:root {
  --green: #25d366;
  --green-dark: #128c7e;
  --teal: #075e54;
  --teal-light: #0b3d36;
  --bg: #f0f2f5;
  --surface: #ffffff;
  --text: #111b21;
  --muted: #667781;
  --border: #e9edef;
  --bubble-out: #d9fdd3;
  --bubble-in: #ffffff;
  --error: #ea0038;
  --error-bg: #fce8ec;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(11, 20, 26, 0.08);
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
}

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

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

body {
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
}

.app {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.shell {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 200px 1fr;
  overflow: hidden;
}

.sidebar-nav {
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--border);
  padding: 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  overflow-y: auto;
}

.sidebar-nav__label {
  margin: 0 0.5rem 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.sidebar-nav__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: background 0.15s;
}

.sidebar-nav__link:hover {
  background: #f0f2f5;
}

.sidebar-nav__link--active {
  background: #e7fce8;
  color: var(--green-dark);
}

.sidebar-nav__icon {
  font-size: 1rem;
  line-height: 1;
}

.sidebar-nav__divider {
  height: 1px;
  background: var(--border);
  margin: 0.5rem 0.35rem;
}

.sidebar-nav__status {
  margin: 0.25rem 0.35rem 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.sidebar-nav__status summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.25rem 0;
}

.page-main {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.page-main--connect {
  padding: 1rem;
  overflow-y: auto;
  align-items: center;
  justify-content: center;
}

.page-main--chat {
  padding: 0;
}

.page-main--chat .workspace {
  height: 100%;
  border-radius: 0;
  box-shadow: none;
}

.page-main--send {
  padding: 1rem;
  overflow-y: auto;
  align-items: flex-start;
  justify-content: center;
}

.connect-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  text-align: center;
}

.connect-card--center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.connect-card--error {
  border: 1px solid #f5c2c7;
  background: var(--error-bg);
}

.connect-card--success h2 {
  color: var(--green-dark);
}

.connect-card__actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.send-card {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

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

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.field input,
.field textarea {
  font: inherit;
  font-weight: 400;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.meta--compact {
  font-size: 0.75rem;
  margin: 0.35rem 0 0;
}

.sidebar__head h2 {
  margin: 0;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.topbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  background: var(--teal);
  color: #fff;
  box-shadow: var(--shadow);
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar__logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--green);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.topbar h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.topbar p {
  margin: 0.1rem 0 0;
  font-size: 0.75rem;
  opacity: 0.85;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.2);
}

.badge--ready { background: var(--green); }
.badge--qr { background: #fff3cd; color: #856404; }
.badge--error { background: var(--error-bg); color: var(--error); }

.content {
  flex: 1;
  min-height: 0;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
}

.content:has(.panel--workspace:not([hidden])) {
  overflow: hidden;
}

.panel {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel--card {
  padding: 1.25rem;
}

.panel--center {
  text-align: center;
  padding: 2.5rem 1.25rem;
}

.panel--error {
  border: 1px solid #f5c2c7;
  background: var(--error-bg);
}

.panel--workspace {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
}

.panel--meta {
  flex-shrink: 0;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}

.panel--meta summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
}

.hint {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.45;
}

.hint--sm {
  font-size: 0.78rem;
  margin: 0.15rem 0 0;
}

.tabs {
  flex-shrink: 0;
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: #f7f8fa;
  padding: 0 0.5rem;
}

.tabs__btn {
  border: none;
  background: none;
  padding: 0.85rem 1.1rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tabs__btn:hover {
  color: var(--text);
}

.tabs__btn--active {
  color: var(--green-dark);
  border-bottom-color: var(--green);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(240px, 300px) 1fr;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.sidebar {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: #fff;
  min-height: 0;
  overflow: hidden;
}

.sidebar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.85rem 0.35rem;
}

.sidebar__head h3 {
  margin: 0;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.count {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--bg);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}

.search {
  margin: 0 0.65rem 0.5rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 0.85rem;
}

.search:focus {
  outline: 2px solid var(--green);
  border-color: var(--green);
}

.chat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  min-height: 0;
  overscroll-behavior: contain;
}

.chat-list__item {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  border: none;
  background: none;
  padding: 0.7rem 0.85rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  font: inherit;
  color: inherit;
}

