/* The professor's report and the developer page (staff.html). Colours from tokens.css, as the student's page;
   the reports' own styles come from staff-report.css (reports.py's and devstats.py's, made by webpage.py). */

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--ws-page); color-scheme: light; }
html.dark { color-scheme: dark; }
body {
  margin: 0; min-height: 100dvh; background: var(--ws-page); color: var(--ws-text);
  font: 500 15px/1.6 var(--ws-display); -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--ws-focus); outline-offset: 2px; }

.s-page { max-width: 1080px; margin: 0 auto; padding: 0 16px 64px; }

/* ---- The bar along the top */
.s-top {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 0 -16px; padding: 12px 16px; background: var(--ws-page); border-bottom: 1px solid var(--ws-border);
}
.s-brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ws-text); font-weight: 800;
  text-decoration: none; letter-spacing: -0.01em; }
.s-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ws-amber); }
.s-course { color: var(--ws-muted); font-weight: 700; }
.s-kind { padding: 2px 10px; border-radius: 999px; background: var(--ws-accent-soft); color: var(--ws-text);
  font-size: 13px; font-weight: 700; }
.s-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-left: auto; }
.s-updated { color: var(--ws-muted); font-size: 13px; margin-right: 4px; }
/* The professor's class switch: one link a class (a new tab opens another beside it), the one showing filled */
.s-switch { display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--ws-border-strong); border-radius: 14px;
  background: var(--ws-surface); }
.s-switch .s-btn { min-height: 32px; padding: 0 12px; border-color: transparent; border-radius: 10px; background: none;
  color: var(--ws-muted); text-decoration: none; }
.s-switch .s-btn:hover { background: var(--ws-surface-2); color: var(--ws-text); }
.s-switch .s-btn[aria-current="page"], .s-switch .s-btn[aria-pressed="true"] { background: var(--ws-accent-btn);
  color: var(--ws-on-accent); cursor: default; }  /* the class showing; the developer page's Stats / Beta class tab */
.s-switch .s-btn[aria-disabled="true"] { opacity: 0.6; cursor: progress; }
.s-devtabs { margin: 18px 0 0; }
.s-switch-code { max-width: 520px; margin: 18px 0 0; padding: 12px 14px; border: 1px solid var(--ws-border);
  border-radius: 16px; background: var(--ws-surface); }

/* ---- Buttons and boxes */
.s-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 0 14px;
  border: 1px solid var(--ws-border-strong); border-radius: 12px; background: var(--ws-surface);
  font-size: 14px; font-weight: 700; white-space: nowrap;
}
.s-btn:hover { background: var(--ws-surface-2); }
.s-btn:disabled { opacity: 0.6; cursor: progress; }
.s-btn.primary { border-color: transparent; background: var(--ws-accent-btn); color: var(--ws-on-accent); }
.s-btn.primary:hover { background: var(--ws-accent-btn-hover); }
.s-btn.quiet { border-color: transparent; background: none; color: var(--ws-muted); }
.s-btn.quiet:hover { background: var(--ws-surface-2); color: var(--ws-text); }
.s-btn.danger { border-color: transparent; background: var(--ws-danger); color: var(--ws-on-danger); }
.s-btn.danger:hover { background: var(--ws-danger-hover); }
input {
  min-height: 40px; width: 100%; min-width: 0; padding: 0 12px; border: 1px solid var(--ws-input-border);
  border-radius: 12px; background: var(--ws-surface);
}
input:hover { border-color: var(--ws-input-border-hover); }
input:focus { outline: none; border-color: var(--ws-focus); box-shadow: 0 0 0 3px var(--ws-focus-ring); }
input::placeholder { color: var(--ws-placeholder); }
label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 700; color: var(--ws-muted); }

/* ---- The code box */
.s-gate {
  max-width: 460px; margin: 12vh auto 0; padding: 24px; border: 1px solid var(--ws-border); border-radius: 20px;
  background: var(--ws-surface); box-shadow: var(--ws-shadow);
}
.s-gate h1 { margin: 0 0 6px; font-size: 24px; font-weight: 800; letter-spacing: -0.02em; }
.s-intro { margin: 0 0 18px; color: var(--ws-muted); font-size: 14px; }
.s-gate .s-btn { margin-top: 12px; }
.s-msg:empty { display: none; }
.s-msg p { margin: 10px 0 0; color: var(--ws-danger); font-size: 14px; font-weight: 700; }
.s-note { margin: 12px 0 0; }
.s-note p { margin: 0; }

