:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef3f8;
  --text: #17212b;
  --muted: #667382;
  --line: #d7dee6;
  --primary: #2481cc;
  --primary-dark: #1867a9;
  --success: #2c9b61;
  --danger: #c43d4b;
  --bubble-own: #d9f0ff;
  --bubble-other: #ffffff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

button,
textarea,
input {
  font: inherit;
}

button {
  border: 0;
  border-radius: 7px;
  background: var(--primary);
  color: #fff;
  min-height: 38px;
  padding: 0 14px;
  cursor: pointer;
  font-weight: 650;
}

button:hover {
  background: var(--primary-dark);
}

button.secondary {
  background: var(--surface-2);
  color: var(--text);
}

button.secondary:hover {
  background: #dfe8f1;
}

button.success {
  background: var(--success);
}

button.danger {
  background: var(--danger);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

textarea,
input {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 11px;
  outline: none;
}

textarea:focus,
input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(36, 129, 204, 0.15);
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: calc(14px + var(--tg-safe-area-inset-top, 0px)) 18px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 249, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand strong {
  font-size: 15px;
}

.brand span,
.muted {
  color: var(--muted);
  font-size: 13px;
}

.content {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.session-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.link-panel,
.chat-panel,
.invoice-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.link-panel {
  padding: 14px;
}

.link-panel h2,
.chat-panel h2 {
  margin: 0;
  font-size: 15px;
}

.link-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.copy-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.copy-row input {
  min-width: 0;
  font-size: 13px;
}

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

.single-chat {
  max-width: 720px;
  margin: 0 auto;
}

.chat-panel {
  min-height: 620px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.badge {
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  padding: 5px 8px;
  font-size: 12px;
  font-weight: 700;
}

.badge.price {
  color: var(--primary);
}

.messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 300px;
  padding: 14px;
  overflow-y: auto;
  background: linear-gradient(180deg, var(--surface-2), var(--bg));
}

.empty {
  margin: auto;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

.message {
  max-width: 82%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--bubble-other);
  align-self: flex-start;
}

.message.own {
  background: var(--bubble-own);
  align-self: flex-end;
}

.message-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 3px;
}

.message-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.35;
}

.composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--line);
}

.composer textarea {
  min-height: 42px;
  max-height: 140px;
  resize: vertical;
}

.payments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 14px 14px;
}

.notice {
  margin: 0 14px 14px;
  border-radius: 7px;
  background: #fff6d8;
  color: #6c4c00;
  padding: 10px 11px;
  font-size: 13px;
}

.error {
  margin: 0 0 12px;
  border-radius: 7px;
  background: #ffe7eb;
  color: #8d2130;
  padding: 10px 11px;
  font-size: 13px;
}

.loading {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.mockup-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 14px;
}

.mockup-hero > div,
.deep-link-panel,
.mockup-panel,
.stat-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.mockup-hero > div:first-child {
  padding: 18px;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 8px;
  border-radius: 999px;
  background: #e5f4ec;
  color: #227248;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.mockup-hero h1 {
  margin: 0 0 8px;
  font-size: 42px;
  line-height: 1;
  letter-spacing: 0;
}

.mockup-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.deep-link-panel {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.deep-link-panel label {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.deep-link-panel span {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.deep-link-panel button {
  grid-row: span 2;
}

.mockup-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.stat-card {
  display: grid;
  gap: 5px;
  min-height: 98px;
  padding: 13px;
}

.stat-card span,
.stat-card em,
.mockup-panel header span,
.collection-body span,
.collection-body em,
.stack-item span,
.flow-list,
.performer-row em,
.room-row em,
.room-row small {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.stat-card strong {
  font-size: 24px;
}

.mockup-grid {
  display: grid;
  grid-template-columns: 280px minmax(360px, 1fr) 310px;
  gap: 14px;
  margin-bottom: 14px;
}

.mockup-grid.bottom {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr) minmax(300px, 0.9fr);
}

.mockup-panel {
  min-width: 0;
  overflow: hidden;
}

.mockup-panel header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 13px;
  border-bottom: 1px solid var(--line);
}

.mockup-panel h2 {
  margin: 0 0 3px;
  font-size: 15px;
}

.performer-list,
.room-list,
.stack-grid,
.collection-grid,
.schema-cloud,
.flow-list {
  padding: 12px;
}

.performer-list,
.room-list {
  display: grid;
  gap: 8px;
}

.performer-row,
.room-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  height: auto;
  min-height: 54px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 9px;
  text-align: left;
}

.performer-row:hover,
.room-row:hover,
.performer-row.active,
.room-row.active {
  border-color: rgba(36, 129, 204, 0.45);
  background: var(--surface-2);
}

.performer-row span,
.room-row span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.performer-row strong,
.room-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.performer-row b,
.room-row b {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  border-radius: 999px;
  background: #d95c6a;
  color: #fff;
  font-size: 12px;
}