.chat-list__item-inner {
  min-width: 0;
  flex: 1;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.avatar--group {
  background: linear-gradient(135deg, #5b7c99, #3d5a73);
}

.chat-list__item:hover {
  background: #f5f6f6;
}

.chat-list__item--active {
  background: #f0f2f5;
}

.chat-list__name {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-list__preview {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-list__meta {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.chat-list__empty {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.chat-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background: #efeae2;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23d4cfc4' fill-opacity='0.25'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.chat-pane__head {
  flex-shrink: 0;
  padding: 0.65rem 0.85rem;
  background: #f0f2f5;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.chat-pane__footer {
  flex-shrink: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.chat-pane__title-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  flex: 1;
  flex-wrap: wrap;
}

.live-indicator {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--green);
  animation: live-pulse 2s ease-in-out infinite;
}

@keyframes live-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

.chat-pane__head h3 {
  margin: 0;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-pane__head .avatar {
  width: 36px;
  height: 36px;
  font-size: 0.72rem;
}

.messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  padding: 0.75rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  scroll-behavior: smooth;
}

.messages::-webkit-scrollbar {
  width: 6px;
}

.messages::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

.chat-list::-webkit-scrollbar {
  width: 5px;
}

.chat-list::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 3px;
}

.messages__empty {
  margin: auto;
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
  max-width: 280px;
  line-height: 1.5;
  padding: 1rem;
}

.messages__empty strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.msg {
  position: relative;
  max-width: min(85%, 420px);
  padding: 0.4rem 0.55rem 0.3rem 0.65rem;
  border-radius: 7.5px;
  font-size: 0.875rem;
  line-height: 1.45;
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
  word-break: break-word;
}

.msg--in {
  align-self: flex-start;
  background: var(--bubble-in);
  border-top-left-radius: 2px;
}

.msg--out {
  align-self: flex-end;
  background: var(--bubble-out);
  border-top-right-radius: 2px;
}

.msg-date {
  align-self: center;
  margin: 0.65rem 0 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #54656f;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.1);
}

.msg__author {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 0.15rem;
}

.msg__author--me {
  color: #54656f;
  font-weight: 600;
}

.msg__body {
  margin: 0;
}

.msg__body--caption {
  margin-top: 0.35rem;
  font-size: 0.82rem;
}

.msg__media {
  margin: 0.15rem 0 0.1rem;
  min-width: 120px;
  max-width: 100%;
  position: relative;
  z-index: 1;
}

.msg__media-loading {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--muted);
  padding: 0.5rem 0;
}

.msg__media-err {
  font-size: 0.78rem;
  color: var(--error);
}

.msg__media-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-width: 100%;
}

.msg__media-hit {
  display: block;
  padding: 0;
  border: none;
  background: none;
  cursor: zoom-in;
  text-align: left;
  max-width: 100%;
  border-radius: 6px;
  position: relative;
  z-index: 1;
}

.msg__media-hit:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.msg__media-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  position: relative;
  z-index: 2;
}

.msg__media-action {
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.06);
  color: var(--green-dark);
  pointer-events: auto;
  touch-action: manipulation;
  position: relative;
  z-index: 2;
}

.msg__media-action:hover {
  background: rgba(0, 0, 0, 0.1);
}

.msg__img {
  display: block;
  max-width: 100%;
  max-height: 280px;
  border-radius: 6px;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.04);
  vertical-align: middle;
}

.msg__video {
  display: block;
  max-width: 100%;
  max-height: 280px;
  border-radius: 6px;
  background: #000;
}

.msg__audio {
  display: block;
  width: 100%;
  min-width: 220px;
  max-width: 320px;
}

.msg__file {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.05);
  color: inherit;
  font-size: 0.85rem;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.msg__media-hit.msg__file:hover,
.msg__media-hit:hover .msg__img {
  filter: brightness(0.97);
}

.msg__media-hit.msg__file:hover {
  background: rgba(0, 0, 0, 0.08);
}

/* Lightbox pratinjau media */
body.media-lightbox-open {
  overflow: hidden;
}

.media-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.media-lightbox[hidden] {
  display: none !important;
}

.media-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 20, 26, 0.82);
  cursor: zoom-out;
}

