/* Wren AI app — UI kit styles */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--font-family);
  font-size: 14px;
  color: var(--gray-10);
  background: var(--gray-2);
}
button { font-family: inherit; }

.wren-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ── Header ─────────────────────────────────────────── */
.wren-header {
  height: 48px;
  background: var(--gray-10);
  color: var(--gray-1);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  flex: 0 0 48px;
}
.wren-header-left, .wren-header-right { display: flex; align-items: center; gap: 16px; }
.wren-header-left { flex: 1; }
.wren-header-center { flex: 0 0 auto; }
.wren-header-right { flex: 1; justify-content: flex-end; }

.wren-logo { display: inline-flex; align-items: center; gap: 8px; color: var(--gray-1); text-decoration: none; font-weight: 600; font-size: 14px; }
.wren-logo img { height: 22px; }

.wren-nav { display: flex; gap: 4px; }
.wren-nav-pill {
  border: none; background: transparent; color: var(--gray-1);
  height: 26px; padding: 0 10px; border-radius: 999px;
  font-size: 13px; cursor: pointer; transition: background .15s;
}
.wren-nav-pill:hover { background: rgba(255,255,255,.05); }
.wren-nav-pill.is-active { background: rgba(255,255,255,.20); font-weight: 700; }

.wren-breadcrumb {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.05); padding: 4px 10px; border-radius: 4px;
  font-size: 13px;
}
.wren-bc-org { color: var(--gray-6); }
.wren-bc-sep { color: var(--gray-7); }
.wren-bc-proj { color: var(--gray-1); font-weight: 500; }
.wren-bc-caret { color: var(--gray-6); font-size: 11px; margin-left: 2px; }

.wren-sync { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--gray-5); }
.wren-sync-dot { width: 7px; height: 7px; border-radius: 999px; background: var(--green-6); }

.wren-credits {
  background: linear-gradient(90deg,#0e1726,#262b39);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--gray-1); font-size: 12px;
  padding: 4px 10px; border-radius: 999px;
}

.wren-avatar {
  width: 28px; height: 28px; border-radius: 999px;
  background: var(--geekblue-6); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600;
}

/* ── Body layout ────────────────────────────────────── */
.wren-body { flex: 1; display: flex; min-height: 0; }
.wren-main { flex: 1; position: relative; overflow: hidden; display: flex; flex-direction: column; }

/* ── Sidebar ────────────────────────────────────────── */
.wren-sidebar {
  width: 280px; background: var(--gray-1);
  border-right: 1px solid var(--gray-4);
  transition: width .3s ease-in-out;
  display: flex; flex-direction: column;
  padding: 12px 8px;
  overflow-y: auto;
}
.wren-sidebar.is-collapsed { width: 63px; padding: 12px 6px; }

.wren-sb-top { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; padding: 0 4px; }
.wren-sb-folder {
  flex: 1; display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 8px; border-radius: 4px; color: var(--gray-9);
  font-size: 13px; cursor: pointer;
}
.wren-sb-folder:hover { background: var(--gray-3); }
.wren-sb-folder-label { flex: 1; font-weight: 500; }
.wren-sb-folder-caret { color: var(--gray-7); font-size: 11px; }

.wren-sb-collapse {
  width: 24px; height: 24px; border: none; background: transparent;
  color: var(--gray-7); cursor: pointer; border-radius: 4px;
  display: inline-flex; align-items: center; justify-content: center;
}
.wren-sb-collapse:hover { background: var(--gray-3); color: var(--gray-9); }

.wren-sb-section { margin-bottom: 6px; }
.wren-sb-section-head {
  width: 100%; display: flex; align-items: center; gap: 6px;
  border: none; background: transparent; cursor: pointer;
  padding: 4px 6px; border-radius: 4px;
  color: var(--gray-7); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em;
}
.wren-sb-section-head:hover { color: var(--gray-9); }
.wren-sb-caret { font-size: 9px; transition: transform .15s; display: inline-block;}
.wren-sb-caret.open { transform: rotate(90deg); }
.wren-sb-section-title { flex: 1; text-align: left; }
.wren-sb-section-count { color: var(--gray-6); font-weight: 500; }
.wren-sb-section-body { padding: 2px 0 6px; }

