:root {
  color-scheme: dark;
  --bg: #071111;
  --panel: rgba(17, 28, 30, 0.86);
  --panel-2: rgba(24, 38, 42, 0.88);
  --border: rgba(142, 219, 85, 0.22);
  --green: #8edb55;
  --green-strong: #39d06f;
  --cyan: #32d5c8;
  --blue: #60a5fa;
  --yellow: #facc15;
  --red: #ff626f;
  --text: #f4f7f5;
  --muted: #99a9a6;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 18%, rgba(142, 219, 85, 0.18), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(50, 213, 200, 0.14), transparent 26%),
    linear-gradient(135deg, #061011 0%, #0b1718 55%, #071111 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(142, 219, 85, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 219, 85, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}

button, input, select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

input, select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 14px;
  padding: 12px 13px;
  color: var(--text);
  background: rgba(4, 13, 14, 0.78);
  outline: none;
}

input:focus, select:focus {
  border-color: rgba(142, 219, 85, 0.72);
  box-shadow: 0 0 0 3px rgba(142, 219, 85, 0.12);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.92rem;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 8px;
  letter-spacing: 0.16em;
  font-size: clamp(2rem, 7vw, 3.8rem);
}

h2 {
  margin-bottom: 5px;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

h3 { margin-bottom: 8px; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow-y: auto;
}

.login-card {
  width: min(480px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 34px;
}

.glass-card, .glass-panel {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(20, 34, 36, 0.94), rgba(8, 18, 19, 0.90));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.brand-mark {
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 18px;
  color: #061011;
  background: linear-gradient(135deg, #b8f252, #1a8c47);
  font-size: 2.8rem;
  font-weight: 950;
  line-height: 1;
}

.brand-mark.small {
  width: 44px;
  height: 44px;
  margin: 0;
  border-radius: 12px;
  font-size: 1.8rem;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted { color: var(--muted); }

.form-grid {
  display: grid;
  gap: 14px;
}

.form-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 18px 0;
}

.primary-button, .secondary-button, .ghost-button {
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 800;
}

.primary-button {
  color: #061011;
  background: linear-gradient(135deg, var(--green), var(--cyan));
}

.secondary-button {
  color: var(--text);
  border: 1px solid rgba(142, 219, 85, 0.35);
  background: rgba(142, 219, 85, 0.10);
}

.ghost-button {
  color: var(--muted);
  background: transparent;
}

.error-text { color: var(--red); }

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
  gap: 18px;
  padding: 18px;
}

.sidebar {
  position: sticky;
  top: 18px;
  height: calc(100vh - 36px);
  padding: 18px;
  display: flex;
  flex-direction: column;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.brand-row strong {
  display: block;
  letter-spacing: 0.12em;
}

.brand-row span {
  color: var(--muted);
  font-size: 0.86rem;
}

.nav-list {
  display: grid;
  gap: 8px;
}

.nav-item {
  width: 100%;
  text-align: left;
  color: var(--muted);
  border-radius: 16px;
  padding: 13px 14px;
  background: transparent;
}

.nav-item.active, .nav-item:hover {
  color: var(--text);
  background: rgba(142, 219, 85, 0.12);
}

.sidebar .ghost-button { margin-top: auto; }

.content-shell {
  display: grid;
  align-content: start;
  gap: 18px;
  min-width: 0;
}

.topbar {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.top-actions, .button-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.82rem;
  font-weight: 800;
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
}

.status-pill.good { color: var(--green); border-color: rgba(142, 219, 85, 0.32); }
.status-pill.bad { color: var(--red); border-color: rgba(255, 98, 111, 0.34); }
.status-pill.warn { color: var(--yellow); border-color: rgba(250, 204, 21, 0.34); }
.status-pill.neutral { color: var(--muted); }

.page-section { display: none; }
.active-section { display: grid; gap: 18px; }

.message-box {
  border-radius: 18px;
  padding: 13px 15px;
  border: 1px solid rgba(250, 204, 21, 0.35);
  color: #fde68a;
  background: rgba(250, 204, 21, 0.08);
}

