:root {
  --ws-bg: #f5f7fb;
  --ws-bg-2: #eef2fb;
  --ws-panel: rgba(255, 255, 255, 0.92);
  --ws-panel-strong: #ffffff;
  --ws-border: rgba(66, 85, 255, 0.12);
  --ws-border-strong: rgba(66, 85, 255, 0.22);
  --ws-text: #1f2a44;
  --ws-text-soft: #66728f;
  --ws-text-faint: #8b94ad;
  --ws-accent: #4255ff;
  --ws-accent-2: #1a4db5;
  --ws-shadow: 0 22px 60px rgba(29, 46, 111, 0.08);
}

body.workspace-route {
  background:
    radial-gradient(circle at top left, rgba(66, 85, 255, 0.1), transparent 24%),
    radial-gradient(circle at bottom right, rgba(26, 77, 181, 0.08), transparent 22%),
    linear-gradient(180deg, var(--ws-bg), var(--ws-bg-2));
  color: var(--ws-text);
}

body.workspace-route > *:not(#workspaceShellApp) {
  display: none !important;
}

#workspaceShellApp {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 288px minmax(0, 1fr);
}

.ws-sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 14px;
  background: rgba(255, 255, 255, 0.78);
  border-right: 1px solid var(--ws-border);
  backdrop-filter: blur(18px);
}

.ws-sidebar-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ws-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ws-brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--ws-accent-2), var(--ws-accent));
  color: #fff;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 24px rgba(66, 85, 255, 0.22);
}

.ws-brand-copy h1 {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 0.95rem;
}

.ws-brand-copy p {
  margin: 3px 0 0;
  font-size: 0.76rem;
  color: var(--ws-text-soft);
}

.ws-btn {
  border: 0;
  border-radius: 14px;
  padding: 11px 14px;
  font: inherit;
  cursor: pointer;
  transition: background 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease, opacity 0.16s ease;
}

.ws-btn:hover {
  transform: translateY(-1px);
}

.ws-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.ws-btn-primary {
  background: linear-gradient(135deg, var(--ws-accent-2), var(--ws-accent));
  color: #fff;
  box-shadow: 0 12px 26px rgba(66, 85, 255, 0.22);
}

.ws-btn-ghost {
  background: #fff;
  color: var(--ws-text);
  border: 1px solid var(--ws-border);
}

.ws-new-btn {
  width: 100%;
  text-align: center;
  font-weight: 700;
}

.ws-sidebar-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 4px 0;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ws-text-faint);
}

.ws-conversation-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.ws-conversation-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.ws-conversation-item {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.ws-conversation-item:hover {
  background: rgba(66, 85, 255, 0.05);
}

.ws-conversation-row.active .ws-conversation-item {
  background: rgba(66, 85, 255, 0.08);
  border-color: var(--ws-border-strong);
  box-shadow: inset 3px 0 0 var(--ws-accent);
}

.ws-conversation-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.ws-conversation-title {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ws-text);
}

.ws-pin-mark {
  flex: 0 0 auto;
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ws-accent);
}

.ws-conversation-preview {
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.74rem;
  line-height: 1.35;
  color: var(--ws-text-soft);
}

.ws-conversation-meta {
  margin-top: 6px;
  font-size: 0.66rem;
  color: var(--ws-text-faint);
}

.ws-conversation-menu-wrap {
  position: relative;
}

.ws-icon-btn {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ws-text-faint);
  cursor: pointer;
  font-weight: 700;
  line-height: 1;
}

.ws-icon-btn:hover,
.ws-icon-btn.active {
  background: rgba(66, 85, 255, 0.08);
  color: var(--ws-text);
}

.ws-row-menu {
  position: absolute;
  top: 34px;
  right: 0;
  z-index: 20;
  min-width: 132px;
  padding: 6px;
  border-radius: 12px;
  background: var(--ws-panel-strong);
  border: 1px solid var(--ws-border);
  box-shadow: var(--ws-shadow);
  display: none;
}

.ws-row-menu.open {
  display: block;
}

.ws-row-menu button {
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  text-align: left;
  font: inherit;
  font-size: 0.76rem;
  color: var(--ws-text);
  cursor: pointer;
}

