobile-menu,
 * hero, cards, seções home, player fixo, rodapé, páginas específicas.
 * Interface dark inspirada no Spotify. Paleta dourado #D4A017.
 * Mobile-first: breakpoints 768px (tablet) e 480px (mobile pequeno).
 * FASE 1: variáveis globais + header desktop + header mobile.
 */

/* =============================================================
   1. VARIÁVEIS GLOBAIS — :root
   ============================================================= */
:root {
    /* Paleta principal */
    --cv-gold:          #D4A017;
    --cv-gold-bright:   #FFD700;
    --cv-gold-dark:     #A07810;
    --cv-gold-alpha:    rgba(212, 160, 23, 0.15);

    /* Fundos (dark Spotify) */
    --cv-bg:            #121212;
    --cv-bg-card:       #1E1E1E;
    --cv-bg-elevated:   #282828;
    --cv-bg-hover:      #333333;
    --cv-bg-overlay:    rgba(0, 0, 0, 0.75);

    /* Textos */
    --cv-text:          #FFFFFF;
    --cv-text-muted:    #B3B3B3;
    --cv-text-dim:      #6A6A6A;

    /* Bordas */
    --cv-border:        #333333;
    --cv-border-light:  #444444;

    /* Dimensões fixas */
    --cv-header-h:      64px;
    --cv-player-h:      72px;
    --cv-sidebar-w:     240px;
    --cv-max-width:     1280px;

    /* Tipografia */
    --cv-font-title:    'Oswald', sans-serif;
    --cv-font-ui:       'Lato', sans-serif;
    --cv-font-letra:    'EB Garamond', serif;

    /* Transições */
    --cv-transition:    0.2s ease;
    --cv-transition-slow: 0.4s ease;

    /* Raios de borda */
    --cv-radius-sm:     4px;
    --cv-radius:        8px;
    --cv-radius-lg:     12px;
    --cv-radius-full:   9999px;

    /* Sombras */
    --cv-shadow-sm:     0 2px 8px rgba(0,0,0,0.4);
    --cv-shadow:        0 4px 16px rgba(0,0,0,0.5);
    --cv-shadow-lg:     0 8px 32px rgba(0,0,0,0.6);

    /* Z-index */
    --cv-z-header:      100;
    --cv-z-player:      200;
    --cv-z-mobile-menu: 300;
    --cv-z-overlay:     250;
}

/* =============================================================
   2. RESET E BASE
   ============================================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body.cv-dark-theme {
    background-color: var(--cv-bg);
    color: var(--cv-text);
    font-family: var(--cv-font-ui);
    font-size: 16px;
    line-height: 1.6;
    /* Espaço para header fixo no topo e player fixo na base */
    padding-top: var(--cv-header-h);
    padding-bottom: var(--cv-player-h);
    min-height: 100vh;
}

/* Remove estilos padrão do Astra que conflitam */
body.cv-dark-theme a {
    color: var(--cv-gold);
    text-decoration: none;
    transition: color var(--cv-transition);
}
body.cv-dark-theme a:hover {
    color: var(--cv-gold-bright);
}

body.cv-dark-theme img {
    max-width: 100%;
    height: auto;
    display: block;
}

body.cv-dark-theme h1,
body.cv-dark-theme h2,
body.cv-dark-theme h3,
body.cv-dark-theme h4,
body.cv-dark-theme h5,
body.cv-dark-theme h6 {
    font-family: var(--cv-font-title);
    color: var(--cv-text);
    line-height: 1.2;
}

body.cv-dark-theme ul, body.cv-dark-theme ol {
    list-style: none;
}

body.cv-dark-theme button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: var(--cv-font-ui);
}

body.cv-dark-theme input,
body.cv-dark-theme textarea,
body.cv-dark-theme select {
    font-family: var(--cv-font-ui);
}

/* Screen reader only */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* =============================================================
   3. LAYOUT GLOBAL
   ============================================================= */
.cv-content-wrap {
    min-height: calc(100vh - var(--cv-header-h) - var(--cv-player-h));
}

.cv-container {
    width: 100%;
    max-width: var(--cv-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* =============================================================
   4. HEADER — DESKTOP
   ============================================================= */
.cv-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--cv-header-h);
    background: var(--cv-bg);
    border-bottom: 1px solid var(--cv-border);
    z-index: var(--cv-z-header);
    display: flex;
    align-items: center;
    /* Backdrop blur para efeito premium */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background: rgba(18, 18, 18, 0.95);
}

