:root {
    --primary: #d4af37;
    --bg: #0b0d14;
    --card: #161922;
    --text: #ffffff;
    --text-dim: #8e8e93;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: sans-serif;
    min-height: 100vh;
}

.dashboard-container {
    max-width: 500px;
    margin: 0 auto;
    padding-bottom: 50px;
}

.header-area {
    padding: 20px;
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

h1 { font-size: 22px; color: var(--primary); margin-bottom: 15px; }

/* Mural */
.mural-card {
    background: var(--card);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
}
.mural-card small { color: var(--primary); font-weight: bold; font-size: 10px; }
.mural-card h4 { margin: 5px 0; font-size: 14px; }
.mural-card p { font-size: 12px; color: var(--text-dim); }

/* Progresso */
.progresso-container { margin-bottom: 15px; }
.progresso-header { display: flex; justify-content: space-between; font-size: 11px; margin-bottom: 5px; }
.barra-fundo { height: 8px; background: #222; border-radius: 10px; overflow: hidden; }
.barra-preenchida { height: 100%; background: var(--primary); transition: 0.5s; }

/* Nav */
.main-nav { display: flex; gap: 10px; overflow-x: auto; padding: 5px 0 15px; }
.btn-nav {
    padding: 10px 20px; background: var(--card); border: 1px solid #333;
    border-radius: 50px; color: #fff; text-decoration: none; font-size: 12px; white-space: nowrap;
}
.btn-nav.active { border-color: var(--primary); color: var(--primary); }

/* Grid de Vídeos */
.video-grid {
    padding: 0 15px;
    display: block; /* Garante que os cards apareçam um abaixo do outro */
}

.video-card {
    background: var(--card);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 25px;
    border: 1px solid #222;
}

.thumbnail-wrapper {
    width: 100%;
    height: 250px; /* Altura fixa para garantir que apareça */
    background: #000;
    position: relative;
}

.thumbnail-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-info { padding: 15px; }
.video-info h3 { font-size: 17px; margin-bottom: 12px; }

.dificuldade-box { margin-bottom: 8px; }
.kimono-icon { font-size: 14px; opacity: 0.2; filter: grayscale(1); }
.kimono-icon.ativo { opacity: 1; filter: grayscale(0); }

.video-footer { display: flex; align-items: center; gap: 10px; }
.tag-nivel { background: #0b0d14; padding: 5px 10px; border-radius: 5px; font-size: 10px; color: var(--primary); }

.btn-check {
    flex: 1; padding: 10px; border-radius: 8px; border: 1px solid #333;
    background: #0b0d14; color: var(--text-dim); font-weight: bold; cursor: pointer;
}
.btn-check.concluido { background: #2ecc71; color: #fff; border-color: #2ecc71; }

.empty-state { text-align: center; padding: 50px; color: var(--text-dim); }