.app { display: flex; height: 100vh; overflow: hidden; }

/* Sidebar */
/* Dark rail against light content. The sidebar redefines the palette tokens
   locally with the sign-SA "ink" dark scale (the same near-black + teal as the
   p/piandre-overview masthead: #141416 ground, #3BD1D3 accent). Every child
   styles itself via var(), so they all pick these up automatically. Content
   stays light. */
.sidebar {
  --surface:        #141416;   /* --ink: masthead ground */
  --surface-raised: #1c2222;   /* --ink-2: hover / pressed */
  --border:         #2a3434;   /* --ink-line */
  --text:           #f3f6f6;   /* --on-dark */
  --text-muted:     #aec6c6;   /* --on-dark-2 */
  --accent:         #3BD1D3;   /* --teal-bright */
  --accent-dim:     rgba(59,209,211,0.14);
}
.sidebar { width: var(--sidebar-width); background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; transition: width 0.2s ease, border-color 0.2s ease; overflow: hidden; }
.sidebar.collapsed { width: 0; border-right-color: transparent; }

/* Collapse toggle — inside sidebar header */
.sidebar-collapse-btn { margin-left: auto; display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; background: none; color: var(--text-muted); border-radius: var(--radius); flex-shrink: 0; cursor: pointer; }
.sidebar-collapse-btn svg { width: 18px; height: 18px; display: block; }
.sidebar-open-btn svg { width: 22px; height: 22px; display: block; }
.sidebar-collapse-btn:hover { color: var(--text); background: var(--surface-raised); }

/* Re-open button — lives in .page-header, shown via JS when sidebar is collapsed */
.sidebar-open-btn { display: none; background: none; border: none; color: var(--text-muted); font-size: 18px; padding: 0 10px 0 0; line-height: 1; flex-shrink: 0; }
.sidebar-open-btn:hover { color: var(--text); }
.sidebar-open-btn.visible { display: block; }
/* Teal underline echoes the p/piandre-overview masthead signature. */
.sidebar-header { height: 56px; padding: 0 16px; display: flex; flex-direction: row; align-items: center; gap: 10px; border-bottom: 2px solid var(--accent); }
.sidebar-sub { font-size: 10px; font-weight: 600; color: var(--text-muted); letter-spacing: 0.12em; text-transform: uppercase; }
.nav-section-label { display: flex; align-items: center; gap: 7px; font-size: 10px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.09em; text-transform: uppercase; padding: 18px 16px 5px; }
.nav-section-label::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--group-color, var(--text-muted)); flex-shrink: 0; opacity: 0.9; }
.nav-section-label[data-group="revenue"]   { --group-color: oklch(65% 0.14 145); }
.nav-section-label[data-group="customer"]  { --group-color: oklch(72% 0.15 185); }
.nav-section-label[data-group="connect"]   { --group-color: oklch(68% 0.13 290); }
.nav-section-label[data-group="calendar"]  { --group-color: oklch(72% 0.13 80);  }
.nav-section-label[data-group="tasks"]     { --group-color: oklch(70% 0.15 45);  }
.nav-section-label[data-group="knowledge"] { --group-color: oklch(66% 0.12 240); }

.sidebar-nav { flex: 1; padding: 6px 0 8px; overflow-y: auto; }

/* Partner gating — applied synchronously by theme.js reading localStorage.
   Hides forbidden nav items on the very first paint, no JS roundtrip needed.
   Partner-visible pages: today, leads, clients, scoring. */
html.role-partner .nav-item:not([data-page="today"]):not([data-page="leads"]):not([data-page="clients"]):not([data-page="scoring"]) { display: none; }
html.role-partner .nav-section-label:not([data-group="customer"]):not([data-group="tasks"]) { display: none; }
html.role-partner .nav-divider { display: none; }
.nav-item { display: flex; align-items: center; gap: 11px; padding: 7px 10px 7px 16px; margin: 0 6px; color: var(--text-muted); font-size: 13px; cursor: pointer; border-radius: 6px; transition: color 0.15s, background 0.15s; }
.nav-icon { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; flex-shrink: 0; }
.nav-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.85; stroke-linecap: round; stroke-linejoin: round; }
.nav-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-item:hover { color: var(--text); background: var(--surface-raised); text-decoration: none; }
.nav-item.active { color: var(--accent); background: var(--accent-dim); font-weight: 500; }
.nav-item--disabled { opacity: 0.28; cursor: not-allowed; pointer-events: none; }
.nav-divider { height: 1px; background: var(--border); margin: 8px 12px; }

