/* =========================================================
   ALFA MUSIC — Estilos da plataforma
   Visual moderno estilo streaming, leve e responsivo.
   ========================================================= */

:root {
    --alfa-primary: #1DB954;
    --alfa-bg: #0b0b0d;
    --alfa-bg-elevated: #161618;
    --alfa-bg-card: #181818;
    --alfa-bg-card-hover: #232323;
    --alfa-text: #ffffff;
    --alfa-text-muted: #b3b3b3;
    --alfa-border: #2a2a2a;
    --alfa-radius: 10px;
    --alfa-sidebar-width: 240px;
    --alfa-player-height: 78px;
}

/* =========================================================
   APP SHELL — documento em tela cheia (sem header/footer do tema)
   ========================================================= */
html:has(body.alfa-app-body) { background: var(--alfa-bg); }

body.alfa-app-body {
    margin: 0;
    padding: 0;
    background: var(--alfa-bg);
    color: var(--alfa-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
}

/* Compatibilidade com a barra de admin do WordPress (usuários logados) */
body.alfa-app-body.admin-bar .alfa-app-shell { min-height: calc(100vh - 32px); }
@media (max-width: 782px) {
    body.alfa-app-body.admin-bar .alfa-app-shell { min-height: calc(100vh - 46px); }
}

.alfa-app-shell {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* ---------- Sidebar ---------- */
.alfa-sidebar {
    width: var(--alfa-sidebar-width);
    flex-shrink: 0;
    background: #000000;
    display: flex;
    flex-direction: column;
    padding: 20px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    box-sizing: border-box;
    z-index: 500;
}
.alfa-sidebar-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 800;
    color: var(--alfa-text);
    text-decoration: none;
    padding: 8px 8px 20px;
    letter-spacing: -.02em;
}
.alfa-sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.alfa-nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--alfa-text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 11px 10px;
    border-radius: 6px;
    transition: color .15s ease, background .15s ease;
}
.alfa-nav-link:hover { color: var(--alfa-text); background: rgba(255,255,255,.06); }
.alfa-nav-link.is-active { color: var(--alfa-text); background: rgba(255,255,255,.1); }
.alfa-nav-icon { font-size: 17px; width: 20px; text-align: center; }

.alfa-sidebar-search {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--alfa-bg-card);
    border: 1px solid var(--alfa-border);
    border-radius: 20px;
    padding: 8px 12px;
}
.alfa-sidebar-search input[type="search"] {
    background: none; border: none; outline: none; color: var(--alfa-text);
    font-size: 13px; width: 100%;
}
.alfa-sidebar-search input[type="search"]::placeholder { color: var(--alfa-text-muted); }
.alfa-search-icon { font-size: 13px; opacity: .7; }

.alfa-sidebar-spacer { flex: 1; }
.alfa-sidebar-footer { font-size: 11px; color: var(--alfa-text-muted); padding: 10px 8px 0; }

.alfa-sidebar-toggle {
    display: none;
    position: fixed; top: 12px; left: 12px; z-index: 700;
    width: 40px; height: 40px; border-radius: 8px; border: none;
    background: rgba(20,20,20,.85); backdrop-filter: blur(6px);
    flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    cursor: pointer;
}
.alfa-sidebar-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 2px; }
.alfa-sidebar-overlay { display: none; }

/* ---------- Área principal ---------- */
.alfa-main { flex: 1; min-width: 0; overflow-y: auto; height: 100vh; }
.alfa-main-inner {
    padding: 28px clamp(16px, 4vw, 48px) calc(var(--alfa-player-height) + 40px);
    max-width: 1400px;
    margin: 0 auto;
}
.alfa-main-inner * { box-sizing: border-box; }

@media (max-width: 900px) {
    .alfa-sidebar-toggle { display: flex; }
    .alfa-sidebar {
        position: fixed; left: 0; top: 0; height: 100vh;
        transform: translateX(-100%);
        transition: transform .25s ease;
        box-shadow: 0 0 40px rgba(0,0,0,.6);
    }
    .alfa-sidebar.is-open { transform: translateX(0); }
    .alfa-sidebar-overlay {
        display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 400;
    }
    .alfa-sidebar-overlay.is-open { display: block; }
    .alfa-main-inner { padding-top: 64px; }
}

.alfa-music-wrapper {
    background: var(--alfa-bg);
    color: var(--alfa-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    padding: 24px 5vw 140px;
    max-width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
}
.alfa-music-wrapper * { box-sizing: border-box; }

