:root {
  --steam-bg: #0e141b;
  --steam-nav: #171a21;
  --steam-panel: #16202d;
  --steam-panel-strong: #1b2838;
  --steam-line: #2a475e;
  --steam-text: #c7d5e0;
  --steam-muted: #8f98a0;
  --steam-blue: #66c0f4;
  --steam-blue-strong: #1a9fff;
  --steam-green: #a4d007;
  --steam-danger: #d86a6a;
  --steam-shadow: rgba(0, 0, 0, 0.35);
}

html {
  min-height: 100%;
  font-size: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--steam-text);
  background:
    linear-gradient(180deg, #1b2838 0, var(--steam-bg) 280px),
    var(--steam-bg);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: var(--steam-blue);
}

a:hover {
  color: #9bd8ff;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  background: var(--steam-nav);
  box-shadow: 0 2px 14px var(--steam-shadow);
}

.app-container {
  width: min(100% - 32px, 1140px);
  margin-inline: auto;
}

.app-navbar {
  display: flex;
  align-items: center;
  min-height: 64px;
  padding: 0;
}

.app-nav-container {
  display: flex;
  align-items: center;
  gap: 28px;
}

.app-brand {
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0;
}

.app-brand:hover,
.app-brand:focus {
  color: #ffffff;
}

.app-nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-nav-menu {
  display: flex;
  align-items: center;
}

.app-nav-link {
  display: block;
  min-width: 104px;
  padding: 10px 18px;
  color: var(--steam-text);
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  border-radius: 2px;
}

.app-nav-link:hover,
.app-nav-link:focus {
  color: #ffffff;
  background: rgba(102, 192, 244, 0.14);
}

.app-nav-link.active {
  color: #ffffff;
  background: linear-gradient(90deg, #06a4eb, #66c0f4);
}

.app-nav-toggle {
  display: none;
  width: 44px;
  height: 40px;
  margin-left: auto;
  padding: 0;
  color: var(--steam-text);
  background: transparent;
  border: 1px solid var(--steam-line);
  border-radius: 4px;
}

.app-nav-toggle-icon {
  display: block;
  width: 28px;
  height: 28px;
  margin: 5px auto;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23c7d5e0' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 28px 28px;
}

.app-page {
  min-height: calc(100vh - 112px);
}

.app-main {
  padding-top: 34px;
  padding-bottom: 48px;
}

.app-footer {
  min-height: 48px;
  color: var(--steam-muted);
  background: #0b1016;
}

.app-footer .app-container {
  padding-top: 14px;
  padding-bottom: 14px;
}

body.has-loading-overlay {
  overflow: hidden;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  gap: 14px;
  color: #ffffff;
  font-weight: 700;
  background: rgba(14, 20, 27, 0.72);
  backdrop-filter: blur(4px);
}

.loading-overlay[hidden] {
  display: none;
}

.loading-spinner {
  width: 58px;
  height: 58px;
  border: 5px solid rgba(199, 213, 224, 0.18);
  border-top-color: var(--steam-blue);
  border-right-color: var(--steam-green);
  border-radius: 50%;
  animation: loading-spin 0.75s linear infinite;
}

.loading-overlay span {
  padding: 8px 14px;
  color: var(--steam-text);
  background: rgba(14, 20, 27, 0.84);
  border: 1px solid rgba(102, 192, 244, 0.24);
  border-radius: 4px;
  box-shadow: 0 12px 30px var(--steam-shadow);
}

@keyframes loading-spin {
  to {
    transform: rotate(360deg);
  }
}

.tool-view[hidden] {
  display: none;
}

.comparer-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.section-kicker {
  margin: 0 0 4px;
  color: var(--steam-blue);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.comparer-heading h1 {
  margin: 0;
  color: #ffffff;
  font-size: 3rem;
  line-height: 1;
}

.compare-summary {
  display: grid;
  min-width: 120px;
  padding: 12px 18px;
  color: #0e141b;
  text-align: center;
  background: var(--steam-green);
  border-radius: 4px;
  box-shadow: 0 10px 28px var(--steam-shadow);
}

.compare-summary span {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

.compare-summary small {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.compare-form {
  padding: 18px;
  background: rgba(14, 20, 27, 0.64);
  border: 1px solid rgba(102, 192, 244, 0.16);
  border-radius: 8px;
  box-shadow: 0 20px 50px var(--steam-shadow);
}

.compare-inputs {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
}

.compare-panel,
.result-panel {
  background: linear-gradient(180deg, var(--steam-panel-strong), var(--steam-panel));
  border: 1px solid rgba(102, 192, 244, 0.18);
  border-radius: 8px;
}

.compare-panel {
  display: flex;
  min-height: 365px;
  padding: 18px;
  flex-direction: column;
  gap: 14px;
}

