/*
 * Vote Simulator - styles
 * Copyright (C) 2026 Massena Consulting LLC, Delaware, USA. Licensed under the MIT License (see LICENSE).
 *
 * Study project, provided "AS IS", without warranty of any kind. Massena Consulting LLC is not
 * responsible for errors, inaccuracies or any consequence of using it.
 * Election data: public data from the Brazilian Superior Electoral Court (TSE).
 */
:root {
  --bg: #f6f7f9; --card: #ffffff; --text: #1b2330; --muted: #5b6676;
  --border: #dde1e8; --grid: #e6e9ee; --accent: #2563eb; --accent-text: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161d; --card: #1b212b; --text: #e8ecf2; --muted: #9aa5b5;
    --border: #2d3644; --grid: #2a3340; --accent: #5b8cff; --accent-text: #0b1020;
  }
}
:root[data-theme="dark"] {
  --bg: #12161d; --card: #1b212b; --text: #e8ecf2; --muted: #9aa5b5;
  --border: #2d3644; --grid: #2a3340; --accent: #5b8cff; --accent-text: #0b1020;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { padding: 16px 16px 4px; max-width: 1200px; margin: 0 auto; }
header h1 { margin: 0; font-size: 1.35rem; }
header p { margin: 4px 0 0; color: var(--muted); font-size: .9rem; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.flags { display: flex; align-items: center; gap: 6px; }
.flag { padding: 3px; border: 2px solid transparent; border-radius: 8px; background: none; line-height: 0; cursor: pointer; }
.flag svg { width: 34px; height: 24px; border-radius: 3px; box-shadow: 0 0 0 1px rgba(0, 0, 0, .3); opacity: .55; transition: opacity .15s; }
.flag:hover svg, .flag:focus-visible svg { opacity: 1; }
.flag[aria-pressed="true"] { border-color: var(--accent); }
.flag[aria-pressed="true"] svg { opacity: 1; }
.footer-about { margin: 0 0 8px; }
.modal-open, .modal-open body { overflow: hidden; }
.help { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border); }
.help h3 { margin: 0 0 8px; font-size: .95rem; }
.help dl { margin: 0; }
.help dt { font-weight: 600; font-size: .85rem; margin-top: 8px; }
.help dd { margin: 2px 0 0; font-size: .8rem; color: var(--muted); line-height: 1.4; }
.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
dialog { width: min(780px, calc(100vw - 24px)); max-height: calc(100vh - 24px); padding: 0; border: 1px solid var(--border);
  border-radius: 12px; background: var(--card); color: var(--text); }
dialog[open] { display: flex; flex-direction: column; }
dialog::backdrop { background: rgba(10, 14, 22, .6); }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--border); }
.modal-head h2 { margin: 0; font-size: 1.25rem; }
.modal-body { padding: 6px 20px; overflow-y: auto; overscroll-behavior: contain; }
.modal-body h3 { margin: 18px 0 6px; font-size: 1.05rem; }
.modal-body p, .modal-body li { font-size: .95rem; line-height: 1.55; }
.modal-body p { margin: 8px 0; }
.modal-body ul, .modal-body ol { margin: 6px 0; padding-left: 22px; }
.modal-body li { margin: 4px 0; }
.modal-warn { background: var(--bg); border-left: 4px solid var(--accent); border-radius: 8px; padding: 4px 14px 8px; }
.modal-warn h3 { margin-top: 10px; }
.modal-foot { padding: 12px 20px; border-top: 1px solid var(--border); text-align: right; }
.modal-foot button { min-width: 200px; }
footer { max-width: 1200px; margin: 0 auto; padding: 8px 16px 24px; color: var(--muted); font-size: .85rem; text-align: center; }
footer p { margin: 0; }
.footer-src { margin-top: 4px; font-size: .78rem; }
.footer-src a { color: var(--muted); text-decoration: underline dotted; text-underline-offset: 2px; }
.footer-src a:hover, .footer-src a:focus-visible { color: var(--accent); }
main { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; padding: 16px;
  max-width: 1200px; margin: 0 auto; }
main > *, .stack > .card { min-width: 0; }
.stack > .card { overflow-x: auto; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.card h2 { margin: 0 0 10px; font-size: 1rem; }
label { display: block; font-size: .85rem; color: var(--muted); margin: 10px 0 3px; }
select, input[type=number] { width: 100%; padding: 7px 8px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg); color: var(--text); font: inherit; }
