:root {
  --bg-ink: #102d29;
  --bg-deep: #0c1e20;
  --panel: rgba(251, 248, 241, 0.92);
  --accent: #127c63;
  --accent-dark: #0c5e4c;
  --line: rgba(18, 44, 41, 0.1);
  --muted: #5b6b66;
  --shadow: 0 24px 60px rgba(8, 20, 20, 0.2);
  --radius-xl: 28px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Gill Sans", sans-serif;
  color: var(--bg-deep);
  background:
    radial-gradient(circle at top left, rgba(45, 148, 112, 0.34), transparent 28%),
    radial-gradient(circle at bottom right, rgba(255, 180, 123, 0.18), transparent 24%),
    linear-gradient(135deg, #0f302d 0%, #153b38 44%, #c7d8c8 100%);
}

button,
input,
textarea {
  font: inherit;
}

.hidden {
  display: none !important;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.backdrop-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(20px);
  opacity: 0.55;
}

.orb-one {
  top: -120px;
  left: -80px;
  width: 320px;
  height: 320px;
  background: rgba(255, 204, 125, 0.34);
}

.orb-two {
  right: -110px;
  bottom: -140px;
  width: 360px;
  height: 360px;
  background: rgba(91, 176, 145, 0.28);
}

.auth-panel,
.app-shell {
  position: relative;
  z-index: 1;
  width: min(1220px, calc(100% - 32px));
  margin: 16px auto;
  animation: rise-in 0.45s ease;
}

.auth-panel {
  min-height: calc(100vh - 32px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
}

.auth-copy {
  color: #f3f0e7;
  padding: 32px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(243, 240, 231, 0.82);
}

.auth-copy h1,
.chat-header h3,
.inspector-card h3,
.sidebar-top h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
}

.auth-copy h1 {
  max-width: 14ch;
  font-size: clamp(2.7rem, 5vw, 4.4rem);
  line-height: 0.98;
}

.auth-copy-text {
  max-width: 34rem;
  margin-top: 18px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(243, 240, 231, 0.82);
}

.auth-card,
.inspector-card,
.sidebar,
.chat-stage {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.auth-card,
.sidebar,
.chat-stage,
.inspector-card {
  border-radius: var(--radius-xl);
}

.auth-card,
.sidebar {
  padding: 24px;
}

.mode-switch,
.tab-switcher,
.metric-grid {
  display: grid;
  gap: 10px;
}

.mode-switch,
.tab-switcher {
  grid-template-columns: repeat(2, 1fr);
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 14px;
}

.mode-button,
.tab-button,
.ghost-button,
.primary-button {
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    background-color 0.18s ease,
    color 0.18s ease;
}

.mode-button,
.tab-button {
  padding: 12px 16px;
  background: rgba(16, 45, 41, 0.08);
  color: var(--muted);
  font-weight: 700;
}

.mode-button.is-active,
.tab-button.is-active {
  background: var(--accent);
  color: #f7f4eb;
}

.auth-form {
  margin-top: 22px;
  display: grid;
  gap: 16px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field-group,
.search-box {
  display: grid;
  gap: 8px;
}

.field-group label,
.search-box span {
  font-size: 0.9rem;
  color: var(--muted);
}

.field-group input,
.search-box input,
.composer textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.7);
  padding: 14px 16px;
  color: var(--bg-deep);
}

.primary-button {
  background: linear-gradient(135deg, #127c63 0%, #0c5e4c 100%);
  color: #f7f4eb;
  font-weight: 700;
  padding: 14px 20px;
}

.ghost-button {
  padding: 10px 14px;
  background: rgba(16, 45, 41, 0.08);
  color: var(--bg-deep);
}

.status-message {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
}

.status-message.error {
  color: #af3e3e;
}

.status-message.success {
  color: var(--accent-dark);
}

.app-shell {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr) 290px;
  gap: 18px;
  min-height: calc(100vh - 32px);
}

.sidebar,
.chat-stage,
.inspector {
  min-height: calc(100vh - 32px);
}

.sidebar,
.chat-stage,
.inspector {
  display: flex;
  flex-direction: column;
}

.sidebar {
  gap: 18px;
}

.sidebar-top,
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(18, 124, 99, 0.14), rgba(255, 255, 255, 0.45));
}