.room-row-side {
  align-items: end;
}

.room-panel {
  display: flex;
  min-height: 640px;
  flex-direction: column;
}

.room-thread {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 14px;
  background: var(--surface-2);
  overflow-y: auto;
}

.room-message {
  align-self: flex-start;
  max-width: 80%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bubble-other);
  padding: 9px 10px;
}

.room-message.own {
  align-self: flex-end;
  background: var(--bubble-own);
}

.room-message p {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
  line-height: 1.36;
}

.room-message-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
}

.collection-drop {
  align-self: stretch;
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 10px;
}

.collection-drop > div:nth-child(2) {
  display: grid;
  gap: 3px;
}

.collection-cover {
  display: grid;
  place-items: end start;
  min-height: 82px;
  border-radius: 7px;
  background: #4b6584;
  padding: 8px;
}

.collection-cover span {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: #17212b;
  padding: 4px 7px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.collection-cover.rose {
  background: #8f4b5f;
}

.collection-cover.gold {
  background: #9b7a2d;
}

.collection-cover.blue {
  background: #34699a;
}

.mock-composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 13px;
  border-top: 1px solid var(--line);
}

.store-panel .collection-grid {
  display: grid;
  gap: 10px;
}

.collection-card {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}

.collection-card .collection-cover {
  min-height: 68px;
}

.collection-body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.collection-body strong,
.collection-body span,
.collection-body em {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.stack-item {
  display: grid;
  gap: 4px;
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.schema-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.schema-cloud code {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  padding: 6px 8px;
  font-size: 12px;
}

.flow-list {
  margin: 0;
  display: grid;
  gap: 8px;
  padding-left: 30px;
  line-height: 1.35;
}

.simple-mockup {
  max-width: 1120px;
  margin: 0 auto;
}

.simple-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.simple-title h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 0;
}

.simple-title div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.simple-phones {
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 14px;
  align-items: start;
}

.simple-phone {
  display: flex;
  flex-direction: column;
  min-height: 760px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.simple-phone-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.simple-phone-head div {
  display: grid;
  gap: 2px;
}

.simple-phone-head span,
.simple-section h2,
.simple-metric span,
.simple-row em,
.simple-row small {
  color: var(--muted);
}

.simple-phone-head span,
.simple-metric span,
.simple-row em,
.simple-row small {
  font-size: 12px;
}

.simple-phone-head strong {
  font-size: 18px;
}

.simple-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
  background: var(--surface-2);
}

.simple-metric {
  display: grid;
  gap: 4px;
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 10px;
}

.simple-metric strong {
  font-size: 20px;
}

.simple-section {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--line);
}

.simple-section h2 {
  margin: 0;
  font-size: 13px;
  text-transform: uppercase;
}

.simple-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 10px;
  text-align: left;
}

.simple-row.active,
.simple-row:hover {
  border-color: rgba(36, 129, 204, 0.45);
  background: var(--surface-2);
}

.simple-row > span:first-child {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.simple-row strong,
.simple-row em {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.simple-row em {
  font-style: normal;
}

.simple-side {
  display: grid;
  justify-items: end;
  gap: 4px;
  flex: 0 0 auto;
}

.simple-side b {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 12px;
}

.simple-packages {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.simple-nav {
  position: sticky;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: auto;
  padding: 10px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.simple-nav button {
  min-width: 0;
  background: var(--surface-2);
  color: var(--muted);
  padding: 0 8px;
}

.simple-nav button.active {
  background: var(--primary);
  color: #fff;
}

@media (max-width: 860px) {
  .content {
    padding: 12px;
  }

  .session-grid,
  .chat-grid {
    grid-template-columns: 1fr;
  }

  .chat-panel {
    min-height: 560px;
  }

  .mockup-hero,
  .mockup-grid,
  .mockup-grid.bottom,
  .mockup-stats {
    grid-template-columns: 1fr;
  }

  .room-panel {
    min-height: 560px;
  }

  .mockup-hero h1 {
    font-size: 30px;
  }

  .collection-drop,
  .collection-card {
    grid-template-columns: 72px 1fr;
  }

  .collection-drop button,
  .collection-card button {
    grid-column: 1 / -1;
  }

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

  .simple-title {
    align-items: stretch;
    flex-direction: column;
  }

  .simple-title div {
    justify-content: stretch;
  }

  .simple-title button {
    flex: 1;
  }

  .simple-phones {
    grid-template-columns: 1fr;
  }

  .simple-phone {
    min-height: 680px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111820;
    --surface: #17212b;
    --surface-2: #202d39;
    --text: #eef5fb;
    --muted: #9aa9b8;
    --line: #2d3b49;
    --primary: #45a6f5;
    --primary-dark: #2d8bd5;
    --bubble-own: #1c4262;
    --bubble-other: #17212b;
  }

  .topbar {
    background: rgba(17, 24, 32, 0.92);
  }

  .notice {
    background: #3a310f;
    color: #f2d27a;
  }

  .error {
    background: #3b1720;
    color: #ffabb7;
  }
}