* {
  box-sizing: border-box;
}

:root {
  --bg-page: #0f172a;
  --bg-panel: #111827;
  --bg-input: #0f172a;
  --bg-code: #020617;
  --bg-hover: #1e293b;
  --bg-stat: #0f172a;
  --border: #334155;
  --border-input: #475569;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-status: #cbd5e1;
  --text-error: #fca5a5;
  --text-success: #86efac;
  --badge-active-bg: #14532d;
  --badge-active-text: #bbf7d0;
  --badge-revoked-bg: #7f1d1d;
  --badge-revoked-text: #fecaca;
  --btn-primary: #2563eb;
  --btn-danger: #b91c1c;
  --admin-pill: #1d4ed8;
  --admin-pill-text: #e2e8f0;
  --copy-btn-bg: #1e293b;
  --copy-btn-border: #475569;
  --modal-overlay: rgba(0, 0, 0, 0.7);
}

[data-theme="light"] {
  --bg-page: #f1f5f9;
  --bg-panel: #ffffff;
  --bg-input: #f8fafc;
  --bg-code: #f1f5f9;
  --bg-hover: #e2e8f0;
  --bg-stat: #f8fafc;
  --border: #cbd5e1;
  --border-input: #94a3b8;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-status: #475569;
  --text-error: #dc2626;
  --text-success: #16a34a;
  --badge-active-bg: #dcfce7;
  --badge-active-text: #166534;
  --badge-revoked-bg: #fee2e2;
  --badge-revoked-text: #991b1b;
  --btn-primary: #2563eb;
  --btn-danger: #dc2626;
  --admin-pill: #2563eb;
  --admin-pill-text: #ffffff;
  --copy-btn-bg: #e2e8f0;
  --copy-btn-border: #cbd5e1;
  --modal-overlay: rgba(0, 0, 0, 0.4);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-page);
  color: var(--text);
  transition: background 0.2s, color 0.2s;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.page-header,
.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.page-header {
  margin-bottom: 24px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

h1,
h2 {
  margin: 0 0 8px;
}

.subtitle,
.notice,
.muted {
  color: var(--text-muted);
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
}

.admin-pill,
.badge {
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px;
}

.admin-pill {
  background: var(--admin-pill);
  color: var(--admin-pill-text);
}

.badge.active {
  background: var(--badge-active-bg);
  color: var(--badge-active-text);
}

.badge.revoked {
  background: var(--badge-revoked-bg);
  color: var(--badge-revoked-text);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

input,
button {
  border-radius: 10px;
  border: 1px solid var(--border-input);
  background: var(--bg-input);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}

button {
  cursor: pointer;
  background: var(--btn-primary);
  border-color: var(--btn-primary);
  color: #ffffff;
}

button.danger {
  background: var(--btn-danger);
  border-color: var(--btn-danger);
}

button:hover {
  filter: brightness(1.08);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 12px;
  border-top: 1px solid var(--border);
  vertical-align: top;
}

code,
.secret-box {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.status {
  margin: 12px 0;
  color: var(--text-status);
}

.status[data-kind="error"] {
  color: var(--text-error);
}

.status[data-kind="success"] {
  color: var(--text-success);
}

.secret-box {
  white-space: pre-wrap;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  overflow-x: auto;
}

.hidden {
  display: none;
}

.empty {
  color: var(--text-muted);
  text-align: center;
}

.panel-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.search-input {
  width: 260px;
  padding: 8px 12px;
  font-size: 14px;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  flex-direction: row;
}

.toggle-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--btn-primary);
}

.copy-key-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
  margin-left: 6px;
  border-radius: 4px;
  vertical-align: middle;
}

.copy-key-btn:hover {
  background: var(--bg-hover);
  filter: none;
}

.info-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  font-size: 14px;
  font-weight: bold;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.info-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  filter: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  max-width: 700px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
}

.modal-close:hover {
  color: var(--text);
  filter: none;
}

.info-section {
  margin-bottom: 16px;
}

.info-label {
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-code {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  white-space: pre;
  margin: 4px 0;
}

.copy-btn {
  background: var(--copy-btn-bg);
  border: 1px solid var(--copy-btn-border);
  border-radius: 6px;
  color: var(--text-muted);
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  filter: none;
}

.api-key-display {
  font-size: 13px;
}

.key-note {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.clickable-row {
  cursor: pointer;
  transition: background 0.15s;
}

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

.back-btn {
  background: none;
  border: 1px solid var(--border-input);
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 14px;
}

