:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-soft: #fafafa;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --primary: #111827;
  --primary-hover: #243044;
  --danger: #b42318;
  --success: #067647;
  --warning: #b54708;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }
button, input, textarea { font: inherit; }
button { border: 0; border-radius: 12px; padding: 10px 16px; background: var(--primary); color: white; cursor: pointer; transition: 0.16s ease; }
button:hover { background: var(--primary-hover); transform: translateY(-1px); }
button.secondary { background: #fff; color: var(--text); border: 1px solid var(--line-strong); }
button.secondary:hover { background: #f9fafb; }
button.danger { background: #fff; color: var(--danger); border: 1px solid #f2b8b5; }
button.icon-button { width: 36px; height: 36px; padding: 0; border-radius: 999px; background: #f3f4f6; color: var(--text); }
input, textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 12px; padding: 11px 12px; background: #fff; color: var(--text); outline: none; }
input:focus, textarea:focus { border-color: #4b5563; box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.08); }
textarea { resize: vertical; line-height: 1.6; }
label { display: grid; gap: 8px; color: #374151; font-size: 14px; font-weight: 600; }
details { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; background: var(--panel-soft); }
details + details { margin-top: 12px; }
summary { cursor: pointer; font-weight: 700; }

.hidden { display: none !important; }
.eyebrow { margin: 0 0 6px; color: var(--muted); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; }
.muted { color: var(--muted); }
.badge { display: inline-flex; align-items: center; min-height: 30px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: #374151; font-size: 13px; font-weight: 700; }

.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: min(460px, 100%); padding: 34px; background: var(--panel); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); }
.auth-card h1, .topbar h1, .section-head h2 { margin: 0; }
.form-stack { display: grid; gap: 16px; margin-top: 28px; }
.form-error { margin: 0; color: var(--danger); font-weight: 700; }
.button-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.button-row.compact { justify-content: flex-end; }
.button-row.end { justify-content: flex-end; }

.app-shell { width: min(1240px, calc(100% - 40px)); margin: 0 auto; padding: 24px 0 56px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 0 24px; }
.topbar-actions { display: flex; align-items: center; gap: 12px; position: relative; }
.avatar-button { width: 42px; height: 42px; padding: 0; border-radius: 999px; font-weight: 800; }
.profile-menu { position: relative; }
.profile-dropdown { position: absolute; right: 0; top: 52px; z-index: 20; min-width: 240px; padding: 10px; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.profile-summary { display: grid; gap: 3px; padding: 10px; border-bottom: 1px solid var(--line); }
.profile-summary span { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.menu-item { width: 100%; margin-top: 8px; background: #fff; color: var(--danger); text-align: left; }

.dashboard-top-grid { display: grid; grid-template-columns: minmax(460px, 0.95fr) minmax(0, 1.05fr); gap: 16px; align-items: stretch; margin-bottom: 16px; }
.metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.metric-card, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
.metric-card { padding: 18px 20px; }
.metric-card span { display: block; color: var(--muted); font-size: 13px; font-weight: 700; }
.metric-card strong { display: block; margin: 8px 0 5px; font-size: 26px; letter-spacing: -0.03em; }
.metric-card p { margin: 0; color: var(--muted); font-size: 13px; }
.dashboard-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 16px; align-items: start; }
.panel { padding: 22px; }
.connection-panel { min-height: 100%; display: flex; flex-direction: column; }
.connection-panel .status-row { flex: 1; }
.persona-panel, .secondary-panel { grid-column: span 2; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.status-row { display: flex; gap: 14px; align-items: center; padding: 16px; background: var(--panel-soft); border: 1px solid var(--line); border-radius: 16px; }
.status-row p { margin: 4px 0 0; }
.status-dot { width: 12px; height: 12px; border-radius: 999px; background: var(--muted); box-shadow: 0 0 0 5px rgba(107, 114, 128, 0.12); }
.status-dot.enabled { background: var(--success); box-shadow: 0 0 0 5px rgba(6, 118, 71, 0.12); }
.status-dot.warning { background: var(--warning); box-shadow: 0 0 0 5px rgba(181, 71, 8, 0.12); }

