/* Petrichor - style.css · "mission console" design system (Claude Design, July 2026).
 * Dark-first with a light projector variant; themed entirely through CSS custom
 * properties under [data-theme]. Motion gated by [data-motion="off"]. */

[data-theme] {
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
  --radius: 10px;
}
[data-theme="dark"] {
  --bg:#0A0E15; --bg2:#06090F; --panel:#111823; --panel2:#172234; --panelHi:#1E2A3D;
  --line:#25344A; --lineSoft:rgba(90,120,160,.14); --inset:rgba(255,255,255,.035);
  --text:#E6EDF5; --dim:#94A7BE; --faint:#5E7188;
  --amber:#FFB65C; --amberDim:#C98A3E; --amberInk:rgba(32,20,4,.85); --cyan:#57C7EC; --cyanDim:#2F7C9E;
  --good:#5FD08A; --goodDim:#3f9e63; --bad:#FF7D6F; --warn:#FFC46B;
  --shadow:0 10px 34px rgba(0,0,0,.5);
}
[data-theme="light"] {
  --bg:#E9EEF4; --bg2:#DCE3EB; --panel:#F5F8FB; --panel2:#EBF0F6; --panelHi:#FFFFFF;
  --line:#C4CFDD; --lineSoft:rgba(40,70,110,.12); --inset:rgba(255,255,255,.7);
  --text:#17212D; --dim:#4B5B70; --faint:#7B8BA1;
  --amber:#B96E0E; --amberDim:#8A5410; --amberInk:rgba(255,255,255,.85); --cyan:#0D77A0; --cyanDim:#0A5B7B;
  --good:#1E8A54; --goodDim:#1E8A54; --bad:#C6483C; --warn:#9E6A14;
  --shadow:0 10px 30px rgba(40,60,90,.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 var(--sans);
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}
summary::-webkit-details-marker { display: none; }
[data-motion="off"] * { animation: none !important; transition: none !important; }

@keyframes petSpin { to { transform: rotate(360deg); } }
@keyframes petBlink { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
@keyframes petFlash { 0% { background: var(--panelHi); } 100% { background: var(--panel2); } }
@keyframes petIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

button, select, input { font: inherit; color: inherit; }
button { cursor: pointer; transition: background .12s, border-color .12s, color .12s, filter .12s; }
select {
  appearance: none; background: var(--panel2); border: 1px solid var(--line);
  border-radius: 7px; padding: 6px 30px 6px 11px; font-size: 13px; color: var(--text);
  cursor: pointer; font-family: var(--sans);
}
.selwrap { position: relative; }
.selwrap .chev {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  pointer-events: none; color: var(--dim);
}

/* ---------- header ---------------------------------------------------- */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 18px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  box-shadow: inset 0 1px 0 var(--inset);
}
.brand { display: flex; align-items: center; gap: 13px; }
.sun-badge {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: radial-gradient(circle at 35% 30%, var(--amber), var(--amberDim));
  box-shadow: 0 0 0 1px var(--amberDim), 0 0 18px -2px var(--amber);
  color: var(--amberInk); flex-shrink: 0;
}
.brand-txt { display: flex; flex-direction: column; gap: 1px; }
.brand-row { display: flex; align-items: baseline; gap: 11px; }
.wordmark { font-size: 18px; font-weight: 800; letter-spacing: 4.5px; color: var(--text); }
.subtitle { font-size: 11px; letter-spacing: .5px; color: var(--dim); }
.statusline {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 1px;
  color: var(--faint); text-transform: uppercase;
}
.livedot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--good);
  box-shadow: 0 0 8px var(--good); animation: petBlink 2.4s ease-in-out infinite;
}
.headctl { display: flex; align-items: center; gap: 10px; }
.scenlab { font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); }
.iconbtn {
  display: grid; place-items: center; width: 34px; height: 34px;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; color: var(--dim);
}
.iconbtn:hover { border-color: var(--cyanDim); color: var(--cyan); }
.iconbtn.on { border-color: var(--cyan); color: var(--cyan); background: color-mix(in srgb, var(--cyan) 14%, var(--panel2)); }
#helpbtn {
  display: flex; align-items: center; gap: 7px;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 13px; font-size: 13px; color: var(--dim);
}
#helpbtn:hover { border-color: var(--cyanDim); color: var(--cyan); }

