:root {
  color-scheme: light;

  /* Ikigai palette */
  --cream: #f7f3ea;
  --panel: #fffdf8;
  --border: #e4dcc8;
  --border-strong: #d6c9a6;

  --green-900: #16261e;
  --green-700: #1f3d30;
  --green-600: #2b5443;

  --gold: #b7924f;
  --gold-dark: #97753a;
  --gold-tint: #f1e6cc;

  --text: #22281f;
  --muted: #726c5c;

  --success: #2f6f4e;
  --success-tint: #e7f1ea;
  --warning: #9a6a1f;
  --warning-tint: #faf0dd;
  --error: #a13a2e;
  --error-tint: #fbeae6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Georgia", "Iowan Old Style", "Palatino Linotype", serif;
  background: var(--cream);
  color: var(--text);
}

h1, h2, h3 {
  font-family: "Georgia", "Iowan Old Style", "Palatino Linotype", serif;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0;
}

.eyebrow {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin: 0 0 6px;
}

.layout {
  display: flex;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */

.sidebar {
  width: 288px;
  flex-shrink: 0;
  background: var(--green-700);
  color: #f4efe2;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.brand .eyebrow {
  color: var(--gold);
  opacity: 0.9;
  margin: 0;
}

.brand-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.sidebar h1 {
  font-size: 20px;
  color: #fdfbf6;
}

.lang-switch {
  display: flex;
  border: 1px solid rgba(244, 239, 226, 0.3);
  border-radius: 20px;
  overflow: hidden;
  flex-shrink: 0;
}

.lang-switch button {
  background: transparent;
  border: none;
  color: rgba(244, 239, 226, 0.6);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 9px;
  cursor: pointer;
}

.lang-switch button.active {
  background: var(--gold);
  color: var(--green-900);
}

/* Light-background variant, for use on white/cream panels (e.g. tree view) */
.lang-switch-light {
  border-color: var(--border-strong);
}

.lang-switch-light button {
  color: var(--muted);
}

.lang-switch-light button.active {
  background: var(--gold);
  color: var(--green-900);
}

.tree-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.new-btn {
  background: var(--gold);
  color: var(--green-900);
  border: none;
  border-radius: 4px;
  padding: 11px 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.15s ease;
}

.new-btn:hover {
  background: #c8a568;
}

.doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  flex: 1;
  border-top: 1px solid rgba(244, 239, 226, 0.15);
  padding-top: 12px;
}

.doc-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 9px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  color: #e4dfd0;
}

.doc-list li:hover {
  background: rgba(244, 239, 226, 0.08);
}

.doc-list li.active {
  background: rgba(183, 146, 79, 0.22);
  color: var(--gold);
  font-weight: 600;
}

.doc-list .doc-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.doc-list .delete-btn {
  border: none;
  background: transparent;
  color: rgba(244, 239, 226, 0.55);
  cursor: pointer;
  font-size: 13px;
}

.sidebar-footer {
  border-top: 1px solid rgba(244, 239, 226, 0.15);
  padding-top: 14px;
}

.settings-nav-btn {
  width: 100%;
  background: transparent;
  color: #e4dfd0;
  border: 1px solid rgba(244, 239, 226, 0.25);
  border-radius: 4px;
  padding: 10px 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.settings-nav-btn:hover {
  background: rgba(244, 239, 226, 0.08);
  border-color: var(--gold);
}

.gear-icon {
  margin-right: 4px;
}

/* ---------- Content ---------- */

.content {
  flex: 1;
  padding: 48px 56px;
  max-width: 860px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 40px 44px;
  box-shadow: 0 1px 2px rgba(22, 38, 30, 0.04);
}

.panel h2 {
  font-size: 26px;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.lede {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  max-width: 60ch;
  margin: 0 0 24px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  color: var(--muted);
}

.field span {
  font-weight: 600;
  color: var(--text);
}

input[type="file"],
select {
  padding: 10px;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  font-size: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #fff;
  color: var(--text);
}

.primary-btn {
  display: inline-block;
  background: var(--green-700);
  color: #fdfbf6;
  border: none;
  border-radius: 3px;
  padding: 12px 22px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease;
}

.primary-btn:hover {
  background: var(--green-600);
}

.primary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.status {
  margin-top: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  color: var(--muted);
}

.status.error {
  color: var(--error);
}

/* ---------- Banners ---------- */

.banner {
  border-radius: 2px;
  padding: 16px 18px;
  margin-bottom: 22px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.banner-warning {
  background: var(--warning-tint);
  border: 1px solid var(--gold);
  color: var(--warning);
}

.banner-success {
  background: var(--success-tint);
  border: 1px solid var(--success);
  color: var(--success);
}

.banner-error {
  background: var(--error-tint);
  border: 1px solid var(--error);
  color: var(--error);
}

