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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #020617;
  color: #e5e7eb;
}

body {
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #1f2937;
  background: radial-gradient(circle at top left, #111827, #020617 60%);
  gap: 16px;
}

.app-header-main {
  min-width: 200px;
}

.app-title {
  margin: 0 0 4px;
  font-size: 22px;
  letter-spacing: 0.02em;
}

.app-subtitle {
  margin: 0;
  font-size: 13px;
  color: #9ca3af;
}

.app-header-status {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.ws-config,
.midi-config {
  display: flex;
  align-items: center;
  gap: 8px;
}

label {
  font-size: 12px;
  color: #9ca3af;
}

input[type="text"],
select {
  background: #020617;
  border-radius: 6px;
  border: 1px solid #374151;
  padding: 6px 8px;
  color: #e5e7eb;
  font-size: 13px;
  min-width: 0;
}

input[type="text"]:focus,
select:focus {
  outline: 2px solid #4f46e5;
  outline-offset: 1px;
}

button {
  border-radius: 999px;
  border: none;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  background: linear-gradient(135deg, #4f46e5, #818cf8);
  color: white;
  box-shadow: 0 4px 8px rgba(15, 23, 42, 0.6);
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.12s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.8);
}

button:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.7);
}

button[disabled],
button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  box-shadow: none;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.status-pill--disconnected {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(248, 113, 113, 0.6);
  color: #fecaca;
}

.status-pill--connected {
  background: rgba(34, 197, 94, 0.14);
  border-color: rgba(74, 222, 128, 0.8);
  color: #bbf7d0;
}

.status-pill--device {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.7);
  color: #e0f2fe;
}

.app-main {
  flex: 1;
  padding: 16px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: radial-gradient(circle at top left, rgba(30, 64, 175, 0.25), #020617 55%);
  border-radius: 14px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.panel--narrow {
  max-height: 480px;
}

.panel--wide {
  min-height: 0;
}

.panel--hidden {
  display: none;
}

.panel-header {
  padding: 12px 14px 10px;
  border-bottom: 1px solid rgba(55, 65, 81, 0.9);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.panel-title {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9ca3af;
}

.panel-header-meta {
  font-size: 12px;
  color: #9ca3af;
  display: flex;
  gap: 8px;
}

.panel-body {
  padding: 10px 14px 14px;
  overflow: auto;
}

.panel-body--stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.devices-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.device-card {
  border-radius: 12px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: radial-gradient(circle at top left, rgba(30, 64, 175, 0.35), #020617 60%);
  padding: 10px 12px 12px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.9);
}

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

.device-id {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.device-meta {
  margin: 0;
  font-size: 11px;
  color: #9ca3af;
}

.mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.mapping-table th,
.mapping-table td {
  padding: 4px 6px;
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
  text-align: left;
}

.mapping-table th {
  font-weight: 500;
  color: #9ca3af;
  background: rgba(15, 23, 42, 0.8);
  position: sticky;
  top: 0;
  z-index: 1;
}

.mapping-table tr:last-child td {
  border-bottom: none;
}

.mapping-table input[type="number"] {
  width: 64px;
}

.mapping-table input[type="checkbox"] {
  transform: translateY(1px);
}

.mapping-add-label {
  margin-right: 6px;
  font-size: 11px;
  color: #9ca3af;
}

.mapping-add-select {
  margin-right: 6px;
}

.mapping-add-btn,
.mapping-remove-btn {
  padding: 2px 8px;
  font-size: 12px;
}

.hint {
  margin: 8px 0 0;
  font-size: 11px;
  color: #9ca3af;
}

.hint--small {
  font-size: 10px;
}

.meta-muted {
  opacity: 0.7;
}

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

.file-button {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  background: linear-gradient(135deg, #0f172a, #1f2933);
  color: #e5e7eb;
  border: 1px solid #4b5563;
}

.file-button input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.empty-state {
  padding: 16px 8px;
  text-align: center;
  font-size: 13px;
  color: #9ca3af;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: rgba(15, 23, 42, 0.96);
  color: #9ca3af;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #22c55e;
}