/* ---------- main row ---------------------------------------------------- */
#mainrow { display: grid; grid-template-columns: minmax(0, 1fr) 342px; min-height: 0; }
#left { display: flex; flex-direction: column; gap: 10px; padding: 13px 14px 10px; min-width: 0; min-height: 0; overflow: hidden; }

/* layer bar */
#layerbar { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.layercaption { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--faint); margin-right: 4px; }
.layerbtn {
  padding: 4px 11px; font-size: 12.5px; border-radius: 7px;
  background: var(--panel2); border: 1px solid var(--line); color: var(--dim);
}
.layerbtn:hover { color: var(--text); }
.layerbtn.active {
  background: linear-gradient(180deg, var(--amber), var(--amberDim));
  border-color: var(--amberDim); color: var(--amberInk); font-weight: 600;
}

/* map */
#mapstack {
  position: relative; aspect-ratio: 2 / 1;
  height: 100%; max-height: 100%; max-width: 100%; margin: 0 auto;
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: var(--bg2); box-shadow: var(--shadow), inset 0 1px 0 var(--inset);
  flex-shrink: 1; min-height: 200px;
}
.mapwrap { flex: 1; min-height: 0; display: flex; justify-content: center; align-items: center; }
#mapstack canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#overlay { cursor: crosshair; }

/* floating cards */
.floatcard {
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border: 1px solid var(--line); border-radius: 11px;
  backdrop-filter: blur(8px); box-shadow: var(--shadow);
}
#scenariohud { position: absolute; top: 12px; left: 12px; width: 244px; padding: 12px 13px; font-size: 12px; pointer-events: none; }
#sh-title { display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700; letter-spacing: .4px; color: var(--amber); text-transform: uppercase; margin-bottom: 3px; }
#sh-obj { font-size: 12px; color: var(--text); margin-bottom: 9px; line-height: 1.35; }
.sh-barlab { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-family: var(--mono); font-size: 9px; letter-spacing: 1px; color: var(--faint); text-transform: uppercase; }
.sh-barlab > span { width: 26px; }
.sh-bar { flex: 1; height: 7px; border-radius: 4px; background: var(--bg2); border: 1px solid var(--line); overflow: hidden; }
.sh-bar > div { height: 100%; width: 0%; background: linear-gradient(90deg, var(--cyanDim), var(--cyan)); transition: width .3s; }
.sh-bar.hold > div { background: linear-gradient(90deg, var(--goodDim), var(--good)); }
.sh-meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
#sh-danger { margin-top: 5px; color: var(--bad); font-weight: 600; font-family: var(--sans); }

#inspector {
  position: absolute; right: 12px; bottom: 12px;
  display: grid; grid-template-columns: auto auto; gap: 2px 14px;
  padding: 10px 13px; font-family: var(--mono); font-size: 11px;
  pointer-events: none; transition: opacity .25s;
}
#inspector.idle { opacity: 0; }
.ik { color: var(--faint); }
.iv { color: var(--text); text-align: right; }
.iv.biome { color: var(--cyan); }

/* legend */
#legend { display: flex; align-items: center; gap: 12px; min-height: 22px; font-family: var(--mono); font-size: 11px; color: var(--dim); padding: 0 4px; flex-wrap: wrap; }
.legendbar { height: 11px; border-radius: 4px; border: 1px solid var(--line); }
.legendlab { font-family: var(--mono); }
.legend-unit { color: var(--faint); }
.swatch { display: inline-flex; align-items: center; gap: 5px; }
.swatch i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; border: 1px solid var(--line); }

