* { box-sizing: border-box; }

:root,
[data-theme="dark"] {
  --bg: #0b1220;
  --text: #e9eefb;
  --muted: #a8b3d6;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --input-bg: rgba(0, 0, 0, 0.25);
  --input-border: rgba(255, 255, 255, 0.14);
  --btn-secondary: rgba(255, 255, 255, 0.08);
  --link: #93c5fd;
  --table-head: rgba(255, 255, 255, 0.06);
  --table-row-alt: rgba(255, 255, 255, 0.02);
  --table-border: rgba(255, 255, 255, 0.08);
}

[data-theme="light"] {
  --bg: #f1f5f9;
  --text: #0a1628;
  /* Korábbi szürke helyett sötétkék — címkék, táblafej, segédszöveg, téma gombok */
  --muted: #0c2744;
  --card-bg: #ffffff;
  --card-border: #c7d2e0;
  --input-bg: #f8fafc;
  --input-border: #7eb8e8;
  --btn-secondary: #dbeafe;
  --link: #1d4ed8;
  --table-head: #e2eef8;
  --table-row-alt: #f4f8fc;
  --table-border: #c5d4e8;
}

html.auth-checking body {
  visibility: hidden;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.2s ease, color 0.2s ease;
}

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

.auth-form { max-width: 420px; margin: 0 auto; }
.auth-form label { display: block; margin-bottom: 12px; }
.auth-form label span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
}
.auth-error { color: #f87171; font-size: 14px; margin-top: 8px; }
.auth-links { margin-top: 16px; font-size: 14px; color: var(--muted); }
.auth-links a { color: var(--link); }

.view-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.view-tab {
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
.view-tab:hover {
  border-color: var(--link);
  color: var(--text);
}
.view-tab.active {
  background: #3b82f6;
  color: #fff;
  border-color: #2563eb;
  font-weight: 600;
}
[data-theme="light"] .view-tab.active {
  color: #fff;
}
.view-panel[hidden] {
  display: none !important;
}

.forward-grid {
  grid-template-columns: 1.2fr 1fr 1fr auto;
  align-items: end;
}

#viewForward .card:has(#chartForward) {
  min-height: 420px;
}
#chartForward {
  display: block;
  width: 100% !important;
  min-height: 360px;
}
@media (max-width: 900px) {
  .forward-grid { grid-template-columns: 1fr; }
}
.header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
h1 { margin: 0; font-size: 22px; }
.muted { color: var(--muted); font-size: 13px; }
.right { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }

.theme-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.theme-row label { font-size: 12px; color: var(--muted); }
.theme-toggle {
  display: inline-flex;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  overflow: hidden;
  background: var(--input-bg);
}
.theme-toggle button {
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
}
.theme-toggle button.active {
  background: var(--btn-secondary);
  color: var(--text);
  font-weight: 600;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}
.grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 12px;
  align-items: end;
}
.instrument-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  align-items: end;
}
label span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
select, input {
  width: 100%;
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
}

/* Sötét téma: legördülő világosabb panel + sötétkék szöveg (jobb kontraszt) */
[data-theme="dark"] select {
  color-scheme: light;
  background: #d5e4f7;
  color: #0c2744;
  border-color: rgba(96, 165, 250, 0.5);
}
[data-theme="dark"] select option,
[data-theme="dark"] select optgroup {
  background-color: #e8f1fb;
  color: #0c2744;
}

/* Világos téma: legördülő és mezők — sötétkék szöveg, erősebb keret */
[data-theme="light"] select,
[data-theme="light"] input[type="text"],
[data-theme="light"] input[type="date"] {
  color-scheme: light;
  color: #0c2744;
  background: #ffffff;
  border-color: #5b9bd5;
}
[data-theme="light"] select option,
[data-theme="light"] select optgroup {
  background-color: #ffffff;
  color: #0c2744;
}
[data-theme="light"] button.secondary {
  color: #0c2744;
  border-color: #5b9bd5;
  background: #dbeafe;
  font-weight: 600;
}
[data-theme="light"] .table-toolbar h2,
[data-theme="light"] .spread-section__title {
  color: #0c2744;
}
[data-theme="light"] table.data td.cell-filled {
  color: #1d4ed8;
}

.buttons { display: flex; gap: 8px; flex-wrap: wrap; }
button.range-active,
button.secondary.range-active {
  border: 2px solid #3b82f6;
  box-shadow: 0 0 0 1px #3b82f6;
  font-weight: 600;
}
[data-theme="light"] button.range-active,
[data-theme="light"] button.secondary.range-active {
  border-color: #2563eb;
  box-shadow: 0 0 0 1px #2563eb;
}
button {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: #3b82f6;
  color: white;
  cursor: pointer;
}
button.secondary { background: var(--btn-secondary); color: var(--text); }
button:disabled { opacity: 0.6; cursor: not-allowed; }
.checkbox { grid-column: 1 / -1; display: flex; gap: 10px; align-items: center; margin-top: 6px; }
.checkbox input { width: 18px; height: 18px; }

.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.table-toolbar h2 { margin: 0; font-size: 16px; font-weight: 600; }
.table-toolbar--stack {
  flex-direction: column;
  align-items: stretch;
}
.table-hint {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.45;
  max-width: 720px;
}
table.data td.cell-filled {
  font-style: italic;
  color: var(--muted);
}

.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--table-border); }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data th,
table.data td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--table-border);
}
table.data th {
  background: var(--table-head);
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}
table.data tbody tr:nth-child(even) { background: var(--table-row-alt); }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }

.spread-section__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
}
.spread-summary { margin-top: 4px; }
table.data.spread-pairs { margin-top: 8px; max-width: 920px; }
table.data.spread-pairs th:first-child,
table.data.spread-pairs td:first-child {
  white-space: normal;
  max-width: 280px;
}

a { color: var(--link); }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .instrument-row { grid-template-columns: 1fr; }
}