:root {
  --wa-green: #25d366;
  --wa-green-dark: #128c7e;
  --wa-teal: #075e54;
  --wa-bg: #0b141a;
  --wa-panel: #111b21;
  --wa-panel-2: #202c33;
  --wa-border: #2a3942;
  --wa-text: #e9edef;
  --wa-text-muted: #8696a0;
  --wa-hover: #2a3942;
  --wa-danger: #ea4335;
  --wa-warning: #f4c430;
  --sidebar-width: 280px;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body.manager-app {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--wa-bg);
  color: var(--wa-text);
}

a {
  color: var(--wa-green);
  text-decoration: none;
}

a:hover {
  color: #4fe884;
}

/* ── App shell ── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1040;
}

.sidebar-overlay.show {
  display: block;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--wa-panel);
  border-right: 1px solid var(--wa-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1050;
  transition: transform 0.25s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--wa-border);
}

.sidebar-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wa-green), var(--wa-teal));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-brand h1 {
  font-size: 1.1rem;
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
}

.sidebar-brand small {
  display: block;
  color: var(--wa-text-muted);
  font-size: 0.75rem;
  font-weight: 400;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0.5rem;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  color: var(--wa-text);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
  background: var(--wa-hover);
  color: var(--wa-text);
}

.sidebar-nav .nav-link i,
.sidebar-nav .nav-link [data-lucide] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--wa-text-muted);
}

.sidebar-nav .nav-link.danger {
  color: #f28b82;
}

.sidebar-footer {
  padding: 0.75rem 0.5rem 1rem;
  border-top: 1px solid var(--wa-border);
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--wa-panel);
  border-bottom: 1px solid var(--wa-border);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.topbar-toggle {
  background: transparent;
  border: 1px solid var(--wa-border);
  color: var(--wa-text);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.page-body {
  flex: 1;
  padding: 1.25rem 1.5rem 2rem;
}

/* ── Stats header ── */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--wa-panel);
  border: 1px solid var(--wa-border);
  border-radius: var(--radius);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.stat-item .stat-value {
  font-weight: 700;
  color: var(--wa-green);
}

.stat-item .stat-label {
  color: var(--wa-text-muted);
}

.page-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

/* ── Instance list ── */
.instance-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.instance-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--wa-panel);
  border: 1px solid var(--wa-border);
  border-radius: var(--radius);
  transition: background 0.15s;
}

.instance-card:hover {
  background: var(--wa-panel-2);
}

.instance-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wa-panel-2), var(--wa-border));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--wa-green);
  flex-shrink: 0;
  position: relative;
}

.instance-avatar .status-dot {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--wa-panel);
}

.status-dot.online {
  background: var(--wa-green);
}

.status-dot.offline {
  background: var(--wa-text-muted);
}

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

.instance-key {
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 0.2rem;
  word-break: break-all;
}

.instance-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  font-size: 0.8rem;
  color: var(--wa-text-muted);
}

.badge-wa {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-wa.online {
  background: rgba(37, 211, 102, 0.15);
  color: var(--wa-green);
}

.badge-wa.offline {
  background: rgba(234, 67, 53, 0.15);
  color: #f28b82;
}

.badge-wa.webhook-on {
  background: rgba(37, 211, 102, 0.1);
  color: #7dcea0;
}

.badge-wa.webhook-off {
  background: rgba(134, 150, 160, 0.15);
  color: var(--wa-text-muted);
}

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

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--wa-text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-icon:hover {
  background: var(--wa-hover);
  color: var(--wa-text);
}

.btn-icon.danger:hover {
  color: #f28b82;
}

.btn-icon.primary:hover {
  color: var(--wa-green);
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--wa-text-muted);
}

.empty-state [data-lucide] {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* ── Buttons ── */
.btn-wa {
  background: var(--wa-green);
  border: none;
  color: #fff;
  font-weight: 600;
  border-radius: 8px;
  padding: 0.55rem 1.1rem;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-wa:hover {
  background: var(--wa-green-dark);
  color: #fff;
}

.btn-wa-outline {
  background: transparent;
  border: 1px solid var(--wa-border);
  color: var(--wa-text);
  font-weight: 500;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.btn-wa-outline:hover {
  background: var(--wa-hover);
  color: var(--wa-text);
}

/* ── Modals (dark) ── */
.modal-content {
  background: var(--wa-panel);
  border: 1px solid var(--wa-border);
  color: var(--wa-text);
}

