/* The planetary survey page. Builds on css/app.css for fonts, colours, buttons and the footer. */

html, body.survey { height: auto; overflow: auto; overflow-x: hidden; }
body.survey { min-height: 100%; background: radial-gradient(ellipse at 50% -10%, #111b33 0%, var(--bg) 60%) fixed, var(--bg); }
.survey main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* Header */
.top { max-width: 1120px; margin: 0 auto; padding: calc(14px + var(--safe-t)) 16px 10px; display: grid; grid-template-columns: auto 1fr; gap: 10px 14px; align-items: center; }
.back { display: inline-flex; align-items: center; gap: 4px; height: 40px; padding: 0 12px 0 6px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--panel);
  color: var(--text); text-decoration: none; font: 600 13px/1 var(--display); letter-spacing: 0.1em; text-transform: uppercase; }
.back:hover { border-color: var(--cyan); }
.back svg { width: 20px; height: 20px; }
.title h1 { margin: 2px 0 0; font: 600 22px/1.15 var(--display); letter-spacing: 0.04em; }
.tabs { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; padding: 4px; gap: 4px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); }
.tabs button { height: 40px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); font: 600 13px/1 var(--display); letter-spacing: 0.1em; text-transform: uppercase; }
.tabs button[aria-pressed="true"] { background: rgba(255, 181, 74, 0.14); color: var(--amber); box-shadow: 0 0 0 1px rgba(255, 181, 74, 0.35) inset; }

/* The planet */
.viewer { position: relative; width: min(100%, 460px); margin: 4px auto 0; aspect-ratio: 1; touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.viewer::before { content: ''; position: absolute; inset: 6%; border-radius: 50%; border: 1px dashed rgba(134, 216, 255, 0.12); pointer-events: none; }
.viewer::after { content: ''; position: absolute; left: 50%; top: 3%; bottom: 3%; border-left: 1px solid rgba(134, 216, 255, 0.07); pointer-events: none; }
.globe { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.badge { position: absolute; left: 4px; top: 4px; display: grid; justify-items: start; padding: 8px 12px 8px 10px; border-left: 3px solid var(--amber); background: linear-gradient(90deg, rgba(5, 7, 13, 0.75), rgba(5, 7, 13, 0)); pointer-events: none; }
.badge-k { font: 600 11px/1.2 var(--display); letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber); }
.badge-l { font: 600 54px/0.95 var(--display); color: var(--text); text-shadow: 0 0 24px rgba(255, 181, 74, 0.35); }
.flip { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--panel);
  display: grid; place-items: center; padding: 0; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.flip:hover { border-color: var(--cyan); }
.flip svg { width: 22px; height: 22px; }
.flip.prev { left: 0; }
.flip.next { right: 0; }
.counter { position: absolute; right: 6px; bottom: 4px; margin: 0; font: 500 12px/1 var(--display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); }

/* The file */
.file { max-width: 640px; margin: 6px auto 0; padding: 18px 18px 8px; border-radius: 20px; border: 1px solid var(--line); background: var(--panel); }
.file h2 { margin: 4px 0 2px; font: 600 28px/1.1 var(--display); letter-spacing: 0.03em; }
.file .nick { font-size: 0.62em; color: var(--muted); letter-spacing: 0.04em; margin-left: 4px; white-space: nowrap; }
.file .real { margin: 0 0 10px; color: var(--cyan); font-size: 14px; }
.file .about { margin: 0 0 12px; color: #cdd5e3; }
.file h3 { margin: 18px 0 6px; font: 600 11px/1.2 var(--display); letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber); }
.file p { margin: 0 0 8px; color: #cdd5e3; }
.file .none { color: var(--muted); }
.readings, #readings { margin: 0; display: grid; gap: 0; }
.readings div, #readings div { display: grid; grid-template-columns: 6.5em 1fr; gap: 10px; padding: 7px 0; border-top: 1px solid var(--line); }
.readings dt, #readings dt { font: 600 11px/1.6 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); }
.readings dd, #readings dd { margin: 0; font-variant-numeric: tabular-nums; }
.worlds { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.worlds li { padding: 10px 12px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, 0.02); }
.w-head { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.w-head b { font: 600 16px/1.2 var(--display); letter-spacing: 0.02em; }
.ly { font: 500 13px/1 var(--display); color: var(--cyan); white-space: nowrap; font-variant-numeric: tabular-nums; }
.worlds p { margin: 4px 0 2px; font-size: 14px; color: var(--muted); }
.fly { display: inline-block; margin-top: 4px; font: 600 12px/1 var(--display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); text-decoration: none; padding: 6px 0; }
.fly:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Thumbnails to flip through */
.strip-wrap { margin: 14px -16px 0; }
.strip { display: flex; gap: 6px; overflow-x: auto; padding: 4px 16px 12px; scroll-snap-type: x proximity; scrollbar-width: thin; align-items: stretch; }
.strip-group { flex: none; writing-mode: vertical-rl; transform: rotate(180deg); margin: 0; padding: 4px 2px; font: 600 10px/1 var(--display); letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); border-right: 1px solid var(--line); text-align: center; }
.chip { flex: none; width: 72px; display: grid; justify-items: center; gap: 2px; padding: 6px 2px 8px; border-radius: 14px; border: 1px solid transparent; background: none; scroll-snap-align: center; }
.chip canvas { width: 56px; height: 56px; }
.chip span { font: 600 12px/1.15 var(--display); letter-spacing: 0.04em; color: var(--muted); text-align: center; }
.chip:hover { border-color: var(--line); }
.chip[aria-current="true"] { border-color: rgba(255, 181, 74, 0.5); background: rgba(255, 181, 74, 0.08); }
.chip[aria-current="true"] span { color: var(--amber); }

