/* ──────────────────────────────────────────
   App Shell: Sidebar + Canvas layout
   ────────────────────────────────────────── */

.svw-app {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.svw-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-surface-container);
  border-right: 1px solid var(--color-outline-variant);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: width 0.2s ease;
}

.svw-sidebar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px var(--gutter);
  border-bottom: 1px solid var(--color-outline-variant);
}

.svw-sidebar__brand-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary-container);
  border-radius: var(--radius-default);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.svw-sidebar__brand-icon svg { color: var(--color-on-primary-container); }

.svw-sidebar__brand-text { overflow: hidden; }

.svw-sidebar__brand-name {
  font-size: var(--text-body-lg-size);
  font-weight: 700;
  color: var(--color-on-surface);
  line-height: 1.2;
  white-space: nowrap;
}

.svw-sidebar__brand-sub {
  font-size: var(--text-body-sm-size);
  color: var(--color-on-surface-variant);
  white-space: nowrap;
}

/* Nav */
.svw-sidebar__nav {
  flex: 1;
  padding: 8px 0;
  overflow-y: auto;
}

.svw-nav__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  cursor: pointer;
  border-left: 4px solid transparent;
  text-decoration: none;
  color: var(--color-on-surface-variant);
  font-size: var(--text-body-md-size);
  font-weight: 400;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  position: relative;
}

.svw-nav__item:hover {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface);
}

.svw-nav__item.active {
  border-left-color: var(--color-primary);
  background: rgba(45, 106, 79, 0.08);
  color: var(--color-primary);
  font-weight: 600;
}

.svw-nav__item svg { flex-shrink: 0; width: 20px; height: 20px; }

.svw-nav__badge {
  margin-left: auto;
  background: var(--color-alert-red);
  color: white;
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

.svw-sidebar__divider {
  height: 1px;
  background: var(--color-outline-variant);
  margin: 4px 0;
}

/* System status */
.svw-sidebar__status {
  margin: 8px var(--gutter);
  padding: 10px 12px;
  background: var(--color-surface-container-high);
  border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
}

.svw-status__label {
  font-size: var(--text-label-caps-size);
  font-weight: var(--text-label-caps-weight);
  letter-spacing: var(--text-label-caps-ls);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-bottom: 4px;
}

.svw-status__value {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-body-md-size);
  font-weight: 600;
  color: var(--color-on-surface);
}

.svw-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success-green);
  flex-shrink: 0;
}

.svw-status__dot.offline { background: var(--color-alert-red); }

/* Footer links */
.svw-sidebar__footer {
  padding: 8px 0 12px;
  border-top: 1px solid var(--color-outline-variant);
}

/* ── Main canvas ── */
.svw-canvas {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top bar ── */
.svw-topbar {
  height: 64px;
  background: var(--color-surface-bright);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  gap: var(--gutter);
  padding: 0 var(--edge-margin);
  position: sticky;
  top: 0;
  z-index: 1100;
}

.svw-topbar__title {
  font-size: var(--text-headline-sm-size);
  font-weight: var(--text-headline-sm-weight);
  color: var(--color-on-surface);
  flex: 1;
}

.svw-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  padding: 7px 12px;
  min-width: 280px;
  position: relative;
}

.svw-search input {
  border: none;
  background: none;
  outline: none;
  font-family: var(--font-family);
  font-size: var(--text-body-md-size);
  color: var(--color-on-surface);
  width: 100%;
}

.svw-search input::placeholder { color: var(--color-on-surface-variant); }

.svw-topbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.svw-icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
  background: transparent;
  cursor: pointer;
  color: var(--color-on-surface-variant);
  transition: background 0.15s, color 0.15s;
  position: relative;
}

.svw-icon-btn:hover {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
}

.svw-icon-btn .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background: var(--color-alert-red);
  border-radius: 50%;
  border: 2px solid var(--color-surface-bright);
}

/* ── Page content ── */
.svw-page {
  padding: var(--edge-margin);
  flex: 1;
}

.svw-page__header {
  margin-bottom: var(--widget-gap);
}

.svw-page__title {
  font-size: var(--text-headline-md-size);
  font-weight: var(--text-headline-md-weight);
  color: var(--color-on-surface);
  line-height: var(--text-headline-md-lh);
}

.svw-page__subtitle {
  font-size: var(--text-body-md-size);
  color: var(--color-on-surface-variant);
  margin-top: 2px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-default);
  font-family: var(--font-family);
  font-size: var(--text-body-md-size);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-primary:hover { background: #0a3d29; }

.btn-secondary {
  background: transparent;
  color: var(--color-on-surface);
  border-color: var(--color-outline-variant);
}

.btn-secondary:hover { background: var(--color-surface-container); }

.btn-sm { padding: 5px 12px; font-size: var(--text-body-sm-size); }

/* ── Status pills ── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-body-sm-size);
  font-weight: 600;
  line-height: 1.4;
}

.pill-live {
  background: rgba(186, 26, 26, 0.12);
  color: var(--color-alert-red);
}

.pill-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-alert-red);
  animation: pulse 1.5s infinite;
}

.pill-online {
  background: rgba(149, 212, 179, 0.2);
  color: #0a6640;
}

.pill-online::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success-green);
}

.pill-offline {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface-variant);
}

