/* Curator — embedded dialog UI */

:root {
  --curator-text: #333;
  --curator-text-secondary: #595959;
  --curator-border: #dedede;
  --curator-surface: #f5f5f5;
  --curator-success: #0f8521;
  --curator-warning: #d1a900;
  --curator-hover: #fafafa;
  --curator-input-border: #777;
}

html, body { height: 100%; margin: 0; overflow: hidden; }
body {
  display: flex; flex-direction: column;
  background: #fff;
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--font-size-14);
  color: var(--curator-text);
}

/* ── Animations ───────────────────────────── */
.step-enter { animation: stepIn 0.25s ease-out; }
@keyframes stepIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ───────────────────────────────── */
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px;
  background: var(--curator-text); flex-shrink: 0;
}
.header-brand { display: flex; align-items: center; gap: 8px; }
.header-brand span { font-size: var(--font-size-14); font-weight: 600; color: #fff; }

/* ── Content area ─────────────────────────── */
#content { flex: 1; min-height: 0; overflow-y: auto; }

/* ── Footer ───────────────────────────────── */
.footer {
  border-top: 1px solid var(--curator-border); padding: 8px 16px;
  background: var(--curator-surface); flex-shrink: 0;
}

/* ── Number input: hide spinners ──────────── */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; }

/* ── Input step ───────────────────────────── */
.input-step {
  display: flex; flex-direction: column;
  padding: 12px 16px; height: 100%; min-height: 0;
  box-sizing: border-box;
}
.input-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
}
.course-info {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 4px; background: var(--curator-surface);
}
.course-info .course-name { font-weight: 600; color: var(--curator-text); }
.input-header-right {
  display: flex; align-items: center; gap: 10px;
  margin-left: auto;
}
.input-header d-input { --d-input-height: 36px; --d-input-width: 160px; }
.input-header-right d-input { --d-input-height: 36px; --d-input-width: 80px; }
.course-edit { flex: 1; min-width: 0; }
.course-edit d-input { --d-input-height: 36px; --d-input-width: 100%; display: block; }

.textarea-wrap { flex: 1; position: relative; min-height: 0; margin-top: 8px; }
.textarea-label {
  position: absolute; top: -8px; left: 7px; z-index: 1;
  background: #fff; padding: 0 4px;
  font-size: var(--font-size-12); color: var(--curator-text-secondary);
  pointer-events: none;
}
.input-textarea {
  position: absolute; inset: 0; width: 100%; height: 100%; resize: none;
  padding: 12px; border: 1px solid var(--curator-input-border); border-radius: 4px;
  line-height: 1.6; font-family: inherit; font-size: var(--font-size-14);
  color: var(--curator-text);
  box-sizing: border-box;
}
.input-textarea::placeholder { color: var(--curator-input-border); }
.input-textarea:focus { outline: none; border-color: var(--curator-text); }

.file-list {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 8px 0 0; flex-shrink: 0;
}

.footer:has(.input-footer) { padding: 8px 16px; background: var(--curator-surface); border-top-color: var(--curator-border); }
.input-footer { display: flex; align-items: center; justify-content: flex-end; }
.input-footer-actions { display: flex; align-items: center; gap: 8px; }

/* ── Analyzing state ──────────────────────── */
.analyzing-state {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 100%;
}
.analyzing-state .label { font-size: var(--font-size-16); font-weight: 500; color: var(--curator-text); margin: 0 0 8px; }
.analyzing-state .sublabel { font-size: var(--font-size-14); color: var(--curator-text-secondary); margin: 0; }

/* ── Building step ────────────────────────── */
.building-content { padding: 12px 16px; }
.concept-table { width: 100%; border-collapse: collapse; }
.concept-table thead th {
  text-align: left; font-size: var(--font-size-12); font-weight: 500; color: var(--curator-text);
  padding: 0 0 8px; border-bottom: 1px solid var(--curator-border);
}
.concept-table thead th + th { padding-left: 8px; }
.concept-table thead th.col-arrow { width: 24px; padding-left: 0; }
.concept-table thead th.col-status { width: 130px; }
.concept-table thead th.col-questions { width: 90px; }