/* ---------- Hero ---------- */
.alfa-hero {
    background: linear-gradient(135deg, rgba(29,185,84,.35), rgba(0,0,0,.1));
    border-radius: var(--alfa-radius);
    padding: 48px 32px;
    margin-bottom: 32px;
}
.alfa-hero h1 { font-size: clamp(28px, 5vw, 44px); margin: 0 0 8px; font-weight: 800; }
.alfa-hero p { color: var(--alfa-text-muted); margin: 0; font-size: 16px; }
.alfa-hero-sm { padding: 28px 32px; }

/* ---------- Seções ---------- */
.alfa-section { margin-bottom: 40px; }
.alfa-section h2 { font-size: 22px; margin: 0 0 16px; font-weight: 700; }
.alfa-empty-state { color: var(--alfa-text-muted); padding: 20px 0; }

/* ---------- Grids (artistas / álbuns) ---------- */
.alfa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
}
.alfa-card {
    background: var(--alfa-bg-card);
    border-radius: var(--alfa-radius);
    padding: 12px;
    text-decoration: none;
    color: var(--alfa-text);
    display: block;
    transition: background .2s ease, transform .2s ease;
}
.alfa-card:hover { background: var(--alfa-bg-card-hover); transform: translateY(-2px); }
.alfa-card-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    background-size: cover;
    background-position: center;
    background-color: #222;
    border-radius: 6px;
    margin-bottom: 12px;
}
.alfa-card-img.alfa-round { border-radius: 50%; }
.alfa-card-title { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.alfa-card-sub { font-size: 12px; color: var(--alfa-text-muted); margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- Lista de faixas ---------- */
.alfa-track-list { display: flex; flex-direction: column; }
.alfa-track-row {
    display: grid;
    grid-template-columns: 46px 44px 1fr auto auto 56px;
    align-items: center;
    gap: 14px;
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
}
.alfa-track-row:hover { background: var(--alfa-bg-elevated); }
.alfa-track-row.is-playing { background: rgba(29,185,84,.12); }
.alfa-track-row.is-playing .alfa-track-title { color: var(--alfa-primary); }

.alfa-track-index { position: relative; width: 24px; text-align: center; color: var(--alfa-text-muted); }
.alfa-index-num { font-size: 14px; }
.alfa-track-play-btn {
    display: none;
    background: none; border: none; color: var(--alfa-text); font-size: 14px; cursor: pointer;
}
.alfa-track-row:hover .alfa-index-num { display: none; }
.alfa-track-row:hover .alfa-track-play-btn { display: inline-block; }

.alfa-track-cover {
    width: 44px; height: 44px; border-radius: 4px;
    background-size: cover; background-position: center; background-color: #222;
}
.alfa-track-info { min-width: 0; }
.alfa-track-title { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.alfa-track-artist { font-size: 12px; color: var(--alfa-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.alfa-track-plays { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--alfa-text-muted); }
.alfa-track-plays .dashicons { font-size: 16px; width: 16px; height: 16px; }

.alfa-like-btn {
    background: none; border: none; cursor: pointer; color: var(--alfa-text-muted);
    display: flex; align-items: center; gap: 4px; font-size: 13px;
}
.alfa-like-btn .alfa-like-icon { font-size: 16px; line-height: 1; }
.alfa-like-btn.is-liked { color: var(--alfa-primary); }
.alfa-track-duration { font-size: 12px; color: var(--alfa-text-muted); text-align: right; }

/* ---------- Página do artista ---------- */
.alfa-artist-header {
    display: flex; align-items: flex-end; gap: 24px;
    padding: 60px 32px 24px; border-radius: var(--alfa-radius);
    background-size: cover; background-position: center;
    margin-bottom: 24px;
}
.alfa-artist-photo {
    width: 140px; height: 140px; border-radius: 50%;
    background-size: cover; background-position: center; background-color: #222;
    box-shadow: 0 8px 24px rgba(0,0,0,.5); flex-shrink: 0;
}
.alfa-eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--alfa-text-muted); }
.alfa-artist-header h1 { font-size: clamp(28px,5vw,48px); margin: 4px 0 0; }
.alfa-artist-bio { color: var(--alfa-text-muted); line-height: 1.6; }

