/* PartiturasWeb - Design System (Inspired by Sometom.com.br) */
:root {
    --primary-orange: #FF853E;
    --primary-dark: #1F1F1F;
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --border-radius-lg: 30px;
    --border-radius-sm: 10px;
    --container-width: 1100px;
}

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

body {
    font-size: 1.15rem;
    /* Maior legibilidade do texto */
    font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    /* Sometom uses a dark gradient for the background */
    background: linear-gradient(135deg, #1a1a1b 0%, #2c2c35 100%);
    background-attachment: fixed;
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
header {
    background-color: #111;
    /* Darker header */
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-orange);
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: var(--primary-orange);
    font-size: 1.6rem;
    font-weight: 900;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Main Wrapper */
.main-wrapper {
    max-width: var(--container-width);
    margin: 0 auto;
    /* Removed top margin */
    padding: 0;
}

.index-container,
.content-card {
    background: var(--bg-white);
    /* Square top corners to connect with header, rounded bottom */
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    padding: 60px 50px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    min-height: calc(100vh - 80px);
    /* Extend to bottom */
}

@media (max-width: 768px) {
    body {
        font-size: 1.3rem !important;
        /* Forçar fonte base maior no mobile */
    }

    .index-container,
    .content-card {
        padding: 30px 15px;
        border-radius: 0 0 20px 20px;
        width: 100%;
        overflow-x: hidden;
        /* Evita quebra lateral do cartão */
    }

    .main-wrapper {
        margin: 0;
        padding: 0;
    }

    h1 {
        font-size: 2.2rem !important;
    }

    .subtitle,
    p {
        font-size: 1.3rem !important;
        /* Textos maiores */
    }

    .index-link span {
        font-size: 1.3rem !important;
    }

    .abcjs-container {
        padding: 0.5rem;
        /* Menos margem interna no mobile */
        margin: 1rem -10px;
        /* Estender um pouco para as laterais se precisar */
        width: calc(100% + 20px);
        overflow-x: auto !important;
        /* Forçar rolagem em vez de quebra de tela */
    }
}

/* Typography */
h1 {
    font-size: 2.8rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-weight: 800;
    text-align: center;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 50px;
    display: block;
}

/* Course Index List */
.index-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

.index-item {
    margin-bottom: 15px;
}

.index-link {
    display: flex;
    align-items: center;
    background: var(--bg-light);
    padding: 20px 30px;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border-left: 8px solid transparent;
}

.index-link:hover {
    border-left-color: var(--primary-orange);
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    transform: translateX(10px);
    color: var(--primary-orange);
}

.index-link i {
    margin-right: 20px;
    color: var(--primary-orange);
    font-size: 1.5rem;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--primary-orange);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #e67e22;
}

.editor-footer {
    margin-top: 60px;
    text-align: center;
    padding-top: 40px;
    border-top: 2px solid #f0f0f0;
}

/* Footer Decoration */
footer {
    padding: 40px 0;
    text-align: center;
    color: white;
    font-weight: 500;
    opacity: 0.9;
}

/* Permitir rolagem na partitura se não couber na tela */
.abcjs-container {
    overflow-x: auto;
    overflow-y: hidden;
    max-width: 100%;
    scrollbar-width: none;
    /* Hide scrollbar in modern browsers */
}

/* Fallback seguro para customização do Webkit em overflow: auto (Tornamos transparente a pedido) */
.abcjs-container::-webkit-scrollbar {
    height: 6px;
    background: transparent;
}

.abcjs-container::-webkit-scrollbar-thumb {
    background-color: transparent;
}

/* Marcação do Cursor Musical (Player) */
.abcjs-note-highlight path,
.abcjs-note-highlight text {
    fill: var(--primary-orange) !important;
}

/* Opcional: Efeito suave ao apagar a nota */
.abcjs-note path {
    transition: fill 0.1s;
}