:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-muted: #eef0f6;
  --text: #181a20;
  --text-muted: #5a6070;
  --border: #dce0ea;
  --accent: #595aff;
  --accent-hover: #4546e5;
  --accent-soft: rgba(89, 90, 255, 0.1);
  --error: #b3261e;
  --error-bg: #fdecec;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(20, 24, 38, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11131a;
    --surface: #1b1e29;
    --surface-muted: #252938;
    --text: #eef0f6;
    --text-muted: #a2a8b8;
    --border: #2e3345;
    --accent: #7a7cff;
    --accent-hover: #9092ff;
    --accent-soft: rgba(122, 124, 255, 0.16);
    --error: #f28b82;
    --error-bg: rgba(242, 139, 130, 0.14);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  }
}

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

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  background: var(--surface-muted);
  padding: 0.15em 0.4em;
  border-radius: 6px;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  padding: 1.75rem 0 1.25rem;
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-spotlight {
  background: linear-gradient(135deg, var(--accent-soft), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow);
}

.spotlight-emojis {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  min-height: 40px;
}

.spotlight-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.65rem 0.3rem 0.45rem;
  font: inherit;
  font-size: 0.8rem;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.spotlight-pill:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.spotlight-pill img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.spotlight-pill code {
  background: transparent;
  padding: 0;
  font-weight: 600;
}

.eyebrow {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.site-header h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  line-height: 1.15;
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
  max-width: 65ch;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.section-title {
  margin: 0 0 0.9rem;
  font-size: 1.05rem;
}

.instance-form,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: end;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.field-grow {
  flex: 1 1 260px;
}

.input-row {
  display: flex;
  gap: 0.5rem;
}

input[type="text"],
input[type="search"],
select,
textarea {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
}

input[type="text"],
input[type="search"],
textarea {
  width: 100%;
}

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

.btn-primary {
  font: inherit;
  font-weight: 600;
  color: #ffffff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: wait;
}

.btn-ghost {
  font: inherit;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.status-bar {
  margin-top: 0.9rem;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  background: var(--surface-muted);
  font-size: 0.9rem;
}

.status-bar.is-error {
  color: var(--error);
  background: var(--error-bg);
}

.explainer-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  list-style: none;
  padding: 0.25rem 0.4rem;
  margin: -0.25rem -0.4rem;
  border-radius: 8px;
  transition: background-color 0.12s ease;
}

.explainer-summary:hover {
  background: var(--surface-muted);
}

.explainer-summary::-webkit-details-marker {
  display: none;
}

.summary-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.summary-chevron {
  display: inline-block;
  color: var(--accent);
  transition: transform 0.15s ease;
}

.explainer-card[open] .summary-chevron {
  transform: rotate(90deg);
}

.summary-pill {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  white-space: nowrap;
}

.explainer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.explainer-text h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.explainer-text p {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
}

.formula-box {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  font-size: 0.92rem;
  margin-bottom: 0.75rem;
}

.explainer-text .muted-note {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.sandbox-box {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--surface-muted);
  padding: 0.9rem;
  border-radius: 10px;
}

.sandbox-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.sandbox-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.sandbox-stats .is-over-limit {
  color: var(--error);
}

.checkbox-group {
  justify-content: flex-end;
  padding-bottom: 0.45rem;
}

.field-group .checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  color: var(--text);
}

.checkbox-help-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.help-tip-btn {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: help;
}

.help-tip-btn:hover,
.help-tip-btn:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.help-tip-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  width: 240px;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 0.14s ease, transform 0.14s ease;
  z-index: 20;
}

@media (max-width: 640px) {
  .help-tip-btn::after {
    right: auto;
    left: -120px;
  }
}

.help-tip-btn:hover::after,
.help-tip-btn:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.results-summary {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.load-more-wrap .btn-ghost {
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
}

.emoji-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 0.75rem;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.emoji-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.emoji-img-wrap {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
}

.emoji-img-wrap img {
  max-width: 48px;
  max-height: 48px;
  object-fit: contain;
}

.emoji-shortcode {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.84rem;
  font-weight: 600;
  word-break: break-all;
}

.emoji-meta {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.emoji-hidden-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.05rem 0.4rem;
  vertical-align: middle;
}

.emoji-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: auto;
  width: 100%;
}

.emoji-actions button {
  flex: 1;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
  cursor: pointer;
}

.btn-copy {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid transparent;
}

.btn-copy:hover {
  border-color: var(--accent);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--text);
  color: var(--bg);
  padding: 0.65rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  z-index: 100;
}

.site-footer {
  padding: 1rem 0 2.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}