.wren-sb-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px 6px 22px; border-radius: 4px;
  color: var(--gray-9); text-decoration: none; font-size: 13px;
  cursor: pointer;
}
.wren-sb-item:hover { background: var(--gray-3); }
.wren-sb-item.is-active { background: var(--geekblue-1); color: var(--geekblue-7); font-weight: 500; }
.wren-sb-item-icon { color: var(--gray-7); display: inline-flex; }
.wren-sb-item.is-active .wren-sb-item-icon { color: var(--geekblue-6); }
.wren-sb-item-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.wren-sb-newfolder {
  margin: 8px 4px 0; padding: 6px 10px; background: transparent;
  border: 1px dashed var(--gray-5); border-radius: 4px; color: var(--gray-7);
  font-size: 12px; cursor: pointer; text-align: left;
}
.wren-sb-newfolder:hover { border-color: var(--geekblue-5); color: var(--geekblue-6); }

.wren-sb-collapsed-icons { display: flex; flex-direction: column; gap: 4px; align-items: center; }
.wren-sb-collapsed-icons button { width: 36px; height: 32px; border: none; background: transparent; color: var(--gray-7); border-radius: 4px; cursor: pointer; }
.wren-sb-collapsed-icons button:hover { background: var(--gray-3); color: var(--gray-9); }

/* ── Main content ───────────────────────────────────── */
.wren-content { flex: 1; overflow-y: auto; padding: 0; position: relative; }
.wren-content-inner { max-width: 760px; margin: 0 auto; padding: 32px 24px 140px; }

/* ── Onboarding ─────────────────────────────────────── */
.wren-onboarding { max-width: 640px; margin: 0 auto; padding: 80px 24px 140px; text-align: center; }
.wren-onboarding-mark { width: 56px; height: 56px; margin: 0 auto 20px; background: var(--geekblue-6); border-radius: 16px; display: flex; align-items: center; justify-content: center; }
.wren-onboarding-mark img { width: 32px; height: 32px; filter: brightness(0) invert(1); }
.wren-onboarding-title { font-size: 32px; font-weight: 700; color: var(--gray-9); margin: 0 0 12px; }
.wren-onboarding-sub { color: var(--gray-8); font-size: 15px; margin: 0 0 32px; line-height: 1.55; }
.wren-onboarding-sub b { color: var(--gray-9); font-weight: 600; }

/* ── Recommended questions ──────────────────────────── */
.wren-recq { background: var(--gray-1); border: 1px solid var(--gray-4); border-radius: 8px; padding: 16px; text-align: left; }
.wren-recq-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.wren-recq-icon { color: var(--gold-6); display: inline-flex; }
.wren-recq-title { font-size: 13px; color: var(--gray-9); font-weight: 600; }
.wren-recq-list { display: flex; flex-direction: column; gap: 0; }
.wren-recq-item {
  display: block; width: 100%; text-align: left;
  border: none; background: transparent; cursor: pointer;
  font-size: 14px; color: var(--gray-10);
  padding: 10px 0; border-top: 1px solid var(--gray-4);
}
.wren-recq-item:first-child { border-top: none; }
.wren-recq-item:hover { color: var(--geekblue-6); }

/* ── Prompt bar ─────────────────────────────────────── */
.wren-prompt {
  position: absolute; left: 0; right: 0; bottom: 18px;
  display: flex; justify-content: center; pointer-events: none;
}
.wren-prompt-card {
  pointer-events: auto;
  width: min(680px, calc(100% - 48px));
  background: #fff;
  border: 1px solid var(--gray-4);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  padding: 12px 14px;
}
.wren-prompt-input {
  width: 100%; border: none; outline: none; resize: none;
  font: inherit; font-size: 14px; color: var(--gray-10);
  padding: 0; min-height: 22px; max-height: 160px;
}
.wren-prompt-input::placeholder { color: var(--gray-6); }
.wren-prompt-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.wren-prompt-left, .wren-prompt-right { display: flex; align-items: center; gap: 8px; }

.wren-icon-btn {
  width: 28px; height: 28px; border-radius: 4px;
  border: none; background: transparent; cursor: pointer;
  color: var(--gray-7); display: inline-flex; align-items: center; justify-content: center;
}
.wren-icon-btn:hover { background: rgba(0,0,0,.04); color: var(--gray-9); }