.media-lightbox__panel {
  position: relative;
  z-index: 1;
  width: min(96vw, 920px);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.media-lightbox__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.media-lightbox__title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.media-lightbox__toolbar {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
}

.btn--lightbox-close {
  min-width: 2rem;
  color: var(--text) !important;
  background: var(--bg) !important;
}

.media-lightbox__body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  background: #0b141a;
}

.media-lightbox__img {
  max-width: 100%;
  max-height: calc(92vh - 120px);
  object-fit: contain;
  border-radius: 4px;
}

.media-lightbox__video {
  max-width: 100%;
  max-height: calc(92vh - 120px);
  border-radius: 4px;
}

.media-lightbox__audio {
  width: min(100%, 480px);
}

.media-lightbox__pdf {
  width: 100%;
  height: min(70vh, 640px);
  border: none;
  border-radius: 4px;
  background: #fff;
}

.media-lightbox__file-placeholder {
  text-align: center;
  color: #e9edef;
  padding: 2rem 1rem;
}

.media-lightbox__file-placeholder .hint {
  color: #8696a0;
}

.media-lightbox__file-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.5rem;
}

.msg__file-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.msg__file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.msg__body strong {
  font-weight: 700;
}

.msg__body em {
  font-style: italic;
}

.msg__body del {
  text-decoration: line-through;
  opacity: 0.85;
}

.msg__code {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: 0.82em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.06);
}

.msg__pre {
  margin: 0.35em 0;
  padding: 0.45em 0.55em;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.06);
  overflow-x: auto;
}

.msg__pre code {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: 0.8em;
  white-space: pre-wrap;
}

.msg__quote {
  margin: 0.25em 0;
  padding: 0.2em 0 0.2em 0.65em;
  border-left: 3px solid var(--green);
  color: var(--muted);
}

.msg__li {
  display: block;
  padding-left: 0.15em;
}

.msg__link {
  color: #027eb5;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.msg--out .msg__link {
  color: #006680;
}

.msg__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.2rem;
  margin-top: 0.15rem;
}

.msg__time {
  font-size: 0.65rem;
  color: var(--muted);
  line-height: 1;
}

.msg__tick {
  font-size: 0.72rem;
  color: #53bdeb;
  letter-spacing: -0.12em;
  line-height: 1;
}

.composer {
  display: flex;
  gap: 0.5rem;
  padding: 0.65rem;
  align-items: flex-end;
}

.chat-pane__footer .feedback {
  margin: 0 0.65rem 0.65rem;
}

.composer textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
  font: inherit;
  font-size: 0.875rem;
  min-height: 42px;
}

.composer textarea:focus {
  outline: 2px solid var(--green);
  border-color: var(--green);
}

.composer textarea:disabled {
  background: #f5f6f6;
}

.view-quick {
  padding: 1.25rem;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.quick-card {
  max-width: 420px;
}

.quick-card h3 {
  margin: 0 0 0.35rem;
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.field input,
.field textarea {
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--green);
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn--primary:hover:not(:disabled) {
  background: var(--green-dark);
}

.btn--sm {
  font-size: 0.78rem;
  padding: 0.35rem 0.65rem;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.btn--ghost:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.28);
}

.btn--danger {
  background: rgba(234, 0, 56, 0.25);
  color: #fff;
}

.btn--danger:hover:not(:disabled) {
  background: rgba(234, 0, 56, 0.45);
}

.btn--icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1;
}

.btn--icon:hover {
  background: var(--border);
}

.btn--light {
  background: #fff;
  border: 1px solid var(--border);
}

.btn--light:hover:not(:disabled) {
  background: var(--bg);
}

.btn--block {
  width: 100%;
}

.btn--dark {
  background: var(--teal);
  color: #fff;
}

.btn--dark:hover:not(:disabled) {
  background: var(--teal-light);
}

.feedback {
  margin: 0 0.65rem 0.65rem;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  font-size: 0.8rem;
}

.feedback--ok {
  background: #e7f8ee;
  color: #0d6832;
}

.feedback--err {
  background: var(--error-bg);
  color: var(--error);
}

.qr-box {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 260px;
  background: var(--bg);
  border-radius: var(--radius);
}

.qr-placeholder {
  text-align: center;
  color: var(--muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