.panel-heading,
.result-heading,
.result-column-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-heading label,
.panel-heading span:first-child,
.source-panel label {
  color: #ffffff;
  font-weight: 700;
}

.panel-heading span:last-child,
.result-column-heading span,
.result-heading span {
  min-width: 34px;
  padding: 2px 8px;
  color: var(--steam-blue);
  text-align: center;
  background: rgba(102, 192, 244, 0.1);
  border: 1px solid rgba(102, 192, 244, 0.18);
  border-radius: 4px;
}

.game-textarea,
.source-input {
  width: 100%;
  color: #ffffff;
  background: #0e141b;
  border: 1px solid var(--steam-line);
  border-radius: 4px;
  outline: none;
}

.game-textarea {
  min-height: 278px;
  padding: 14px;
  resize: vertical;
}

.game-textarea.secondary {
  min-height: 184px;
}

.source-input {
  height: 46px;
  padding: 0 14px;
}

.game-textarea::placeholder,
.source-input::placeholder {
  color: #647789;
}

.game-textarea:focus,
.source-input:focus {
  border-color: var(--steam-blue);
  box-shadow: 0 0 0 3px rgba(102, 192, 244, 0.18);
}

.game-textarea[readonly] {
  color: var(--steam-text);
}

.mode-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.mode-picker label {
  position: relative;
  margin: 0;
}

.mode-picker input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.mode-picker span {
  display: block;
  min-height: 44px;
  padding: 11px 12px;
  color: var(--steam-text);
  text-align: center;
  background: #0f1924;
  border: 1px solid var(--steam-line);
  border-radius: 4px;
}

.mode-picker input:checked + span {
  color: #ffffff;
  background: #2a475e;
  border-color: var(--steam-blue);
}

.mode-picker input:focus-visible + span {
  box-shadow: 0 0 0 3px rgba(102, 192, 244, 0.24);
}

.export-format-picker {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.source-panel {
  display: grid;
  gap: 8px;
}

.custom-template-textarea {
  min-height: 136px;
  font-family: Consolas, "Courier New", monospace;
}

.is-hidden {
  display: none;
}

.compare-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
}

.compare-action-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-line {
  min-height: 24px;
  margin: 0;
  color: var(--steam-muted);
}

.status-line.is-error {
  color: var(--steam-danger);
}

.status-line.is-success {
  color: var(--steam-green);
}

.compare-button {
  min-width: 136px;
  min-height: 44px;
  color: #ffffff;
  font-weight: 700;
  background: linear-gradient(90deg, #75b022, #a4d007);
  border: 0;
  border-radius: 4px;
}

.compare-button:hover,
.compare-button:focus {
  background: linear-gradient(90deg, #8bc53f, #b8e51b);
}

.compare-button:disabled {
  color: #6b7885;
  background: #243241;
}

.secondary-button {
  min-width: 112px;
  min-height: 44px;
  color: #ffffff;
  font-weight: 700;
  background: #2a475e;
  border: 1px solid rgba(102, 192, 244, 0.42);
  border-radius: 4px;
}

.secondary-button:hover,
.secondary-button:focus {
  background: #345a77;
}

.secondary-button:disabled {
  color: #6b7885;
  background: #243241;
  border-color: rgba(102, 192, 244, 0.16);
}

.share-dialog {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(14, 20, 27, 0.76);
  backdrop-filter: blur(4px);
}

.share-dialog[hidden] {
  display: none;
}

.share-dialog-panel {
  width: min(100%, 560px);
  padding: 18px;
  color: var(--steam-text);
  background: linear-gradient(180deg, var(--steam-panel-strong), var(--steam-panel));
  border: 1px solid rgba(102, 192, 244, 0.24);
  border-radius: 8px;
  box-shadow: 0 24px 70px var(--steam-shadow);
}

.share-dialog-heading,
.share-preview-heading,
.share-url-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.share-dialog-heading {
  margin-bottom: 14px;
}

.share-dialog-heading h2 {
  margin: 0;
  color: #ffffff;
  font-size: 1.25rem;
}

.icon-button {
  width: 36px;
  height: 36px;
  color: var(--steam-text);
  font-size: 1.4rem;
  line-height: 1;
  background: #0f1924;
  border: 1px solid var(--steam-line);
  border-radius: 4px;
}

.icon-button:hover,
.icon-button:focus {
  color: #ffffff;
  border-color: var(--steam-blue);
}

.share-dialog label,
.share-preview-heading span:first-child {
  color: #ffffff;
  font-weight: 700;
}

.share-url-row {
  margin-top: 8px;
}

.share-url-row .source-input {
  min-width: 0;
}

.share-preview-block {
  margin-top: 16px;
  overflow: hidden;
  border: 1px solid rgba(102, 192, 244, 0.18);
  border-radius: 6px;
}

.share-preview-heading {
  padding: 10px 12px;
  background: rgba(42, 71, 94, 0.52);
  border-bottom: 1px solid rgba(102, 192, 244, 0.14);
}