.wren-plan { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--gray-7); cursor: pointer; }
.wren-plan.is-on { color: var(--blue-5); }
.wren-switch {
  position: relative; width: 24px; height: 14px; border-radius: 999px;
  background: var(--gray-5); cursor: pointer; transition: background .15s;
}
.wren-switch.is-on { background: var(--blue-5); }
.wren-switch-knob { position: absolute; left: 2px; top: 2px; width: 10px; height: 10px; background: #fff; border-radius: 999px; transition: left .15s; }
.wren-switch.is-on .wren-switch-knob { left: 12px; }

.wren-mode { position: relative; }
.wren-mode-btn {
  display: inline-flex; align-items: center; gap: 4px;
  border: none; background: transparent; color: var(--gray-9);
  font-size: 13px; padding: 4px 8px; border-radius: 4px; cursor: pointer;
}
.wren-mode-btn:hover { background: rgba(0,0,0,.04); }
.wren-mode-menu {
  position: absolute; right: 0; bottom: calc(100% + 6px);
  background: #fff; border-radius: 8px; box-shadow: var(--shadow-elevation);
  padding: 4px; min-width: 220px; z-index: 30;
}
.wren-mode-opt {
  display: block; width: 100%; text-align: left;
  border: none; background: transparent; cursor: pointer;
  padding: 8px 10px; border-radius: 4px;
}
.wren-mode-opt:hover { background: var(--gray-3); }
.wren-mode-opt.is-active { background: var(--geekblue-1); }
.wren-mode-opt-name { display: block; font-size: 13px; color: var(--gray-9); font-weight: 600; }
.wren-mode-opt-desc { display: block; font-size: 11px; color: var(--gray-7); margin-top: 2px; }

.wren-send {
  width: 28px; height: 28px; border-radius: 999px; border: none;
  background: var(--geekblue-6); color: #fff; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.wren-send:hover { background: var(--geekblue-5); }

/* ── Thread ─────────────────────────────────────────── */
.wren-msg { display: flex; gap: 12px; margin-bottom: 24px; }
.wren-msg-user { justify-content: flex-end; }
.wren-msg-user .wren-msg-bubble {
  background: var(--geekblue-1); color: var(--gray-10);
  padding: 10px 14px; border-radius: 14px 14px 4px 14px;
  max-width: 70%; font-size: 14px; line-height: 1.5;
}
.wren-msg-asst .wren-msg-avatar {
  width: 28px; height: 28px; border-radius: 999px;
  background: var(--geekblue-1); flex: 0 0 28px;
  display: flex; align-items: center; justify-content: center;
}
.wren-msg-asst .wren-msg-avatar img { width: 18px; height: 18px; }
.wren-msg-content { flex: 1; min-width: 0; }

.wren-think { display: flex; flex-direction: column; gap: 0; padding: 6px 0 4px; position: relative; }
.wren-think-step { display: flex; align-items: flex-start; gap: 8px; padding: 4px 0; position: relative; }
.wren-think-step .wren-think-line {
  position: absolute; left: 7px; top: 18px; bottom: -4px;
  width: 1px; background: var(--gray-5);
}
.wren-think-step:last-child .wren-think-line { display: none; }
.wren-think-dot {
  width: 16px; height: 16px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--gray-1); border: 1.5px solid var(--gray-5);
  flex: 0 0 16px; z-index: 1;
}
.wren-think-step.done .wren-think-dot { background: var(--green-6); border-color: var(--green-6); color: #fff; }
.wren-think-step.running .wren-think-dot { border-color: var(--geekblue-6); }
.wren-think-spinner {
  width: 8px; height: 8px; border: 1.5px solid var(--geekblue-6);
  border-top-color: transparent; border-radius: 999px;
  animation: wren-spin .8s linear infinite;
}
@keyframes wren-spin { to { transform: rotate(360deg); } }
.wren-think-pending { width: 6px; height: 6px; background: var(--gray-5); border-radius: 999px; }
.wren-think-body { font-size: 13px; line-height: 1.4; padding-top: 0; }
.wren-think-label { color: var(--gray-9); font-weight: 500; }
.wren-think-step.pending .wren-think-label { color: var(--gray-7); }
.wren-think-detail { color: var(--gray-7); font-size: 12px; margin-top: 2px; }