.persona-workspace { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; }
.preset-list { display: grid; gap: 10px; align-content: start; }
.preset-item { width: 100%; padding: 14px; text-align: left; background: #fff; color: var(--text); border: 1px solid var(--line); border-radius: 16px; }
.preset-item:hover, .preset-item.selected { background: #f9fafb; border-color: #9ca3af; transform: none; }
.preset-item strong { display: block; margin-bottom: 5px; }
.preset-item span { display: block; color: var(--muted); font-size: 12px; }
.preset-editor { display: grid; gap: 14px; }
.editor-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid button { align-self: end; }
.inline-form { margin: 14px 0; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.list-stack { display: grid; gap: 8px; margin-top: 12px; }
.list-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }

.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 24px; background: rgba(17, 24, 39, 0.42); }
.modal-card { width: min(520px, 100%); padding: 22px; background: #fff; border-radius: 24px; box-shadow: 0 24px 60px rgba(15, 23, 42, 0.24); }
.qrcode-content { min-height: 260px; display: grid; place-items: center; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel-soft); color: var(--muted); text-align: center; }
.qrcode-content img { width: min(300px, 100%); padding: 12px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.qr-meta { display: grid; gap: 4px; margin-top: 12px; color: var(--muted); font-size: 13px; }
.qr-notice {
  display: grid;
  gap: 8px;
  max-width: 360px;
  color: var(--text);
}
.qr-notice strong {
  font-size: 16px;
}
.qr-notice p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 80; max-width: 360px; padding: 13px 16px; background: var(--primary); color: #fff; border-radius: 14px; box-shadow: var(--shadow); }

@media (max-width: 900px) {
  .app-shell { width: min(100% - 24px, 760px); }
  .dashboard-top-grid, .metric-grid, .dashboard-grid, .persona-workspace, .form-grid, .inline-form { grid-template-columns: 1fr; }
  .persona-panel, .secondary-panel { grid-column: auto; }
  .topbar { align-items: flex-start; }
  .modal { align-items: end; padding: 0; }
  .modal-card { width: 100%; border-radius: 24px 24px 0 0; }
}

.app-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
  width: min(1440px, 100%);
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 16px;
  border-right: 1px solid var(--line);
  background: #fff;
}

.sidebar-brand {
  padding: 0 10px 22px;
  font-weight: 850;
  letter-spacing: -0.03em;
  font-size: 22px;
}

.side-nav {
  display: grid;
  gap: 8px;
}

.side-nav-item {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
}

.side-nav-item:hover,
.side-nav-item.active {
  background: #f3f4f6;
  border-color: var(--line);
  color: var(--text);
  transform: none;
}

.plan-link {
  cursor: pointer;
}

.plan-link:hover {
  background: #f3f4f6;
  transform: none;
}

.view-panel.hidden {
  display: none !important;
}

.subscription-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.subscription-summary > div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel-soft);
}

.subscription-summary strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
}

.terminal-qr {
  margin: 0;
  max-width: 100%;
  overflow: auto;
  text-align: left;
  white-space: pre;
  font-size: 10px;
  line-height: 1.05;
  color: var(--text);
}

@media (max-width: 900px) {
  .app-layout {
    display: block;
  }
  .sidebar {
    position: static;
    height: auto;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .sidebar-brand {
    padding: 0;
  }
  .side-nav {
    grid-auto-flow: column;
  }
  .subscription-summary {
    grid-template-columns: 1fr;
  }
}

.app-layout .app-shell {
  width: min(1180px, calc(100% - 40px));
}

.documents-panel {
  grid-column: auto;
}

.documents-workspace {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 16px;
}

.document-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.document-item {
  width: 100%;
  padding: 14px;
  text-align: left;
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.document-item:hover,
.document-item.selected {
  background: #f9fafb;
  border-color: #9ca3af;
  transform: none;
}

.document-item strong,
.document-item span {
  display: block;
}

.document-item span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.document-editor {
  display: grid;
  gap: 14px;
}

@media (max-width: 900px) {
  .documents-workspace {
    grid-template-columns: 1fr;
  }
}