/* Shared by every page: theme tokens, base layout, inputs panel, result tiles and the site menu */
:root {
  --bg: #eef1f4;
  --surface: #ffffff;
  --fg: #17202a;
  --muted: #5b6672;
  --line: #d6dce3;
  --invest: #0f7b6c;
  --car: #c2410c;
  --car-fill: rgba(194, 65, 12, 0.10);
  --stay: #6d4fc2;
  --focus: #2563eb;
  --btn-bg: #17202a; --btn-fg: #ffffff; --btn-hover: #2e3b48;
  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-data: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1418; --surface: #172026; --fg: #e6ebef; --muted: #93a0ac; --line: #2a353e;
    --invest: #3fcfb4; --car: #fb8a52; --car-fill: rgba(251, 138, 82, 0.12); --stay: #b29cf5; --focus: #7aa7ff;
    --btn-bg: #3fcfb4; --btn-fg: #0f1418; --btn-hover: #6be0c9;
    color-scheme: dark;
  }
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] {
  --bg: #0f1418; --surface: #172026; --fg: #e6ebef; --muted: #93a0ac; --line: #2a353e;
  --invest: #3fcfb4; --car: #fb8a52; --car-fill: rgba(251, 138, 82, 0.12); --stay: #b29cf5; --focus: #7aa7ff;
  --btn-bg: #3fcfb4; --btn-fg: #0f1418; --btn-hover: #6be0c9;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }  /* classes like .btn set display, which would otherwise show hidden elements */
body {
  background: var(--bg); color: var(--fg);
  font: 15px/1.55 var(--font-body);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 20px 48px;
  margin: 0;
}
main { max-width: 1080px; margin: 0 auto; display: grid; gap: 24px; }

/* Site menu: a top bar on phones and touch screens, a left sidebar that expands on hover elsewhere */
.site-nav {
  max-width: 1080px; margin: 0 auto 28px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px;
  padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.site-brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 22px; line-height: 1; color: var(--fg); text-decoration: none; }
.site-brand .nav-label { flex-direction: column; align-items: flex-start; gap: 3px; }
.brand-tagline { font: 500 11px var(--font-body); letter-spacing: 0.02em; color: var(--muted); }
.site-brand:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.site-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.site-menu a, .site-menu .nav-action {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; font-weight: 500; padding: 6px 10px; border-radius: 6px;
  color: var(--fg); text-decoration: none; white-space: nowrap;
}
.site-menu .nav-action { -webkit-appearance: none; appearance: none; border: 0; background: none; cursor: pointer; font-family: var(--font-body); width: 100%; text-align: left; }
.site-menu a:hover, .site-menu .nav-action:hover { background: var(--surface); }
.site-menu a[aria-current="page"] { background: var(--fg); color: var(--bg); }
.site-menu a:focus-visible, .site-menu .nav-action:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.nav-label { display: inline-flex; align-items: center; gap: 6px; }
.nav-icon { display: none; }
.nav-toggle { display: none; }

@media (hover: hover) and (min-width: 700px) {
  :root { --nav-collapsed: 64px; --nav-expanded: 264px; }
  body { padding-left: calc(var(--nav-collapsed) + 24px); transition: padding-left 160ms ease; }
  .site-nav {
    position: fixed; inset: 0 auto 0 0; z-index: 10;
    width: var(--nav-collapsed); max-width: none; margin: 0;
    flex-direction: column; flex-wrap: nowrap; align-items: stretch; justify-content: flex-start; gap: 20px;
    padding: 18px 10px; overflow: hidden;
    background: var(--surface); border-bottom: 0; border-right: 1px solid var(--line);
    transition: width 160ms ease, box-shadow 160ms ease;
  }
  .site-nav:hover, .site-nav:has(:focus-visible) {
    width: var(--nav-expanded);
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.12);
  }
  .site-brand { padding: 4px 6px; }
  .site-menu { flex-direction: column; flex-wrap: nowrap; }
  .site-menu a, .site-menu .nav-action { padding: 9px 11px; }
  .site-menu a:hover, .site-menu .nav-action:hover { background: var(--bg); }
  .site-menu a[aria-current="page"]:hover { background: var(--fg); }
  .nav-icon { display: grid; place-items: center; flex: none; width: 20px; height: 20px; }
  .nav-icon svg { width: 20px; height: 20px; }
  .brand-mark {
    width: 32px; height: 32px; margin-left: -6px; border-radius: 8px;
    background: var(--fg); color: var(--bg);
    font: 600 13px var(--font-data); letter-spacing: 0.02em;
  }
  .site-brand { padding-left: 6px; }
  .nav-label { opacity: 0; transition: opacity 120ms ease; }
  .site-nav:hover .nav-label, .site-nav:has(:focus-visible) .nav-label { opacity: 1; transition-delay: 60ms; }

