/* ─── Variables ─────────────────────────────────────────────────────────── */
:root {
  --bg:         #080c14;
  --bg-2:       #0d1424;
  --bg-3:       #111f38;
  --surface:    #111827;
  --surface-2:  #1a2540;
  --border:     #1e2d4a;
  --border-2:   #243758;
  --accent:     #f97316;
  --accent-h:   #ea580c;
  --accent-glow:rgba(249,115,22,0.18);
  --accent-bg:  rgba(249,115,22,0.08);
  --text:       #f1f5f9;
  --text-2:     #94a3b8;
  --text-3:     #475569;
  --ok:         #22c55e;
  --ok-bg:      rgba(34,197,94,0.1);
  --warn:       #f59e0b;
  --warn-bg:    rgba(245,158,11,0.1);
  --err:        #ef4444;
  --err-bg:     rgba(239,68,68,0.1);
  --unk:        #6b7280;
  --unk-bg:     rgba(107,114,128,0.1);
  --radius:     10px;
  --radius-lg:  16px;
  --shadow:     0 4px 24px rgba(0,0,0,0.5);
  --transition: 0.18s ease;
  --nav-h:      64px;
}

/* ─── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-h); }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

/* ─── Scrollbar ─────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ─── Navbar ─────────────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(8,12,20,0.85);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.nav-inner {
  width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 32px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; color: var(--text);
  letter-spacing: -0.5px;
}
.nav-brand svg { color: var(--accent); }
.nav-brand span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-link {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: 8px;
  color: var(--text-2); font-size: 14px; font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-link.active { color: var(--accent); background: var(--accent-bg); border-color: var(--accent-glow); }
.nav-link svg { width: 16px; height: 16px; flex-shrink: 0; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-config {
  font-size: 12px; color: var(--text-3); padding: 4px 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; max-width: 200px; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.nav-logout {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-2); font-size: 14px;
  transition: var(--transition);
}
.nav-logout:hover { color: var(--err); border-color: var(--err); background: var(--err-bg); }
.nav-logout svg { width: 15px; height: 15px; }

/* ─── Page wrapper ───────────────────────────────────────────────────────── */
.page { padding-top: var(--nav-h); min-height: 100vh; }
.container { max-width: 1400px; margin: 0 auto; padding: 32px 24px; }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; border: none;
  transition: var(--transition); white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover { background: var(--accent-h); box-shadow: 0 0 28px rgba(249,115,22,0.35); }
.btn-secondary {
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-secondary:hover { background: var(--bg-3); border-color: var(--accent); color: var(--accent); }
.btn-ghost {
  background: transparent; color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface); color: var(--text); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 12px; }
.btn svg { width: 16px; height: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Cards ──────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  transition: var(--transition);
}
.card:hover { border-color: var(--border-2); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 16px; font-weight: 600; }

/* ─── Status badges ──────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.3px;
}
.badge-ok     { color: var(--ok);   background: var(--ok-bg);   border: 1px solid rgba(34,197,94,0.2); }
.badge-warn   { color: var(--warn); background: var(--warn-bg); border: 1px solid rgba(245,158,11,0.2); }
.badge-err    { color: var(--err);  background: var(--err-bg);  border: 1px solid rgba(239,68,68,0.2); }
.badge-unk    { color: var(--unk);  background: var(--unk-bg);  border: 1px solid rgba(107,114,128,0.2); }

.dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; display: inline-block;
}
.dot-ok   { background: var(--ok);   box-shadow: 0 0 6px var(--ok); }
.dot-warn { background: var(--warn); box-shadow: 0 0 6px var(--warn); }
.dot-err  { background: var(--err);  box-shadow: 0 0 6px var(--err);  animation: pulse-err 2s infinite; }
.dot-unk  { background: var(--unk); }

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

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-2); }
.form-input {
  background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text); border-radius: var(--radius);
  padding: 10px 14px; font-size: 14px; font-family: inherit;
  transition: var(--transition); outline: none; width: 100%;
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }
.form-input::placeholder { color: var(--text-3); }
.form-hint { font-size: 12px; color: var(--text-3); }
.form-error { font-size: 12px; color: var(--err); }
select.form-input { appearance: none; cursor: pointer; }

