:root {
  --bg: #0f0f12;
  --bg-card: #18181c;
  --bg-input: #222228;
  --border: #2d2d35;
  --text: #e4e4e7;
  --text-muted: #71717a;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --danger: #ef4444;
  --radius: 12px;
  --font: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
}

.header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.logo {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem 0;
}

.tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1rem 0;
}

.api-key-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.api-key-wrap label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

#apiKey {
  width: 220px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

#apiKey:focus {
  outline: none;
  border-color: var(--accent);
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab {
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

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

.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a0c;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.card h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
}

.card-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 0.75rem 0;
}

.saved-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem 0;
}

.saved-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.saved-list li:last-child { border-bottom: none; }

.saved-list .saved-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.saved-list .saved-item-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.saved-list .btn-connect-saved {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
}

.dynamic-list {
  margin-bottom: 0.5rem;
}

.dynamic-list .item-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.text-muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.dynamic-list .item-row input,
.dynamic-list .item-row select {
  flex: 1;
  min-width: 100px;
  padding: 0.45rem 0.6rem;
  font-size: 0.9rem;
}

.dynamic-list .item-row .btn-remove {
  flex-shrink: 0;
}

.block-section {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  background: var(--bg-input);
}

.block-section .block-title {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.block-section .sub-list {
  margin-top: 0.5rem;
}

.block-section .sub-list .item-row { margin-bottom: 0.35rem; }
.block-section .btn-remove-block { margin-top: 0.5rem; }

.form-row {
  margin-bottom: 0.9rem;
}

.form-row label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
}

.form-row textarea {
  min-height: 80px;
  resize: vertical;
}

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

.field-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.delay-inputs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.delay-inputs input {
  width: 5rem;
}

.delay-inputs span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.form-row input[type="number"] {
  max-width: 6rem;
}

.btn {
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.15s, opacity 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0c;
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

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

.btn-send {
  margin-top: 0.5rem;
}

.btn-small {
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
}

.btn-danger {
  background: transparent;
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.4);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border-color: var(--danger);
}

.qr-container {
  margin-top: 1rem;
  text-align: center;
}

.qr-container p {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.qr-image {
  max-width: 280px;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.qr-hint {
  margin-top: 0.75rem !important;
  font-size: 0.8rem !important;
}

.status {
  margin-top: 0.75rem;
  padding: 0.5rem;
  border-radius: 8px;
  font-size: 0.85rem;
}

.status.error {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

.status.success {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

.hidden {
  display: none !important;
}

.instance-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem 0;
}

.instance-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.instance-list .instance-name {
  font-weight: 500;
}

.instance-list .instance-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.instance-list li:last-child {
  border-bottom: none;
}

.instance-list .badge {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  text-transform: uppercase;
}

.instance-list .badge.connected {
  background: rgba(34, 197, 94, 0.2);
  color: var(--accent);
}

.instance-list .badge.qr {
  background: rgba(234, 179, 8, 0.2);
  color: #eab308;
}

.instance-list .badge.disconnected {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

#btnRefreshList {
  margin-top: 0.25rem;
}

.dispatch-form {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.dispatch-form.hidden {
  display: none;
}

.form-card .form-row:first-of-type {
  margin-top: 0;
}

.result {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: var(--font-mono);
}

.result.success {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

.result.error {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

/* CTA row: tipo + texto + extra */
#formInteractive .form-row select,
#formInteractive .form-row input {
  width: auto;
  min-width: 0;
}

#formInteractive .form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

#formInteractive .form-row label {
  margin-bottom: 0;
  min-width: 3rem;
}

#formInteractive .form-row input:nth-of-type(2) {
  flex: 1;
  min-width: 100px;
}

#formInteractive .form-row input:nth-of-type(3) {
  flex: 1;
  min-width: 120px;
}