/* ---------- Página do álbum ---------- */
.alfa-album-header { display: flex; gap: 24px; align-items: flex-end; margin-bottom: 24px; flex-wrap: wrap; }
.alfa-album-cover {
    width: 200px; height: 200px; border-radius: 8px;
    background-size: cover; background-position: center; background-color: #222;
    box-shadow: 0 8px 24px rgba(0,0,0,.5); flex-shrink: 0;
}
.alfa-album-meta h1 { font-size: clamp(24px,4vw,40px); margin: 4px 0 8px; }
.alfa-album-sub { color: var(--alfa-text-muted); font-size: 14px; margin: 0 0 16px; }
.alfa-album-sub a { color: var(--alfa-text); text-decoration: none; }
.alfa-album-sub a:hover { text-decoration: underline; }

.alfa-btn-primary {
    background: var(--alfa-primary); color: #000; border: none; border-radius: 24px;
    padding: 10px 26px; font-weight: 700; font-size: 14px; cursor: pointer;
}
.alfa-btn-primary:hover { transform: scale(1.04); }

/* ---------- Player fixo (rodapé) ---------- */
.alfa-player-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 9999;
    background: var(--alfa-bg-elevated); border-top: 1px solid var(--alfa-border);
    display: grid; grid-template-columns: minmax(180px,1fr) 2fr minmax(120px,1fr);
    align-items: center; gap: 16px; padding: 10px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--alfa-text);
}
.alfa-player-track-info { display: flex; align-items: center; gap: 10px; min-width: 0; }
.alfa-player-cover { width: 48px; height: 48px; border-radius: 4px; background-size: cover; background-position: center; background-color: #222; flex-shrink: 0; }
.alfa-player-text { min-width: 0; }
.alfa-player-title { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.alfa-player-artist { font-size: 12px; color: var(--alfa-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.alfa-player-like { flex-shrink: 0; }

.alfa-player-controls { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.alfa-player-buttons { display: flex; align-items: center; gap: 18px; }
.alfa-ctrl-btn { background: none; border: none; color: var(--alfa-text); font-size: 16px; cursor: pointer; }
.alfa-play-main {
    background: var(--alfa-text); color: #000; border-radius: 50%;
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; font-size: 13px;
}
.alfa-player-progress-row { display: flex; align-items: center; gap: 8px; width: 100%; max-width: 520px; }
.alfa-time { font-size: 11px; color: var(--alfa-text-muted); width: 34px; text-align: center; }
.alfa-progress-bar, .alfa-volume-bar {
    -webkit-appearance: none; appearance: none; height: 4px; border-radius: 2px;
    background: var(--alfa-border); flex: 1; cursor: pointer;
}
.alfa-progress-bar::-webkit-slider-thumb, .alfa-volume-bar::-webkit-slider-thumb {
    -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: var(--alfa-text); cursor: pointer;
}
.alfa-player-volume { display: flex; align-items: center; gap: 8px; justify-self: end; }
.alfa-volume-bar { width: 90px; }

/* ---------- Anúncio programado ---------- */
.alfa-ad-banner {
    position: fixed; right: 20px; bottom: 92px; z-index: 9998;
    background: var(--alfa-bg-card); border: 1px solid var(--alfa-border); border-radius: 10px;
    width: 280px; padding: 10px; box-shadow: 0 10px 30px rgba(0,0,0,.5);
    animation: alfa-ad-slide-in .35s ease;
}
@keyframes alfa-ad-slide-in { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.alfa-ad-label { font-size: 10px; text-transform: uppercase; color: var(--alfa-text-muted); letter-spacing: .05em; }
.alfa-ad-close {
    position: absolute; top: 6px; right: 8px; background: none; border: none; color: var(--alfa-text-muted);
    font-size: 14px; cursor: pointer;
}
.alfa-ad-content { display: block; text-decoration: none; color: var(--alfa-text); margin-top: 6px; }
.alfa-ad-content img { width: 100%; border-radius: 6px; display: block; margin-bottom: 8px; max-height: 140px; object-fit: cover; }
.alfa-ad-title { font-size: 13px; font-weight: 600; }

/* ---------- Responsivo ---------- */
@media (max-width: 780px) {
    .alfa-track-row { grid-template-columns: 34px 40px 1fr 46px; }
    .alfa-track-plays, .alfa-track-duration { display: none; }
    .alfa-player-bar { grid-template-columns: 1fr; }
    .alfa-player-volume { display: none; }
    .alfa-album-header, .alfa-artist-header { flex-direction: column; align-items: flex-start; }
    .alfa-ad-banner { width: calc(100vw - 40px); right: 20px; left: 20px; }
}