:root {
  color-scheme: light;
  --bg: #f6f7f2;
  --surface: #ffffff;
  --surface-strong: #101820;
  --text: #101820;
  --muted: #697164;
  --line: #dfe4d8;
  --accent: #3fb8af;
  --accent-strong: #21877f;
  --warn: #f4d35e;
  --danger: #c84630;
  --radius: 8px;
  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,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #edf1e8;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding: 12px max(20px, env(safe-area-inset-left)) 12px max(20px, env(safe-area-inset-right));
  background: rgba(246, 247, 242, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--warn);
  font-weight: 800;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.1;
}

.topbar-actions,
.hero-actions,
.row-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.layout {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  min-height: calc(100vh - 72px);
}

.sidebar {
  position: sticky;
  top: 72px;
  height: calc(100vh - 72px);
  padding: 20px;
  border-right: 1px solid var(--line);
}

.nav-list {
  display: grid;
  gap: 8px;
}

.nav-item {
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  text-align: left;
}

.nav-item.active {
  border-color: var(--surface-strong);
  background: var(--surface-strong);
  color: #fff;
}

.nav-item.accent:not(.active) {
  color: var(--accent-strong);
}

.content {
  padding: 24px;
}

.welcome-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 44%);
  gap: 24px;
  align-items: center;
  margin-bottom: 24px;
}

.hero-copy h1,
.view-header h1 {
  margin: 0 0 12px;
  max-width: 780px;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1;
}

.hero-copy p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.hero-preview {
  width: 100%;
  min-height: 280px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 18px 44px rgba(16, 24, 32, 0.16);
}

.panel,
.card,
.toolbar {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.panel {
  padding: 20px;
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  gap: 20px;
  align-items: end;
}

.workspace {
  display: grid;
  gap: 18px;
}

.view-header,
.toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.toolbar {
  align-items: center;
  padding: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.card {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.draft-card {
  border-color: #b9dfd9;
  background: linear-gradient(180deg, #ffffff 0%, #f5fbfa 100%);
}

.draft-card.confirmed {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(63, 184, 175, 0.14);
}

.draft-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.draft-total {
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: #fff;
  padding: 12px;
  text-align: right;
}

.draft-total span {
  display: block;
  color: #cbd6cb;
  font-size: 12px;
}

.draft-items {
  display: grid;
  gap: 8px;
}

.draft-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background: #fff;
}

.draft-shares {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  grid-column: 1 / -1;
}

.model-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.model-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background: #fff;
}

.model-card strong {
  display: block;
}

.confirm-banner {
  border-radius: var(--radius);
  background: #e7f7f4;
  color: #175f58;
  padding: 10px 12px;
  font-weight: 750;
}

.card h3,
.panel h2,
.view-header h1 {
  margin-top: 0;
}

.muted,
.empty {
  color: var(--muted);
}

.eyebrow,
.status-pill {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.status-pill {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  background: var(--surface);
}

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

.auth-actions {
  display: grid;
  gap: 10px;
}

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

.form-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 118px;
  resize: vertical;
}

.primary-button,
.secondary-button,
.ghost-button,
.danger-button {
  min-height: 42px;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 750;
}

.primary-button {
  border: 1px solid var(--surface-strong);
  background: var(--surface-strong);
  color: #fff;
}

.secondary-button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--surface-strong);
}

.ghost-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.danger-button {
  border: 1px solid var(--danger);
  background: #fff;
  color: var(--danger);
}

.yandex-button {
  display: inline-flex;
  min-height: 48px;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid #111;
  border-radius: var(--radius);
  padding: 10px 14px;
  background: #111;
  color: #fff;
  font-weight: 800;
}

.yandex-mark {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: #fc3f1d;
  color: #fff;
  font-weight: 900;
}

.list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--surface);
}

.amount {
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  max-width: min(420px, calc(100vw - 40px));
  border: 1px solid var(--surface-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  background: var(--surface-strong);
  color: #fff;
  box-shadow: 0 16px 36px rgba(16, 24, 32, 0.24);
}

.mobile-tabs {
  display: none;
}

.splitik-log {
  display: grid;
  gap: 10px;
  max-height: 46vh;
  overflow: auto;
  padding: 4px;
}

.message {
  max-width: 82%;
  border-radius: 8px;
  padding: 10px 12px;
  line-height: 1.4;
}

.message.user {
  justify-self: end;
  background: var(--surface-strong);
  color: #fff;
}

.message.assistant {
  justify-self: start;
  background: #edf1e8;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  border-radius: 999px;
  background: #edf1e8;
  padding: 5px 9px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .layout {
    display: block;
  }

  .sidebar {
    display: none;
  }

  .content {
    padding: 16px 16px 88px;
  }

  .welcome-grid,
  .auth-panel {
    grid-template-columns: 1fr;
  }

  .form-grid.two,
  .form-grid.three {
    grid-template-columns: 1fr;
  }

  .mobile-tabs {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
    padding: 8px max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-left));
    border-top: 1px solid var(--line);
    background: rgba(246, 247, 242, 0.96);
    backdrop-filter: blur(16px);
  }

  .mobile-tabs .nav-item {
    min-height: 48px;
    padding: 6px;
    text-align: center;
    font-size: 12px;
  }

  .topbar {
    min-height: 64px;
    padding: 10px 14px;
  }

  .brand small,
  .status-pill {
    display: none;
  }

  .hero-copy h1,
  .view-header h1 {
    font-size: 34px;
  }

  .list-row {
    grid-template-columns: 1fr;
  }

  .draft-summary,
  .draft-item {
    grid-template-columns: 1fr;
  }

  .draft-total {
    text-align: left;
  }
}