:root {
    --preto: #111111;
    --branco: #FFFFFF;
    --cinza-claro: #F5F5F5;
    --cinza-medio: #CCCCCC;
    --accent: #FBCA01; /* sobrescrito por curso via data-curso no <body> */
    --sidebar: 240px;
    --topbar: 80px;
}

/* Accent por trilha — aplicado via atributo data-curso no <body> */
body[data-curso="arrais"]     { --accent: #FBCA01; }
body[data-curso="motonauta"]  { --accent: #C9A848; }

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Poppins', Arial, sans-serif;
    background: var(--branco);
    color: var(--preto);
}

h1, h2, h3, .titulo-impact {
    font-family: 'Impact', 'Arial Narrow', sans-serif;
    letter-spacing: 1px;
}

/* ---------- TOPBAR ---------- */
.topbar {
    height: var(--topbar);
    background: var(--preto);
    border-bottom: 4px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    color: var(--branco);
}
.topbar .curso-badge {
    background: var(--accent);
    color: var(--preto);
    font-family: 'Impact', sans-serif;
    padding: 4px 12px;
    border-radius: 3px;
    letter-spacing: 1px;
    font-size: 12px;
}

/* ---------- SIDEBAR ---------- */
.sidebar {
    width: var(--sidebar);
    background: var(--cinza-claro);
    border-right: 1px solid var(--cinza-medio);
    min-height: calc(100vh - var(--topbar));
    padding: 16px 0;
}
.sidebar .sb-link {
    display: block;
    padding: 10px 20px;
    color: var(--preto);
    text-decoration: none;
    font-size: 13px;
    border-left: 3px solid transparent;
}
.sidebar .sb-link.ativo,
.sidebar .sb-link:hover {
    border-left-color: var(--accent);
    background: rgba(0,0,0,0.03);
    font-weight: 600;
}
.sidebar .sb-link.concluido::after {
    content: " ✓";
    color: #1A7C40;
}

/* ---------- SELETOR DE TRILHA (aluno com 2 matrículas) ---------- */
.seletor-trilha {
    display: flex;
    gap: 16px;
    padding: 40px;
    justify-content: center;
    flex-wrap: wrap;
}
.card-trilha {
    border: 2px solid var(--cinza-medio);
    border-radius: 8px;
    padding: 32px;
    width: 260px;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    color: var(--preto);
    transition: border-color .15s;
}
.card-trilha:hover { border-color: var(--accent); }
.card-trilha.arrais    { border-top: 6px solid #FBCA01; }
.card-trilha.motonauta { border-top: 6px solid #C9A848; }

/* ---------- BOTÕES ---------- */
.btn {
    background: var(--accent);
    color: var(--preto);
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}
.btn:hover { opacity: .9; }
.btn-secundario {
    background: transparent;
    border: 1px solid var(--cinza-medio);
    color: var(--preto);
}

/* ---------- PROTEÇÃO DE CONTEÚDO ---------- */
.conteudo-protegido {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    position: relative;
}
.conteudo-protegido img { pointer-events: none; }

.marca-dagua {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    color: rgba(17,17,17,0.12);
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    white-space: nowrap;
    transform: rotate(-25deg);
    transition: top 8s linear, left 8s linear;
}

/* ---------- FORM (login, reset, etc.) ---------- */
.form-box {
    max-width: 380px;
    margin: 60px auto;
    padding: 32px;
    border: 1px solid var(--cinza-medio);
    border-radius: 8px;
}
.form-box input {
    width: 100%;
    padding: 10px;
    margin-bottom: 14px;
    border: 1px solid var(--cinza-medio);
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
}