.wren-sql-block { border: 1px solid var(--gray-4); border-radius: 4px; overflow: hidden; margin: 12px 0; background: var(--gray-2); }
.wren-sql-head { display: flex; align-items: center; justify-content: space-between; padding: 6px 10px; background: var(--gray-3); border-bottom: 1px solid var(--gray-4); }
.wren-sql-tag { font-size: 10px; color: var(--gray-7); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.wren-sql-copy { border: none; background: transparent; color: var(--gray-7); font-size: 11px; cursor: pointer; }
.wren-sql-copy:hover { color: var(--geekblue-6); }
.wren-sql-body { margin: 0; padding: 10px 12px; font-family: var(--font-mono); font-size: 12px; color: var(--gray-10); white-space: pre-wrap; }

.wren-answer { font-size: 14px; line-height: 1.55; color: var(--gray-10); margin-top: 12px; }
.wren-answer-actions { display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.wren-pill-btn { background: var(--gray-1); border: 1px solid var(--gray-4); border-radius: 999px; font-size: 12px; padding: 4px 10px; color: var(--gray-9); cursor: pointer; }
.wren-pill-btn:hover { border-color: var(--geekblue-5); color: var(--geekblue-6); }

/* ── Chart ──────────────────────────────────────────── */
.wren-chart { background: var(--gray-1); border: 1px solid var(--gray-4); border-radius: 8px; padding: 14px; margin: 12px 0; box-shadow: var(--shadow-card); }
.wren-chart-title { font-size: 12px; color: var(--gray-7); margin-bottom: 10px; }
.wren-chart-body { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; align-items: end; height: 140px; }
.wren-chart-col { display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.wren-chart-bar { width: 100%; background: linear-gradient(180deg, var(--geekblue-5), var(--geekblue-6)); border-radius: 4px 4px 0 0; min-height: 4px; }
.wren-chart-label { font-size: 11px; color: var(--gray-7); }

/* ── Modeling canvas ────────────────────────────────── */
.wren-modeling { display: flex; flex-direction: column; height: 100%; }
.wren-modeling-toolbar { display: flex; gap: 6px; padding: 10px 16px; border-bottom: 1px solid var(--gray-4); background: var(--gray-1); }
.wren-mt-btn { background: #fff; border: 1px solid var(--gray-5); color: var(--gray-10); height: 28px; padding: 0 12px; border-radius: 4px; font-size: 13px; cursor: pointer; }
.wren-mt-btn:hover { border-color: var(--geekblue-5); color: var(--geekblue-5); }
.wren-mt-btn.primary { background: var(--geekblue-6); border-color: var(--geekblue-6); color: #fff; }
.wren-mt-btn.primary:hover { background: var(--geekblue-5); border-color: var(--geekblue-5); color: #fff; }
.wren-mt-spacer { flex: 1; }
.wren-modeling-canvas { flex: 1; position: relative; overflow: auto; background: var(--gray-2); }
.wren-canvas-grid {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle, var(--gray-5) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: .6;
}
.wren-canvas-edges { position: absolute; inset: 0; pointer-events: none; width: 100%; height: 100%; }
.wren-canvas-card {
  position: absolute; width: 184px; background: #fff;
  border-radius: 8px; box-shadow: var(--shadow-elevation);
  font-size: 12px; overflow: hidden;
}
.wren-cc-head { display: flex; align-items: center; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--gray-4); }
.wren-cc-tag { font-size: 9px; font-weight: 700; color: var(--diagram-model-accent); letter-spacing: .04em; }
.wren-cc-tag[data-kind="view"] { color: var(--diagram-view-accent); }
.wren-cc-name { font-size: 13px; font-weight: 600; color: var(--gray-9); }
.wren-cc-row { display: flex; justify-content: space-between; padding: 6px 10px; font-size: 12px; color: var(--gray-9); border-top: 1px solid var(--gray-4); }
.wren-cc-row:nth-child(2) { border-top: none; }
.wren-cc-type { color: var(--gray-7); font-family: var(--font-mono); font-size: 10px; }