*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg0: #0F172A;
  --bg1: #1E293B;
  --bg2: #334155;
  --bg3: #475569;
  --t1:  #F1F5F9;
  --t2:  #94A3B8;
  --t3:  #64748B;
  --bdr: #1E293B;
  --bdr2:#334155;
  --ca:  #0EA5E9;
  --cb:  #0284C7;
  --cs:  #10B981;
  --cw:  #F59E0B;
  --cr:  #EF4444;
  --cp:  #8B5CF6;
  --radius: 8px;
}

html, body { height: 100%; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  background: var(--bg0);
  color: var(--t1);
  line-height: 1.5;
}

/* ── Login ───────────────────────────────────────────────────────────────── */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg0);
}
.login-box {
  width: 100%;
  max-width: 380px;
  background: var(--bg1);
  border: 1px solid var(--bdr2);
  border-radius: 12px;
  padding: 32px;
}
.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.login-title { font-size: 16px; font-weight: 600; }
.login-sub   { font-size: 12px; color: var(--t3); }
.btn-block   { width: 100%; justify-content: center; margin-top: 4px; }

/* ── App shell ───────────────────────────────────────────────────────────── */
.app { display: flex; height: 100vh; overflow: hidden; }

.sidebar {
  width: 220px;
  background: var(--bg1);
  border-right: 1px solid var(--bdr2);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--bdr2);
}
.logo-icon {
  width: 32px; height: 32px;
  background: var(--ca);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; flex-shrink: 0;
}
.logo-text { font-size: 14px; font-weight: 600; }
.logo-sub  { font-size: 11px; color: var(--t3); }

nav { flex: 1; padding: 8px; overflow-y: auto; }
.nav-section {
  font-size: 10px; font-weight: 500; color: var(--t3);
  padding: 12px 8px 4px; text-transform: uppercase; letter-spacing: .5px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 6px;
  cursor: pointer; color: var(--t2); font-size: 13px;
  text-decoration: none; transition: all .12s; margin-bottom: 1px;
}
.nav-item:hover  { background: var(--bg2); color: var(--t1); }
.nav-item.active { background: #0C2A3E; color: var(--ca); }
.nav-item i      { font-size: 17px; width: 20px; }
.nav-badge {
  margin-left: auto; background: var(--cr);
  color: #fff; font-size: 10px; padding: 1px 6px;
  border-radius: 10px; font-weight: 500;
}

.sidebar-footer {
  padding: 12px; border-top: 1px solid var(--bdr2);
}
.user-chip { display: flex; align-items: center; gap: 8px; }
.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--ca); display: flex; align-items: center;
  justify-content: center; color: #fff; font-size: 12px;
  font-weight: 600; flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 12px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--t3); }
.btn-icon {
  background: none; border: none; color: var(--t3);
  cursor: pointer; padding: 4px; font-size: 16px; border-radius: 4px;
}
.btn-icon:hover { color: var(--t1); background: var(--bg2); }

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

.topbar {
  background: var(--bg1); border-bottom: 1px solid var(--bdr2);
  padding: 0 24px; height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.page-title { font-size: 16px; font-weight: 600; }
.topbar-actions { display: flex; gap: 8px; }

.content { flex: 1; overflow-y: auto; padding: 24px; }
.view { display: none; }
.view.active { display: block; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 6px; font-size: 13px;
  cursor: pointer; border: 1px solid var(--bdr2);
  background: var(--bg2); color: var(--t1);
  transition: all .12s; font-family: inherit; text-decoration: none;
}
.btn:hover        { background: var(--bg3); }
.btn-primary      { background: var(--ca); border-color: var(--ca); color: #fff; }
.btn-primary:hover{ background: var(--cb); border-color: var(--cb); }
.btn-danger       { background: transparent; border-color: var(--cr); color: var(--cr); }
.btn-danger:hover { background: #2D1515; }
.btn-success      { background: transparent; border-color: var(--cs); color: var(--cs); }
.btn-success:hover{ background: #0D2B22; }
.btn-sm           { padding: 5px 10px; font-size: 12px; }
.btn-xs           { padding: 3px 8px; font-size: 11px; }