.back-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  filter: none;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.detail-header h2 {
  margin: 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.detail-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.detail-card-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.detail-card-value {
  font-size: 15px;
  word-break: break-all;
}

.detail-panel {
  margin-bottom: 20px;
}

.detail-panel h3 {
  margin: 0 0 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--bg-stat);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  word-break: break-all;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.chart-container {
  position: relative;
  height: 280px;
  width: 100%;
}

.breakdown-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-stat);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.breakdown-key {
  font-size: 14px;
}

.breakdown-val {
  font-weight: 700;
  font-size: 14px;
}

.hardware-gauges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .hardware-gauges {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .hardware-gauges {
    grid-template-columns: 1fr;
  }
}

.gauge-card {
  background: var(--bg-stat);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gauge-card canvas {
  display: block;
}

.gauge-card-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-top: -8px;
  line-height: 1.2;
}

.gauge-card-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.gauge-card-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 6px;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.dash-stat {
  background: var(--bg-stat);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  position: relative;
}

.dash-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.dash-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.dash-stat .gauge-ring {
  width: 80px;
  height: 80px;
  margin: 0 auto 8px;
}

.dashboard-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 768px) {
  .dashboard-charts {
    grid-template-columns: 1fr;
  }
}

.dashboard-chart-wrap {
  background: var(--bg-stat);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.dashboard-chart-wrap h3 {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--text-muted);
}

.chart-sm {
  height: 200px;
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}

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

.home-btn {
  background: none;
  border: 1px solid var(--border-input);
  color: var(--text-muted);
  padding: 6px 14px;
  font-size: 13px;
  border-radius: 8px;
  cursor: pointer;
}

.home-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  filter: none;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-input);
  color: var(--text-muted);
  padding: 6px 10px;
  font-size: 18px;
  border-radius: 8px;
  cursor: pointer;
  line-height: 1;
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--text);
  filter: none;
}

.power-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.power-stat {
  background: var(--bg-stat);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  text-align: center;
}

.power-stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.power-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.power-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 800px) {
  .power-charts {
    grid-template-columns: 1fr;
  }
}

.power-chart-wrap {
  background: var(--bg-stat);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.power-chart-wrap h3 {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.chart-lg {
  height: 260px;
}

.power-range-btns {
  display: flex;
  gap: 4px;
}

.range-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  font: 600 12px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  cursor: pointer;
  transition: all 0.15s;
}

.range-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.range-btn.active {
  background: var(--btn-primary);
  color: #fff;
  border-color: var(--btn-primary);
}

.tab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
}

.tab-btn {
  padding: 10px 24px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  font: 600 14px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  cursor: pointer;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}

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

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

.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
  min-height: 400px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-welcome {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.chat-welcome h2 {
  color: var(--text);
  margin: 0 0 8px;
  font-size: 24px;
}

.chat-welcome p {
  margin: 0;
  font-size: 14px;
}

.chat-msg {
  display: flex;
  gap: 12px;
  max-width: 85%;
  line-height: 1.6;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.chat-msg.user .chat-msg-avatar {
  background: var(--btn-primary);
  color: #fff;
}

.chat-msg.assistant .chat-msg-avatar {
  background: #10b981;
  color: #fff;
}

.chat-msg-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  word-break: break-word;
}

.chat-msg.user .chat-msg-bubble {
  background: var(--btn-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-msg.assistant .chat-msg-bubble {
  background: var(--bg-stat);
  border: 1px solid var(--border);
  color: var(--text);
  border-bottom-left-radius: 4px;
}

.chat-msg-bubble pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  margin: 8px 0;
  font-size: 13px;
}

.chat-msg-bubble code {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 13px;
}

.chat-msg-bubble p {
  margin: 0 0 8px;
}

.chat-msg-bubble p:last-child {
  margin-bottom: 0;
}

.chat-msg-bubble ul,
.chat-msg-bubble ol {
  margin: 4px 0;
  padding-left: 20px;
}

.chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
}

.chat-input-bar textarea {
  flex: 1;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-input);
  background: var(--bg-input);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  resize: none;
  max-height: 150px;
  outline: none;
}

.chat-input-bar textarea:focus {
  border-color: var(--btn-primary);
}

.chat-input-bar button {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: none;
  background: var(--btn-primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-input-bar button:hover {
  filter: brightness(1.1);
}

.chat-input-bar button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chat-typing {
  display: inline-flex;
  gap: 4px;
  padding: 4px 0;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: chatBounce 1.2s ease-in-out infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes chatBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}