.modal-header {
  border-bottom-color: var(--wa-border);
}

.modal-footer {
  border-top-color: var(--wa-border);
}

.btn-close {
  filter: invert(1);
}

.form-control,
.form-select {
  background: var(--wa-panel-2);
  border-color: var(--wa-border);
  color: var(--wa-text);
}

.form-control:focus,
.form-select:focus {
  background: var(--wa-panel-2);
  border-color: var(--wa-green);
  color: var(--wa-text);
  box-shadow: 0 0 0 0.2rem rgba(37, 211, 102, 0.2);
}

.form-control:disabled {
  background: var(--wa-bg);
  color: var(--wa-text-muted);
}

.form-label,
.form-check-label {
  color: var(--wa-text-muted);
}

.form-check-input {
  background-color: var(--wa-panel-2);
  border-color: var(--wa-border);
}

.form-check-input:checked {
  background-color: var(--wa-green);
  border-color: var(--wa-green);
}

.input-group .btn-outline-secondary {
  background: var(--wa-panel-2);
  border-color: var(--wa-border);
  color: var(--wa-text-muted);
}

.input-group .btn-outline-secondary:hover {
  background: var(--wa-hover);
  color: var(--wa-text);
}

/* ── QR modal tabs ── */
.qr-tabs .nav-link {
  color: var(--wa-text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 0.75rem 1.25rem;
}

.qr-tabs .nav-link.active {
  color: var(--wa-green);
  background: transparent;
  border-bottom-color: var(--wa-green);
}

#qrcode {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  padding: 1rem;
}

#qrcode img {
  border-radius: 8px;
}

.extension-panel .copy-field {
  margin-bottom: 1rem;
}

.extension-steps {
  padding-left: 1.25rem;
  color: var(--wa-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.extension-steps li {
  margin-bottom: 0.35rem;
}

.extension-install {
  padding: 0.85rem 1rem;
  background: var(--wa-panel-2);
  border: 1px solid var(--wa-border);
  border-radius: 8px;
}

.extension-install code {
  color: var(--wa-green);
  font-size: 0.85em;
}

.extension-download .btn-wa {
  text-decoration: none;
}

/* ── Auth pages ── */
body.auth-page {
  min-height: 100vh;
  background: var(--wa-bg);
  color: var(--wa-text);
  font-family: "Segoe UI", system-ui, sans-serif;
}

.auth-split {
  display: flex;
  min-height: 100vh;
}

.auth-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  max-width: 480px;
  margin: 0 auto;
}

.auth-right {
  flex: 1;
  background: linear-gradient(135deg, var(--wa-teal) 0%, var(--wa-bg) 50%, #1a2e35 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.auth-right::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.08);
  top: -100px;
  right: -100px;
}

.auth-logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wa-green), var(--wa-teal));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: #fff;
}

.auth-left h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.auth-left .subtitle {
  color: var(--wa-text-muted);
  margin-bottom: 2rem;
}

.auth-form {
  width: 100%;
  max-width: 360px;
}

.auth-form .form-control {
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
}

.auth-form .btn-wa {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
}

.auth-quote {
  font-size: 1.35rem;
  line-height: 1.5;
  max-width: 420px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.4s;
  position: relative;
  z-index: 1;
}

.auth-quote.visible {
  opacity: 1;
}

.auth-footer-link {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--wa-text-muted);
}

/* ── Toastr overrides ── */
#toast-container > .toast {
  background-color: var(--wa-panel-2) !important;
  color: var(--wa-text) !important;
  box-shadow: var(--shadow);
}

#toast-container > .toast-success {
  background-color: var(--wa-green-dark) !important;
}

#toast-container > .toast-error {
  background-color: var(--wa-danger) !important;
}

#toast-container > .toast-warning {
  background-color: var(--wa-warning) !important;
  color: #111 !important;
}

/* ── Emojionearea dark ── */
.emojionearea {
  background: var(--wa-panel-2) !important;
  border-color: var(--wa-border) !important;
}

.emojionearea .emojionearea-editor {
  color: var(--wa-text) !important;
}

/* ── Responsive ── */
@media (max-width: 991px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .topbar {
    display: flex;
  }

  .instance-card {
    flex-wrap: wrap;
  }

  .instance-actions {
    width: 100%;
    justify-content: flex-end;
    padding-top: 0.5rem;
    border-top: 1px solid var(--wa-border);
    margin-top: 0.25rem;
  }
}

@media (max-width: 768px) {
  .auth-right {
    display: none;
  }

  .auth-left {
    max-width: 100%;
  }

  .page-body {
    padding: 1rem;
  }
}