.user-chip p,
.chat-title-wrap p,
.inspector-card p,
.chat-meta {
  margin: 0;
  color: var(--muted);
}

.avatar-ring {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #f7f4eb;
  font-weight: 700;
  background: linear-gradient(135deg, #1a8d71 0%, #0f5f4d 100%);
}

.avatar-ring.large {
  width: 56px;
  height: 56px;
  border-radius: 18px;
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: auto;
  padding-right: 4px;
}

.sidebar-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
}

.sidebar-item.is-active,
.sidebar-item:hover {
  border-color: rgba(18, 124, 99, 0.2);
  background: rgba(223, 243, 234, 0.9);
}

.sidebar-item h4,
.metric-tile strong {
  margin: 0;
}

.sidebar-item .preview,
.sidebar-item .secondary {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.92rem;
}

.item-badge {
  min-width: 28px;
  padding: 6px 8px;
  border-radius: 999px;
  text-align: center;
  font-size: 0.8rem;
  color: #f7f4eb;
  background: var(--accent);
}

.chat-stage {
  overflow: hidden;
}

.chat-header {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.chat-title-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.message-stream {
  flex: 1;
  overflow: auto;
  padding: 26px 24px 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0)),
    radial-gradient(circle at top right, rgba(18, 124, 99, 0.08), transparent 24%),
    #f7f3ea;
}

.message-date {
  width: fit-content;
  margin: 0 auto 20px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(18, 124, 99, 0.12);
  color: var(--accent-dark);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.message-row {
  display: flex;
  margin-bottom: 14px;
}

.message-row.outgoing {
  justify-content: flex-end;
}

.bubble {
  max-width: min(520px, 84%);
  padding: 14px 16px;
  border-radius: 20px 20px 20px 6px;
  background: #ffffff;
}

.message-row.outgoing .bubble {
  background: linear-gradient(135deg, #d7efe5 0%, #eff8f4 100%);
  border-radius: 20px 20px 6px 20px;
}

.bubble .sender {
  margin: 0 0 6px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
}

.bubble p {
  margin: 0;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.bubble-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--muted);
}

.media-card {
  margin-top: 10px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(16, 45, 41, 0.06);
}

.media-card a {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 18px 24px 22px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.composer textarea {
  min-height: 56px;
  resize: vertical;
}

.composer.is-disabled {
  opacity: 0.64;
}

.composer.is-disabled textarea,
.composer.is-disabled button {
  pointer-events: none;
}

.inspector {
  gap: 18px;
}

.inspector-card {
  padding: 20px;
}

.connection-card {
  display: grid;
  gap: 14px;
}

.instance-form {
  display: grid;
  gap: 12px;
}

.instance-actions,
.instance-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.instance-actions .primary-button,
.instance-actions .ghost-button {
  width: 100%;
}

.danger-button {
  color: #8d3434;
}

.instance-summary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-tile.compact {
  padding: 14px;
}

.metric-tile.compact strong {
  font-size: 1rem;
  line-height: 1.35;
  word-break: break-word;
}

.qr-panel {
  display: grid;
  gap: 12px;
  justify-items: center;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(18, 124, 99, 0.12);
}

.qr-panel img {
  width: min(100%, 240px);
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 18px;
  background: #ffffff;
  padding: 12px;
}

.pairing-card {
  display: grid;
  gap: 6px;
  justify-items: center;
  text-align: center;
  color: var(--muted);
}

.pairing-card strong {
  color: var(--bg-deep);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.metric-tile {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(18, 124, 99, 0.08);
}

.metric-tile strong {
  display: block;
  font-size: 1.65rem;
}

.empty-state,
.empty-list {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

.empty-list {
  background: rgba(255, 255, 255, 0.42);
  border-radius: var(--radius-md);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 320px 1fr;
  }

  .inspector {
    grid-column: 1 / -1;
    min-height: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .auth-panel,
  .app-shell {
    width: min(100%, calc(100% - 20px));
    margin: 10px auto;
  }

  .auth-panel,
  .app-shell,
  .field-grid,
  .composer {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-height: 46vh;
  }

  .message-stream {
    min-height: 44vh;
  }

  .inspector {
    display: grid;
    grid-template-columns: 1fr;
  }

  .instance-actions,
  .instance-summary {
    grid-template-columns: 1fr;
  }
}