:root {
  --blue: rgb(42, 57, 144);
  --blue-soft: rgba(42, 57, 144, 0.1);
  --border: #dfe1e5;
  --text: #202124;
  --muted: #5f6368;
  --scroll-track: #f3f5f8;
  --scroll-thumb: rgba(120, 126, 134, 0.42);
  --scroll-thumb-hover: rgba(108, 114, 122, 0.62);
  --card-height: 16rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #ffffff;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

@supports not selector(::-webkit-scrollbar) {
  html,
  body,
  #query-input,
  .result-statement {
    scrollbar-width: thin;
    scrollbar-color: var(--scroll-thumb) transparent;
  }
}

html::-webkit-scrollbar,
body::-webkit-scrollbar,
#query-input::-webkit-scrollbar,
.result-statement::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track,
#query-input::-webkit-scrollbar-track,
.result-statement::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 999px;
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb,
#query-input::-webkit-scrollbar-thumb,
.result-statement::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border: none;
  border-radius: 999px;
}

html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover,
#query-input::-webkit-scrollbar-thumb:hover,
.result-statement::-webkit-scrollbar-thumb:hover {
  background: var(--scroll-thumb-hover);
}

html::-webkit-scrollbar-button,
body::-webkit-scrollbar-button,
#query-input::-webkit-scrollbar-button,
.result-statement::-webkit-scrollbar-button {
  -webkit-appearance: none;
  display: none;
  width: 0;
  height: 0;
  background: transparent;
}

#query-input::-webkit-scrollbar-button:single-button,
.result-statement::-webkit-scrollbar-button:single-button,
#query-input::-webkit-scrollbar-button:start:decrement,
#query-input::-webkit-scrollbar-button:end:increment,
.result-statement::-webkit-scrollbar-button:start:decrement,
.result-statement::-webkit-scrollbar-button:end:increment {
  -webkit-appearance: none;
  display: none;
  width: 0;
  height: 0;
  background: transparent;
}

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
  padding: 0 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-main {
  width: 100%;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-shell.has-results .page-main {
  justify-content: flex-start;
  padding-top: 2.5rem;
}

.search-shell {
  width: 100%;
  max-width: 760px;
  transform: translateY(-3.25rem);
}

.page-shell.has-results .search-shell {
  transform: none;
}

.brand {
  margin: 0 0 1.5rem;
  color: var(--blue);
  text-align: center;
  font-size: clamp(3rem, 9vw, 5rem);
  line-height: 0.92;
}

#logo-preview {
  font-family: "Belleza", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-weight: 400;
}

.search-form {
  width: 100%;
  position: relative;
}

.search-bar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  width: 100%;
  min-height: 4.35rem;
  padding: 0.8rem 0.85rem 0.65rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: 1.6rem;
  background: #ffffff;
  box-shadow: 0 1px 6px rgba(32, 33, 36, 0.14);
  overflow: hidden;
}

.search-bar:focus-within {
  border-color: rgba(42, 57, 144, 0.18);
  box-shadow: 0 1px 6px rgba(32, 33, 36, 0.18);
}

#query-input {
  width: 100%;
  min-height: 2.2rem;
  max-height: 10.5rem;
  padding: 0.15rem 0.4rem 0 0;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.45;
  overflow-y: hidden;
}

#query-input::placeholder {
  color: #9aa0a6;
  opacity: 1;
  font-family: "Belleza", Arial, sans-serif;
  font-size: 1rem;
  letter-spacing: 0.015em;
}

.search-actions {
  display: flex;
  align-items: center;
  align-self: flex-end;
  gap: 0.45rem;
}

.settings-button,
.search-button {
  width: 2.7rem;
  height: 2.2rem;
  border-radius: 999px;
  cursor: pointer;
}

.settings-button {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
}

.settings-button:hover {
  border-color: rgba(42, 57, 144, 0.18);
  background: rgba(42, 57, 144, 0.04);
  color: var(--blue);
}

.settings-button:focus-visible,
.search-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(42, 57, 144, 0.12);
}

.settings-button svg,
.search-button svg {
  display: block;
  margin: 0 auto;
}

.settings-button svg {
  width: 1.2rem;
  height: 1.2rem;
}

.settings-icon-path {
  fill: none;
  stroke: currentColor;
}

.search-button {
  border: 0;
  background: var(--blue);
  color: #ffffff;
  font-size: 1.25rem;
}