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  padding: 8px 14px;
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
}

.ghost-btn.gold {
  border-color: var(--gold);
  color: var(--gold-dark);
  font-weight: 600;
}

.ghost-btn:hover {
  border-color: var(--green-700);
}

/* ---------- Tree view ---------- */

.tree-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  gap: 20px;
}

.doc-meta {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 0;
}

.tree-root {
  margin-top: 24px;
}

.tree-root details {
  border-left: 2px solid var(--gold-tint);
  margin: 2px 0 2px 4px;
  padding-left: 14px;
}

.tree-root summary {
  cursor: pointer;
  padding: 8px 0;
  font-size: 15px;
  list-style: none;
}

.tree-root summary::-webkit-details-marker {
  display: none;
}

.tree-root summary::before {
  content: "▸";
  color: var(--gold-dark);
  margin-right: 8px;
  font-size: 12px;
}

.tree-root details[open] > summary::before {
  content: "▾";
}

.tree-root summary .node-title {
  font-weight: 600;
}

.tree-root .node-summary {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 8px;
  line-height: 1.55;
}

.tree-root .leaf {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  padding: 8px 0 8px 22px;
  font-size: 14px;
  line-height: 1.55;
}

/* Nested-paragraph layer — one self-contained paragraph at a time. Clicking
 * "view more detail" REPLACES this block with the next, longer paragraph. */
.layer-box {
  background: var(--gold-tint);
  border: 1px solid var(--gold);
  border-radius: 3px;
  padding: 20px 22px;
}

.layer-text {
  margin: 0 0 16px;
}

.layer-line {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  margin: 0 0 10px;
}

.layer-line:last-child {
  margin-bottom: 0;
}

.layer-bullets {
  margin: 0 0 10px;
  padding-left: 20px;
}

.layer-bullets:last-child {
  margin-bottom: 0;
}

.layer-bullets li {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 8px;
}

.layer-bullets li:last-child {
  margin-bottom: 0;
}

.layer-text strong {
  color: var(--green-700);
  font-weight: 700;
}

.layer-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.layer-done-msg {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12.5px;
  color: var(--gold-dark);
  font-style: italic;
  margin: 0;
}

/* Tag badges — flag decisions/risks/actions/data at a glance while scanning
 * the tree, without having to read every summary line. */
.node-tag {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 8px;
  vertical-align: middle;
}

.node-tag-decision {
  background: var(--success-tint);
  color: var(--success);
}

.node-tag-risk {
  background: var(--error-tint);
  color: var(--error);
}

.node-tag-action {
  background: var(--gold-tint);
  color: var(--gold-dark);
}

.node-tag-data {
  background: #eef2ff;
  color: #4338ca;
}

/* ---------- Settings: provider cards ---------- */

.provider-cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 24px;
}

.provider-card {
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 22px 24px;
  background: #fff;
}

.provider-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.provider-card-head h3 {
  font-size: 17px;
}

.provider-card-desc {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 13.5px;
  margin: 8px 0 16px;
}

.provider-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

.badge-green {
  background: var(--success-tint);
  color: var(--success);
}

.badge-amber {
  background: var(--warning-tint);
  color: var(--warning);
}

.badge-gray {
  background: #efece2;
  color: var(--muted);
}

/* ---------- Authorize view ---------- */

.auth-url-box {
  background: var(--gold-tint);
  border: 1px solid var(--gold);
  border-radius: 3px;
  padding: 18px 20px;
  margin-bottom: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13.5px;
}

.auth-url-box p {
  margin: 0 0 10px;
  color: var(--gold-dark);
}

.auth-log {
  margin-top: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  color: var(--muted);
}

.auth-log summary {
  cursor: pointer;
}

.auth-log pre {
  background: var(--green-900);
  color: #d7f0e3;
  padding: 14px 16px;
  border-radius: 3px;
  font-size: 12px;
  overflow-x: auto;
  margin-top: 10px;
  max-height: 220px;
  overflow-y: auto;
}

/* ---------- Upload form: active LLM + model ---------- */

.active-provider-box {
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 16px 18px;
  margin-bottom: 20px;
  background: #fbf9f3;
}

.model-hint {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 12px;
}

.model-hint a {
  color: var(--gold-dark);
  font-weight: 600;
  text-decoration: none;
}

.model-hint a:hover {
  text-decoration: underline;
}

.active-provider-box .field {
  margin-bottom: 0;
}

/* ---------- Settings: usage + active-provider row ---------- */

.usage-summary {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 4px;
}

.usage-line {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13.5px;
  margin: 0 0 4px;
}

.usage-note {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 16px;
  line-height: 1.5;
}

.provider-card-active-row {
  margin-bottom: 14px;
}