:root,
:host,
[data-theme="light"] {
  --app-sidebar-width: 220px;
  --app-main-max: 1280px;

  --app-bg:               #eef0f3;
  --app-surface:          #ffffff;
  --app-surface-muted:    #f3f4f6;
  --app-border:           #d1d5db;
  --app-border-strong:    #b8bdc4;
  --app-text:             #18181b;
  --app-text-muted:       #6b7280;
  --app-text-subtle:      #9ca3af;

  --app-accent:           #18181b;
  --app-accent-hover:     #27272a;
  --app-accent-fg:        #ffffff;

  --app-success:          #16a34a;
  --app-success-soft:     #ecfdf5;
  --app-success-text:     #065f46;
  --app-danger:           #b91c1c;
  --app-danger-hover:     #991b1b;
  --app-danger-soft:      #fef2f2;
  --app-danger-text:      #7f1d1d;
  --app-warning:          #b45309;
  --app-warning-soft:     #fffbeb;
  --app-warning-text:     #78350f;

  --pico-primary:                 var(--app-accent);
  --pico-primary-background:      var(--app-accent);
  --pico-primary-border:           var(--app-accent);
  --pico-primary-hover:           var(--app-accent-hover);
  --pico-primary-hover-background: var(--app-accent-hover);
  --pico-primary-hover-border:    var(--app-accent-hover);
  --pico-primary-focus:           rgba(24, 24, 27, .12);
  --pico-primary-inverse:         var(--app-accent-fg);

  --pico-background-color:        var(--app-bg);
  --pico-card-background-color:   var(--app-surface);
  --pico-card-sectioning-background-color: var(--app-surface);
  --pico-color:                   var(--app-text);
  --pico-muted-color:             var(--app-text-muted);
  --pico-muted-border-color:      var(--app-border);
  --pico-secondary:               var(--app-text-muted);
  --pico-secondary-background:    var(--app-surface-muted);
  --pico-secondary-border:        var(--app-border-strong);
  --pico-secondary-hover-background: #ececec;
  --pico-secondary-hover-border:  var(--app-border-strong);
  --pico-secondary-inverse:       var(--app-text);
  --pico-form-element-background-color: #ffffff;
  --pico-form-element-border-color: var(--app-border-strong);
  --pico-form-element-focus-color: var(--app-accent);
}

html[data-theme="dark"],
html[data-theme="dark"] :root {
  --app-bg:               #050507;
  --app-surface:          #16161a;
  --app-surface-muted:    #1e1e23;
  --app-border:           #2e2e34;
  --app-border-strong:    #45454c;
  --app-text:             #f4f4f5;
  --app-text-muted:       #a1a1aa;
  --app-text-subtle:      #71717a;

  --app-accent:           #f4f4f5;
  --app-accent-hover:     #e4e4e7;
  --app-accent-fg:        #18181b;

  --app-success-soft:     #052e1a;
  --app-success-text:     #bbf7d0;
  --app-danger-soft:      #2a0d0d;
  --app-danger-text:      #fecaca;
  --app-warning-soft:     #2a1d05;
  --app-warning-text:     #fde68a;

  --pico-primary:                  var(--app-accent);
  --pico-primary-background:       var(--app-accent);
  --pico-primary-border:           var(--app-accent);
  --pico-primary-hover:            var(--app-accent-hover);
  --pico-primary-hover-background: var(--app-accent-hover);
  --pico-primary-hover-border:     var(--app-accent-hover);
  --pico-primary-focus:            rgba(244, 244, 245, .18);
  --pico-primary-inverse:          var(--app-accent-fg);