/* ---- The professor's class link (staff.js showLink): the link to post, whole (it wraps; a click selects it all), Copy,
   and Try it yourself */
.s-link { margin: 18px 0 0; padding: 14px 16px 16px; border: 1px solid var(--ws-border); border-radius: 16px;
  background: var(--ws-surface); }
.s-link h2 { margin: 0 0 8px; font-size: 16px; font-weight: 800; letter-spacing: -0.01em; }
.s-link-row { display: flex; align-items: center; gap: 8px; }
.s-link-url { flex: 1; min-width: 0; padding: 8px 12px; border: 1px solid var(--ws-border); border-radius: 12px;
  background: var(--ws-code-bg); font: 14px/1.45 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  overflow-wrap: anywhere; user-select: all; -webkit-user-select: all; }
.s-link-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px;
  margin-top: 10px; }
.s-link-say { margin: 0; color: var(--ws-muted); font-size: 14px; }

/* ---- The developer's buttons: short rows, each box right before its button */
.s-tools {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin: 18px 0 4px;
}
.s-tool { padding: 12px 14px; border: 1px solid var(--ws-border); border-radius: 16px; background: var(--ws-surface); }
.s-tool.wide { grid-column: span 2; }
.s-row { display: flex; gap: 8px; }
.s-row input { flex: 1; }
.s-check:empty { display: none; }
.s-check { margin-top: 10px; }

/* ---- The report: part of the page, scrolling with it */
.s-report { margin-top: 18px; }
.s-report:empty { margin: 0; }
.rp {
  --rp-page: var(--ws-page); --rp-card: var(--ws-surface); --rp-line: var(--ws-border); --rp-ink: var(--ws-text);
  --rp-muted: var(--ws-muted); --rp-link: var(--ws-link); --rp-note-bg: var(--ws-note-bg);
  --rp-note-line: var(--ws-note-border); --rp-empty: var(--ws-input-border); --rp-flag: var(--ws-report-flag);
  --rp-solid: var(--ws-report-solid); --rp-developing: var(--ws-report-developing); --rp-shaky: var(--ws-report-shaky);
  --rp-display: var(--ws-display); --rp-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
.rp .rp-pre { white-space: pre-wrap; }

