:root {
  --bg: #f4efe7;
  --panel: rgba(255, 252, 247, 0.9);
  --panel-strong: #fffaf3;
  --ink: #1d2a2f;
  --muted: #617076;
  --line: rgba(29, 42, 47, 0.1);
  --accent: #cc5c2c;
  --accent-deep: #8f3915;
  --accent-soft: rgba(204, 92, 44, 0.12);
  --teal: #0f7a7a;
  --danger: #a5392a;
  --sidebar: linear-gradient(180deg, #162126 0%, #24323a 100%);
  --shadow: 0 24px 60px rgba(22, 33, 38, 0.12);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(204, 92, 44, 0.16), transparent 32%),
    radial-gradient(circle at bottom right, rgba(15, 122, 122, 0.15), transparent 36%),
    var(--bg);
}

.hidden {
  display: none !important;
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 360px 1fr;
}

.sidebar {
  padding: 24px;
  background: var(--sidebar);
  color: white;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand-block {
  padding: 8px 4px 12px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
}

.brand-block h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.05;
}

.lede {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.55;
}

.config-pill {
  margin-top: 16px;
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.86rem;
}

.viewer-chip {
  margin-top: 12px;
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 122, 122, 0.18);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.84rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.sidebar .panel {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
  backdrop-filter: blur(16px);
}

.panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel h2 {
  margin: 0;
  font-size: 1rem;
}

.form-panel,
.sessions-panel {
  padding: 18px;
}

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

.stack-form label {
  display: grid;
  gap: 8px;
}

.stack-form span {
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.76);
}

.workspace .stack-form span,
.request-form-field span {
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: 16px;
  padding: 12px 14px;
  resize: vertical;
}

.workspace input,
.workspace textarea,
.request-form textarea {
  border-color: var(--line);
  background: white;
  color: var(--ink);
}

.primary-button,
.ghost-button,
.option-pill {
  border-radius: 999px;
  padding: 12px 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease, background 140ms ease;
}

.primary-button:hover,
.ghost-button:hover,
.option-pill:hover,
.session-item:hover {
  transform: translateY(-1px);
}

.primary-button {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: white;
}

.ghost-button {
  background: transparent;
  color: inherit;
  border-color: rgba(255, 255, 255, 0.18);
}

.workspace .ghost-button {
  color: var(--ink);
  border-color: var(--line);
}

.small {
  padding: 8px 12px;
  font-size: 0.9rem;
}

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

.session-item {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
  color: white;
  padding: 14px;
  border-radius: 18px;
  text-align: left;
  display: grid;
  gap: 6px;
  cursor: pointer;
}

.session-item.active {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.14);
}

.session-title {
  font-weight: 600;
}

.session-meta {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.84rem;
}

.workspace {
  padding: 28px;
  display: grid;
  gap: 18px;
}

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

.workspace-header {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 24px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.workspace-header h2 {
  margin: 0;
  font-size: 1.7rem;
}

.workspace-path {
  margin: 8px 0 0;
  color: var(--muted);
}

.empty-state {
  color: var(--muted);
  justify-content: center;
}

.header-meta {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.86rem;
  text-transform: capitalize;
}

.status-idle,
.status-completed {
  background: rgba(15, 122, 122, 0.12);
  color: var(--teal);
}

.status-running {
  background: rgba(204, 92, 44, 0.12);
  color: var(--accent-deep);
}

.status-waiting_approval,
.status-waiting_input {
  background: rgba(204, 92, 44, 0.18);
  color: var(--accent-deep);
}

.status-failed {
  background: rgba(165, 57, 42, 0.16);
  color: var(--danger);
}

.status-note,
.stream-status {
  color: var(--muted);
  font-size: 0.86rem;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.78fr);
  gap: 18px;
}

.column-main,
.column-side {
  display: grid;
  gap: 18px;
}

.timeline-panel,
.requests-panel,
.composer-panel {
  padding: 20px;
}

.auth-gate {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(13, 19, 22, 0.28);
  backdrop-filter: blur(12px);
}

.auth-card {
  width: min(460px, 100%);
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 250, 243, 0.95);
  border: 1px solid rgba(29, 42, 47, 0.1);
  box-shadow: 0 28px 80px rgba(22, 33, 38, 0.24);
}

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

.auth-card h2 {
  margin: 0;
  font-size: 1.8rem;
}

.auth-copy {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.auth-form {
  margin-top: 18px;
}

.auth-form span {
  color: var(--muted);
}

.auth-hint,
.form-error {
  margin: 14px 0 0;
  font-size: 0.92rem;
  line-height: 1.5;
}

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

.form-error {
  color: var(--danger);
}

.app-shell.auth-locked .sidebar,
.app-shell.auth-locked .workspace {
  filter: blur(10px);
  pointer-events: none;
  user-select: none;
}

.timeline,
.request-list {
  display: grid;
  gap: 14px;
}

.timeline-item,
.request-card {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: white;
  padding: 16px;
}

.timeline-top,
.request-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.timeline-item h3,
.request-card h3 {
  margin: 0;
  font-size: 1rem;
}

.timeline-item time,
.request-kind,
.request-status,
.timeline-type {
  color: var(--muted);
  font-size: 0.82rem;
}

pre {
  margin: 12px 0 0;
  white-space: pre-wrap;
  font-family: "SFMono-Regular", "JetBrains Mono", monospace;
  font-size: 0.86rem;
  line-height: 1.5;
}

.request-actions,
.option-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.option-pill {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.request-form {
  margin-top: 14px;
  display: grid;
  gap: 14px;
}

.request-form-field {
  display: grid;
  gap: 8px;
}

.placeholder {
  color: var(--muted);
  padding: 10px 0;
}

.severity-warning {
  border-color: rgba(204, 92, 44, 0.18);
}

.severity-error {
  border-color: rgba(165, 57, 42, 0.22);
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

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