:root {
  --messenger-blue: #2856d8;
  --messenger-blue-dark: #173cae;
  --messenger-coral: #e66655;
  --messenger-ink: #17191d;
  --messenger-muted: #737984;
  --messenger-line: #e2e5ea;
  --messenger-surface: #ffffff;
  --messenger-soft: #f5f6f8;
}

.support-messenger {
  position: fixed;
  z-index: 1200;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  color: var(--messenger-ink);
  font-family: "DM Sans", Arial, sans-serif;
}

.support-messenger.is-context-hidden {
  display: none;
}

.support-messenger.is-launcher-hidden:not(.is-open) .support-messenger-launcher {
  display: none;
}

.support-messenger-launcher {
  position: relative;
  display: flex;
  min-width: 126px;
  height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border: 0;
  border-radius: 26px;
  box-shadow: 0 12px 34px rgba(23, 42, 92, 0.24);
  background: var(--messenger-blue);
  color: #fff;
  font: 600 0.86rem/1 "DM Sans", Arial, sans-serif;
  letter-spacing: 0;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.support-messenger-notification {
  position: absolute;
  top: -5px;
  right: -4px;
  display: grid;
  min-width: 20px;
  height: 20px;
  place-items: center;
  padding: 0 5px;
  border: 2px solid #fff;
  border-radius: 10px;
  background: #e84d4d;
  color: #fff;
  font: 700 0.6rem/1 "DM Sans", Arial, sans-serif;
}

.support-messenger-notification[hidden],
.support-messenger-nav-badge[hidden] {
  display: none;
}

.support-messenger-launcher:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 42px rgba(23, 42, 92, 0.3);
  background: var(--messenger-blue-dark);
}

.support-messenger-launcher.has-new-reply {
  animation: support-messenger-ping 520ms ease-out 2;
}

@keyframes support-messenger-ping {
  0%, 100% { transform: translateY(0) scale(1); }
  45% { transform: translateY(-2px) scale(1.045); }
}

.support-messenger-launcher-icon {
  position: relative;
  width: 18px;
  height: 14px;
  border-radius: 5px;
  background: currentColor;
}

.support-messenger-launcher-icon::after {
  position: absolute;
  right: 2px;
  bottom: -4px;
  width: 7px;
  height: 7px;
  background: currentColor;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  content: "";
}

.support-messenger-panel {
  position: absolute;
  right: 0;
  bottom: 66px;
  display: grid;
  width: min(390px, calc(100vw - 28px));
  height: min(650px, calc(100vh - 110px));
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid rgba(24, 34, 62, 0.12);
  border-radius: 18px;
  box-shadow: 0 26px 80px rgba(13, 20, 41, 0.3);
  background: var(--messenger-surface);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px) scale(0.98);
  transform-origin: right bottom;
  transition: opacity 180ms ease, transform 220ms ease;
}

.support-messenger.is-open .support-messenger-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.support-messenger.is-open .support-messenger-launcher {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.86);
}

.support-messenger-header {
  display: flex;
  min-height: 90px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 18px 20px;
  background: var(--messenger-blue);
  color: #fff;
}

.support-messenger-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.support-messenger-logo {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 7px;
  background: #fff;
}

.support-messenger-logo > span {
  color: var(--messenger-blue);
  font-family: "Newsreader", Georgia, serif;
  font-size: 1.55rem;
  font-style: italic;
  line-height: 1;
}

.support-messenger-brand div {
  display: grid;
  gap: 4px;
}

.support-messenger-brand strong {
  font-size: 0.94rem;
}

.support-messenger-brand div > span {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.68rem;
}

.support-messenger-brand i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #9bd389;
}

.support-messenger-close,
.support-messenger-back {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.support-messenger-close {
  color: #fff;
  font-size: 1.45rem;
}

.support-messenger-close:hover {
  background: rgba(255, 255, 255, 0.12);
}

.support-messenger-content {
  min-height: 0;
  overflow: hidden;
  background: linear-gradient(180deg, #f2f5ff 0, #fff 170px);
}

.support-messenger-home,
.support-messenger-form-view,
.support-messenger-list-view,
.support-messenger-conversation {
  height: 100%;
  overflow-y: auto;
  scrollbar-width: thin;
}

.support-messenger-home {
  padding: 28px 20px 22px;
}

.support-messenger-welcome {
  margin-bottom: 26px;
}

.support-messenger-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--messenger-blue);
  font: 600 0.6rem/1.2 "DM Mono", monospace;
  text-transform: uppercase;
}