/* ─── Tables ─────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--bg-2); text-align: left; padding: 12px 16px;
  font-size: 12px; font-weight: 600; color: var(--text-2);
  text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap;
}
td { padding: 12px 16px; border-top: 1px solid var(--border); font-size: 14px; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* ─── Spinner ─────────────────────────────────────────────────────────────── */
.spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid var(--border); border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; padding: 64px; color: var(--text-2);
}

/* ─── Toast ──────────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  background: var(--surface-2); border: 1px solid var(--border-2);
  border-radius: var(--radius); padding: 12px 18px;
  font-size: 14px; box-shadow: var(--shadow);
  animation: slideIn 0.2s ease; min-width: 240px;
}
.toast-success { border-color: rgba(34,197,94,0.4); color: var(--ok); }
.toast-error   { border-color: rgba(239,68,68,0.4); color: var(--err); }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ─── Filters ─────────────────────────────────────────────────────────────── */
.filters { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 500;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-2);
  transition: var(--transition); cursor: pointer;
}
.filter-btn:hover { border-color: var(--border-2); color: var(--text); }
.filter-btn.active { background: var(--accent-bg); border-color: var(--accent-glow); color: var(--accent); }
.filter-btn.f-ok.active   { background: var(--ok-bg);   border-color: rgba(34,197,94,0.3);  color: var(--ok); }
.filter-btn.f-warn.active { background: var(--warn-bg); border-color: rgba(245,158,11,0.3); color: var(--warn); }
.filter-btn.f-err.active  { background: var(--err-bg);  border-color: rgba(239,68,68,0.3);  color: var(--err); }

/* ─── Device table ────────────────────────────────────────────────────────── */
.page-header-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.filters-row { margin-bottom: 20px; }

.devices-table { width: 100%; }
.devices-table th { white-space: nowrap; }
.devices-table .col-avail { text-align: right; white-space: nowrap; width: 56px; }
.devices-table .col-time  { white-space: nowrap; color: var(--text-2); font-size: 13px; }
.devices-table .col-actions { width: 1%; white-space: nowrap; padding-right: 12px; }

.device-row-link { cursor: pointer; }
.device-row-link:hover td { background: rgba(249,115,22,0.06); }
.device-row-static { cursor: default; }

.row-name {
  font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.row-model { font-size: 12px; color: var(--text-3); margin-top: 2px; }

.device-type {
  font-size: 11px; font-weight: 600; color: var(--text-3);
  background: var(--bg-2); border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 4px; text-transform: uppercase;
  letter-spacing: 0.5px; white-space: nowrap; display: inline-block;
}
.manual-badge {
  font-size: 10px; font-weight: 700; color: var(--warn);
  background: var(--warn-bg); border: 1px solid rgba(245,158,11,0.25);
  padding: 1px 6px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.3px;
}
.avail-dash { color: var(--text-3); }

/* ─── Search ─────────────────────────────────────────────────────────────── */
.search-wrap { position: relative; }
.search-wrap svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--text-3); pointer-events: none;
}
.search-input {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); border-radius: var(--radius);
  padding: 10px 14px 10px 38px; font-size: 14px; font-family: inherit;
  transition: var(--transition); outline: none; width: 260px;
}
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }

/* ─── Page headers ────────────────────────────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 28px;
}
.page-title { font-size: 24px; font-weight: 700; }
.page-subtitle { font-size: 14px; color: var(--text-2); margin-top: 2px; }

/* ─── Stats row ──────────────────────────────────────────────────────────── */
.stats-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px; flex: 1; min-width: 120px;
}
.stat-val { font-size: 28px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-2); margin-top: 2px; }
.stat-ok   .stat-val { color: var(--ok); }
.stat-warn .stat-val { color: var(--warn); }
.stat-err  .stat-val { color: var(--err); }