/* ── Forms ───────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
label { display: block; font-size: 12px; font-weight: 500; color: var(--t2); margin-bottom: 5px; }
input, select, textarea {
  width: 100%; padding: 8px 10px;
  border: 1px solid var(--bdr2); border-radius: 6px;
  background: var(--bg0); color: var(--t1); font-size: 13px;
  font-family: inherit; outline: none; transition: border-color .12s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--ca); box-shadow: 0 0 0 3px rgba(14,165,233,.15);
}
select option { background: var(--bg1); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row  { display: flex; gap: 10px; margin-top: 16px; justify-content: flex-end; }

/* ── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg1); border: 1px solid var(--bdr2);
  border-radius: 12px; overflow: hidden; margin-bottom: 16px;
}
.card-header {
  padding: 14px 20px; border-bottom: 1px solid var(--bdr2);
  display: flex; align-items: center; justify-content: space-between;
}
.card-title { font-size: 14px; font-weight: 600; }
.card-body  { padding: 16px 20px; }

/* ── Metrics ─────────────────────────────────────────────────────────────── */
.metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 20px; }
.metric  { background: var(--bg1); border: 1px solid var(--bdr2); border-radius: 10px; padding: 16px; }
.metric-label { font-size: 12px; color: var(--t2); margin-bottom: 6px; }
.metric-value { font-size: 26px; font-weight: 600; }
.metric-sub   { font-size: 11px; color: var(--t3); margin-top: 3px; }
.metric-up    { color: var(--cs); }
.metric-down  { color: var(--cr); }

/* ── Tables ──────────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; padding: 10px 14px;
  border-bottom: 1px solid var(--bdr2);
  font-size: 11px; font-weight: 500; color: var(--t3);
  text-transform: uppercase; letter-spacing: .4px;
  white-space: nowrap;
}
td { padding: 10px 14px; border-bottom: 1px solid var(--bdr2); }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg0); }
.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

/* ── Badges ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 500;
  white-space: nowrap;
}
.badge-green  { background: #0D2B22; color: #34D399; border: 1px solid #065F46; }
.badge-red    { background: #2D1515; color: #F87171; border: 1px solid #7F1D1D; }
.badge-amber  { background: #2D200A; color: #FCD34D; border: 1px solid #78350F; }
.badge-blue   { background: #0C2A3E; color: #38BDF8; border: 1px solid #0C4A6E; }
.badge-gray   { background: var(--bg2); color: var(--t2); border: 1px solid var(--bdr2); }
.badge-purple { background: #1E1040; color: #A78BFA; border: 1px solid #4C1D95; }

.dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.dot-green  { background: var(--cs); }
.dot-red    { background: var(--cr); }
.dot-amber  { background: var(--cw); }
.dot-gray   { background: var(--t3); }

/* ── Alerts ──────────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px; border-radius: 8px; font-size: 13px;
  margin-bottom: 16px; display: flex; align-items: flex-start; gap: 10px;
  line-height: 1.5;
}
.alert i { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.alert-warning { background: #2D200A; border: 1px solid #78350F; color: #FCD34D; }
.alert-info    { background: #0C2A3E; border: 1px solid #0C4A6E; color: #38BDF8; }
.alert-success { background: #0D2B22; border: 1px solid #065F46; color: #34D399; }
.alert-danger  { background: #2D1515; border: 1px solid #7F1D1D; color: #F87171; }

/* ── Misc ────────────────────────────────────────────────────────────────── */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid var(--bdr2);
}
.stat-row:last-child { border-bottom: none; }
.stat-key { font-size: 12px; color: var(--t2); }
.stat-val { font-size: 13px; font-weight: 500; }

.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.section-title { font-size: 15px; font-weight: 600; }

.tabs { display: flex; border-bottom: 1px solid var(--bdr2); margin-bottom: 20px; }
.tab {
  padding: 8px 16px; font-size: 13px; cursor: pointer;
  color: var(--t2); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab.active { color: var(--ca); border-bottom-color: var(--ca); }
.tab:hover  { color: var(--t1); }

.empty-state {
  text-align: center; padding: 48px 24px; color: var(--t3);
}
.empty-state i { font-size: 48px; display: block; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

.loading { text-align: center; padding: 40px; color: var(--t3); }
.loading i { font-size: 24px; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.map-placeholder {
  background: var(--bg0); border: 1px solid var(--bdr2); border-radius: 8px;
  height: 180px; display: flex; align-items: center; justify-content: center;
  color: var(--t3); font-size: 13px; gap: 8px; margin-bottom: 16px;
}