.kpi-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, minmax(130px, 1fr));
  gap: 14px;
}

.hero-card, .metric-card, .controls-card, .alert-config {
  padding: 18px;
}

.hero-card h3 {
  margin: 4px 0;
  color: var(--green);
  font-size: clamp(2.8rem, 8vw, 4.8rem);
}

.metric-card p {
  margin-bottom: 10px;
  color: var(--muted);
}

.metric-card strong {
  font-size: 2.2rem;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-bottom: 14px;
}

.green { background: var(--green-strong); }
.red { background: var(--red); }
.yellow { background: var(--yellow); }
.blue { background: var(--blue); }

.two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.card-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.stack-list {
  display: grid;
  gap: 10px;
}

.list-item, .equipment-card, .event-card, .scan-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.045);
}

.item-title-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.item-title-row strong {
  overflow-wrap: anywhere;
}

.controls-card {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px auto;
  gap: 12px;
  align-items: center;
}

.equipment-controls {
  grid-template-columns: minmax(220px, 1fr) 170px repeat(4, max-content);
}

.events-controls {
  grid-template-columns: minmax(220px, 1fr) 150px 150px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 14px;
}

.equipment-card.offline, .event-card.offline { border-color: rgba(255, 98, 111, 0.30); }
.equipment-card.online, .event-card.online { border-color: rgba(57, 208, 111, 0.24); }
.equipment-card.inventory { border-color: rgba(96, 165, 250, 0.24); }

.meta-row {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.meta-chip {
  border-radius: 999px;
  padding: 5px 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.78rem;
}

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 10px;
  margin: 18px 0;
}

.toggle-grid label {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
}

.toggle-grid input { width: auto; }

.icon-ring {
  display: inline-block;
  width: 52px;
  height: 52px;
  margin-bottom: 16px;
  border-radius: 50%;
  border: 1px solid rgba(142, 219, 85, 0.8);
  background: radial-gradient(circle, rgba(142, 219, 85, 0.26), rgba(142, 219, 85, 0.03));
}

@media (max-width: 1050px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
  }
  .nav-list { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .equipment-controls { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .equipment-controls input { grid-column: 1 / -1; }
  .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav-item { text-align: center; padding: 10px 8px; font-size: 0.86rem; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-card { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .app-shell, .login-shell { padding: 10px; }
  .topbar, .two-columns, .form-grid.two, .controls-card, .equipment-controls, .events-controls, .toggle-grid, .settings-grid { grid-template-columns: 1fr; }
  .topbar { display: grid; }
  .kpi-grid, .cards-grid { grid-template-columns: 1fr; }
  .nav-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login-card { padding: 22px; max-height: calc(100vh - 20px); }
  h1 { letter-spacing: 0.10em; }
}
.password-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.inline-button {
  align-self: stretch;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
}

.scan-panel {
  padding: 18px;
}

.compact-form {
  margin: 12px 0;
}

.scan-results {
  margin-top: 14px;
}

.scan-select-row {
  display: flex;
  grid-template-columns: none;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
}

.scan-select-row input {
  width: auto;
  margin-top: 4px;
}

.scan-select-row small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.settings-grid div {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.045);
}

.settings-grid span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.82rem;
}

.settings-grid strong {
  overflow-wrap: anywhere;
}

.message-box.good {
  color: #bbf7d0;
  border-color: rgba(57, 208, 111, 0.32);
  background: rgba(57, 208, 111, 0.08);
}

/* MVP responsive overrides */
@media (max-width: 1050px) {
  .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .settings-grid { grid-template-columns: 1fr; }
  .password-row { grid-template-columns: 1fr; }
  .inline-button { width: 100%; }
}

.modal-shell {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.64);
}

.modal-shell[hidden] {
  display: none;
}

.editor-card {
  width: min(760px, 100%);
  max-height: calc(100vh - 36px);
  overflow-y: auto;
  padding: 20px;
}

.small-button {
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 0.82rem;
}

.editor-toggles {
  grid-template-columns: repeat(3, minmax(130px, 1fr));
}

@media (max-width: 720px) {
  .editor-toggles { grid-template-columns: 1fr; }
}