/* Radix UI Colors - Dark Theme (default) */
:root,
[data-theme="dark"] {
  --gray-1: #111111;
  --gray-2: #191919;
  --gray-3: #222222;
  --gray-4: #2a2a2a;
  --gray-5: #313131;
  --gray-6: #3a3a3a;
  --gray-7: #484848;
  --gray-8: #606060;
  --gray-9: #6e6e6e;
  --gray-10: #7b7b7b;
  --gray-11: #b4b4b4;
  --gray-12: #eeeeee;

  --blue-1: #0d1520;
  --blue-2: #111927;
  --blue-3: #0d2847;
  --blue-4: #003362;
  --blue-5: #004074;
  --blue-6: #104d87;
  --blue-7: #205d9e;
  --blue-8: #2870bd;
  --blue-9: #0090ff;
  --blue-10: #3b9eff;
  --blue-11: #70b8ff;
  --blue-12: #c2e6ff;

  --bg-base: var(--gray-1);
  --bg-subtle: var(--gray-2);
  --bg-ui: var(--gray-3);
  --bg-hover: var(--gray-4);
  --bg-active: var(--gray-5);
  --border-subtle: var(--gray-6);
  --border-ui: var(--gray-7);
  --border-hover: var(--gray-8);
  --text-muted: var(--gray-11);
  --text-primary: var(--gray-12);

  --accent: var(--blue-9);
  --accent-hover: var(--blue-10);
  --accent-text: var(--blue-11);
  --accent-bg: var(--blue-3);
  --accent-border: var(--blue-7);

  --success: #30a46c;
  --success-bg: #0c1f17;
  --error: #e5484d;
  --error-bg: #291415;
  --warning: #f5d90a;
  --warning-bg: #1d180c;

  --shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --blur: 12px;
  --panel-bg: rgba(17, 17, 19, 0.85);

  --radius-1: 4px;
  --radius-2: 6px;
  --radius-3: 8px;
  --radius-4: 12px;
  --radius-5: 16px;
}

/* Light Theme */
[data-theme="light"] {
  --gray-1: #fcfcfc;
  --gray-2: #f9f9f9;
  --gray-3: #f0f0f0;
  --gray-4: #e8e8e8;
  --gray-5: #e0e0e0;
  --gray-6: #d9d9d9;
  --gray-7: #cecece;
  --gray-8: #bbbbbb;
  --gray-9: #8d8d8d;
  --gray-10: #838383;
  --gray-11: #646464;
  --gray-12: #202020;

  --blue-1: #fbfdff;
  --blue-2: #f4faff;
  --blue-3: #e6f4fe;
  --blue-4: #d5efff;
  --blue-5: #c2e5ff;
  --blue-6: #acd8fc;
  --blue-7: #8ec8f6;
  --blue-8: #5eb1ef;
  --blue-9: #0090ff;
  --blue-10: #0588f0;
  --blue-11: #0d74ce;
  --blue-12: #113264;

  --success: #30a46c;
  --success-bg: #e6f6eb;
  --error: #e5484d;
  --error-bg: #ffefef;
  --warning: #f5a623;
  --warning-bg: #fff8e6;

  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --panel-bg: rgba(252, 252, 252, 0.85);
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-base);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 8px 16px;
  background: var(--panel-bg);
  backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.device-info {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-8);
  flex-shrink: 0;
}

.status-dot.connected {
  background: var(--success);
  animation: pulse 1.5s ease-in-out infinite;
}

.status-dot.error {
  background: var(--error);
}

#status-dot.connected {
  background: var(--blue-9);
}

#status-dot.error {
  background: var(--error);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  background: var(--bg-ui);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.btn:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--border-ui);
  color: var(--text-primary);
}

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

.btn-primary {
  background: var(--accent-bg);
  border-color: var(--accent-border);
  color: var(--accent-text);
}

.btn-primary:hover:not(:disabled) {
  background: var(--blue-4);
  border-color: var(--blue-8);
  color: var(--blue-12);
}

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

.btn-danger:hover:not(:disabled) {
  background: var(--error);
  color: #fff;
}

.btn-sm {
  height: 28px;
  padding: 0 10px;
  font-size: 11px;
}

.btn-block {
  width: 100%;
}

.input {
  height: 32px;
  padding: 0 12px;
  background: var(--bg-ui);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2);
  color: var(--text-primary);
  font-size: 13px;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  outline: none;
  transition: border-color 0.15s;
}

.input:focus {
  border-color: var(--accent);
}

.input-sm {
  height: 28px;
  padding: 0 8px;
  font-size: 12px;
  width: 80px;
}

.select {
  height: 32px;
  padding: 0 12px;
  background: var(--bg-ui);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}

.select:focus {
  border-color: var(--accent);
}

.select-sm {
  height: 28px;
  padding: 0 8px;
  font-size: 12px;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-6);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-7);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.modal.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  max-width: 400px;
  width: 90%;
  padding: 24px;
  background: var(--panel-bg);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border-ui);
  border-radius: var(--radius-4);
  box-shadow: var(--shadow-lg);
}

