/* ═══════════════════════════════════════════════════
   WA API Bridge — Dashboard Styles
   Dark theme, modern, clean
   ═══════════════════════════════════════════════════ */

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-card-hover: #1e2130;
  --bg-input: #252836;
  --border: #2a2d3a;
  --border-focus: #25d366;
  --text: #e8e8ed;
  --text-secondary: #8b8d97;
  --text-muted: #5c5e66;
  --green: #25d366;
  --green-dark: #1da851;
  --green-glow: rgba(37, 211, 102, 0.15);
  --red: #ef4444;
  --red-dark: #dc2626;
  --yellow: #f59e0b;
  --yellow-dark: #d97706;
  --blue: #3b82f6;
  --purple: #8b5cf6;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: all 0.2s ease;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── Header ───────────────────────────────────── */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 28px;
}

.logo h1 {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--green), #4ade80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.version {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-input);
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 500;
}

/* ─── Status Badge ─────────────────────────────── */

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}

.status-badge.connected {
  background: var(--green-glow);
  color: var(--green);
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.status-badge.disconnected {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-badge.loading {
  background: rgba(245, 158, 11, 0.1);
  color: var(--yellow);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

/* ─── Main Layout ──────────────────────────────── */

.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.instance-nav {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
}

.nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.nav-header h3 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.instance-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.instance-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

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

.instance-item.active {
  background: var(--green-glow);
  border-color: rgba(37, 211, 102, 0.3);
  color: var(--green);
}

.instance-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-input);
  border-radius: 50%;
  font-size: 16px;
}

.instance-item.active .instance-icon {
  background: var(--green);
  color: #000;
}

.instance-info {
  flex: 1;
  min-width: 0;
}

.instance-name {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--border);
}

.main {
  padding: 24px 16px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* ─── Cards ────────────────────────────────────── */

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(37, 211, 102, 0.15);
}

.card h2 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: -8px;
  margin-bottom: 16px;
}

/* ─── QR Section ───────────────────────────────── */

.qr-card {
  text-align: center;
}

.qr-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
  margin-top: 16px;
}

.qr-container img {
  border-radius: var(--radius-sm);
  max-width: 340px;
  box-shadow: 0 0 40px var(--green-glow);
}

.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.qr-placeholder span {
  font-size: 48px;
  animation: pulse 2s infinite;
}

/* ─── Pairing Code Section ────────────────────── */

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.pairing-code-section {
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}

.pairing-code-section h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.pairing-code-display {
  margin-top: 20px;
  padding: 20px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  border: 1px solid var(--green);
}

.auth-code {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: #000;
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

#auth-code-value {
  font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--green);
}

.pairing-instructions {
  font-size: 12px;
  color: var(--text-secondary);
}

.pairing-instructions strong {
  color: var(--text);
}

/* ─── Connected Section ────────────────────────── */

.connected-card {
  background: linear-gradient(135deg, var(--bg-card), rgba(37, 211, 102, 0.05));
  border-color: rgba(37, 211, 102, 0.2);
}

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

.connected-avatar {
  font-size: 48px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-glow);
  border-radius: 50%;
}

.connected-info h2 {
  margin-bottom: 4px;
  font-size: 18px;
}

.connected-info p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.platform-tag {
  display: inline-block;
  background: var(--bg-input);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

.connected-actions {
  display: flex;
  gap: 10px;
}

/* ─── Buttons ──────────────────────────────────── */

.btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--green);
  color: #000;
}

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

.btn-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--yellow);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
  background: rgba(245, 158, 11, 0.25);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn-copy {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-copy:hover {
  border-color: var(--green);
  color: var(--green);
}

/* ─── Forms ────────────────────────────────────── */

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

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.form-row {
  display: flex;
  gap: 20px;
  align-items: flex-end;
}

.input-group {
  display: flex;
  gap: 8px;
}

.input-group input {
  flex: 1;
}

input[type="text"],
input[type="url"] {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  transition: var(--transition);
  outline: none;
}

input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--green-glow);
}

/* ─── Toggle ───────────────────────────────────── */

.toggle-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 24px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: var(--transition);
}

.toggle input:checked+.toggle-slider {
  background: var(--green);
  border-color: var(--green);
}

.toggle input:checked+.toggle-slider::before {
  background: #fff;
  transform: translateX(18px);
}

/* ─── Stats ────────────────────────────────────── */

.stats-row {
  display: flex;
  gap: 16px;
}

.stat {
  font-size: 13px;
  color: var(--text-secondary);
}

.stat strong {
  color: var(--text);
}

/* ─── API Key ──────────────────────────────────── */

.api-key-display {
  margin-bottom: 20px;
}

.api-key-display label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

/* ─── cURL Section ─────────────────────────────── */

.curl-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.curl-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.curl-item:hover {
  border-color: rgba(37, 211, 102, 0.2);
}

.curl-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-input);
  border-bottom: 1px solid var(--border);
}

.method {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.method.get {
  background: rgba(59, 130, 246, 0.2);
  color: var(--blue);
}

.method.post {
  background: rgba(37, 211, 102, 0.2);
  color: var(--green);
}

.method.put {
  background: rgba(245, 158, 11, 0.2);
  color: var(--yellow);
}

.endpoint {
  font-size: 13px;
  font-weight: 600;
  font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
  color: var(--text);
}

.curl-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
}

.curl-code {
  padding: 12px 14px;
  background: var(--bg);
  margin: 0;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.curl-code:hover {
  background: rgba(37, 211, 102, 0.03);
}

.curl-code::after {
  content: '📋 Click to copy';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0;
  transition: var(--transition);
}

.curl-code:hover::after {
  opacity: 1;
}

.curl-code code {
  font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.5;
  display: block;
  padding-right: 100px;
}

/* ─── Info Grid ────────────────────────────────── */

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.info-item {
  background: var(--bg-input);
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.info-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

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

/* ─── Toast ────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  color: var(--text);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--green);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ─── Responsive ───────────────────────────────── */

@media (max-width: 600px) {
  .header {
    padding: 12px 16px;
  }

  .main {
    padding: 16px 12px 40px;
  }

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

  .form-row {
    flex-direction: column;
  }

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

  .curl-desc {
    display: none;
  }
}
/* ─── Instance Header Bar ──────────────────────── */
.instance-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.instance-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.instance-title-group h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 0;
}

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

.btn-sm {
  padding: 6px 10px;
  font-size: 11px;
}

/* ─── Empty State ──────────────────────────────── */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  gap: 16px;
  min-height: 400px;
}

.empty-icon {
  font-size: 64px;
  opacity: 0.2;
}

/* ─── Modal ────────────────────────────────────── */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.modal-content h2 {
  margin-bottom: 24px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Sidebar Logo Header */
.header-compact {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.api-key-compact label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none; /* Hide sidebar on mobile for now */
  }
}