.pill-offline::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-on-surface-variant);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Cards / Widgets ── */
.card {
  background: var(--color-surface-bright);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--gutter);
  border-bottom: 1px solid var(--color-outline-variant);
}

.card-title {
  font-size: var(--text-headline-sm-size);
  font-weight: var(--text-headline-sm-weight);
  color: var(--color-on-surface);
}

.card-body { padding: var(--gutter); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-surface-container-highest); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-outline); }

/* ── Laptop sidebar collapse ── */
@media (max-width: 1439px) {
  .svw-sidebar.collapsed {
    width: 64px;
  }

  .svw-sidebar.collapsed .svw-sidebar__brand-text,
  .svw-sidebar.collapsed .svw-nav__item span,
  .svw-sidebar.collapsed .svw-sidebar__status,
  .svw-sidebar.collapsed .svw-sidebar__brand-sub {
    display: none;
  }

  .svw-sidebar.collapsed .svw-sidebar__brand { padding: 20px 12px; }
  .svw-sidebar.collapsed .svw-nav__item { padding: 10px 22px; justify-content: center; }
  .svw-sidebar.collapsed .svw-nav__badge { display: none; }

  .svw-canvas.sidebar-collapsed { margin-left: 64px; }
}

/* ── Sidebar close button (mobile only) ── */
.svw-sidebar-close {
  display: none;
  margin-left: auto;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  color: var(--color-on-surface-variant);
  cursor: pointer;
}

/* Search toggle hidden on desktop */
.svw-search-toggle { display: none; }

/* ── Mobile sidebar overlay backdrop ── */
.svw-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1150;
  backdrop-filter: blur(2px);
}
.svw-sidebar-overlay.active { display: block; }

/* ── Mobile ── */
@media (max-width: 768px) {
  :root {
    --edge-margin: 16px;
    --widget-gap: 16px;
    --gutter: 12px;
  }

  .svw-sidebar-close { display: flex; }

  /* Sidebar: slides in as overlay, above topbar */
  .svw-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1200;
    width: var(--sidebar-width) !important;
    top: 0 !important;
  }

  .svw-sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 4px 0 32px rgba(0, 0, 0, 0.25);
  }

  /* Reset desktop collapsed overrides on mobile */
  .svw-sidebar.collapsed {
    width: var(--sidebar-width) !important;
  }
  .svw-sidebar.collapsed .svw-sidebar__brand-text,
  .svw-sidebar.collapsed .svw-nav__item span,
  .svw-sidebar.collapsed .svw-sidebar__status,
  .svw-sidebar.collapsed .svw-sidebar__brand-sub {
    display: block !important;
  }
  .svw-sidebar.collapsed .svw-sidebar__brand { padding: 20px var(--gutter) !important; }
  .svw-sidebar.collapsed .svw-nav__item { padding: 10px 20px !important; justify-content: flex-start !important; }
  .svw-sidebar.collapsed .svw-nav__badge { display: flex !important; }

  /* Canvas: full width (sidebar is overlay) */
  .svw-canvas,
  .svw-canvas.sidebar-collapsed {
    margin-left: 0 !important;
  }

  /* Topbar */
  .svw-topbar {
    height: 56px;
    gap: 8px;
    padding: 0 12px;
  }

  .svw-topbar__title {
    font-size: 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Search bar: fixed overlay below topbar — does NOT shift layout */
  .svw-topbar .svw-search {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    z-index: 1090;
    max-width: 100% !important;
    min-width: 0 !important;
    margin: 0;
    border-radius: 0;
    border-top: none;
    border-left: none;
    border-right: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    padding: 10px 16px;
  }

  .svw-topbar.search-open .svw-search { display: flex; }


  /* Search toggle button: mobile only */
  .svw-search-toggle {
    display: flex;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-default);
    border: 1px solid var(--color-outline-variant);
    background: transparent;
    cursor: pointer;
    color: var(--color-on-surface-variant);
    transition: background 0.15s, color 0.15s;
  }

  .svw-search-toggle:hover,
  .svw-topbar.search-open .svw-search-toggle {
    background: var(--color-surface-container);
    color: var(--color-primary);
    border-color: var(--color-primary);
  }

  /* Hide "Add Device" text, keep icon */
  .svw-map-add-btn span,
  .svw-map-add-btn { font-size: 0; padding: 7px 10px; gap: 0; }
  .svw-map-add-btn svg { width: 16px; height: 16px; }

  /* Page padding */
  .svw-page { padding: var(--edge-margin) var(--edge-margin); }

  /* Page title */
  .svw-page__title { font-size: 20px; }

  /* Settings layout: stack vertically */
  .svw-settings-layout {
    grid-template-columns: 1fr !important;
  }

  .svw-settings-nav {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 6px;
    gap: 4px;
  }

  .svw-settings-tab {
    flex: 1 1 auto;
    min-width: 80px;
    justify-content: center;
    border-left: none !important;
    border-bottom: 3px solid transparent;
    padding: 8px 10px;
    font-size: 12px;
  }

  .svw-settings-tab.active {
    border-left-color: transparent !important;
    border-bottom-color: var(--color-primary);
  }

  /* Cards */
  .card-header { flex-wrap: wrap; gap: 8px; }

  /* Tables: horizontal scroll */
  table { display: block; overflow-x: auto; }
}