/* ─── Map layout ─────────────────────────────────────────────────────────── */
.map-layout {
  display: grid; grid-template-columns: 320px 1fr;
  height: calc(100vh - var(--nav-h)); overflow: hidden;
}
.map-sidebar {
  background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
}
.map-sidebar-header {
  padding: 20px; border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px;
}
.map-sidebar-body { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
#map-container { width: 100%; height: 100%; }
.map-device-item {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  transition: var(--transition); cursor: pointer;
}
.map-device-item:hover { border-color: var(--border-2); background: var(--surface-2); }
.map-device-item.has-location { border-color: rgba(34,197,94,0.2); }
.map-device-info { flex: 1; min-width: 0; }
.map-device-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.map-device-type { font-size: 11px; color: var(--text-3); }

/* ─── History layout ──────────────────────────────────────────────────────── */
.history-timeline {
  display: flex; gap: 2px; border-radius: var(--radius); overflow: hidden;
  height: 48px; margin: 16px 0;
}
.timeline-block {
  flex: 1; min-width: 4px; cursor: pointer; position: relative;
  transition: opacity 0.1s;
}
.timeline-block:hover { opacity: 0.8; }
.timeline-block.ok   { background: var(--ok); }
.timeline-block.warn { background: var(--warn); }
.timeline-block.err  { background: var(--err); }
.timeline-block.unk  { background: var(--unk); }
.timeline-tooltip {
  position: absolute; bottom: 110%; left: 50%; transform: translateX(-50%);
  background: var(--surface-2); border: 1px solid var(--border-2);
  border-radius: 6px; padding: 6px 10px; font-size: 12px; white-space: nowrap;
  pointer-events: none; opacity: 0; transition: opacity 0.15s; z-index: 10;
}
.timeline-block:hover .timeline-tooltip { opacity: 1; }

/* ─── Utility ────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ─── Auth form helpers ──────────────────────────────────────────────────── */
.auth-btn-full { width: 100%; justify-content: center; }
.auth-back-row { text-align: center; font-size: 13px; color: var(--text-3); }
.auth-back-row a { color: var(--text-3); }
.auth-success {
  display: none;
  background: var(--ok-bg); border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius); padding: 12px;
  font-size: 13px; color: var(--ok);
}

/* ─── Login page ─────────────────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px; background: var(--bg);
  background-image: radial-gradient(ellipse at 30% 20%, rgba(249,115,22,0.07) 0%, transparent 50%),
                    radial-gradient(ellipse at 80% 80%, rgba(239,68,68,0.04) 0%, transparent 50%);
}
.auth-card {
  width: 100%; max-width: 440px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow);
}
.auth-logo {
  display: flex; align-items: center; gap: 10px; justify-content: center;
  margin-bottom: 32px; font-size: 24px; font-weight: 700;
}
.auth-logo svg { color: var(--accent); width: 36px; height: 36px; }
.auth-logo span { color: var(--accent); }
.auth-tabs { display: flex; gap: 2px; background: var(--bg-2); border-radius: 8px; padding: 3px; margin-bottom: 28px; }
.auth-tab {
  flex: 1; padding: 8px; text-align: center; border-radius: 6px;
  font-size: 13px; font-weight: 500; color: var(--text-2);
  cursor: pointer; transition: var(--transition); border: none; background: none;
}
.auth-tab.active { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.auth-form { display: flex; flex-direction: column; gap: 18px; }
.auth-panel { display: none; }
.auth-panel.active { display: flex; flex-direction: column; gap: 18px; }
.auth-info {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
  font-size: 13px; color: var(--text-2); line-height: 1.6;
}
.auth-info svg { color: var(--accent); width: 16px; height: 16px; vertical-align: middle; margin-right: 6px; }