.share-preview-heading span:last-child {
  color: var(--steam-blue);
  font-size: 0.88rem;
}

.share-preview {
  min-height: 96px;
  max-height: 230px;
  margin: 0;
  padding: 12px;
  overflow: auto;
  color: var(--steam-text);
  background: rgba(14, 20, 27, 0.74);
  font: inherit;
  line-height: 1.45;
  white-space: pre-wrap;
}

.share-expiry-notice {
  margin: 14px 0 0;
  color: var(--steam-muted);
}

.result-panel {
  margin-top: 22px;
  padding: 18px;
}

.result-heading {
  margin-bottom: 14px;
}

.result-heading h2 {
  margin: 0;
  color: #ffffff;
  font-size: 1.25rem;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.result-column {
  min-height: 220px;
  overflow: hidden;
  background: rgba(14, 20, 27, 0.74);
  border: 1px solid rgba(102, 192, 244, 0.14);
  border-radius: 6px;
}

.result-column-heading {
  padding: 12px;
  background: rgba(42, 71, 94, 0.52);
  border-bottom: 1px solid rgba(102, 192, 244, 0.14);
}

.result-column-heading h3 {
  min-width: 0;
  margin: 0;
  color: #ffffff;
  font-size: 0.92rem;
}

.result-column-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
}

.result-link-button {
  width: 72px;
  min-height: 28px;
  padding: 4px 6px;
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 700;
  background: #2a475e;
  border: 1px solid rgba(102, 192, 244, 0.42);
  border-radius: 4px;
}

.result-link-button:hover,
.result-link-button:focus {
  background: #345a77;
  border-color: var(--steam-blue);
}

.result-link-button:disabled {
  color: #6b7885;
  background: #243241;
  border-color: rgba(102, 192, 244, 0.16);
}

.result-link-button[data-state="linked"] {
  color: #d8f29a;
  background: rgba(75, 105, 25, 0.54);
  border-color: rgba(164, 208, 7, 0.4);
}

.result-list {
  min-height: 160px;
  max-height: 430px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}

.result-list li {
  padding: 9px 12px;
  color: var(--steam-text);
  border-bottom: 1px solid rgba(102, 192, 244, 0.08);
}

.result-list li:last-child {
  border-bottom: 0;
}

.result-list a {
  overflow-wrap: anywhere;
  text-decoration: none;
}

.export-output {
  min-height: 190px;
  margin-bottom: 14px;
  font-family: Consolas, "Courier New", monospace;
}

.export-result-grid {
  grid-template-columns: minmax(0, 1fr);
}

.visit-count-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(88px, max-content);
  overflow: hidden;
  border: 1px solid rgba(102, 192, 244, 0.14);
  border-radius: 4px;
}

.visit-count-grid > div {
  min-width: 0;
  padding: 11px 14px;
  overflow-wrap: anywhere;
  border-bottom: 1px solid rgba(102, 192, 244, 0.12);
}

.visit-count-grid > div:nth-child(2n) {
  text-align: right;
}

.visit-count-grid > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.visit-count-header {
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(14, 20, 27, 0.34);
}

.visit-count-empty {
  margin: 0;
  color: var(--steam-muted);
}

.result-left .result-list li:not(.empty-row) {
  background: rgba(216, 106, 106, 0.12);
}

.result-both .result-list li:not(.empty-row) {
  background: rgba(164, 208, 7, 0.1);
}

.result-right .result-list li:not(.empty-row) {
  background: rgba(102, 192, 244, 0.1);
}

.empty-row {
  color: var(--steam-muted);
  font-style: italic;
}

@media (max-width: 767.98px) {
  .app-main {
    padding-top: 22px;
  }

  .app-navbar {
    padding: 10px 0;
  }

  .app-nav-container {
    flex-wrap: wrap;
    gap: 10px;
  }

  .app-nav-toggle {
    display: block;
  }

  .app-nav-menu {
    display: none;
    width: 100%;
  }

  .app-nav-menu.is-open {
    display: block;
  }

  .app-nav-links {
    display: grid;
    padding-top: 12px;
  }

  .app-nav-link {
    min-width: 100%;
    text-align: left;
  }

  .comparer-heading,
  .compare-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .compare-action-buttons,
  .share-url-row {
    align-items: stretch;
    flex-direction: column;
  }

  .comparer-heading h1 {
    font-size: 2rem;
  }

  .compare-summary {
    width: 100%;
  }

  .compare-inputs,
  .result-grid,
  .export-result-grid,
  .mode-picker {
    grid-template-columns: 1fr;
  }

  .compare-form,
  .compare-panel,
  .result-panel {
    padding: 14px;
  }

  .compare-panel {
    min-height: 0;
  }

  .compare-button,
  .secondary-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .loading-spinner {
    animation: none;
  }
}