/* charts */
#chartdock { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 9px 11px 11px; box-shadow: inset 0 1px 0 var(--inset); }
#chartbar { display: flex; align-items: center; gap: 7px; margin-bottom: 8px; }
.tabbtn { padding: 3px 12px; font-size: 12px; border-radius: 6px; background: transparent; border: 1px solid transparent; color: var(--dim); }
.tabbtn.active { background: var(--panel2); border-color: var(--cyanDim); color: var(--text); font-weight: 600; }
#seriestoggles { display: flex; gap: 13px; margin-left: auto; font-size: 11.5px; }
.sertog { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; color: var(--dim); }
.sertog i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; border: 1.5px solid var(--sc); background: transparent; opacity: .5; }
.sertog.on i { background: var(--sc); opacity: 1; }
#histchart, #latchart { width: 100%; height: 150px; display: block; border-radius: 6px; background: var(--bg2); }

/* ---------- controls sidebar ------------------------------------------------- */
#controls {
  border-left: 1px solid var(--line); background: var(--panel);
  overflow-y: auto; padding: 14px 16px 22px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.ctlgroup { margin-bottom: 18px; }
.ctlgroup h3 {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 1.8px; text-transform: uppercase; color: var(--dim); font-weight: 700;
  border-bottom: 1px solid var(--lineSoft); padding-bottom: 6px; margin-bottom: 11px;
}
.ctlgroup h3 .gi { display: inline-flex; flex-shrink: 0; }
.ctlgroup h3 .live { margin-left: 2px; }
.ctlgroup h3 .logcount { margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--faint); letter-spacing: 0; text-transform: none; font-weight: 400; }

/* custom sliders */
.ctl { margin-bottom: 11px; --acc: var(--cyan); --accDim: var(--cyanDim); --pct: 0; }
.ctl.emph { --acc: var(--amber); --accDim: var(--amberDim); }
.ctl.auto { --acc: var(--good); --accDim: var(--goodDim); }
.ctlhead { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 2px; }
.ctlhead label { font-size: 13px; color: var(--text); display: inline-flex; align-items: center; gap: 5px; }
.ctl .star { font-size: 8px; color: var(--amber); margin-left: 1px; }
.ctl .lock { display: none; align-items: center; }
.ctl.locked .lock { display: inline-flex; }
.ctl .val { font-family: var(--mono); font-size: 12px; color: var(--acc); }
.ctl.locked .val { color: var(--faint); }
.ctl .autotag { display: none; color: var(--good); font-size: 10px; }
.ctl.auto .autotag { display: inline; }
.sl-track { position: relative; height: 20px; margin: 3px 0 1px; display: flex; align-items: center; cursor: ew-resize; touch-action: none; }
.ctl.locked .sl-track, .ctl.auto .sl-track { cursor: not-allowed; }
.ctl.locked .sl-track { opacity: .55; }
.sl-rail { position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%); height: 6px; border-radius: 4px; background: var(--bg2); border: 1px solid var(--line); }
.sl-fill { position: absolute; left: 0; top: 50%; transform: translateY(-50%); height: 6px; width: calc(var(--pct) * 1%); border-radius: 4px; background: linear-gradient(90deg, var(--accDim), var(--acc)); box-shadow: 0 0 10px -2px var(--acc); }
.ctl.locked .sl-fill { box-shadow: none; }
.sl-thumb { position: absolute; left: calc(var(--pct) * 1%); top: 50%; transform: translate(-50%, -50%); width: 15px; height: 15px; border-radius: 50%; background: var(--acc); border: 2.5px solid var(--panel); box-shadow: 0 1px 5px rgba(0,0,0,.55), 0 0 0 1px var(--acc); }
.ctl.locked .sl-thumb { background: var(--faint); box-shadow: 0 1px 5px rgba(0,0,0,.55), 0 0 0 1px var(--line); }

.fieldnote { margin-top: 4px; font-size: 11.5px; }
.fieldnote summary { list-style: none; cursor: pointer; font-size: 11px; color: var(--faint); display: inline-flex; align-items: center; gap: 4px; }
.fieldnote summary:hover { color: var(--cyan); }
.fieldnote[open] summary { color: var(--cyan); }
.fieldnote p { margin: 5px 0 3px; color: var(--dim); border-left: 2px solid var(--line); padding-left: 9px; line-height: 1.5; }
.fieldnote .real { color: var(--cyan); opacity: .9; }

