:root {
  --bg-color: #1c1c1c;
  --text-color: #f0f0f0;
  --secondary-color: #2a2a2a;
  --border-color: #444;
  --accent-color: #e53935; /* WarEra red */
  --accent-color-hover: #c62828;
  --positive-color: #66bb6a;
  --negative-color: #ef5350;
  --dark-gray: #b0bec5;
  --dark-green: #81c784;
  --dark-blue: #64b5f6;
  --purple: #ce93d8;
  --gold: #fdd835;
  --th-bg: #333;
  --th-tc: #659dfc;
  --th-active-bg: #444;
  --link-hover-bg: #242424;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 2rem;
}

@media (max-width: 600px) {
  body {
    padding: 1rem;
  }
}

label {
  display: block;
  margin-top: 1rem;
  font-weight: bold;
  white-space: pre;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

input, button, select {
  width: 100%;
  max-width: 220px;
  padding: 0.5rem;
  margin-top: 0.5rem;
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

@media (max-width: 600px) {
  input, button, select {
    max-width: 100%;
    font-size: 0.95rem;
    padding: 0.4rem;
  }
}

input:focus, select:focus, button:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
  border-color: var(--accent-color);
}

button {
  background-color: var(--accent-color);
  color: #fff;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

button:hover,
nav button:hover {
  background-color: var(--accent-color-hover);
  color: #fff;
}

table {
  width: 100%;
  border-collapse: separate;  /* allows spacing between rows */
  border-spacing: 0 0.3rem;  /* vertical spacing between rows */
  margin-top: 2rem;
  background-color: transparent;
  min-width: 600px;
}

.table-responsive {
  overflow-x: auto;
  width: 100%;
}

@media (max-width: 800px) {
  table, th, td {
    font-size: 0.95rem;
    padding: 0.4rem;
  }
  table {
    min-width: 400px;
  }
}

th {
  background-color: var(--th-bg);
  color: var(--th-tc);
  border-bottom: 3px solid var(--accent-color);
  padding: 0.75rem;
  text-align: center;
  border-radius: 0.5rem 0.5rem 0 0;
  transition: background-color 0.2s, color 0.2s;
}

th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 1.5em;
}

th.sortable::after {
  content: '';
  position: absolute;
  right: 0.5em;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8em;
  color: #888;
}

th.sortable.asc {
  background-color: var(--th-active-bg);
}
th.sortable.desc {
  background-color: var(--th-active-bg);
}

th.sortable.asc::after {
  content: '▲';
}
th.sortable.desc::after {
  content: '▼';
}

tbody tr {
  background-color: var(--secondary-color);
  border-radius: 0.5rem;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: background 0.2s, box-shadow 0.2s;
}

tbody tr:hover {
  background-color: var(--link-hover-bg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

td {
  padding: 0.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

td a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

td a:hover,
td a:focus {
  color: #fff;
  text-decoration: underline;
}

.positive {
  color: var(--positive-color);
}

.negative {
  color: var(--negative-color);
}

.dark-gray {
  color: var(--dark-gray);
}

.dark-green {
  color: var(--dark-green);
}

.dark-blue {
  color: var(--dark-blue);
}

.purple {
  color: var(--purple);
}

.gold {
  color: var(--gold);
}

nav {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

nav button {
  margin-right: 1rem;
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
}

.active-nav {
  font-weight: bold;
  background-color: var(--accent-color);
  color: #fff;
  border-radius: 4px;
}

/* Dropdown fix for better theming and arrow */
select {
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.6rem;
  font-family: inherit;
  font-size: 1rem;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=UTF-8,<svg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'><path d='M1 1l5 5 5-5' stroke='%23b0bec5' stroke-width='2' fill='none' fill-rule='evenodd'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1em;
}

/* Visually hidden for accessibility */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  border: 0 !important;
  white-space: nowrap !important;
}

.container canvas {
  max-width: 1500px;
  width: 100%;
  max-height: 843px;
  display: block;
}

/* Font loading improvement if using web fonts */
@font-face {
  font-family: 'Segoe UI';
  font-display: swap;
  /* src: url('your-font-path.woff2') format('woff2'); */
}

.row-flex {
  display: flex;
  align-items: center;   /* vertically center label + input */
  gap: 1rem;             /* space between label and input */
  margin-bottom: 1rem;
}

.row-flex label {
  width: 240px;          /* fixed width for all labels */
  text-align: left;     /* labels align left against input */
  margin-right: 0.5rem;  /* small gap between label and input */
}

.row-flex input {
  width: 80px;           /* optional: consistent input width */
}

fieldset.radiogroup {
  border: 1px solid var(--border-color, #444);
  border-radius: 8px;
  padding: 0.5em 1em 0.7em 1em;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 1.2em;
  height: 100%; /* allow it to grow with contents */
  background: var(--secondary-color, #2a2a2a);
  min-width: 220px; /* optional: set to at least as wide as the select */
}
fieldset.radiogroup legend {
  font-size: 1rem;
  font-weight: bold;
  color: var(--text-color, #f0f0f0);
  padding: 0 0.5em;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-weight: normal; /* not bold */
  font-size: 1rem;
  margin: 0;
}
.radiogroup input[type="radio"] {
  accent-color: var(--accent-color, #e53935);
  margin: 0;
}
@media (max-width: 800px) {
  .row-flex { flex-direction: column; align-items: stretch; gap: 1rem; }
  fieldset.radiogroup { flex-wrap: wrap; min-width: 0; }
}