/* ─── Landing page ───────────────────────────────────────────────────────── */
.landing-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(8,12,20,0.0);
  -webkit-backdrop-filter: blur(0px);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  display: flex; align-items: center;
  transition: all 0.3s ease;
}
.landing-nav.scrolled {
  background: rgba(8,12,20,0.9);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; text-align: center; padding: 80px 24px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(249,115,22,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(239,68,68,0.05) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 80% 60%, rgba(249,115,22,0.04) 0%, transparent 50%);
}
.hero-orbs { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); animation: orbFloat 8s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: rgba(249,115,22,0.12); top: -150px; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.orb-2 { width: 300px; height: 300px; background: rgba(239,68,68,0.06); bottom: 10%; right: 10%; animation-delay: -3s; }
.orb-3 { width: 250px; height: 250px; background: rgba(249,115,22,0.06); bottom: 20%; left: 5%; animation-delay: -5s; }
@keyframes orbFloat {
  0%,100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(20px, -30px) scale(1.05); }
  66%      { transform: translate(-15px, 15px) scale(0.95); }
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-bg); border: 1px solid rgba(249,115,22,0.3);
  color: var(--accent); border-radius: 20px; padding: 6px 16px;
  font-size: 13px; font-weight: 600; margin-bottom: 24px;
}
.hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse-err 2s infinite; }
.hero-h1 {
  font-size: clamp(40px, 7vw, 72px); font-weight: 800;
  line-height: 1.1; letter-spacing: -2px; margin-bottom: 20px;
}
.hero-h1 em { font-style: normal; color: var(--accent); }
.hero-sub {
  font-size: clamp(16px, 2vw, 20px); color: var(--text-2);
  max-width: 560px; margin: 0 auto 36px; line-height: 1.7;
}
.hero-cta { display: flex; align-items: center; gap: 12px; justify-content: center; flex-wrap: wrap; }

.features { padding: 100px 24px; background: var(--bg-2); }
.features-inner { max-width: 1200px; margin: 0 auto; }
.section-label {
  font-size: 13px; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 12px;
}
.section-title { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.section-sub { font-size: 16px; color: var(--text-2); max-width: 520px; line-height: 1.7; }
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px; margin-top: 56px;
}
.feature-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--accent-glow); transform: translateY(-4px); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--accent-bg); border: 1px solid rgba(249,115,22,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); margin-bottom: 18px;
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-desc { font-size: 14px; color: var(--text-2); line-height: 1.7; }

.adapters { padding: 100px 24px; }
.adapters-inner { max-width: 1200px; margin: 0 auto; }
.adapter-list {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px;
}
.adapter-chip {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 16px;
  font-size: 13px; font-weight: 500; color: var(--text-2);
  transition: var(--transition);
}
.adapter-chip:hover { border-color: var(--accent-glow); color: var(--text); background: var(--accent-bg); }

.cta-section {
  padding: 100px 24px;
  background: radial-gradient(ellipse 60% 80% at 50% 0%, rgba(249,115,22,0.1) 0%, transparent 60%);
  text-align: center; border-top: 1px solid var(--border);
}
.cta-inner { max-width: 640px; margin: 0 auto; }
.cta-h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.cta-sub { font-size: 16px; color: var(--text-2); margin-bottom: 36px; }
.footer {
  border-top: 1px solid var(--border); padding: 32px 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px; max-width: 1200px; margin: 0 auto;
  font-size: 13px; color: var(--text-3);
}
.footer-brand { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text-2); }
.footer-brand svg { color: var(--accent); }

/* ─── Empty states ────────────────────────────────────────────────────────── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; padding: 64px; text-align: center; color: var(--text-2);
}
.empty-state svg { width: 48px; height: 48px; color: var(--text-3); margin-bottom: 8px; }
.empty-state h3 { font-size: 18px; font-weight: 600; }
.empty-state p { font-size: 14px; color: var(--text-3); }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .map-layout { grid-template-columns: 1fr; grid-template-rows: 300px 1fr; }
  .map-sidebar { border-right: none; border-bottom: 1px solid var(--border); max-height: 300px; }
  .nav-links { display: none; }
  .availability-row { grid-template-columns: repeat(2, 1fr); }
  .devices-grid { grid-template-columns: 1fr; }
}