.cv-header__inner {
    width: 100%;
    max-width: var(--cv-max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

/* --- Hamburguer (oculto no desktop) --- */
.cv-menu-toggle {
    display: none; /* Oculto no desktop */
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--cv-text-muted);
    background: transparent;
    border-radius: var(--cv-radius-sm);
    flex-shrink: 0;
    transition: color var(--cv-transition), background var(--cv-transition);
}
.cv-menu-toggle:hover {
    color: var(--cv-text);
    background: var(--cv-bg-hover);
}
.cv-menu-toggle[aria-expanded="true"] .cv-icon-hamburger {
    display: none;
}
.cv-menu-toggle[aria-expanded="true"] .cv-icon-close {
    display: block !important;
}

/* --- Logo --- */
.cv-header__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    color: var(--cv-text);
    transition: opacity var(--cv-transition);
}
.cv-header__logo:hover {
    opacity: 0.85;
    color: var(--cv-text);
}
.cv-header__logo img {
    height: 36px;
    width: auto;
}
.cv-logo-text {
    font-family: var(--cv-font-title);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--cv-gold);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* --- Busca --- */
.cv-header__search {
    flex: 1;
    max-width: 500px;
    margin: 0 auto;
}
.cv-search-form {
    width: 100%;
}
.cv-search-form__inner {
    position: relative;
    display: flex;
    align-items: center;
}
.cv-search-icon {
    position: absolute;
    left: 12px;
    color: var(--cv-text-muted);
    pointer-events: none;
    flex-shrink: 0;
}
.cv-search-input {
    width: 100%;
    height: 40px;
    padding: 0 16px 0 40px;
    background: var(--cv-bg-elevated);
    border: 1px solid transparent;
    border-radius: var(--cv-radius-full);
    color: var(--cv-text);
    font-size: 0.875rem;
    transition: border-color var(--cv-transition), background var(--cv-transition);
    outline: none;
}
.cv-search-input::placeholder {
    color: var(--cv-text-dim);
}
.cv-search-input:focus {
    background: var(--cv-bg-hover);
    border-color: var(--cv-gold);
}

/* --- Nav principal --- */
.cv-header__nav {
    flex-shrink: 0;
}
.cv-nav__list {
    display: flex;
    align-items: center;
    gap: 4px;
}
.cv-nav__list li a,
.cv-nav__list li > a {
    display: block;
    padding: 8px 12px;
    color: var(--cv-text-muted);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: var(--cv-radius-sm);
    transition: color var(--cv-transition), background var(--cv-transition);
    white-space: nowrap;
}
.cv-nav__list li a:hover,
.cv-nav__list li.current-menu-item > a,
.cv-nav__list li.current_page_item > a {
    color: var(--cv-text);
    background: var(--cv-bg-hover);
}
.cv-nav__list li.current-menu-item > a,
.cv-nav__list li.current_page_item > a {
    color: var(--cv-gold);
}

/* --- Actions (YouTube + Login) --- */
.cv-header__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.cv-btn-youtube {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #FF0000;
    color: #FFFFFF !important;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: var(--cv-radius-full);
    transition: background var(--cv-transition), transform var(--cv-transition);
    white-space: nowrap;
}
.cv-btn-youtube:hover {
    background: #CC0000;
    color: #FFFFFF !important;
    transform: scale(1.03);
}

.cv-btn-login,
.cv-btn-conta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--cv-gold);
    color: #000000 !important;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: var(--cv-radius-full);
    transition: background var(--cv-transition), transform var(--cv-transition);
    white-space: nowrap;
}
.cv-btn-login:hover,
.cv-btn-conta:hover {
    background: var(--cv-gold-bright);
    color: #000000 !important;
    transform: scale(1.03);
}

/* =============================================================
   5. MOBILE MENU OVERLAY
   ============================================================= */
.cv-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--cv-z-mobile-menu);
    visibility: hidden;
    pointer-events: none;
}
.cv-mobile-menu.is-open {
    visibility: visible;
    pointer-events: auto;
}

/* Overlay de fundo escuro */
.cv-mobile-menu__overlay {
    position: absolute;
    inset: 0;
    background: var(--cv-bg-overlay);
    opacity: 0;
    transition: opacity var(--cv-transition-slow);
}
.cv-mobile-menu.is-open .cv-mobile-menu__overlay {
    opacity: 1;
}