/* Cover your tracks */
.drill-intro p { max-width: 640px; margin: 6px auto 4px; color: #cdd5e3; text-align: center; }
.drill-grid { display: grid; gap: 10px; }
.viewer.small { width: min(78%, 340px); }
.tag { position: absolute; left: 0; right: 0; bottom: 0; margin: 0; text-align: center; font: 600 11px/1.2 var(--display); letter-spacing: 0.16em; text-transform: uppercase; color: var(--cyan); }
.sensor { padding: 14px 16px 6px; border-radius: 18px; border: 1px solid var(--line); background: var(--panel); }
.sensor .eyebrow { margin-bottom: 6px; }
.prompt { margin: 16px 0 8px; text-align: center; font: 600 15px/1.2 var(--display); letter-spacing: 0.1em; text-transform: uppercase; }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.choice { display: grid; justify-items: center; gap: 2px; padding: 10px 6px 12px; border-radius: 16px; border: 1px solid var(--line-strong); background: rgba(255, 255, 255, 0.03); transition: border-color .15s, background .15s; }
.choice:hover:not(:disabled) { border-color: var(--cyan); }
.choice canvas { width: 72px; height: 72px; }
.c-name { font: 600 16px/1.2 var(--display); letter-spacing: 0.03em; }
.c-sub { font-size: 13px; color: var(--muted); line-height: 1.3; text-align: center; }
.choice:disabled { cursor: default; opacity: 0.5; }
.choice.right { opacity: 1; border-color: #6fe3a4; background: rgba(111, 227, 164, 0.1); }
.choice.wrong { opacity: 1; border-color: #ff7a6b; background: rgba(255, 122, 107, 0.1); }
.verdict { margin-top: 12px; padding: 14px 16px; border-radius: 18px; border: 1px solid var(--line-strong); background: var(--panel-solid); }
.verdict p { margin: 0 0 10px; color: #cdd5e3; }
.verdict-head { font: 600 17px/1.25 var(--display); letter-spacing: 0.02em; }
.verdict-head.ok { color: #6fe3a4; }
.verdict-head.bad { color: #ff9a8c; }
.verdict-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.verdict-actions > * { flex: 1 1 140px; display: inline-grid; place-items: center; text-decoration: none; }
.score { margin: 12px 0 0; text-align: center; font: 500 13px/1 var(--display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); min-height: 1em; }

.survey .jd-foot { padding: 28px 0 calc(18px + var(--safe-b)); }

@media (min-width: 760px) {
  .top { grid-template-columns: auto 1fr auto; padding: calc(20px + var(--safe-t)) 24px 14px; }
  .tabs { grid-column: auto; width: 380px; }
  .title h1 { font-size: 26px; }
  .survey main { padding: 0 24px; }
  #files:not([hidden]) { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: 'viewer file' 'strip file'; gap: 0 28px; align-items: start; }
  #files .viewer { grid-area: viewer; width: 100%; max-width: 500px; }
  #files .file { grid-area: file; margin: 4px 0 0; }
  #files .strip-wrap { grid-area: strip; margin: 10px 0 0; }
  .strip { flex-wrap: wrap; overflow: visible; padding: 0; justify-content: center; }
  .strip-group { writing-mode: horizontal-tb; transform: none; flex-basis: 100%; border: 0; text-align: left; padding: 10px 4px 2px; }
  .drill-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 24px; }
  .viewer.small { width: min(100%, 380px); }
  .choices { grid-template-columns: repeat(4, 1fr); }
  #drill { max-width: 900px; margin: 0 auto; }
}