.concept-row { cursor: pointer; }
.concept-row:hover { background: var(--curator-hover); }
.concept-row:focus-visible { outline: 2px solid #ff7043; outline-offset: -2px; background: var(--curator-hover); }
.concept-row td { padding: 8px 0; border-bottom: 1px solid var(--curator-border); }
.concept-row.expanded td { border-bottom: none; }
.concept-row td + td { padding-left: 8px; }
.concept-row td.col-arrow { padding-left: 0; vertical-align: middle; }

.concept-arrow {
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; --d-icon-color: var(--curator-text-secondary);
  transition: transform 0.15s;
}
.concept-row.expanded .concept-arrow { transform: rotate(90deg); }
.concept-name { font-weight: 600; color: var(--curator-text); }

.concept-status { display: flex; align-items: center; gap: 6px; color: var(--curator-text); }
.concept-status .status-icon { width: 16px; height: 16px; flex-shrink: 0; }

.concept-questions { color: var(--curator-text); }

.concept-detail-row td { padding: 0; border-bottom: 1px solid var(--curator-border); }
.concept-detail-row td.col-detail { padding: 4px 0 10px 8px; }
.concept-detail { color: var(--curator-text-secondary); line-height: 1.4; }
.concept-detail .description { margin: 0 0 6px; font-size: var(--font-size-14); }
.concept-detail .questions-found { font-size: var(--font-size-12); color: var(--curator-input-border); font-style: italic; margin: 0; }
.concept-detail .questions-list { margin: 4px 0 0; padding-left: 18px; font-size: var(--font-size-12); color: var(--curator-text); }
.concept-detail .questions-list li { margin: 2px 0; }
.concept-detail .reason { font-size: var(--font-size-12); color: #d97706; margin: 4px 0 0; }

/* ── Building footer variants ─────────────── */
.building-footer-status { display: flex; align-items: center; justify-content: space-between; color: var(--curator-text); }
.building-footer-status .status-left { display: flex; align-items: center; gap: 8px; }
.building-footer-actions { display: flex; align-items: center; justify-content: space-between; color: var(--curator-text); }
.building-footer-actions .status-left { display: flex; align-items: center; gap: 8px; }
.building-footer-right { display: flex; align-items: center; gap: 12px; }
.footer-question-count { color: var(--curator-text-secondary); font-size: var(--font-size-14); }

/* ── Result page ─────────────────────────── */
.result-icon { --d-icon-size: 32px; --d-icon-color: var(--curator-success); }
.result-title { font-size: var(--font-size-16); font-weight: 500; color: var(--curator-text); }
.result-subtitle { color: var(--curator-text-secondary); }

/* ── Building complete footer ────────────── */
.build-complete-icon { --d-icon-size: 16px; --d-icon-color: var(--curator-success); }
.build-no-session-hint { color: var(--curator-text-secondary); font-size: var(--font-size-12); }

/* ── Alerts ───────────────────────────────── */
.alert {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 12px 16px; border-radius: 8px; border: 1px solid;
  margin: 12px 16px; font-size: 13px; line-height: 1.5;
}
.alert-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-text { flex: 1; }
.alert-close {
  background: none; border: none; cursor: pointer;
  font-size: 16px; line-height: 1; color: inherit; opacity: 0.5;
}
.alert-close:hover { opacity: 1; }

/* ── No session ───────────────────────────── */
.no-session-content {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 100%; padding: 24px;
  text-align: center; color: var(--curator-text-secondary);
}

/* ── HTMX indicators ─────────────────────── */
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator { display: flex; }
.htmx-request .htmx-hide-on-request { display: none; }

/* ── Utility ──────────────────────────────── */
.hidden { display: none !important; }