input[type=range] { width: 100%; accent-color: var(--accent); }
.row { display: flex; gap: 8px; }
.row > * { flex: 1; min-width: 0; }
button { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--card); color: var(--text); font: inherit; cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button:hover { filter: brightness(.95); }
button:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.hint { font-size: .8rem; color: var(--muted); margin-top: 6px; }
/* Senators Theory: soft highlighted box */
.theory-box { margin: 14px 0 4px; padding: 10px 12px 12px; border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 8px;
  background: var(--card); background: color-mix(in srgb, var(--accent) 7%, var(--card)); transition: border-color .2s, background .2s; }
.theory-box.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--card)); }
.toggle { margin-top: 10px; width: 100%; text-align: left; position: relative; padding-left: 38px; }
.toggle::before { content: ""; position: absolute; left: 12px; top: 50%; width: 14px; height: 14px; margin-top: -7px; border: 2px solid var(--muted); border-radius: 4px; box-sizing: border-box; }
.toggle[aria-pressed="true"] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, var(--card)); font-weight: 600; }
.toggle[aria-pressed="true"]::before { background: var(--accent); border-color: var(--accent); box-shadow: inset 0 0 0 2px var(--card); }
.theory-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.theory-head label { margin-top: 0; font-weight: 600; }
.theory-box .tag { font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent);
  border-radius: 999px; padding: 1px 8px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 12px; }
.stat { background: var(--bg); border-radius: 8px; padding: 8px 10px; }
.stat b { display: block; font-size: 1.1rem; }
.stat span { font-size: .75rem; color: var(--muted); }
.stat-leader { position: relative; cursor: default; }
.stat-leader:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.stat-tip { display: none; position: absolute; z-index: 20; left: 0; top: calc(100% + 6px); width: 320px; max-width: calc(100vw - 48px);
  padding: 10px 12px; background: var(--card); color: var(--text, inherit); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,.18); font-size: .82rem; }
.stat-leader:hover .stat-tip, .stat-leader:focus .stat-tip, .stat-leader:focus-within .stat-tip { display: block; }
.stat-tip strong { display: block; font-size: .88rem; }
.stat-tip small { display: block; color: var(--muted); font-size: .74rem; margin: 2px 0 6px; }
.tip-row { display: grid; grid-template-columns: 10px 1fr auto auto; gap: 8px; align-items: center; padding: 2px 0; }
.tip-row i { width: 10px; height: 10px; border-radius: 2px; }
.tip-row span { font-size: .8rem; color: inherit; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tip-row b { display: inline; font-size: .82rem; font-variant-numeric: tabular-nums; }
.tip-row em { font-style: normal; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 78px; text-align: right; }
.tip-row.lead span, .tip-row.lead b { font-weight: 700; }
.progress { height: 8px; background: var(--grid); border-radius: 4px; overflow: hidden; margin-bottom: 12px; }
.progress div { height: 100%; width: 0; background: var(--accent); transition: width .3s; }
canvas { width: 100%; height: 300px; display: block; touch-action: pan-y; cursor: crosshair; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 8px 0 0; font-size: .85rem; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--border); }
th:first-child, td:first-child { text-align: left; }
td.bar { width: 28%; }
.barra { height: 10px; border-radius: 3px; min-width: 1px; }
.stack { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.check { display: flex; align-items: center; gap: 6px; margin-top: 10px; font-size: .85rem; color: var(--muted); }
.check input { width: auto; }
.aviso { color: #b45309; font-size: .82rem; margin-top: 6px; }
@media (max-width: 860px) {
  main { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) { .progress div { transition: none; } }