  /* Keep-open toggle, at the bottom of the sidebar */
  .nav-toggle {
    -webkit-appearance: none; appearance: none;
    display: flex; align-items: center; gap: 12px; margin-top: auto;
    padding: 9px 11px; border: 0; border-radius: 6px; background: none; cursor: pointer;
    font: 500 14px var(--font-body); color: var(--muted); white-space: nowrap; text-align: left;
  }
  .nav-toggle:hover { background: var(--bg); color: var(--fg); }
  .nav-toggle:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
  .nav-toggle .nav-icon svg { transition: transform 160ms ease; }
  :root[data-nav="pinned"] .nav-toggle .nav-icon svg { transform: rotate(180deg); }

  /* Pinned open: the sidebar stays expanded and the page moves over instead of being covered */
  :root[data-nav="pinned"] body { padding-left: calc(var(--nav-expanded) + 24px); }
  :root[data-nav="pinned"] .site-nav { width: var(--nav-expanded); box-shadow: none; }
  :root[data-nav="pinned"] .nav-label { opacity: 1; }
}
/* A pinned sidebar takes 200px more, so stack inputs above results sooner than usual */
@media (hover: hover) and (min-width: 700px) and (max-width: 1100px) {
  :root[data-nav="pinned"] .layout { grid-template-columns: minmax(0, 1fr); }
}
@media (hover: hover) and (min-width: 700px) and (prefers-reduced-motion: reduce) {
  body, .site-nav, .nav-label, .nav-toggle .nav-icon svg { transition: none; }
}

header h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(34px, 6vw, 52px); line-height: 1.05; margin: 0;
  letter-spacing: -0.01em; text-wrap: balance;
}
header p { margin: 8px 0 0; color: var(--muted); max-width: 60ch; }

.layout { display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 800px) { .layout { grid-template-columns: minmax(0, 1fr); } }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.inputs { display: grid; gap: 16px; }
.group-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); padding-top: 4px; border-top: 1px solid var(--line);
}
.group-label:first-child { border-top: 0; padding-top: 0; }
.field { display: grid; gap: 6px; }
.field-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
label { font-size: 14px; font-weight: 500; }
output { font-family: var(--font-data); font-weight: 600; font-size: 14px; }
/* "(€)" after the label of a money input, added by currency.js */
.currency-tag { font-family: var(--font-data); font-size: 12.5px; font-weight: 500; color: var(--muted); }
input[type=number], select, textarea {
  width: 100%; padding: 9px 11px; border-radius: 6px;
  font: 500 16px var(--font-data); color: var(--fg);
  background: var(--bg); border: 1px solid var(--line);
}
select { font-family: var(--font-body); }
input[type=range] { width: 100%; accent-color: var(--fg); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.hint { font-size: 12.5px; color: var(--muted); margin: 0; }
.saved-note a { color: inherit; text-underline-offset: 2px; }
.warn { font-size: 13px; color: var(--car); margin: 0; }
.warn:empty { display: none; }

.results { display: grid; gap: 18px; min-width: 0; }
.futures { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 560px) { .futures { grid-template-columns: minmax(0, 1fr); } }
.future { display: grid; gap: 2px; padding-left: 12px; border-left: 3px solid var(--line); }
.future.invest { border-left-color: var(--invest); }
.future.car { border-left-color: var(--car); }
.future .k { font-size: 12.5px; color: var(--muted); }
.future .v { font-family: var(--font-data); font-size: clamp(18px, 2.4vw, 24px); font-weight: 600; font-variant-numeric: tabular-nums; }
.future.invest .v { color: var(--invest); }
.future.car .v { color: var(--car); }