  --pico-background-color:                 var(--app-bg);
  --pico-card-background-color:            var(--app-surface);
  --pico-card-sectioning-background-color: var(--app-surface);
  --pico-color:                            var(--app-text);
  --pico-muted-color:                      var(--app-text-muted);
  --pico-muted-border-color:               var(--app-border);
  --pico-secondary:                        var(--app-text-muted);
  --pico-secondary-background:             var(--app-surface-muted);
  --pico-secondary-border:                 var(--app-border-strong);
  --pico-secondary-hover-background:       #2a2a2e;
  --pico-secondary-hover-border:           var(--app-border-strong);
  --pico-secondary-inverse:                var(--app-text);
  --pico-form-element-background-color:    var(--app-surface);
  --pico-form-element-border-color:        var(--app-border-strong);
  --pico-form-element-focus-color:         var(--app-accent);

  color-scheme: dark;
}

body {
  margin: 0;
  font-size: 0.92rem;
  background: var(--app-bg);
  color: var(--app-text);
  -webkit-font-smoothing: antialiased;
}

input, select, textarea, button {
  --pico-form-element-spacing-vertical: .42rem;
  --pico-form-element-spacing-horizontal: .7rem;
  font-size: .85rem;
}

button, [role="button"], a[role="button"] {
  --pico-form-element-spacing-vertical: .38rem;
  --pico-form-element-spacing-horizontal: .75rem;
  font-size: .82rem;
  line-height: 1.2;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  background: var(--app-surface);
  border-color: var(--app-border-strong);
  color: var(--app-text);
  border-radius: .45rem;
}
input:not([type="checkbox"]):not([type="radio"]):focus,
select:focus,
textarea:focus {
  border-color: var(--app-accent);
  box-shadow: 0 0 0 3px rgba(24, 24, 27, .08);
}

input[type="checkbox"],
input[type="radio"] {
  width: 1rem;
  height: 1rem;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--app-accent);
}

input[type="hidden"] { display: none !important; }

input[type="search"] {
  --pico-icon-search: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%236b7280" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>');
  background-position: center left .7rem !important;
  background-size: .9rem auto !important;
  padding-left: 2rem !important;
}
[data-theme="dark"] input[type="search"] {
  --pico-icon-search: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23a1a1aa" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>');
}

button, [role="button"], a[role="button"] {
  border-radius: .45rem;
}

a { color: var(--app-text); }
a:hover { color: var(--app-accent); }

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

.app-sidebar {
  border-right: 1px solid var(--app-border);
  padding: 1rem .85rem;
  background: var(--app-surface);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.app-sidebar h2 {
  margin: 0 0 1.25rem;
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: .55rem;
  color: var(--app-text);
}

.app-sidebar nav { flex: 1; }
.app-sidebar nav ul { list-style: none; padding: 0; margin: 0; }
.app-sidebar nav li { margin: 0 0 .15rem; }
.app-sidebar nav a {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem .7rem;
  border-radius: .45rem;
  text-decoration: none;
  color: var(--app-text-muted);
  font-size: .88rem;
  transition: background .12s ease, color .12s ease;
}
.app-sidebar nav a:hover {
  background: var(--app-surface-muted);
  color: var(--app-text);
}
.app-sidebar nav a.active {
  background: var(--app-accent);
  color: var(--app-accent-fg);
}
.app-sidebar nav a .lucide { width: 1.05em; height: 1.05em; opacity: .85; }
.app-sidebar nav a.active .lucide { opacity: 1; }

.app-sidebar .user {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--app-border);
  font-size: .8rem;
  color: var(--app-text-muted);
}
.app-sidebar .user strong { color: var(--app-text); font-weight: 600; }

.app-main {
  padding: 1.25rem 1.75rem;
  max-width: var(--app-main-max);
  margin-inline: auto;
  width: 100%;
  min-width: 0;
}
.app-main > header.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: .75rem;
  flex-wrap: wrap;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--app-border);
}
.app-main > header.page-header h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: .5rem;
  min-width: 0;
  flex: 1 1 auto;
}
.app-main > header.page-header > .actions,
.app-main > header.page-header > button,
.app-main > header.page-header > a[role="button"] {
  flex: 0 0 auto;
  margin-left: auto;
}
.app-main > header.page-header > button,
.app-main > header.page-header > a[role="button"],
.app-main > header.page-header > .actions > button,
.app-main > header.page-header > .actions > a[role="button"] {
  --pico-form-element-spacing-vertical: .42rem;
  --pico-form-element-spacing-horizontal: .8rem;
  height: 2.2rem;
  font-size: .82rem;
  font-weight: 500;
  gap: .4rem;
  line-height: 1;
}
.app-main > header.page-header > button .lucide,
.app-main > header.page-header > a[role="button"] .lucide,
.app-main > header.page-header > .actions > button .lucide,
.app-main > header.page-header > .actions > a[role="button"] .lucide {
  width: 1em;
  height: 1em;
}