.support-messenger-welcome h2 {
  margin: 0;
  color: var(--messenger-ink);
  font: 600 1.9rem/1.1 "DM Sans", Arial, sans-serif;
  letter-spacing: 0;
}

.support-messenger-welcome p {
  margin: 6px 0 0;
  color: var(--messenger-muted);
  font-size: 0.92rem;
}

.support-messenger-action-card {
  display: flex;
  width: 100%;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
  padding: 17px 18px;
  border: 1px solid var(--messenger-line);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(27, 35, 57, 0.06);
  background: #fff;
  color: var(--messenger-ink);
  text-align: left;
  cursor: pointer;
}

.support-messenger-action-card:hover {
  border-color: rgba(40, 86, 216, 0.42);
}

.support-messenger-action-card.is-primary {
  border-left: 3px solid var(--messenger-blue);
}

.support-messenger-action-copy {
  display: grid;
  gap: 5px;
}

.support-messenger-action-copy strong {
  font-size: 0.86rem;
}

.support-messenger-action-copy small {
  color: var(--messenger-muted);
  font-size: 0.68rem;
  line-height: 1.4;
}

.support-messenger-arrow {
  color: var(--messenger-blue);
  font-size: 1.35rem;
}

.support-messenger-help-link,
.support-messenger-quiet-button {
  display: block;
  margin: 18px auto 0;
  border: 0;
  background: transparent;
  color: var(--messenger-blue);
  font-size: 0.72rem;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.support-messenger-quiet-button {
  margin-top: 12px;
  color: var(--messenger-muted);
}

.support-messenger-view-head,
.support-messenger-list-head {
  display: flex;
  min-height: 70px;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--messenger-line);
  background: #fff;
}

.support-messenger-view-head > div,
.support-messenger-list-head > div {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.support-messenger-view-head strong,
.support-messenger-list-head strong {
  overflow: hidden;
  font-size: 0.84rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.support-messenger-view-head span,
.support-messenger-list-head span {
  color: var(--messenger-muted);
  font-size: 0.63rem;
}

.support-messenger-back {
  flex: 0 0 auto;
  border: 1px solid var(--messenger-line);
  color: var(--messenger-ink);
  font-size: 1rem;
}

.support-messenger-form {
  display: grid;
  gap: 14px;
  padding: 22px 20px;
}

.support-messenger-form-view .support-messenger-form {
  gap: 8px;
  padding: 12px 20px;
}

.support-messenger-form-view .support-messenger-view-head {
  min-height: 62px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.support-messenger-field {
  display: grid;
  gap: 7px;
}

.support-messenger-field > span {
  color: var(--messenger-muted);
  font-size: 0.65rem;
  font-weight: 600;
}

.support-messenger-field input,
.support-messenger-field select,
.support-messenger-field textarea,
.support-messenger-reply textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid #d7dbe2;
  border-radius: 7px;
  outline: 0;
  background: #fff;
  color: var(--messenger-ink);
  font: 400 0.82rem/1.45 "DM Sans", Arial, sans-serif;
}

.support-messenger-field input,
.support-messenger-field select {
  min-height: 44px;
  padding: 0 12px;
}

.support-messenger-field textarea {
  min-height: 110px;
  padding: 11px 12px;
  resize: vertical;
}

.support-messenger-form-view .support-messenger-field textarea {
  min-height: 72px;
}

.support-messenger-field input:focus,
.support-messenger-field select:focus,
.support-messenger-field textarea:focus,
.support-messenger-reply textarea:focus {
  border-color: var(--messenger-blue);
  box-shadow: 0 0 0 3px rgba(40, 86, 216, 0.1);
}

.support-messenger-context-note,
.support-messenger-safety {
  margin: 0;
  color: var(--messenger-muted);
  font-size: 0.68rem;
  line-height: 1.5;
}

.support-messenger-context-note {
  padding: 7px 10px;
  border-left: 2px solid var(--messenger-blue);
  background: #eef2ff;
}

.support-messenger-form-message {
  grid-column: 1 / -1;
  min-height: 0;
  margin: 0;
  font-size: 0.68rem;
  line-height: 1.4;
}

.support-messenger-form-message:empty {
  display: none;
}

.support-messenger-form-message.is-error { color: #b44235; }
.support-messenger-form-message.is-success { color: #3c7443; }

.support-messenger-submit,
.support-messenger-new-button {
  min-height: 44px;
  border: 0;
  border-radius: 7px;
  background: var(--messenger-blue);
  color: #fff;
  font: 600 0.76rem/1 "DM Sans", Arial, sans-serif;
  cursor: pointer;
}

