:root {
    --azul-utfpr: #003366;
    --azul-claro: #0d5aa7;
    --cinza-fundo: #f4f6f8;
    --cinza-borda: #d7dde3;
    --verde: #2e7d32;
    --vermelho: #c62828;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--cinza-fundo);
    color: #222;
}

.topbar {
    background: var(--azul-utfpr);
    color: #fff;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.topbar h1 { margin: 0; font-size: 1.3rem; }
.topbar-titulo { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar-logo-utfpr { height: 42px; width: auto; display: block; }
.topbar-logo-cole { display: flex; flex-direction: column; line-height: 1.15; border-left: 1px solid rgba(255,255,255,0.35); padding-left: 14px; }
.topbar-logo-cole-sigla { font-weight: bold; font-size: 1.2rem; color: #fff; }
.topbar-logo-cole-extenso { font-size: 0.72rem; color: #cfe0f5; }
.topbar nav { display: flex; align-items: center; flex-wrap: wrap; gap: 2px; }
.topbar nav a { color: #cfe0f5; text-decoration: none; padding: 6px 8px; border-radius: 4px; }
.topbar nav a:hover { background: rgba(255,255,255,0.12); text-decoration: none; }
.topbar .nav-separador { color: rgba(255,255,255,0.35); margin: 0 2px; }

/* Menu suspenso (Cadastro, Acadêmico) */
.nav-dropdown { position: relative; display: inline-block; }
.nav-dropdown-toggle {
    background: none;
    border: none;
    color: #cfe0f5;
    font: inherit;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.nav-dropdown-toggle:hover, .nav-dropdown.aberto .nav-dropdown-toggle {
    background: rgba(255,255,255,0.12);
}
.nav-dropdown-toggle .seta { font-size: 0.7rem; }
.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    min-width: 190px;
    padding: 6px;
    z-index: 50;
    margin-top: 4px;
}
.nav-dropdown.aberto .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
    display: block;
    color: #1f2933 !important;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.92rem;
}
.nav-dropdown-menu a:hover { background: var(--cinza-fundo); }

.conteudo {
    max-width: 1000px;
    margin: 24px auto;
    padding: 0 16px;
}

/* Usado em telas que precisam de mais espaço horizontal, como o
   terminal de acesso aos equipamentos (vários consoles lado a lado). */
.conteudo-largo {
    max-width: 1600px;
    margin: 24px auto;
    padding: 0 16px;
}

/* Usado na tela do terminal: ocupa quase toda a largura da janela,
   para o console de configuração ficar confortável de usar. */
.conteudo-total {
    width: 97%;
    margin: 16px auto;
    padding: 0 16px;
    box-sizing: border-box;
}

.cartao {
    background: #fff;
    border: 1px solid var(--cinza-borda);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.cartao h2 { margin-top: 0; color: var(--azul-utfpr); }

.cartoes-resumo {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.cartao-resumo {
    flex: 1;
    min-width: 140px;
    background: #fff;
    border: 1px solid var(--cinza-borda);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.cartao-resumo strong { display: block; font-size: 2rem; color: var(--azul-claro); }
.cartao-resumo span { color: #666; font-size: 0.9rem; }

form label { display: block; margin-top: 12px; font-weight: 600; font-size: 0.9rem; }
form input, form select {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid var(--cinza-borda);
    border-radius: 4px;
}

button, .botao {
    display: inline-block;
    margin-top: 16px;
    padding: 10px 18px;
    background: var(--azul-claro);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.95rem;
}
button:hover, .botao:hover { background: var(--azul-utfpr); }

.botao-secundario {
    background: #999;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    font-size: 0.85rem;
}
.botao-secundario:hover { background: var(--vermelho); }

.botao-perigo {
    background: var(--vermelho);
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    font-size: 0.85rem;
    margin-left: 4px;
}
.botao-perigo:hover { background: #8e1f1f; }

.tabela { width: 100%; border-collapse: collapse; margin-top: 12px; }
.tabela th, .tabela td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--cinza-borda);
    font-size: 0.9rem;
}
.tabela th { background: #f0f2f5; }

.erro { color: var(--vermelho); font-weight: 600; }
.sucesso { color: var(--verde); font-weight: 600; }
.aviso { color: #8a6d00; background: #fff8e1; padding: 8px 12px; border-radius: 4px; font-size: 0.9rem; }

/* Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}
.login-box {
    background: #fff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
    width: 320px;
}
.login-box h1 { font-size: 1.2rem; color: var(--azul-utfpr); margin-bottom: 0; }
.subtitulo { color: #777; margin-top: 4px; font-size: 0.85rem; }

/* Repositório */
.filtros { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; align-items: center; }
.filtro-ativo { background: var(--azul-utfpr) !important; }
.etiqueta-categoria {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    color: #fff;
    margin-bottom: 8px;
}
.etiqueta-topologia { background: #0d5aa7; }
.etiqueta-comando { background: #2e7d32; }
.etiqueta-geral { background: #666; }
.meta-item { color: #888; font-size: 0.8rem; }
.topologia-item .botao { margin-right: 8px; }
.bloco-conteudo {
    background: #111;
    color: #d4d4d4;
    padding: 14px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.85rem;
}

/* Chat */
.chat-wrapper { display: flex; gap: 16px; padding: 0; overflow: hidden; }
.chat-usuarios {
    width: 220px;
    border-right: 1px solid var(--cinza-borda);
    padding: 16px;
}
.chat-usuarios h2 { font-size: 1rem; margin-top: 0; }
.chat-usuarios ul { list-style: none; padding: 0; margin: 0; }
.chat-usuario-item {
    padding: 8px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    margin-bottom: 4px;
}
.chat-usuario-item:hover { background: var(--cinza-fundo); }
.chat-usuario-item.ativo { background: var(--azul-claro); color: #fff; }

.chat-area { flex: 1; display: flex; flex-direction: column; padding: 16px; min-width: 0; }
.chat-area h2 { font-size: 1rem; margin-top: 0; }
.chat-mensagens {
    flex: 1;
    min-height: 350px;
    max-height: 450px;
    overflow-y: auto;
    border: 1px solid var(--cinza-borda);
    border-radius: 6px;
    padding: 12px;
    background: #fafbfc;
}
.chat-msg { margin-bottom: 10px; font-size: 0.9rem; }
.chat-msg.minha { text-align: right; }
.chat-hora { color: #999; font-size: 0.75rem; }
.chat-form { display: flex; gap: 8px; margin-top: 12px; }
.chat-form input { flex: 1; margin-top: 0; }
.chat-form button { margin-top: 0; }

/* Terminal — abas + painel único ocupando quase a tela inteira */
.abas-terminal {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 0;
    border-bottom: 2px solid var(--cinza-borda);
}
.aba-terminal {
    background: #eef1f4;
    border: 1px solid var(--cinza-borda);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    padding: 10px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    color: #444;
    margin-bottom: -2px;
}
.aba-terminal:hover { background: #e2e7ec; }
.aba-terminal.ativa {
    background: #111;
    color: #fff;
    border-color: #111;
    font-weight: 600;
}
.terminal-tela-unica {
    background: #111;
    border-radius: 0 0 6px 6px;
    position: relative;
    height: 72vh;
    min-height: 460px;
}
.painel-terminal {
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    visibility: hidden;
}
.painel-terminal.painel-ativo {
    visibility: visible;
}