.app-topbar-toggle {
  display: none;
  position: sticky;
  top: 0;
  margin: 0 0 .75rem;
  width: auto;
  padding: .4rem .6rem;
  font-size: 1rem;
  line-height: 1;
  background: var(--app-surface);
  color: var(--app-text);
  border: 1px solid var(--app-border-strong);
  border-radius: .4rem;
  cursor: pointer;
}

article {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: .6rem;
  box-shadow: none;
}

table {
  font-size: .78rem;
  line-height: 1.35;
  background: var(--app-surface);
  border-radius: .55rem;
  overflow: hidden;
}
table thead th {
  white-space: nowrap;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--app-text-muted);
  background: var(--app-surface);
  border-bottom: 1px solid var(--app-border);
  padding: .45rem .65rem;
}
table th, table td {
  padding: .42rem .65rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--app-border);
}
table td code { font-size: .72rem; }
table tbody tr:last-child td { border-bottom: none; }
table tbody tr:hover { background: var(--app-surface-muted); }
table tbody tr.htmx-swapping { opacity: .4; transition: opacity .2s; }

.toolbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .5rem .65rem;
  align-items: end;
  margin-bottom: 1rem;
  padding: .7rem .8rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: .55rem;
}
.toolbar label {
  margin: 0;
  font-size: .72rem;
  font-weight: 500;
  color: var(--app-text-muted);
  text-transform: none;
  display: flex;
  flex-direction: column;
  gap: .2rem;
}
.toolbar input:not([type="checkbox"]):not([type="radio"]),
.toolbar select,
.toolbar button {
  --pico-form-element-spacing-vertical: .3rem;
  --pico-form-element-spacing-horizontal: .55rem;
  margin: 0;
  width: 100%;
  height: 2rem;
  font-size: .8rem;
  line-height: 1.1;
}
.toolbar > button[type="submit"] {
  align-self: end;
  max-width: 140px;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
}
.toolbar > button[type="submit"] .lucide { width: .95em; height: .95em; }
.toolbar form { display: contents; }

button, [role="button"], a[role="button"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  font-weight: 500;
  letter-spacing: 0;
  border-radius: .45rem;
}

button.secondary,
[role="button"].secondary {
  background: var(--app-surface);
  border-color: var(--app-border-strong);
  color: var(--app-text);
}
button.secondary:hover,
[role="button"].secondary:hover {
  background: var(--app-surface-muted);
  border-color: var(--app-border-strong);
  color: var(--app-text);
}
button.secondary.outline,
[role="button"].secondary.outline {
  background: transparent;
  border-color: var(--app-border-strong);
  color: var(--app-text);
}
button.secondary.outline:hover,
[role="button"].secondary.outline:hover {
  background: var(--app-surface-muted);
  color: var(--app-text);
}

button[data-variant="success"],
[role="button"][data-variant="success"] {
  background-color: var(--app-accent);
  border-color: var(--app-accent);
  color: var(--app-accent-fg);
}
button[data-variant="success"]:hover,
[role="button"][data-variant="success"]:hover {
  background-color: var(--app-accent-hover);
  border-color: var(--app-accent-hover);
  color: var(--app-accent-fg);
}

button[data-variant="danger"],
[role="button"][data-variant="danger"] {
  background-color: var(--app-danger);
  border-color: var(--app-danger);
  color: #fff;
}
button[data-variant="danger"]:hover,
[role="button"][data-variant="danger"]:hover {
  background-color: var(--app-danger-hover);
  border-color: var(--app-danger-hover);
  color: #fff;
}
button.outline[data-variant="danger"],
[role="button"].outline[data-variant="danger"] {
  background: transparent;
  color: var(--app-danger);
  border-color: var(--app-danger);
}
button.outline[data-variant="danger"]:hover,
[role="button"].outline[data-variant="danger"]:hover {
  background: var(--app-danger);
  color: #fff;
}

button[data-variant="warning"],
[role="button"][data-variant="warning"] {
  background-color: var(--app-surface);
  border-color: var(--app-warning);
  color: var(--app-warning);
}
button[data-variant="warning"]:hover,
[role="button"][data-variant="warning"]:hover {
  background-color: var(--app-warning-soft);
  border-color: var(--app-warning);
  color: var(--app-warning-text);
}