/* carbon toggle */
.carbon-row { display: flex; align-items: center; gap: 9px; margin-top: 12px; cursor: pointer; }
.carbon-box { width: 19px; height: 19px; border-radius: 5px; display: grid; place-items: center; flex-shrink: 0; background: var(--panel2); border: 1.5px solid var(--line); color: var(--bg2); }
.carbon-box svg { opacity: 0; }
.carbon-row.on .carbon-box { background: var(--good); border-color: var(--good); }
.carbon-row.on .carbon-box svg { opacity: 1; }
.carbon-row .cl { font-size: 13px; color: var(--text); }
.carbon-row .cl small { color: var(--faint); font-size: 11.5px; }

/* interventions */
.evgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.evbtn {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 11px 4px; background: var(--panel2); border: 1px solid var(--line);
  border-radius: 9px; color: var(--dim); font-size: 12px;
}
.evbtn:hover { border-color: var(--amberDim); color: var(--text); }
.evbtn.bad:hover { border-color: var(--bad); }
.evbtn.good:hover { border-color: var(--good); }

/* world */
.wgrow { display: flex; align-items: center; gap: 9px; margin-bottom: 8px; }
.wgrow label { width: 48px; color: var(--dim); font-size: 12.5px; }
.wgrow .selwrap { flex: 1; }
.wgrow .selwrap select { width: 100%; padding: 5px 28px 5px 10px; font-size: 12.5px; }
#wg-seed { width: 96px; background: var(--panel2); border: 1px solid var(--line); border-radius: 7px; padding: 5px 8px; font-family: var(--mono); font-size: 12px; color: var(--text); }
#wg-dice { display: grid; place-items: center; width: 30px; height: 29px; background: var(--panel2); border: 1px solid var(--line); border-radius: 7px; color: var(--dim); }
#wg-dice:hover { color: var(--cyan); border-color: var(--cyanDim); }
.wgrow .sl-track { flex: 1; }
#wg-ocean-val { font-family: var(--mono); font-size: 12px; color: var(--cyan); width: 36px; }
.mini-val { font-family: var(--mono); font-size: 12px; color: var(--amber); width: 42px; text-align: right; }

/* planet presets */
.planetgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.planetbtn { padding: 7px 4px; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; color: var(--dim); font-size: 12px; }
.planetbtn:hover { border-color: var(--cyanDim); color: var(--text); }

/* terraform tools */
.toolgrid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-bottom: 11px; }
.toolbtn { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 8px 2px; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; color: var(--dim); font-size: 9.5px; }
.toolbtn:hover { color: var(--text); border-color: var(--cyanDim); }
.toolbtn.active { background: var(--cyan); border-color: var(--cyan); color: var(--bg2); }
.tf-hint { font-size: 11px; color: var(--faint); margin-top: 9px; line-height: 1.45; }
.wgbtns { display: flex; gap: 8px; margin-top: 4px; }
#wg-regen { flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px; background: linear-gradient(180deg, var(--amber), var(--amberDim)); border: 1px solid var(--amberDim); border-radius: 8px; padding: 8px; font-size: 13px; font-weight: 600; color: var(--amberInk); }
#wg-regen:hover { filter: brightness(1.06); }
#wg-reset { flex: 1; background: transparent; border: 1px solid var(--line); border-radius: 8px; padding: 8px; font-size: 13px; color: var(--dim); }
#wg-reset:hover { color: var(--text); }
#wg-share { width: 100%; margin-top: 8px; display: flex; align-items: center; justify-content: center; gap: 6px; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 8px; font-size: 12.5px; color: var(--dim); }
#wg-share:hover { border-color: var(--cyanDim); color: var(--cyan); }
.wc-area { width: 100%; background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-family: var(--mono); font-size: 11px; color: var(--text); resize: vertical; word-break: break-all; }
.wc-area:focus { outline: none; border-color: var(--cyanDim); }