.spinner--lg {
  width: 44px;
  height: 44px;
}

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

.meta {
  display: grid;
  gap: 0.4rem;
  margin: 0.5rem 0;
}

.meta div {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
}

.meta dt { color: var(--muted); margin: 0; }
.meta dd { margin: 0; font-weight: 600; }

a { color: var(--green-dark); }

/* —— UX: skeleton, toast, scroll, mobile —— */
.skeleton {
  display: block;
  background: linear-gradient(
    90deg,
    #e9edef 25%,
    #f5f6f6 50%,
    #e9edef 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.2s ease-in-out infinite;
  border-radius: 6px;
}

@keyframes skeleton-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.skeleton--avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.skeleton--line {
  height: 10px;
  margin-bottom: 6px;
}

.skeleton--w80 { width: 80%; }
.skeleton--w55 { width: 55%; }

.skeleton--bubble {
  width: 72%;
  height: 36px;
  border-radius: 8px;
}

.skeleton-chat-item {
  display: flex;
  gap: 0.65rem;
  padding: 0.65rem 0.85rem;
  align-items: center;
}

.skeleton-chat-item__lines {
  flex: 1;
  min-width: 0;
}

.skeleton-msg {
  display: flex;
  margin-bottom: 0.5rem;
}

.skeleton-msg--in { justify-content: flex-start; }
.skeleton-msg--out { justify-content: flex-end; }

.chat-list__name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
}

.chat-list__mark {
  background: #fff3cd;
  color: inherit;
  padding: 0 0.1em;
  border-radius: 2px;
}

.chat-list__unread {
  flex-shrink: 0;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.messages-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.messages-wrap .messages {
  flex: 1;
}

.btn-scroll-bottom {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 5;
  border: none;
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--surface);
  color: var(--green-dark);
  box-shadow: 0 2px 8px rgba(11, 20, 26, 0.15);
}

.btn-scroll-bottom:hover {
  background: #e7fce8;
}

.btn--back-mobile {
  display: none;
  flex-shrink: 0;
}

.composer-hint {
  margin: 0 0.65rem 0.5rem;
  font-size: 0.68rem;
  color: var(--muted);
  text-align: center;
}

.btn--loading {
  opacity: 0.7;
  pointer-events: none;
}

.toast-root {
  position: fixed;
  top: 4.5rem;
  right: 1rem;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
  max-width: min(360px, calc(100vw - 2rem));
}

.toast {
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(11, 20, 26, 0.18);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: auto;
}

.toast--visible {
  opacity: 1;
  transform: translateY(0);
}

.toast--ok {
  background: #e7f8ee;
  color: #0d6832;
}

.toast--err {
  background: var(--error-bg);
  color: var(--error);
}

.bottom-nav {
  display: none;
}

body.has-bottom-nav .app {
  padding-bottom: 0;
}

@media (max-width: 720px) {
  body.has-bottom-nav .app {
    padding-bottom: 3.75rem;
  }

  .bottom-nav {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 900;
    background: var(--surface);
    border-top: 1px solid var(--border);
    justify-content: space-around;
    padding: 0.35rem 0.25rem calc(0.35rem + env(safe-area-inset-bottom, 0));
    max-width: 1280px;
    margin: 0 auto;
  }

  .bottom-nav__link {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.35rem 0.25rem;
    text-decoration: none;
    color: var(--muted);
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: 8px;
  }

  .bottom-nav__link--active {
    color: var(--green-dark);
    background: #e7fce8;
  }

  .bottom-nav__icon {
    font-size: 1.1rem;
  }

  .has-bottom-nav .shell {
    grid-template-columns: 1fr;
  }

  .has-bottom-nav .sidebar-nav {
    display: none;
  }

  .page-main--chat .workspace .chat-pane {
    display: none;
  }

  .page-main--chat .workspace.workspace--chat-open .sidebar {
    display: none;
  }

  .page-main--chat .workspace.workspace--chat-open .chat-pane {
    display: flex;
  }

  .btn--back-mobile {
    display: inline-flex;
  }

  .page-main--chat .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
  }

  .page-main--chat .workspace .sidebar {
    min-height: 0;
    border-right: none;
  }

  .content {
    padding: 0.5rem;
  }

  .panel--meta {
    display: none;
  }
}