.lucide {
  width: 1em;
  height: 1em;
  vertical-align: -.15em;
  flex-shrink: 0;
  stroke-width: 1.75;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .15rem .55rem;
  border-radius: .35rem;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: uppercase;
  background: var(--app-surface-muted);
  color: var(--app-text-muted);
  border: 1px solid var(--app-border);
}
.badge.success {
  background: var(--app-success-soft);
  color: var(--app-success-text);
  border-color: transparent;
}
.badge.warn {
  background: var(--app-warning-soft);
  color: var(--app-warning-text);
  border-color: transparent;
}
.badge.error {
  background: var(--app-danger-soft);
  color: var(--app-danger-text);
  border-color: transparent;
}
.badge.muted {
  background: var(--app-surface-muted);
  color: var(--app-text-muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .85rem;
  margin-bottom: 1.25rem;
}
.card-stat {
  padding: .9rem 1rem;
  border: 1px solid var(--app-border);
  border-radius: .55rem;
  background: var(--app-surface);
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.card-stat .label {
  color: var(--app-text-muted);
  font-size: .78rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.card-stat .value {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -.015em;
  color: var(--app-text);
}

.flash {
  padding: .65rem .9rem;
  border-radius: .45rem;
  margin-bottom: .85rem;
  border: 1px solid;
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.flash.success {
  background: var(--app-success-soft);
  border-color: transparent;
  color: var(--app-success-text);
}
.flash.error {
  background: var(--app-danger-soft);
  border-color: transparent;
  color: var(--app-danger-text);
}

dialog::backdrop { background: rgba(0, 0, 0, .45); }
dialog > article {
  width: min(640px, 94vw);
  max-width: 640px;
  max-height: min(85vh, 720px);
  margin: auto;
  padding: .85rem 1rem;
  background: var(--app-surface);
  color: var(--app-text);
  border: 1px solid var(--app-border);
  border-radius: .55rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .2);
  overflow-y: auto;
}
dialog > article > header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 .65rem;
  padding: 0 0 .55rem;
  border-bottom: 1px solid var(--app-border);
}
dialog > article > header h3 { margin: 0; font-size: 1rem; font-weight: 600; }
dialog > article > header > button {
  --pico-form-element-spacing-vertical: .25rem;
  --pico-form-element-spacing-horizontal: .4rem;
}
dialog form {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .55rem .85rem;
}
dialog form > label,
dialog form > div { min-width: 0; }
dialog form > .grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .55rem .85rem;
}
dialog form > footer {
  grid-column: 1 / -1;
  display: flex;
  gap: .5rem;
  justify-content: flex-end;
  margin: .5rem 0 0;
  padding: .65rem 0 0;
  border-top: 1px solid var(--app-border);
}
dialog form label {
  margin: 0;
  font-size: .78rem;
  color: var(--app-text-muted);
  display: flex;
  flex-direction: column;
  gap: .2rem;
}
dialog form input:not([type="checkbox"]):not([type="radio"]),
dialog form select,
dialog form textarea {
  font-size: .85rem;
  --pico-form-element-spacing-vertical: .4rem;
  margin: 0;
}
dialog form label > input[type="checkbox"] {
  width: auto;
  margin-right: .35rem;
}
dialog form label:has(> input[type="checkbox"]) {
  flex-direction: row;
  align-items: center;
  font-size: .85rem;
  color: var(--app-text);
  grid-column: 1 / -1;
}

.pagination {
  display: flex;
  gap: .5rem;
  align-items: center;
  justify-content: flex-end;
  margin-top: 1rem;
  font-size: .8rem;
  flex-wrap: wrap;
  color: var(--app-text-muted);
}
.pagination .muted { margin-right: auto; color: var(--app-text-muted); }

main h2 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -.005em;
  margin: 0;
}
main section { margin-top: 1.25rem; }
main section > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .55rem;
  padding: 0;
  border: none;
  background: transparent;
}

