:root {
  color-scheme: dark;
  --bg: #08111f;
  --bg-soft: #0f1b30;
  --card: rgba(15, 27, 48, 0.78);
  --card-strong: rgba(12, 22, 40, 0.92);
  --line: rgba(157, 181, 224, 0.18);
  --text: #edf3ff;
  --muted: #9fb3d9;
  --primary: #5da8ff;
  --primary-strong: #2f8cff;
  --danger: #ff6b77;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(93, 168, 255, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(120, 114, 255, 0.18), transparent 25%),
    linear-gradient(180deg, #06101d 0%, #091423 100%);
  color: var(--text);
}

body {
  padding: 24px;
}

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

button {
  border: 0;
  border-radius: 999px;
  background: var(--primary);
  color: #08111f;
  cursor: pointer;
  font-weight: 700;
  padding: 0.8rem 1.15rem;
  transition: transform 0.14s ease, opacity 0.14s ease, background 0.14s ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--primary-strong);
}

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

button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

button.secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
}

button.danger {
  background: rgba(255, 107, 119, 0.15);
  color: #ffc9cd;
}

button.danger:hover:not(:disabled) {
  background: rgba(255, 107, 119, 0.22);
}

.full-width {
  width: 100%;
}

.page-shell {
  max-width: 1480px;
  margin: 0 auto;
  display: grid;
  gap: 22px;
}

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

.hero-card {
  border-radius: var(--radius-xl);
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.hero-copy {
  max-width: 850px;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4.8vw, 3.2rem);
  line-height: 1.05;
}

.eyebrow {
  color: #9ec1ff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 800;
}

.subtitle {
  color: var(--muted);
  margin: 0.85rem 0 0;
  font-size: 1rem;
  line-height: 1.6;
}

.hero-actions {
  min-width: 220px;
  display: grid;
  gap: 12px;
}

.hero-actions label,
.project-form span,
.small-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

select,
input,
textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(157, 181, 224, 0.16);
  background: rgba(8, 17, 31, 0.75);
  color: var(--text);
  padding: 0.95rem 1rem;
}

textarea {
  resize: vertical;
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.9fr);
  gap: 22px;
}

.main-column,
.sidebar {
  display: grid;
  gap: 22px;
}

.panel {
  border-radius: var(--radius-lg);
  padding: 22px;
}

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

.panel-header h2,
.sidebar-header h2,
.panel h2 {
  margin: 0;
  font-size: 1.1rem;
}

.panel-header p,
.sidebar-panel p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.project-form {
  display: grid;
  gap: 16px;
}

.project-form label {
  display: grid;
  gap: 10px;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button-row.compact button {
  padding-inline: 0.95rem;
}

.status-box {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(157, 181, 224, 0.18);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  margin-bottom: 16px;
  white-space: pre-wrap;
}

.status-box.error {
  border-color: rgba(255, 107, 119, 0.25);
  background: rgba(255, 107, 119, 0.1);
  color: #ffd3d6;
}

.hidden {
  display: none;
}

.messages {
  min-height: 320px;
  display: grid;
  gap: 16px;
}

.empty-card,
.list-card,
.message-card {
  border-radius: 18px;
  border: 1px solid rgba(157, 181, 224, 0.12);
  background: rgba(6, 12, 21, 0.45);
}

.empty-card {
  padding: 18px;
  color: var(--muted);
}

.message-card {
  padding: 16px;
}

.message-card.user {
  border-color: rgba(93, 168, 255, 0.25);
  background: rgba(18, 38, 67, 0.55);
}

.message-card.assistant {
  border-color: rgba(157, 181, 224, 0.16);
}

.message-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.message-card pre,
.memory-summary,
.list-card pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: 0.95rem/1.65 "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.composer {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.composer textarea {
  min-height: 160px;
}

.composer-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.composer-footer span {
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.9rem;
}

.memory-summary {
  min-height: 160px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(157, 181, 224, 0.12);
  background: rgba(7, 14, 25, 0.55);
}

.stack-list {
  display: grid;
  gap: 12px;
}

.list-card {
  padding: 14px;
  display: grid;
  gap: 8px;
}

.list-card strong {
  font-size: 0.95rem;
}

.list-card span {
  color: var(--muted);
  font-size: 0.8rem;
}

.list-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.badge {
  min-width: 28px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-weight: 700;
  font-size: 0.84rem;
}

@media (max-width: 1120px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  body {
    padding: 14px;
  }

  .hero-card,
  .panel {
    padding: 18px;
  }

  .hero-card,
  .panel-header,
  .composer-footer {
    flex-direction: column;
  }

  .hero-actions {
    width: 100%;
    min-width: 0;
  }
}

.wrap {
  flex-wrap: wrap;
}

.search-block {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  margin-bottom: 14px;
}

.file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 110px;
  text-align: center;
}

.message-card pre {
  white-space: pre-wrap;
  word-break: break-word;
}

.list-card p,
.list-card pre {
  white-space: pre-wrap;
  word-break: break-word;
}


body.locked {
  overflow: hidden;
}

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(3, 8, 16, 0.78);
  backdrop-filter: blur(14px);
}

.auth-gate.visible {
  display: flex;
}

.auth-card {
  width: min(100%, 440px);
  border-radius: var(--radius-xl);
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--card-strong);
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
}

.auth-card h2 {
  margin: 0;
  font-size: 1.6rem;
}

.auth-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.auth-form {
  display: grid;
  gap: 14px;
}

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

.micro-copy {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
}

.request-meta {
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  font-size: 0.82rem;
  color: var(--muted);
  background: rgba(255,255,255,0.02);
}

.message-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.mini-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,0.03);
}

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