.chart-wrap { position: relative; height: 380px; }
@media (max-width: 560px) { .chart-wrap { height: 300px; } }
.verdict { margin: 0; font-size: 15px; max-width: 65ch; }
.verdict strong { font-family: var(--font-data); font-weight: 600; }
.assumptions { margin: 0; font-size: 12.5px; color: var(--muted); max-width: 70ch; }

/* Ask AI panel */
.advisor { display: grid; gap: 12px; }
.advisor-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.advisor h2 { font-family: var(--font-display); font-weight: 400; font-size: 28px; margin: 0; line-height: 1.1; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.model-field { flex: 1 1 100%; display: flex; align-items: center; gap: 10px; max-width: 460px; min-width: 0; }
.model-field select { flex: 1; min-width: 0; padding: 9px 11px; font-size: 14px; }
.model-field select:disabled { opacity: 0.7; }
.btn {
  -webkit-appearance: none; appearance: none;
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 15px var(--font-body); line-height: 1; padding: 12px 20px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--btn-bg); background: var(--btn-bg); color: var(--btn-fg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
  transition: background-color 120ms, transform 60ms;
}
.btn:hover { background: var(--btn-hover); border-color: var(--btn-hover); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: transparent; color: var(--fg); border-color: var(--line); box-shadow: none; }
.btn.secondary:hover { border-color: var(--muted); }
.btn:disabled { cursor: progress; opacity: 0.7; }
.btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.btn-icon { font-size: 16px; line-height: 1; }
.status { font-size: 13px; color: var(--muted); margin: 0; }
.advisor .hint a { color: inherit; text-underline-offset: 2px; }
.advisor .hint a:hover { color: var(--fg); }
.answer {
  margin: 0; white-space: pre-wrap; max-width: 68ch; font-size: 15px; line-height: 1.6;
  border-left: 3px solid var(--line); padding-left: 14px;
}
.answer:empty { display: none; }
.answer.stale { opacity: 0.55; }
@media (prefers-reduced-motion: no-preference) {
  .thinking::after { content: ""; animation: dots 1.2s steps(4) infinite; }
  @keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }
}

/* AI log entries (AI history page and Admin page), drawn by ai-log-view.js */
.ai-log { display: grid; border-top: 1px solid var(--line); }
.log-entry { border-bottom: 1px solid var(--line); }
.log-summary {
  display: grid; grid-template-columns: 150px 90px minmax(0, 1fr) auto 80px; gap: 12px; align-items: center;
  padding: 11px 4px; cursor: pointer; font-size: 14px; list-style: none;
}
.log-summary::-webkit-details-marker { display: none; }
.log-summary:hover { background: var(--bg); }
.log-summary:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
@media (max-width: 640px) {
  .log-summary { grid-template-columns: minmax(0, 1fr) auto; }
  .log-summary .log-page, .log-summary .log-model { display: none; }
}
.log-when { color: var(--muted); font-size: 13px; white-space: nowrap; }
.log-model { font-family: var(--font-data); font-size: 12.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-cost { font-family: var(--font-data); font-size: 13px; text-align: right; font-variant-numeric: tabular-nums; }
.log-status { font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; justify-self: start; }
.log-status.completed { color: var(--invest); }
.log-status.cut_short, .log-status.stopped, .log-status.running { color: var(--muted); }
.log-status.refused, .log-status.error { color: var(--car); }
.log-body { display: grid; gap: 16px; padding: 4px 4px 18px; }
.log-section h3 { margin: 0 0 6px; font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.log-answer, .log-context { margin: 0; white-space: pre-wrap; line-height: 1.6; max-width: 72ch; font-size: 14.5px; }
.log-context { color: var(--muted); }
.log-empty { margin: 0; color: var(--muted); font-style: italic; font-size: 13.5px; }
.log-error { margin: 0 0 6px; color: var(--car); font-size: 13.5px; }
.log-meta { margin: 0; color: var(--muted); font-size: 12px; font-family: var(--font-data); }
.log-inputs { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 3px 16px; margin: 0; font-size: 13.5px; }
.log-inputs dt { color: var(--muted); }
.log-inputs dd { margin: 0; font-family: var(--font-data); font-size: 13px; }
.log-inputs dd .log-inputs { font-size: 12.5px; padding: 4px 0 6px; }
.log-inputs ul { margin: 0; padding-left: 16px; }