.actions { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.actions button, .actions a {
  margin: 0;
  width: auto;
}

.actions-menu {
  position: relative;
  margin: 0;
}
.actions-menu > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .32rem .65rem;
  font-size: .8rem;
  font-weight: 500;
  background: var(--app-surface);
  border: 1px solid var(--app-border-strong);
  border-radius: .45rem;
  color: var(--app-text);
  user-select: none;
}
.actions-menu > summary::-webkit-details-marker { display: none; }
.actions-menu > summary::marker { content: ""; }
.actions-menu > summary:hover { background: var(--app-surface-muted); }
.actions-menu[open] > summary { background: var(--app-surface-muted); }
.actions-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + .25rem);
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .35rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: .5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
  z-index: 20;
}
.actions-menu-panel button,
.actions-menu-panel a[role="button"] {
  width: 100%;
  justify-content: flex-start;
  background: transparent;
  border: none;
  color: var(--app-text);
  padding: .4rem .55rem;
  font-size: .82rem;
  border-radius: .35rem;
}
.actions-menu-panel button:hover,
.actions-menu-panel a[role="button"]:hover {
  background: var(--app-surface-muted);
  color: var(--app-text);
}
.actions-menu-panel button[data-variant="danger"] { color: var(--app-danger); }
.actions-menu-panel button[data-variant="danger"]:hover {
  background: var(--app-danger-soft);
  color: var(--app-danger);
}
.actions-menu-panel hr {
  border: 0;
  border-top: 1px solid var(--app-border);
  margin: .25rem 0;
}

.emp-sync-flag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin: .75rem 0 0;
  font-size: .82rem;
  color: var(--app-text);
}

form .actions { margin-top: .75rem; }

.detail-list {
  display: grid;
  grid-template-columns: minmax(8rem, max-content) 1fr;
  gap: .4rem 1rem;
  margin: 0;
  font-size: .88rem;
}
.detail-list dt {
  color: var(--app-text-muted);
  font-weight: 500;
  margin: 0;
}
.detail-list dd {
  margin: 0;
  color: var(--app-text);
  word-break: break-word;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem 2rem;
}

table .actions button,
table .actions a,
table td button,
table td a[role="button"] {
  --pico-form-element-spacing-vertical: .25rem;
  --pico-form-element-spacing-horizontal: .55rem;
  font-size: .76rem;
  gap: .3rem;
}
table .actions button .lucide,
table td button .lucide,
table td a[role="button"] .lucide {
  width: .9em;
  height: .9em;
}

.pagination button,
.pagination a[role="button"] {
  --pico-form-element-spacing-vertical: .3rem;
  --pico-form-element-spacing-horizontal: .65rem;
  font-size: .78rem;
}

code {
  background: var(--app-surface-muted);
  color: var(--app-text);
  padding: .1rem .35rem;
  border-radius: .25rem;
  font-size: .82em;
  border: 1px solid var(--app-border);
}

.device-strip-wrap {
  margin: 0 0 1.25rem;
}
.device-strip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .55rem;
  gap: .75rem;
}
.device-strip-header h2 {
  margin: 0;
  font-size: .95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--app-text);
}
.device-strip-header a { text-decoration: none; }
.device-strip-header a:hover { color: var(--app-accent); }

.device-strip {
  display: flex;
  gap: .65rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: .25rem .15rem .7rem;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.device-strip::-webkit-scrollbar { height: 8px; }
.device-strip::-webkit-scrollbar-track { background: transparent; }
.device-strip::-webkit-scrollbar-thumb {
  background: var(--app-border-strong);
  border-radius: 4px;
}
.device-strip::-webkit-scrollbar-thumb:hover { background: var(--app-text-subtle); }

.device-card {
  flex: 0 0 220px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: .7rem .8rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: .55rem;
  color: var(--app-text);
  text-decoration: none;
  transition: border-color .12s ease, transform .12s ease, box-shadow .12s ease;
  min-width: 0;
}
.device-card:hover {
  border-color: var(--app-border-strong);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .06);
  transform: translateY(-1px);
}