/* ---- Read chats: one saved chat, read-only, drawn as the student's page draws it (app.css's bubbles and markdown) */
.s-viewer { margin: 18px 0 0; padding: 16px 18px 18px; border: 1px solid var(--ws-border); border-radius: 18px;
  background: var(--ws-surface); }
.s-viewer-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.s-viewer h2 { margin: 0; font-size: 18px; font-weight: 800; letter-spacing: -0.01em; overflow-wrap: anywhere; }
.s-viewer-meta { margin: 2px 0 0; color: var(--ws-muted); font-size: 13px; overflow-wrap: anywhere; }
.s-viewer-meta a { color: var(--ws-link); font-weight: 700; }
.v-messages { display: flex; flex-direction: column; gap: 10px; margin: 0; padding: 0; list-style: none; }
.v-msg { display: flex; flex-direction: column; gap: 2px; }
.v-msg.user { align-items: flex-end; }
.v-who { margin: 0 4px; color: var(--ws-muted); font-size: 12px; font-weight: 800; letter-spacing: 0.04em; }
.v-bubble { max-width: 100%; padding: 12px 16px; border-radius: 18px; overflow-wrap: anywhere; }
.v-msg.user .v-bubble { max-width: min(80%, 640px); background: var(--ws-user); border-bottom-right-radius: 6px; }
.v-msg.user .v-bubble .code { max-height: 260px; overflow-y: auto; background: var(--ws-surface); }
.v-msg.bot .v-bubble { border: 1px solid var(--ws-border-strong); background: var(--ws-bot); border-bottom-left-radius: 6px; }
.v-msg.note .v-bubble { padding: 2px 4px; color: var(--ws-muted); font-size: 13px; }
.s-viewer .icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px;
  padding: 0; border: 0; border-radius: 10px; background: none; color: var(--ws-muted); }
.s-viewer .icon-btn:hover { background: var(--ws-surface-2); color: var(--ws-text); }
.s-viewer .icon-btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round;
  stroke-linejoin: round; }
.s-viewer .prose > :first-child { margin-top: 0; }
.s-viewer .prose > :last-child { margin-bottom: 0; }
.s-viewer .prose p, .s-viewer .prose ul, .s-viewer .prose ol { margin: 0 0 10px; }
.s-viewer .prose ul, .s-viewer .prose ol { padding-left: 22px; }
.s-viewer .prose ul { list-style: disc; }
.s-viewer .prose ul ul { list-style: circle; }
.s-viewer .prose li { margin: 2px 0; }
.s-viewer .prose h4 { margin: 14px 0 6px; font-size: 15.5px; font-weight: 800; }
.s-viewer .prose code { padding: 1px 5px; border-radius: 6px; background: var(--ws-code-bg);
  font: 13px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
.s-viewer .prose .code { margin: 0 0 10px; border: 1px solid var(--ws-border); border-radius: 12px; overflow: hidden;
  background: var(--ws-code-bg); }
.s-viewer .prose .code-head { display: flex; align-items: center; justify-content: space-between; padding: 4px 6px 4px 12px;
  border-bottom: 1px solid var(--ws-border); color: var(--ws-muted); font-size: 12px; font-weight: 700; }
.s-viewer .prose pre { margin: 0; padding: 12px 14px; overflow-x: auto; }
.s-viewer .prose pre code { padding: 0; background: none; font-size: 13px; }
.s-viewer .prose li > ul, .s-viewer .prose li > ol { margin: 2px 0 0; }
.s-viewer .prose li > p, .s-viewer .prose li > .code { margin: 6px 0; }
.s-viewer .prose a { color: var(--ws-link); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.s-viewer .prose blockquote { margin: 0 0 10px; padding: 2px 0 2px 12px; border-left: 3px solid var(--ws-border-strong);
  color: var(--ws-muted); }
.s-viewer .prose hr { margin: 14px 0; border: 0; border-top: 1px solid var(--ws-border); }
.s-viewer .prose .table { margin: 0 0 10px; max-width: 100%; overflow-x: auto; border: 1px solid var(--ws-border);
  border-radius: 12px; }
.s-viewer .prose table { width: 100%; border-collapse: collapse; font-size: 14px; }
.s-viewer .prose th, .s-viewer .prose td { padding: 6px 12px; border-bottom: 1px solid var(--ws-border); text-align: left;
  vertical-align: top; }
.s-viewer .prose th { background: var(--ws-code-bg); font-weight: 800; white-space: nowrap; }
.s-viewer .prose tbody tr:last-child td { border-bottom: 0; }
.s-viewer .prose th.r, .s-viewer .prose td.r { text-align: right; }
.s-viewer .prose th.c, .s-viewer .prose td.c { text-align: center; }

@media (max-width: 640px) {
  .s-tool.wide { grid-column: auto; }
  .s-row { flex-wrap: wrap; }
  .s-row .s-btn { flex: 1; }
  .s-gate { margin-top: 6vh; padding: 20px; }
  .s-updated { display: none; }
  .s-switch-code .s-row input { flex-basis: 100%; }  /* the code box's own row, its buttons under it */
  .s-link-row { flex-wrap: wrap; }  /* the link its own row, Copy and Try it yourself as wide as the card */
  .s-link-url { flex-basis: 100%; }
  .s-link .s-btn { flex: 1; }
  .s-actions { margin-left: 0; }  /* the professor's four buttons take two or three rows at phone width */
  .s-top { position: static; }  /* and those rows would stay over the report */
  .s-viewer { padding: 14px 12px; }
  .v-msg.user .v-bubble { max-width: 88%; }
  .v-bubble { padding: 10px 14px; }
}