:root {
  color-scheme: dark;
  --bg: #0b0f17;
  --surface: #111827;
  --surface-2: #182235;
  --surface-3: #23304a;
  --line: #29364f;
  --ink: #f4f7fb;
  --muted: #9cacbf;
  --accent: #63a4ff;
  --accent-soft: rgba(99, 164, 255, 0.15);
  --green: #6dd3a6;
  --amber: #ffcc66;
  --red: #ff8a80;
  --violet: #b38cff;
  --shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: linear-gradient(180deg, #09111f 0%, #0c1320 100%);
  color: var(--ink);
}

body {
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(9, 15, 23, 0.88);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 780;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(99, 164, 255, 0.95), rgba(179, 140, 255, 0.95));
  color: #09111f;
}

.top-actions {
  display: flex;
  gap: 10px;
}

.nav-link,
.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink);
  cursor: pointer;
}

.button.primary {
  background: var(--accent);
  color: #07101f;
  border-color: transparent;
  font-weight: 760;
}

.button.danger {
  color: var(--red);
}

.button.small {
  min-height: 34px;
  padding: 0 12px;
  font-size: 0.92rem;
}

.main {
  width: min(100%, 1680px);
  margin: 0 auto;
  padding: 22px;
}

.auth-layout {
  min-height: calc(100vh - 110px);
  display: grid;
  place-items: center;
}

.auth-card,
.panel {
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  background: rgba(17, 24, 39, 0.94);
  box-shadow: var(--shadow);
}

.auth-card {
  width: min(100%, 480px);
  padding: 28px;
  display: grid;
  gap: 16px;
}

.app-layout {
  display: grid;
  gap: 18px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.toolbar h1 {
  margin: 0 0 6px;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
}

.toolbar p {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
}

.toolbar-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) 320px;
  gap: 18px;
}

.sidebar,
.chat-panel,
.debug-panel,
.admin-panel {
  padding: 18px;
  display: grid;
  gap: 16px;
}

.panel-heading {
  display: grid;
  gap: 4px;
}

.panel-heading h2,
.panel-heading h3 {
  margin: 0;
}

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

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface-3);
  color: var(--ink);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.notice {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.notice.good {
  color: var(--green);
  border-color: rgba(109, 211, 166, 0.3);
}

.notice.bad {
  color: var(--red);
  border-color: rgba(255, 138, 128, 0.3);
}

.notice.warn {
  color: var(--amber);
  border-color: rgba(255, 204, 102, 0.3);
}

.list {
  display: grid;
  gap: 10px;
}

.conversation-item,
.model-card,
.metric-card,
.debug-card,
.task-card,
.message,
.log-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.info-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(99, 164, 255, 0.22);
  border-radius: 8px;
  background: rgba(99, 164, 255, 0.08);
}

.conversation-item.active,
.model-card.selected {
  border-color: rgba(99, 164, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(99, 164, 255, 0.2) inset;
}

.meta-row,
.actions,
.message-meta,
.split-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.capability-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-3);
  font-size: 0.82rem;
  font-weight: 760;
}

.badge.good {
  color: var(--green);
}

.badge.warn {
  color: var(--amber);
}

.badge.bad {
  color: var(--red);
}

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

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

.stat {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
}

.meter {
  display: grid;
  gap: 6px;
}

.meter-bar {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-3);
}

.meter-bar > span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--violet));
}

.chat-thread {
  display: grid;
  gap: 12px;
  min-height: 500px;
  max-height: 70vh;
  overflow: auto;
  padding-right: 4px;
}

.message.user {
  border-color: rgba(99, 164, 255, 0.35);
}

.message.assistant {
  border-color: rgba(179, 140, 255, 0.25);
}

.message-content {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.image-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.image-strip img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.composer {
  display: grid;
  gap: 12px;
}

.attachment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.attachment-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-3);
}

.code-block {
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #08101d;
  color: #dfe8f5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88rem;
}

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

@media (max-width: 1200px) {
  .workspace {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .topbar,
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .main {
    padding: 16px;
  }

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