.device-card-top {
  display: flex;
  align-items: center;
  gap: .5rem;
  min-width: 0;
}
.device-card-name {
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: -.005em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1;
}
.device-card-serial {
  font-size: .72rem;
  color: var(--app-text-muted);
}
.device-card-serial code {
  font-size: .72rem;
  padding: .05rem .3rem;
}
.device-card-meta {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  font-size: .72rem;
  color: var(--app-text-muted);
}
.device-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.device-card-meta .lucide {
  width: .85em;
  height: .85em;
  opacity: .75;
  flex-shrink: 0;
}
.device-card-footer {
  margin-top: .15rem;
}

.status-dot {
  display: inline-block;
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--app-text-subtle);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(156, 163, 175, .18);
}
.device-card[data-status="ONLINE"] .status-dot {
  background: var(--app-success);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, .2);
  animation: status-pulse 2s ease-in-out infinite;
}
.device-card[data-status="OFFLINE"] .status-dot {
  background: var(--app-danger);
  box-shadow: 0 0 0 3px rgba(185, 28, 28, .2);
}
.device-card[data-status="UNKNOWN"] .status-dot,
.device-card[data-status="DISABLED"] .status-dot {
  background: var(--app-warning);
  box-shadow: 0 0 0 3px rgba(180, 83, 9, .2);
}

@keyframes status-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(22, 163, 74, .2); }
  50%      { box-shadow: 0 0 0 5px rgba(22, 163, 74, .05); }
}

.signin-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(circle at 20% 0%, rgba(24, 24, 27, .06), transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(24, 24, 27, .05), transparent 50%),
    var(--app-bg);
}
[data-theme="dark"] .signin-shell {
  background:
    radial-gradient(circle at 20% 0%, rgba(244, 244, 245, .04), transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(244, 244, 245, .03), transparent 50%),
    var(--app-bg);
}
.signin-card {
  max-width: 380px;
  width: 100%;
  text-align: center;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: .85rem;
  padding: 1.75rem 1.6rem 1.4rem;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .6) inset,
    0 12px 36px rgba(15, 23, 42, .08),
    0 2px 6px rgba(15, 23, 42, .04);
}
[data-theme="dark"] .signin-card {
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .04) inset,
    0 12px 36px rgba(0, 0, 0, .5);
}
.signin-logo {
  display: block;
  margin: .25rem auto 1.2rem;
  width: 130px;
  max-width: 60%;
  height: auto;
}
[data-theme="dark"] .signin-logo {
  filter: invert(1) brightness(1.05);
}
.signin-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .15rem;
  margin-bottom: .5rem;
}
.signin-title {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--app-text);
  line-height: 1.1;
}
.signin-subtitle {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--app-text-muted);
}
.signin-blurb {
  margin: 0 auto 1.25rem;
  max-width: 28ch;
  font-size: .82rem;
  line-height: 1.5;
  color: var(--app-text-muted);
}
.signin-cta {
  width: 100%;
  justify-content: center;
  padding: .6rem .9rem !important;
  font-size: .88rem;
  font-weight: 600;
  height: auto;
  gap: .5rem;
}
.signin-footnote {
  margin: 1rem 0 0;
  font-size: .7rem;
  letter-spacing: .04em;
  color: var(--app-text-subtle);
}

@media (max-width: 1100px) {
  :root { --app-sidebar-width: 200px; }
  .app-main { padding: 1rem 1.25rem; }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 260px;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 4px 0 16px rgba(0, 0, 0, .08);
  }
  .app-shell.sidebar-open .app-sidebar { transform: translateX(0); }
  .app-shell.sidebar-open::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .4);
    z-index: 40;
  }
  .app-topbar-toggle { display: inline-flex; }
}

@media (max-width: 700px) {
  main table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 600px) {
  .app-main { padding: .85rem; }
  .toolbar {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    padding: .6rem .65rem;
    gap: .4rem .55rem;
  }
  .app-main > header.page-header {
    gap: .5rem;
    padding-bottom: .6rem;
  }
  .app-main > header.page-header h1 { font-size: 1.1rem; }
  .cards { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .55rem; }
  .card-stat .value { font-size: 1.25rem; }
}