.sidebar-footer { padding: 12px 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-muted); }
.sidebar-footer .sidebar-logout { background: none; color: var(--text-muted); font-size: 12px; margin-top: 4px; padding: 0; }
.sidebar-footer .sidebar-logout:hover { color: var(--red); }

/* Main */
.main { flex: 1; overflow-y: auto; display: flex; flex-direction: column; }
.page-header { height: 56px; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.page-header h1 { font-size: 18px; font-weight: 600; }
.page-content { padding: 20px 28px 40px; }

/* ── MOBILE ────────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .page-header { padding: 0 16px; height: 52px; }
  .page-header h1 { font-size: 16px; }
  .page-content { padding: 16px 16px 32px; }

  /* Sidebar becomes a fixed overlay that slides in from the left.
     Collapsed state slides it offscreen instead of zero-width. */
  .sidebar {
    position: fixed;
    top: 0; bottom: 0; left: 0;
    width: 260px;
    z-index: 100;
    transform: translateX(0);
    transition: transform 0.25s ease;
    border-right: 1px solid var(--border);
    box-shadow: 0 0 24px rgba(0,0,0,0.4);
  }
  .sidebar.collapsed {
    width: 260px;
    transform: translateX(-100%);
    border-right-color: var(--border);
    box-shadow: none;
  }

  /* Backdrop appears behind the open sidebar */
  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  .sidebar-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
  }

  /* Larger touch targets in nav */
  .nav-item { padding: 12px 14px 12px 22px; font-size: 14px; }
  .nav-section-label { padding: 14px 16px 4px; }

  /* Main content takes full width */
  .main { width: 100%; }

  /* Hide the desktop collapse button (◀) — use the open button to control */
  .sidebar-collapse-btn { display: none; }
  .sidebar-open-btn { display: block; padding: 0 14px 0 0; font-size: 22px; }
}

@media (max-width: 480px) {
  .page-header { padding: 0 14px; }
  .page-content { padding: 14px 14px 32px; }
}

/* ── DESKTOP: collapsible icon rail + overlay hover-peek ─────────────────────── */
@media (min-width: 769px) {
  .app { transition: padding-left 0.2s ease; }
  /* collapsed = a 64px rail that overlays (absolute), so content never shifts */
  .sidebar.collapsed {
    position: absolute; top: 0; bottom: 0; left: 0; z-index: 60;
    width: 64px; border-right-color: var(--border);
  }
  .app:has(> .sidebar.collapsed) { padding-left: 64px; }

  /* rail look applies only when NOT hovering — hover reverts to the natural expanded styles */
  .sidebar.collapsed:not(:hover) .sidebar-header a,
  .sidebar.collapsed:not(:hover) .sidebar-sub,
  .sidebar.collapsed:not(:hover) .nav-label,
  .sidebar.collapsed:not(:hover) .nav-section-label,
  .sidebar.collapsed:not(:hover) .sidebar-footer { display: none; }
  .sidebar.collapsed:not(:hover) .sidebar-header { justify-content: center; padding: 0 8px; }
  .sidebar.collapsed:not(:hover) .sidebar-collapse-btn { margin: 0 auto; }
  .sidebar.collapsed:not(:hover) .nav-item { justify-content: center; padding-left: 0; padding-right: 0; margin: 2px 8px; }

  /* hover-peek: slide open as an overlay (still absolute), content underneath stays put */
  .sidebar.collapsed:hover {
    width: var(--sidebar-width);
    box-shadow: 8px 0 30px -10px rgba(0,0,0,0.45);
  }
}