/* Signup steps */
.signup-steps { display: flex; margin-bottom: 32px; }
.signup-step  { flex: 1; display: flex; flex-direction: column; align-items: center; position: relative; }
.signup-step:not(:last-child)::after {
  content: ''; position: absolute; top: 15px; left: 60%; width: 80%;
  height: 1px; background: var(--bdr2);
}
.step-circle {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 500; z-index: 1; margin-bottom: 6px;
  background: var(--bg2); color: var(--t2); border: 1px solid var(--bdr2);
}
.step-circle.done    { background: var(--cs); color: #fff; border-color: var(--cs); }
.step-circle.current { background: var(--ca); color: #fff; border-color: var(--ca); }
.step-label { font-size: 11px; color: var(--t3); }
.step-label.current { color: var(--ca); font-weight: 500; }

/* Pricing */
.pricing-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 20px; }
.pricing-card {
  border: 1px solid var(--bdr2); border-radius: 10px; padding: 20px;
  cursor: pointer; transition: all .12s; background: var(--bg1);
}
.pricing-card:hover   { border-color: var(--ca); }
.pricing-card.selected{ border: 2px solid var(--ca); background: #0C2A3E; }
.price-badge {
  display: inline-block; background: #0C2A3E; color: var(--ca);
  font-size: 10px; font-weight: 500; padding: 2px 8px;
  border-radius: 10px; margin-bottom: 8px;
}
.price-name   { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.price-amount { font-size: 24px; font-weight: 600; margin-bottom: 2px; }
.price-period { font-size: 11px; color: var(--t3); margin-bottom: 12px; }
.price-feature{ font-size: 12px; color: var(--t2); padding: 3px 0; display: flex; align-items: center; gap: 6px; }
.price-feature i { color: var(--cs); }

/* Device qty picker */
.device-unit {
  border: 1px solid var(--bdr2); border-radius: 8px; padding: 14px;
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px;
}
.qty-control { display: flex; align-items: center; gap: 10px; }
.qty-btn {
  width: 28px; height: 28px; border-radius: 6px;
  border: 1px solid var(--bdr2); background: var(--bg2);
  cursor: pointer; color: var(--t1); font-size: 16px; line-height: 1;
}
.qty-btn:hover { background: var(--bg3); }
.qty-val { width: 32px; text-align: center; font-weight: 600; }

/* Order summary */
.order-summary { background: var(--bg0); border-radius: 8px; padding: 16px; margin-top: 16px; }
.summary-row   { display: flex; justify-content: space-between; font-size: 13px; padding: 4px 0; color: var(--t2); }
.summary-total {
  display: flex; justify-content: space-between;
  font-size: 14px; font-weight: 600; padding-top: 10px;
  border-top: 1px solid var(--bdr2); margin-top: 8px;
}

/* Activity feed */
.activity-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--bdr2);
}
.activity-item:last-child { border-bottom: none; }
.activity-icon {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; flex-shrink: 0;
}
.activity-text { font-size: 13px; }
.activity-time { font-size: 11px; color: var(--t3); margin-top: 2px; }

/* Integration card */
.integration-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border: 1px solid var(--bdr2);
  border-radius: 8px; margin-bottom: 8px; background: var(--bg1);
}
.int-left  { display: flex; align-items: center; gap: 12px; }
.int-icon  { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.int-name  { font-size: 13px; font-weight: 600; }
.int-url   { font-size: 11px; color: var(--t3); }
.int-right { display: flex; align-items: center; gap: 12px; }

/* Toggle switch */
.switch { position: relative; width: 36px; height: 20px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--bg3); border-radius: 10px; transition: .15s;
}
.slider:before {
  content: ''; position: absolute; width: 14px; height: 14px;
  left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: .15s;
}
input:checked + .slider { background: var(--ca); }
input:checked + .slider:before { transform: translateX(16px); }

/* Device grid */
.device-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px,1fr));
  gap: 12px; margin-bottom: 20px;
}
.device-card {
  background: var(--bg1); border: 1px solid var(--bdr2);
  border-radius: 10px; padding: 14px; cursor: pointer; transition: all .12s;
}
.device-card:hover    { border-color: var(--ca); }
.device-card.selected { border-color: var(--ca); background: #0C2A3E; }
.device-name { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.device-id   { font-size: 11px; color: var(--t3); font-family: 'JetBrains Mono', monospace; margin-bottom: 8px; }
.device-meta { display: flex; align-items: center; justify-content: space-between; }

/* Responsive */
@media (max-width: 900px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .grid2   { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .sidebar { display: none; }
  .metrics { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}