/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:   #111827;
  --bg-secondary: #1f2937;
  --bg-surface:   #374151;
  --bg-hover:     #4b5563;
  --text-primary:   #f9fafb;
  --text-secondary: #9ca3af;
  --accent: #ff8200;
  --border: #374151;
  --cp-a: #4caf50;
  --cp-b: #ffeb3b;
  --cp-c: #ff9800;
  --cp-d: #f44336;
  --cp-e: #9e9e9e;
  --cp-f: #e91e63;
}

html, body {
  height: 100%;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* === Header === */
header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 64px;
  flex-shrink: 0;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-brand img {
  width: 32px;
  height: 32px;
}

.header-brand h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.header-spacer {
  flex: 1;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-email {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* === Buttons === */
.btn {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: inherit;
  transition: background 0.15s;
}

.btn:hover {
  background: var(--bg-hover);
}

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}

.btn-primary:hover {
  background: #e67400;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* === Main === */
main {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

/* === Login View === */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 64px);
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  width: 100%;
  max-width: 400px;
}

.login-card h2 {
  color: var(--accent);
  font-size: 1.3rem;
  margin-bottom: 24px;
  text-align: center;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.form-group input {
  width: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: inherit;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
}

.login-error {
  color: var(--cp-d);
  font-size: 0.85rem;
  margin-top: 12px;
  text-align: center;
  min-height: 1.3em;
}

/* === Device List === */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.device-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  cursor: pointer;
  transition: background 0.15s;
}

.device-card:hover {
  background: var(--bg-hover);
}

.device-card h3 {
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 8px;
}

.device-status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  font-size: 0.85rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.online {
  background: var(--cp-a);
}

.status-dot.offline {
  background: var(--cp-e);
}

.device-location {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.device-ip {
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.device-last-seen {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* === Empty State === */
.empty-state {
  text-align: center;
  color: var(--text-secondary);
  padding: 48px 16px;
  font-size: 0.95rem;
}

.empty-state code {
  background: var(--bg-surface);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.85rem;
}

/* === Tab Navigation === */
.tab-nav {
  display: flex;
  gap: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
}

.tab-btn {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 600;
  transition: color 0.15s, border-color 0.15s;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.tab-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* === Admin Tables === */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.85rem;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.admin-table th {
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.admin-table tbody tr:hover {
  background: var(--bg-surface);
}

/* === Admin Forms === */
.admin-form {
  margin-bottom: 16px;
}

.admin-form-inline {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.admin-input,
.admin-select {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: inherit;
}

.admin-input:focus,
.admin-select:focus {
  outline: none;
  border-color: var(--accent);
}

.admin-select {
  cursor: pointer;
}

.form-error {
  color: var(--cp-d);
  font-size: 0.8rem;
  margin-top: 4px;
  width: 100%;
}

/* === Admin Section === */
.admin-section {
  max-width: 1000px;
  margin: 0 auto 32px;
}

.section-title {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 12px;
}

/* === Badges === */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-admin {
  background: #7c3aed;
  color: #fff;
}

.badge-analyst {
  background: #2563eb;
  color: #fff;
}

.badge-readonly {
  background: var(--bg-surface);
  color: var(--text-secondary);
}

.badge-success {
  background: var(--cp-a);
  color: #000;
}

.badge-failed {
  background: var(--cp-d);
  color: #fff;
}

.badge-running {
  background: var(--cp-c);
  color: #000;
}

.badge-pending {
  background: var(--bg-surface);
  color: var(--text-secondary);
}

/* === Small Buttons === */
.btn-sm {
  padding: 3px 8px;
  font-size: 0.75rem;
}

.btn-danger {
  background: var(--cp-d);
  color: #fff;
  border-color: var(--cp-d);
}

.btn-danger:hover {
  background: #d32f2f;
}

/* === Onboard Wizard === */
.onboard-wrapper {
  max-width: 700px;
  margin: 0 auto;
}

.onboard-section {
  margin-bottom: 24px;
}

.result-row {
  margin-bottom: 12px;
}

.result-label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}

.result-value {
  background: var(--bg-surface);
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 0.85rem;
  word-break: break-all;
}

.result-code {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 12px;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.copy-btn {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: inherit;
  transition: background 0.15s;
}

