/* ============================================
   TRADEOS — Layout (Mobile First)
   Base = mobile, scale up with min-width
   ============================================ */

/* ── Screen system ── */
.pantalla { display: none; width: 100%; }
.pantalla.activa { display: flex; flex-direction: column; min-height: 100vh; }

#pantalla-login {
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, #111 0%, #0a0a0a 70%);
}

/* ── Sidebar (mobile: hidden by default) ── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  height: 100dvh;
  width: 260px;
  transform: translateX(-100%);
  transition: transform var(--transition);
  z-index: 1000;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding-top: var(--safe-top);
  display: flex;
  flex-direction: column;
}

/* ── Sidebar overlay ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 999;
}

/* ── Sidebar open state (toggle via JS on body) ── */
body.sidebar-open .sidebar,
.sidebar.abierta {
  transform: translateX(0);
}

body.sidebar-open .sidebar-overlay,
.sidebar-overlay.visible {
  display: block;
}

/* ── Hamburger button (visible on mobile, fixed position) ── */
.btn-hamburger {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10000; /* fix: pwa-banner tiene z-index:9999, debe estar por debajo */
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  cursor: pointer;
  font-size: 20px;
  padding: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: var(--space-md) var(--space-lg);
  padding-left: 64px; /* space for fixed hamburger */
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg, #0a0a0a);
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  min-height: var(--header-height);
}

.header-izq {
  flex: 1;
  min-width: 0;
}

.header-izq h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-der {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Main content area ── */
.contenido {
  flex: 1;
  width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  padding-bottom: calc(var(--space-2xl) + var(--safe-bottom));
}

.seccion {
  display: none;
  padding: var(--space-md);
}

.seccion.activa {
  display: block;
}

/* ── App layout (mobile: column) ── */
#pantalla-app {
  flex-direction: column;
}


/* ═══════════════════════════════════════════
   TABLET (768px+)
   ═══════════════════════════════════════════ */
@media (min-width: 768px) {
  .seccion {
    padding: var(--space-lg) var(--space-xl);
  }
}


/* ═══════════════════════════════════════════
   DESKTOP (1024px+)
   ═══════════════════════════════════════════ */
@media (min-width: 1024px) {
  /* Sidebar always visible */
  .sidebar {
    transform: none;
    width: var(--sidebar-width);
  }

  .sidebar-overlay {
    display: none !important;
  }

  /* Hide hamburger */
  .btn-hamburger {
    display: none;
  }

  /* App layout: row with sidebar */
  #pantalla-app {
    flex-direction: row;
  }

  .pantalla.activa {
    height: 100vh;
  }

  /* Content next to sidebar — sidebar es fixed, no entra al flex flow */
  .contenido {
    flex: 1;
    height: 100vh;
    overflow-y: auto;
    margin-left: var(--sidebar-width);
  }

  /* Header: no sticky needed, no hamburger padding */
  .page-header {
    position: relative;
    padding: var(--space-lg) var(--space-xl);
    padding-left: var(--space-xl);
  }

  .header-izq h2 {
    font-size: 22px;
  }

  .seccion {
    padding: var(--space-xl);
  }
}


/* ═══════════════════════════════════════════
   PWA STANDALONE
   ═══════════════════════════════════════════ */
@media (display-mode: standalone) {
  .pwa-banner { display: none !important; }
}

/* PWA banner compensation */
#pwa-banner:not(.oculto) ~ #pantalla-app .contenido {
  padding-top: 110px;
}