.search-button svg {
  width: 1.32rem;
  height: 1.32rem;
}

.search-arrow-path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.85;
}

.search-button:hover {
  background: rgba(42, 57, 144, 0.9);
}

.settings-popover {
  position: absolute;
  right: 0;
  top: calc(100% + 0.75rem);
  width: min(17.5rem, calc(100vw - 3rem));
  padding: 0.9rem 0.95rem 1rem;
  border: 1px solid rgba(42, 57, 144, 0.12);
  border-radius: 1rem;
  background: #ffffff;
  box-shadow: 0 18px 38px rgba(21, 28, 73, 0.14);
  z-index: 20;
}

.settings-popover-title {
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin-top: 0.7rem;
}

.settings-label {
  color: var(--text);
  font-size: 0.92rem;
}

#num-results-input {
  width: 5.4rem;
  height: 2.15rem;
  padding: 0 0.55rem;
  border: 1px solid var(--border);
  border-radius: 0.72rem;
  outline: none;
  background: #ffffff;
  color: var(--text);
  font-size: 0.95rem;
  cursor: pointer;
  text-align: center;
  flex: 0 0 auto;
}

#num-results-input:focus {
  border-color: rgba(42, 57, 144, 0.22);
  box-shadow: 0 0 0 3px rgba(42, 57, 144, 0.08);
}

.search-button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.results-shell {
  width: 100%;
  max-width: 920px;
  margin-top: 2rem;
}

.site-footer {
  width: 100%;
  flex: 0 0 auto;
  padding-top: 1.35rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.site-footer-mark {
  color: var(--muted);
  font-family: "Belleza", sans-serif;
  letter-spacing: 0.08em;
}

.site-footer-divider {
  margin: 0 0.45rem;
  color: rgba(95, 99, 104, 0.75);
}

.site-footer-text {
  font-family: "Belleza", sans-serif;
  letter-spacing: 0.03em;
}

.results-shell.is-hidden {
  display: none;
}

.results-list {
  display: grid;
  gap: 1rem;
}

.result-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-height: var(--card-height);
  padding: 1.1rem 1.1rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: #ffffff;
  overflow: hidden;
}

.result-type {
  position: absolute;
  top: 0.95rem;
  right: 1rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.result-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-right: 4.8rem;
}

.result-title,
.result-title:visited {
  color: var(--blue);
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
}

.result-title:hover {
  text-decoration: underline;
}

.result-entity {
  align-self: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.result-statement {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.result-footer {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
}

.result-meta {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.feedback-actions {
  display: flex;
  gap: 0.45rem;
  margin-left: auto;
}

.feedback-button {
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  cursor: pointer;
}

.feedback-button:hover {
  border-color: rgba(42, 57, 144, 0.2);
  background: rgba(42, 57, 144, 0.04);
}

.feedback-button:disabled {
  cursor: default;
  opacity: 0.6;
}

.feedback-button.is-active[data-label="relevant"] {
  border-color: #cde7d8;
  color: #188038;
  background: #eef8f1;
}

.feedback-button.is-active[data-label="irrelevant"] {
  border-color: #f2c7cd;
  color: #d93025;
  background: #fdeff1;
}

@media (max-width: 720px) {
  .page-shell {
    padding: 0 1rem 1.2rem;
  }

  .page-shell.has-results .page-main {
    padding-top: 2rem;
  }

  .search-shell {
    transform: translateY(-2.25rem);
  }

  .brand {
    margin-bottom: 1.1rem;
    font-size: clamp(2.5rem, 14vw, 4rem);
    letter-spacing: 0.06em;
  }

  .search-bar {
    min-height: 4.05rem;
    padding-left: 0.9rem;
  }

  .settings-popover {
    width: min(15.5rem, calc(100vw - 2rem));
  }

  .result-card {
    max-height: 18rem;
  }

  .result-header {
    padding-right: 0;
  }

  .result-type {
    position: static;
    align-self: flex-start;
  }

  .site-footer {
    padding-top: 1.1rem;
    font-size: 0.8rem;
  }
}

.result-statement::-webkit-scrollbar-thumb {
  background: transparent;
}

.result-statement:hover::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
}

.result-statement:hover::-webkit-scrollbar-thumb:hover {
  background: var(--scroll-thumb-hover);
}

.result-statement:hover {
  /* Forces Chrome/Edge to redraw the div on hover, waking up the scrollbar */
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0); 
}

/* Firefox hover logic */
@supports not selector(::-webkit-scrollbar) {
  .result-statement {
    /* Set both thumb and track to transparent by default */
    scrollbar-color: transparent transparent; 
  }

  .result-statement:hover {
    /* Reveal the thumb color on hover */
    scrollbar-color: var(--scroll-thumb) transparent;
  }
}