/* Painel lateral deslizante */
.cv-mobile-menu__inner {
    position: absolute;
    top: 0;
    left: 0;
    width: min(320px, 90vw);
    height: 100%;
    background: var(--cv-bg-elevated);
    border-right: 1px solid var(--cv-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--cv-transition-slow);
    z-index: 1;
}
.cv-mobile-menu.is-open .cv-mobile-menu__inner {
    transform: translateX(0);
}

/* Cabeçalho do menu mobile */
.cv-mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--cv-border);
    flex-shrink: 0;
}
.cv-mobile-menu__logo {
    font-family: var(--cv-font-title);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--cv-gold) !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.cv-mobile-menu__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--cv-text-muted);
    border-radius: var(--cv-radius-sm);
    transition: color var(--cv-transition), background var(--cv-transition);
}
.cv-mobile-menu__close:hover {
    color: var(--cv-text);
    background: var(--cv-bg-hover);
}

/* Busca mobile */
.cv-mobile-menu__search {
    padding: 16px 20px;
    border-bottom: 1px solid var(--cv-border);
    flex-shrink: 0;
}
.cv-mobile-search-input {
    width: 100%;
    height: 40px;
    padding: 0 16px;
    background: var(--cv-bg-card);
    border: 1px solid var(--cv-border);
    border-radius: var(--cv-radius-full);
    color: var(--cv-text);
    font-size: 0.875rem;
    outline: none;
}
.cv-mobile-search-input:focus {
    border-color: var(--cv-gold);
}

/* Nav mobile */
.cv-mobile-menu__nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}
.cv-mobile-nav__list {
    display: flex;
    flex-direction: column;
}
.cv-mobile-nav__list li a {
    display: block;
    padding: 14px 24px;
    color: var(--cv-text-muted);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: color var(--cv-transition), background var(--cv-transition);
    border-left: 3px solid transparent;
}
.cv-mobile-nav__list li a:hover,
.cv-mobile-nav__list li.current-menu-item > a,
.cv-mobile-nav__list li.current_page_item > a {
    color: var(--cv-text);
    background: var(--cv-bg-hover);
    border-left-color: var(--cv-gold);
}

/* Actions mobile */
.cv-mobile-menu__actions {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--cv-border);
    flex-shrink: 0;
}
.cv-mobile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--cv-radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-align: center;
    transition: background var(--cv-transition), transform var(--cv-transition);
}
.cv-mobile-btn--youtube {
    background: #FF0000;
    color: #FFFFFF !important;
}
.cv-mobile-btn--youtube:hover {
    background: #CC0000;
    color: #FFFFFF !important;
}
.cv-mobile-btn--login,
.cv-mobile-btn--conta {
    background: var(--cv-gold);
    color: #000000 !important;
}
.cv-mobile-btn--login:hover,
.cv-mobile-btn--conta:hover {
    background: var(--cv-gold-bright);
    color: #000000 !important;
}

/* =============================================================
   6. MOBILE — max-width: 768px
   ============================================================= */
@media (max-width: 768px) {

    /* HEADER MOBILE: APENAS hamburguer visível */
    .cv-menu-toggle {
        display: flex !important; /* Mostra hamburguer */
    }
    .cv-header__logo {
        display: none !important; /* Oculta logo */
    }
    .cv-header__search {
        display: none !important; /* Oculta busca */
    }
    .cv-header__nav {
        display: none !important; /* Oculta nav */
    }
    .cv-header__actions {
        display: none !important; /* Oculta botões */
    }

    /* Header mobile: mais compacto */
    .cv-header__inner {
        padding: 0 16px;
        justify-content: flex-start;
    }

    /* Ajuste do padding body no mobile */
    body.cv-dark-theme {
        padding-top: var(--cv-header-h);
        padding-bottom: var(--cv-player-h);
    }
}

/* =============================================================
   7. MOBILE PEQUENO — max-width: 480px
   ============================================================= */
@media (max-width: 480px) {
    :root {
        --cv-header-h: 56px;
        --cv-player-h: 64px;
    }

    .cv-container {
        padding: 0 16px;
    }
}

/* =============================================================
   PRÓXIMAS SEÇÕES — A ser adicionadas na Fase 3+
   - Hero (front-page)
   - Cards de música
   - Seções home (mais tocadas, novas, ranking)
   - Player fixo
   - Rodapé
   - Páginas individuais (single, archive, ranking, conta)
   - Newsletter e formulário de contato
   ============================================================= */