.support-messenger-submit:hover,
.support-messenger-new-button:hover,
.support-messenger-send:hover {
  background: var(--messenger-blue-dark);
}

.support-messenger-submit:disabled,
.support-messenger-send:disabled {
  opacity: 0.55;
  cursor: wait;
}

.support-messenger-list-head {
  justify-content: space-between;
}

.support-messenger-new-button {
  min-height: 34px;
  padding: 0 14px;
}

.support-messenger-ticket-list {
  padding: 8px 0;
}

.support-messenger-ticket {
  display: flex;
  width: 100%;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 18px;
  border: 0;
  border-bottom: 1px solid var(--messenger-line);
  background: #fff;
  color: var(--messenger-ink);
  text-align: left;
  cursor: pointer;
}

.support-messenger-ticket:hover { background: var(--messenger-soft); }

.support-messenger-ticket > span {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.support-messenger-ticket strong {
  overflow: hidden;
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.support-messenger-ticket small,
.support-messenger-ticket time {
  color: var(--messenger-muted);
  font-size: 0.61rem;
}

.support-messenger-ticket time { flex: 0 0 auto; }

.support-messenger-empty,
.support-messenger-loading {
  display: grid;
  min-height: 280px;
  place-content: center;
  gap: 8px;
  padding: 30px;
  text-align: center;
}

.support-messenger-empty strong { font-size: 0.9rem; }
.support-messenger-empty p,
.support-messenger-loading p { margin: 0; color: var(--messenger-muted); font-size: 0.72rem; }

.support-messenger-loader {
  width: 22px;
  height: 22px;
  margin: 0 auto 6px;
  border: 2px solid #dfe4f1;
  border-top-color: var(--messenger-blue);
  border-radius: 50%;
  animation: support-messenger-spin 700ms linear infinite;
}

.support-messenger-conversation {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.support-messenger-messages {
  min-height: 0;
  overflow-y: auto;
  padding: 18px;
  background: #f7f8fa;
}

.support-messenger-message {
  display: flex;
  margin-bottom: 12px;
}

.support-messenger-message.is-customer { justify-content: flex-end; }

.support-messenger-bubble {
  max-width: 82%;
  padding: 10px 12px 8px;
  border: 1px solid #e0e3e8;
  border-radius: 10px 10px 10px 2px;
  background: #fff;
}

.support-messenger-message.is-customer .support-messenger-bubble {
  border-color: var(--messenger-blue);
  border-radius: 10px 10px 2px 10px;
  background: var(--messenger-blue);
  color: #fff;
}

.support-messenger-bubble p {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 0.76rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.support-messenger-bubble time {
  display: block;
  margin-top: 6px;
  color: var(--messenger-muted);
  font-size: 0.52rem;
}

.support-messenger-message.is-customer .support-messenger-bubble time {
  color: rgba(255, 255, 255, 0.7);
}

.support-messenger-reply {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--messenger-line);
  background: #fff;
}

.support-messenger-reply textarea {
  min-height: 42px;
  max-height: 90px;
  padding: 10px 12px;
  resize: none;
}

.support-messenger-send {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 7px;
  background: var(--messenger-blue);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
}

.support-messenger-nav {
  display: grid;
  height: 60px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--messenger-line);
  background: #fff;
}

.support-messenger-nav button {
  position: relative;
  display: grid;
  place-content: center;
  gap: 3px;
  border: 0;
  background: transparent;
  color: #8a909b;
  font: 500 0.58rem/1.2 "DM Sans", Arial, sans-serif;
  cursor: pointer;
}

.support-messenger-nav-badge {
  position: absolute;
  top: 12px;
  left: calc(50% + 6px);
  width: 7px;
  height: 7px;
  border: 1px solid #fff;
  border-radius: 50%;
  background: #e84d4d;
}

.support-messenger-nav button span {
  font-size: 1rem;
}

.support-messenger-nav button.is-active { color: var(--messenger-blue); }

@keyframes support-messenger-spin { to { transform: rotate(360deg); } }

@media (max-width: 620px) {
  .support-messenger {
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
  }

  .support-messenger-launcher {
    min-width: 54px;
    width: 54px;
    padding: 0;
  }

  .support-messenger-launcher-label { display: none; }

  .support-messenger-panel {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    border: 0;
    border-radius: 0;
    transform: translateY(20px);
  }

  .support-messenger-header {
    padding-top: max(18px, env(safe-area-inset-top));
  }

  .support-messenger.is-open .support-messenger-panel { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .support-messenger-panel,
  .support-messenger-launcher { transition: none; }
  .support-messenger-loader { animation: none; }
}