.modal-content h3 {
  margin-bottom: 20px;
  font-size: 17px;
  font-weight: 500;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 20px;
}

/* Settings Modal */
.settings-section {
  margin-bottom: 16px;
}

.settings-section h4 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.setting-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setting-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-ui);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2);
  cursor: pointer;
  transition: all 0.15s;
}

.setting-option:hover {
  background: var(--bg-hover);
  border-color: var(--border-ui);
}

.setting-option:has(input:checked) {
  background: var(--accent-bg);
  border-color: var(--accent-border);
}

.setting-option input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-ui);
  border-radius: 50%;
  background: var(--bg-base);
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}

.setting-option input[type="radio"]:checked {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: inset 0 0 0 3px var(--bg-base);
}

.setting-option-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.setting-option-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
}

.uptime {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

.divider {
  width: 1px;
  height: 24px;
  background: var(--border-subtle);
}

.content {
  flex: 1;
  overflow: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-4);
  padding: 16px;
  box-shadow: var(--shadow);
}

.panel-tight {
  padding: 12px 14px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.panel-header h2 {
  font-size: 14px;
  font-weight: 600;
}

.panel-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-subtitle {
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.panel-value {
  font-weight: 600;
  color: var(--text-primary);
}

.panel-unit {
  margin-left: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.panel-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chip {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-ui);
  font-size: 11px;
  color: var(--text-muted);
}

.holding-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 4px;
}

.register-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-ui);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-1);
  font-size: 16px;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  color: var(--text-muted);
  min-height: 56px;
  padding: 6px 8px;
}

.register-cell.active {
  background: var(--accent-bg);
  border-color: var(--accent-border);
  color: var(--accent-text);
}

.register-cell.filled {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--success);
}

.register-cell.tag-header {
  background: var(--blue-3);
  border-color: var(--blue-7);
  color: var(--blue-11);
}

.register-cell.tag-uid {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--success);
}

.register-cell.has-label {
  position: relative;
}

.register-bytes {
  line-height: 1.1;
}

.register-label {
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 4px;
  font-size: 9px;
  line-height: 1.1;
  text-align: center;
  color: var(--text-muted);
}

.register-cell.tag-header .register-label {
  color: var(--blue-11);
}

.control-row-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.control-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.control-divider {
  width: 1px;
  height: 24px;
  background: var(--border-subtle);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 4px 8px;
  border-radius: var(--radius-2);
  background: var(--bg-ui);
  border: 1px solid var(--border-subtle);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

.status-badge.active {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--success);
}

.at-panel {
  padding: 12px 16px;
}

.at-row {
  display: flex;
  gap: 8px;
}

.at-row .input {
  flex: 1;
}

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

.control-section h3 {
  margin-bottom: 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.value-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-2);
  border: 1px solid var(--border-subtle);
  background: var(--bg-ui);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 12px;
  color: var(--text-primary);
}

.value-unit {
  font-size: 10px;
  color: var(--text-muted);
}

.status-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.status-value {
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  color: var(--text-primary);
}

.console {
  margin-top: 10px;
  max-height: 120px;
  overflow: auto;
  padding: 8px;
  border-radius: var(--radius-2);
  border: 1px solid var(--border-subtle);
  background: var(--bg-ui);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 11px;
  color: var(--text-muted);
}

.console .log-line {
  margin-bottom: 6px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  align-items: end;
}

.form-grid-spaced {
  margin-top: 10px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.form-field-inline {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.form-field-inline input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-ui);
  border-radius: var(--radius-1);
  background: var(--bg-ui);
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}

.form-field-inline input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.form-field-inline input[type="checkbox"]:checked::after {
  content: '✓';
  display: block;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--bg-base);
  line-height: 14px;
}

.modal-content-lg {
  max-width: 900px;
  width: min(900px, 94vw);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.device-modal-info {
  margin: 6px 0 12px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

.device-sections {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-height: 70vh;
  overflow: auto;
  padding-right: 4px;
}

.device-sections > .panel {
  margin: 0;
}

.device-sections > .panel h4 {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.device-sections > .device-actions {
  grid-column: 1 / -1;
}

.device-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 4px 0;
}

.device-status {
  font-size: 11px;
  color: var(--text-muted);
}

.device-buttons {
  display: flex;
  gap: 8px;
}

.radio-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-2);
  border: 1px solid var(--border-subtle);
  background: var(--bg-ui);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.radio-pill:hover {
  background: var(--bg-hover);
  border-color: var(--border-ui);
}

.radio-pill:has(input:checked) {
  background: var(--accent-bg);
  border-color: var(--accent-border);
  color: var(--accent-text);
}

.radio-pill input {
  display: none;
}

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
}

.device-control-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 720px) {
  .toolbar-right {
    gap: 8px;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .device-sections {
    grid-template-columns: 1fr;
  }

  .control-row-inline {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .control-item {
    justify-content: space-between;
  }

  .control-divider {
    display: none;
  }
}