.copy-btn:hover {
  background: var(--bg-hover);
}

.dns-banner {
  background: #422006;
  border: 1px solid #854d0e;
  border-radius: 4px;
  padding: 10px 14px;
  margin-top: 16px;
  font-size: 0.85rem;
  color: #fef3c7;
}

/* === Onboard Status Steps === */
.onboard-status-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
}

.onboard-steps {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
}

.onboard-step {
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.step-pending {
  background: var(--bg-surface);
  border: 2px solid var(--text-secondary);
}

.step-done {
  background: var(--cp-a);
  border: 2px solid var(--cp-a);
}

.step-label {
  font-size: 0.85rem;
  color: var(--text-primary);
}

.activated-link {
  margin-top: 12px;
  font-size: 0.9rem;
}

.activated-device-link {
  color: var(--accent);
  text-decoration: none;
}

.activated-device-link:hover {
  text-decoration: underline;
}

/* === Pending Onboard Badge === */
.badge-pending-onboard {
  background: var(--cp-b);
  color: #000;
}

.status-dot.pending-onboard {
  background: var(--cp-b);
}

/* === Pending Onboard List (Onboard Tab) === */
.pending-onboard-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pending-onboard-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 14px;
}

.pending-onboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.pending-onboard-header strong {
  color: var(--accent);
  font-size: 0.95rem;
}

.pending-onboard-expiry {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

.pending-onboard-cmd {
  margin-top: 8px;
}

/* === Device Install Command (Device Card) === */
.device-install-cmd {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

/* === Enhanced Admin Device Card === */
.device-card-admin {
  cursor: default;
}

.device-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.device-card-header h3 {
  color: var(--accent);
  font-size: 1rem;
  margin: 0;
}

.device-info-grid {
  margin-bottom: 10px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 2px 0;
}

.info-label {
  color: var(--text-secondary);
}

.info-value {
  color: var(--text-primary);
  text-align: right;
  font-family: 'Courier New', monospace;
}

.info-value a {
  color: var(--accent);
  text-decoration: none;
}

.info-value a:hover {
  text-decoration: underline;
}

.metric-warning {
  color: var(--cp-c);
}

.metric-critical {
  color: var(--cp-d);
}

.device-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

/* === Role Info === */
.role-info {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.role-info strong {
  color: var(--text-primary);
}

/* === User Management Wrapper === */
.user-mgmt-wrapper {
  max-width: 1000px;
  margin: 0 auto;
}

/* === Modal / Panel (Command History) === */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 90%;
  max-width: 700px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  color: var(--accent);
  font-size: 1rem;
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

.cmd-output {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* === Firmware Panel === */
.firmware-panel-wrapper {
  max-width: 1200px;
  margin: 0 auto 16px;
}

.firmware-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.firmware-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
}

.firmware-panel-title {
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
}

.firmware-panel-body {
  padding: 0 16px 16px;
}

.firmware-status-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.firmware-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 4px 16px;
}

.firmware-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.firmware-ref-select {
  min-width: 160px;
}

.firmware-message {
  font-size: 0.82rem;
  margin-top: 8px;
  min-height: 1.2em;
}

.firmware-message-success {
  color: var(--cp-a);
}

.firmware-message-error {
  color: var(--cp-d);
}

/* === Loading State === */
.loading-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  padding: 24px;
}

/* === View visibility === */
.view-hidden {
  display: none !important;
}

/* === Responsive === */
@media (max-width: 480px) {
  .device-grid {
    grid-template-columns: 1fr;
  }

  header {
    padding: 6px 10px;
  }

  main {
    padding: 10px;
  }

  .login-card {
    margin: 0 10px;
    padding: 24px 16px;
  }

  .header-email {
    display: none;
  }

  .tab-nav {
    padding: 0 8px;
  }

  .tab-btn {
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  .admin-form-inline {
    flex-direction: column;
  }

  .admin-input,
  .admin-select {
    width: 100%;
  }

  .onboard-steps {
    flex-direction: column;
    gap: 8px;
  }

  .modal-panel {
    width: 95%;
    max-height: 90vh;
  }

  .device-actions {
    flex-direction: column;
  }
}