/* Estrutura da página: barra lateral com os grupos, topo e área das telas */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

code { font-family: var(--mono); font-size: 0.92em; background: var(--neutral-soft); padding: 1px 5px; border-radius: 4px; }

.app {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    min-height: 100vh;
}

/* ---------- Barra lateral ---------- */
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    padding: 18px 12px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 2px 10px 20px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border-radius: 10px;
    color: #fff;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}

.brand-name { color: var(--sidebar-strong); font-weight: 700; font-size: 15px; line-height: 1.2; }
.brand-sub { color: var(--sidebar-muted); font-size: 12px; }

.nav { display: flex; flex-direction: column; gap: 18px; }

.nav-group-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 10px 6px;
    color: var(--sidebar-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-group-title::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-nav);
}

.nav-list { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.nav-list li[hidden] { display: none; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.nav-link .icon { color: var(--accent-nav); opacity: 0.8; flex-shrink: 0; }
.nav-link:hover { background: var(--sidebar-hover); color: var(--sidebar-strong); }
.nav-link:focus-visible { outline: 2px solid var(--accent-nav); outline-offset: -2px; }

.nav-link[aria-current="page"] {
    background: var(--sidebar-active);
    color: var(--sidebar-strong);
    box-shadow: inset 3px 0 var(--accent-nav);
}

.nav-link[aria-current="page"] .icon { opacity: 1; }

.nav-lock { margin-left: auto; color: var(--sidebar-muted); display: inline-flex; }

.sidebar-foot {
    margin-top: auto;
    padding: 16px 10px 0;
    color: var(--sidebar-muted);
    font-size: 12px;
    overflow-wrap: anywhere;
}

.sidebar-foot strong { display: block; color: var(--sidebar-text); font-weight: 600; margin-bottom: 2px; }

/* ---------- Topo ---------- */
.main { min-width: 0; display: flex; flex-direction: column; }

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 32px;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.page-heading { flex: 1; min-width: 0; display: flex; align-items: center; gap: 12px; }

.page-icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 11px;
    color: var(--accent);
    background: var(--accent-soft);
}

.page-text { min-width: 0; }

.crumb {
    display: block;
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-text h1 { font-size: 20px; line-height: 1.25; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.topbar-actions { display: flex; align-items: center; gap: 8px; }
.admin-menu { position: relative; }

.topbar .menu-btn { display: none; }

/* ---------- Telas ---------- */
.views { width: 100%; max-width: 1440px; padding: 24px 32px 56px; }

.view[hidden] { display: none; }
.view { display: flex; flex-direction: column; gap: 20px; animation: fade-in 0.2s ease; }

@keyframes fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: none; }
}

.stack { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.split { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 20px; align-items: start; }
.split-even { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* ---------- Telas estreitas: a barra lateral vira gaveta ---------- */
.scrim { display: none; }

@media (max-width: 960px) {
    .app { grid-template-columns: minmax(0, 1fr); }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 50;
        width: var(--sidebar-w);
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }

    .app.nav-open .sidebar { transform: none; box-shadow: var(--shadow-lg); }

    .app.nav-open .scrim {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 40;
        background: rgba(10, 12, 20, 0.45);
    }

    .topbar .menu-btn { display: inline-flex; }
    .topbar { padding: 12px 16px; gap: 10px; }
    .views { padding: 16px 16px 40px; }
    .split { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 600px) {
    .page-icon { display: none; }
    .page-text h1 { font-size: 17px; }
    #connectionStatus, #resetBtn span { display: none; }
    .status-pill { padding: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}