.ws-row-menu button:hover {
  background: rgba(66, 85, 255, 0.06);
}

.ws-row-menu button.danger {
  color: #d14343;
}

.ws-main {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.ws-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 30px 10px;
}

.ws-title h2 {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.18rem;
}

.ws-title p {
  margin: 6px 0 0;
  font-size: 0.8rem;
  color: var(--ws-text-soft);
}

.ws-status-pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(66, 85, 255, 0.08);
  border: 1px solid var(--ws-border);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--ws-accent-2);
}

.ws-chat-scroll {
  overflow: auto;
  padding: 0 30px 20px;
}

.ws-chat-stack {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ws-hero,
.ws-composer-card,
.ws-card-block,
.ws-loading {
  background: var(--ws-panel);
  border: 1px solid var(--ws-border);
  box-shadow: var(--ws-shadow);
  backdrop-filter: blur(18px);
}

.ws-hero {
  padding: 18px 20px;
  border-radius: 22px;
}

.ws-hero h3 {
  margin: 0 0 6px;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.08rem;
}

.ws-hero p {
  margin: 0;
  max-width: 560px;
  color: var(--ws-text-soft);
  line-height: 1.45;
}

.ws-message {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.ws-avatar {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 0.73rem;
  font-weight: 800;
}

.ws-avatar.user {
  background: linear-gradient(135deg, var(--ws-accent-2), var(--ws-accent));
  color: #fff;
}

.ws-avatar.assistant {
  background: #fff;
  color: var(--ws-accent);
  border: 1px solid var(--ws-border);
}

.ws-bubble {
  max-width: 780px;
  padding: 15px 16px;
  border-radius: 20px;
  background: var(--ws-panel-strong);
  border: 1px solid var(--ws-border);
}

.ws-bubble.user {
  background: linear-gradient(135deg, var(--ws-accent-2), #2f62d1);
  color: #fff;
  border: 0;
}

.ws-bubble-meta {
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--ws-text-faint);
}

.ws-bubble.user .ws-bubble-meta {
  color: rgba(255, 255, 255, 0.76);
}

.ws-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.ws-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  background: rgba(66, 85, 255, 0.08);
  border: 1px solid var(--ws-border);
  color: var(--ws-accent-2);
}

.ws-composer {
  padding: 14px 30px 30px;
}

.ws-composer-card {
  max-width: 860px;
  margin: 0 auto;
  border-radius: 24px;
  padding: 16px;
}

.ws-composer-top {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.ws-select,
.ws-title-input,
.ws-composer textarea {
  width: 100%;
  border: 1px solid var(--ws-border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ws-text);
  font: inherit;
}

.ws-select,
.ws-title-input {
  padding: 11px 12px;
}

.ws-composer textarea {
  min-height: 116px;
  resize: vertical;
  padding: 14px;
  line-height: 1.5;
}

.ws-composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
}

.ws-card-block {
  padding: 18px;
  border-radius: 20px;
}

.ws-card-block h3,
.ws-card-block h4 {
  margin: 0 0 10px;
  font-size: 0.96rem;
}

.ws-card-block p,
.ws-card-block li,
.ws-empty-note,
.ws-muted {
  color: var(--ws-text-soft);
  line-height: 1.5;
}

.ws-loading {
  padding: 14px 16px;
  border-radius: 18px;
  color: var(--ws-text-soft);
}

.ws-error-note {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(209, 67, 67, 0.08);
  border: 1px solid rgba(209, 67, 67, 0.16);
  color: #b03232;
  font-size: 0.78rem;
}

.ws-hidden-input {
  display: none;
}

@media (max-width: 980px) {
  #workspaceShellApp {
    grid-template-columns: 248px minmax(0, 1fr);
  }
}

@media (max-width: 860px) {
  #workspaceShellApp {
    grid-template-columns: 1fr;
  }

  .ws-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--ws-border);
    max-height: 42vh;
  }

  .ws-topbar,
  .ws-chat-scroll,
  .ws-composer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .ws-composer-top,
  .ws-composer-actions {
    flex-direction: column;
    align-items: stretch;
  }
}