/* ---------- event log ---------------------------------------------------- */
#eventlog { display: flex; flex-direction: column; gap: 6px; max-height: 158px; overflow-y: auto; padding-right: 2px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.logentry { display: flex; gap: 8px; align-items: flex-start; background: var(--panel2); border: 1px solid var(--line); border-left: 3px solid var(--ec); border-radius: 7px; padding: 7px 9px; }
.logentry.fresh { animation: petFlash 1.2s ease; }
.logdot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; margin-top: 4px; background: var(--ec); box-shadow: 0 0 7px var(--ec); }
.logbody { flex: 1; min-width: 0; }
.logmsg { font-size: 12px; color: var(--text); line-height: 1.35; }
.logtime { font-family: var(--mono); font-size: 9.5px; color: var(--faint); margin-top: 2px; letter-spacing: .3px; }

/* ---------- footer ----------------------------------------------------------- */
footer {
  display: flex; align-items: center; gap: 18px; padding: 9px 18px;
  border-top: 1px solid var(--line); background: linear-gradient(180deg, var(--panel), var(--panel2));
  box-shadow: inset 0 -1px 0 var(--inset); font-size: 13px; overflow-x: auto; white-space: nowrap;
}
#timectl { display: flex; gap: 5px; align-items: center; }
.spdbtn { display: grid; place-items: center; width: 32px; height: 30px; border-radius: 7px; background: transparent; border: 1px solid var(--line); color: var(--dim); }
.spdbtn:hover { color: var(--text); }
.spdbtn.active { background: var(--cyan); border-color: var(--cyan); color: var(--bg2); }
#stepbtn { display: grid; place-items: center; height: 30px; padding: 0 9px; background: transparent; border: 1px solid var(--line); border-radius: 7px; color: var(--faint); font-family: var(--mono); font-size: 11px; }
#stepbtn:hover { color: var(--text); border-color: var(--cyanDim); }
footer .statwrap { display: flex; align-items: center; gap: 22px; font-family: var(--mono); }
.stat { display: flex; align-items: center; gap: 7px; }
.stat.date { flex-direction: column; align-items: flex-start; gap: 0; }
.stat.date #st-date { font-size: 12.5px; color: var(--text); }
.stat label { font-size: 9.5px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--faint); }
.stat span { font-size: 13px; }
.dim { color: var(--dim); font-size: 10px; letter-spacing: .5px; }
#st-temp { color: var(--amber); }
#st-ice { color: #bcd8ff; }

/* ---------- modal -------------------------------------------------------------- */
dialog {
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px 26px; max-width: 560px; box-shadow: var(--shadow);
}
dialog::backdrop { background: color-mix(in srgb, var(--bg2) 74%, transparent); backdrop-filter: blur(3px); }
dialog h2 { color: var(--amber); font-size: 19px; margin-bottom: 2px; }
#modal-tag { color: var(--dim); font-size: 12.5px; font-style: italic; margin-bottom: 12px; }
#modal-body { user-select: text; }
#modal-body p { margin-bottom: 10px; color: var(--text); }
#modal-body b { color: var(--cyan); }
#modal-body i { color: var(--warn); font-style: italic; }
#modal-buttons { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
#modal-buttons button { background: var(--panel2); border: 1px solid var(--line); border-radius: 7px; padding: 6px 14px; color: var(--text); }
#modal-buttons button:hover { border-color: var(--cyanDim); }
#modal-buttons button.primary { background: linear-gradient(180deg, var(--amber), var(--amberDim)); border-color: var(--amberDim); color: var(--amberInk); font-weight: 600; }

/* ---------- loading -------------------------------------------------------------------- */
#loading { position: fixed; inset: 0; z-index: 100; background: color-mix(in srgb, var(--bg2) 90%, transparent); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; }
#loading[hidden] { display: none; }
.loadcard { width: 340px; text-align: center; }
.loadhead { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 16px; }
.loadhead .spin { color: var(--cyan); animation: petSpin 1.1s linear infinite; }
.loadtitle { color: var(--dim); letter-spacing: .6px; font-size: 14px; }
.loadtrack { height: 9px; background: var(--panel2); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
#loadbar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--cyan), var(--amber)); transition: width .12s ease; }
#loadlabel { margin-top: 9px; font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* ---------- small screens ------------------------------------------------------------------ */
@media (max-width: 1040px) {
  #mainrow { grid-template-columns: minmax(0, 1fr) 300px; }
  .subtitle, .statusline { display: none; }
}