:root {
  --color-primary: #00F0FF;
  --color-primary-dark: #00A2B8;
  --color-background: #0A1E28;
  --color-surface: #131F26;
  --color-text: #FFFFFF;
  --color-text-muted: #BFD9DF;
  --color-deep-bg: #080D11;
  --color-dot: rgba(0, 242, 255, 0.5);
  --color-warn: #FFB74D;
  --color-error: #FF5252;
}

body.light {
  --color-primary: #007C91;
  --color-primary-dark: #005E6E;
  --color-background: #F4F8FA;
  --color-surface: #FFFFFF;
  --color-text: #1B2A30;
  --color-text-muted: #4D6A76;
  --color-deep-bg: #D9E6EC;
  --color-dot: rgba(0, 124, 145, 0.5);
  --color-warn: #FFA726;
  --color-error: #E53935;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  color: var(--color-text);
  background-color: var(--color-background);
  background-image: radial-gradient(var(--color-dot) 1px, transparent 1px);
  background-size: 30px 30px;
  transition: background 0.3s, color 0.3s;
  padding-top: 100px;
  padding-bottom: 40px;
}

header {
  background-color: var(--color-surface);
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-primary);
  position: relative;
}

#main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-primary);
  padding-top: 10px;
  padding-bottom: 10px;
}

#main-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-primary-dark);
  z-index: 999;
  height: 36px;
  font-size: 12px;
}

.footer-tools {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

#last-update {
  margin-right: 8px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.theme-toggle.small {
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 6px;
  background-color: var(--color-primary);
  color: var(--color-deep-bg);
  border: none;
  cursor: pointer;
  transition: background-color 0.3s;
}

.theme-toggle.small:hover {
  background-color: var(--color-primary-dark);
}

.header-content {
  display: flex;
  justify-content: center;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

.header-left-fixed {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 220px;
  min-width: 230px;
}

.header-left-fixed p {
  white-space: nowrap;
}


.header-right-flex {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-grow: 1;
}

.logo {
  height: 70px;
  width: auto;
  display: none;
}

body:not(.light) .logo-dark {
  display: block;
}

body.light .logo-light {
  display: block;
}

h1 {
  color: var(--color-primary);
  margin: 0;
  font-size: 28px;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 20px;
  background-color: var(--color-surface);
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.container h2 {
  margin-top: 0;
  margin-bottom: 12px;
}

p {
  color: var(--color-text-muted);
}

button {
  background-color: var(--color-primary-dark);
  color: var(--color-deep-bg);
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: var(--color-primary-dark);

}

#api-info pre {
  background-color: var(--color-deep-bg);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-text);
}

.pool-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
  justify-content: flex-start;
}

.pool-card {
  flex: 1 1 300px;
  max-width: 240px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-primary-dark);
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pool-card h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.pool-card p {
  margin: 4px 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.pool-card .btn {
  margin-top: 10px;
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-deep-bg);
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s;
  width: fit-content;
}

.pool-card .btn:hover {
  background-color: var(--color-primary-dark);
}

.update-icon {
  display: inline-block;
  transition: transform 0.3s;
  cursor: pointer;
  color: inherit;
}

.update-icon.loading {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.update-text {
  color: var(--color-text-muted);
}

.update-text.warn {
  color: var(--color-warn);
}

.update-text.error {
  color: var(--color-error);
}

.update-icon.error {
  color: var(--color-error);
}

.footer-note {
  position: fixed;
  bottom: 38px; /* výška footeru (36px) + mezera */
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 11px;
  color: var(--color-text-muted);
  pointer-events: none;
  z-index: 998;
}

.coin-info {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
  text-decoration: none;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.coin-info:hover {
  color: var(--color-text); /* lehké zvýraznění po najetí */
}

.coin-info img {
  pointer-events: none; /* kliknutí registruje jen <a> */
}

.coin-logo {
  height: 24px;
  width: auto;
  border-radius: 4px;
}

.main-nav {
  display: flex;
  gap: 10px;
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background-color 0.2s, color 0.2s;
}

.nav-link:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-text);
}

.nav-link.active {
  background-color: var(--color-primary-dark);
  color: var(--color-text);
}

.two-column {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.info-box {
  flex: 1 1 400px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-primary-dark);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.05);
}

.info-box h2 {
  margin-top: 0;
  color: var(--color-primary);
}

.info-box p {
  margin: 6px 0;
  color: var(--color-text-muted);
  font-size: 15px;
}


#miner-data span {
  transition: color 0.3s, background-color 0.3s;
}

.tab-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

/* Sjednocení vzhledu tlačítek tabů */
.tab-btn {
  display: inline-block;
  padding: 8px 16px;
  margin: 0 4px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.tab-btn:hover {
  background-color: var(--accent-color);
  color: var(--text-on-accent);
}

.tab-btn.active {
  background-color: var(--accent-color);
  color: var(--text-on-accent);
  border-color: var(--accent-color);
}
.pagination {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  justify-content: center; /* zarovnání na střed */
  font-size: 13px;
}

.pagination .page-btn {
  min-width: 28px;
  height: 26px;
  padding: 2px 6px;
  border-radius: 4px;
  background-color: var(--color-primary);
  color: var(--color-deep-bg);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.pagination .page-btn:hover {
  background-color: var(--color-primary-dark);
}

.pagination .page-btn.active {
  background-color: var(--color-primary-dark);
  color: var(--color-text);
}



.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.info-table th {
  text-align: left;
  font-weight: normal;
  padding: 8px 12px;
  color: var(--color-text-muted);
  background-color: var(--color-bg);
  width: 200px;
}

.info-table td {
  padding: 8px 12px;
  background-color: var(--color-surface);
  color: var(--color-text);
}

.info-table a {
  color: var(--color-primary);
  text-decoration: none;
}

.info-table a:hover {
  text-decoration: none;
}
.updating {
  opacity: 0.8;
  pointer-events: none;
}

.pool-card.updating {
  opacity: 0.8;
  pointer-events: none;
}

/* Mobilní oprava: Kontejnery mohou scrollovat, když je obsah moc široký */
@media (max-width: 768px) {
  .container {
    overflow-x: auto;
  }

  .container > .two-column,
  .container > .info-box,
  .container > table {
    min-width: 400px; /* nebo víc podle potřeb */
  }
}


/* --- Tables: match tab look (no rounding, same weight/size) --- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;        /* stejné jako .nav-link */
  line-height: 1.25;
}


thead th {
  padding: 10px 14px;
  font-weight: normal;
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-primary-dark);
  border-bottom: 2px solid var(--color-primary);
}

tbody td {
  padding: 10px 14px;
  color: var(--color-text);
  border-bottom: 1px solid rgba(0, 240, 255, 0.15); /* jemnější dělení řádků */
  white-space: nowrap;
}

/* jemnější hover, aby to nerušilo */
tbody tr:hover {

/*  background-color: rgba(0, 162, 184, 0.12); /* probarví celý řádek */
/*  background-color: var(--color-surface);*/
  background-color: var(--color-deep-bg);
  color: var(--color-text);
}
tbody th:hover {
/*  background-color: rgba(0, 162, 184, 0.12); /* probarví celý řádek */
/*  background-color: var(--color-surface);*/
  background-color: var(--color-deep-bg);
  color: var(--color-text);
}

tbody tr:hover td {
/*  background-color: rgba(0, 162, 184, 0.12); /* probarví celý řádek */
  background-color: var(--color-deep-bg);
}


/* odkazy v buňkách a při hoveru zůstanou čitelné */
tbody tr td a { color: var(--color-primary); }
tbody tr:hover td a { color: var(--color-text); }