html, body {
  height: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  font-family: 'Outfit', sans-serif; font-size: 13px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(circle at 1px 1px, var(--dot-color) 1px, transparent 0);
  background-size: 20px 20px;
}

button, input, select { font-family: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* Soft ambient drift behind body */
body::after {
  content: '';
  position: fixed; inset: -20%;
  background:
    radial-gradient(600px circle at 12% 18%, var(--ambient-a), transparent 55%),
    radial-gradient(700px circle at 88% 78%, var(--ambient-b), transparent 60%);
  filter: blur(20px);
  z-index: -1;
  animation: drift 22s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(3%, -2%) scale(1.05); }
}

/* ─────────────────────── Skeleton shimmer ─────────────────────── */
@keyframes skel-shimmer {
  from { background-position: -600px 0; }
  to   { background-position:  600px 0; }
}
.skel {
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
  background-size: 600px 100%;
  animation: skel-shimmer 1.5s ease-in-out infinite;
  border-radius: 4px;
  flex-shrink: 0;
}

/* ─────────────────────── Layout ─────────────────────── */
.layout { display: flex; height: 100vh; }

/* ─────────────────────── Sidebar ─────────────────────── */
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: var(--sidebar-gradient);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: width 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
}

.brand-icon {
  width: 28px; height: 28px; border-radius: 7px;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 11.5px; color: var(--brand-icon-text);
  letter-spacing: -0.5px; flex-shrink: 0;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.brand-text {
  font-weight: 700; font-size: 13px; color: var(--text);
  line-height: 1.2; letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 9px; color: var(--text-mute); font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; margin-top: 1px;
}

/* ─────────────────────── Main ─────────────────────── */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; overflow: hidden; }

/* ─────────────────────── Topbar ─────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 0 18px; height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
  background: var(--topbar-gradient);
  flex-shrink: 0;
}

/* ─────────────────────── Content ─────────────────────── */
.content {
  flex: 1; display: flex; flex-direction: column;
  padding: 14px 18px 16px; gap: 14px;
  overflow: hidden; min-height: 0;
}

/* ─────────────────────── View container ─────────────────────── */
.view { display: none; flex-direction: column; gap: 14px; flex: 1; min-height: 0; }
.view.active { display: flex; }
.view { animation: viewIn 0.32s cubic-bezier(0.2, 0.7, 0.2, 1); }
@keyframes viewIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────── Sidebar collapsed (desktop) ─────────────────────── */
body.sidebar-collapsed .sidebar { width: 60px; }
body.sidebar-collapsed .brand-textwrap,
body.sidebar-collapsed .nav-text,
body.sidebar-collapsed .nav-label,
body.sidebar-collapsed .printer-name,
body.sidebar-collapsed .printer-last { display: none; }
body.sidebar-collapsed .brand { justify-content: center; padding: 14px 8px; }
body.sidebar-collapsed .nav-item { justify-content: center; padding: 9px 8px; }
body.sidebar-collapsed .sidebar-footer > * { display: none; }

/* ─────────────────────── Sidebar backdrop (mobile) ─────────────────────── */
.sidebar-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.22s ease;
  z-index: 50;
}
body.sidebar-open .sidebar-backdrop { opacity: 1; pointer-events: auto; }

/* ─────────────────────── Scrollbar ─────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-edge); }

/* ─────────────────────── Responsive ═══════════════ */

/* ── ≤1280px: page-scroll model ── */
@media (max-width: 1280px) {
  html, body { overflow-y: auto; height: auto; }
  html, body, .layout, .main, .content { max-width: 100%; overflow-x: hidden; }
  .layout { height: auto; min-height: 100vh; }
  .sidebar { position: sticky; top: 0; height: 100vh; align-self: flex-start; overflow-y: auto; }
  .topbar { position: sticky; top: 0; z-index: 30; }
  .main { overflow: visible; overflow-x: hidden; }
  .content { overflow: visible; overflow-x: hidden; flex: none; padding-bottom: 32px; }
  .view { flex: none; min-height: unset; }
}

/* ── ≤900px: sidebar overlay ── */
@media (max-width: 900px) {
  :root { --sidebar-w: 260px; }
  .hamburger { display: inline-flex !important; }
  .sidebar {
    position: fixed; top: 0; left: 0; height: 100vh;
    z-index: 60; overflow-y: auto;
    transform: translateX(-105%);
    box-shadow: 4px 0 24px rgba(0,0,0,0.5);
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-collapsed .sidebar { width: var(--sidebar-w); }
  body.sidebar-collapsed .brand-textwrap,
  body.sidebar-collapsed .nav-text,
  body.sidebar-collapsed .nav-label,
  body.sidebar-collapsed .printer-name,
  body.sidebar-collapsed .printer-last { display: revert; }
  .main { width: 100%; }
  .content { padding: 10px 12px 14px; gap: 12px; }
}