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

:root {
  color-scheme: dark;
  --bg: #121214;
  --surface: #1c1c21;
  --surface2: #25252c;
  --border: #2e2e36;
  --text: #ececf1;
  --muted: #9898a6;
  --purple: #8b5cf6;
  --purple-dim: #6d28d9;
  --purple-glow: rgba(139, 92, 246, 0.35);
  --danger: #f87171;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease-spring: cubic-bezier(0.34, 1.45, 0.64, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 0.18s;
  --t-med: 0.28s;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--text);
  background:
    radial-gradient(ellipse 100% 70% at 50% -15%, rgba(139, 92, 246, 0.14), transparent 55%),
    radial-gradient(ellipse 80% 50% at 100% 100%, rgba(109, 40, 217, 0.08), transparent 45%),
    var(--bg);
}

code {
  font-size: 0.8em;
  background: var(--surface2);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.app {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1rem 2rem 2rem;
}

.top-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  text-decoration: none;
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
  transition: border-color var(--t-fast) var(--ease-soft), color var(--t-fast) var(--ease-soft), background var(--t-fast) var(--ease-soft), transform var(--t-fast) var(--ease-spring);
}

.btn-back:hover {
  border-color: var(--purple);
  color: var(--text);
  background: var(--surface);
  transform: translateX(-2px);
}

.logo {
  font-size: 1.5rem;
  line-height: 1;
  display: inline-block;
  animation: logoGlow 5s var(--ease-soft) infinite alternate;
}

@keyframes logoGlow {
  from {
    filter: drop-shadow(0 0 0 transparent);
    transform: translateY(0);
  }
  to {
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.45));
    transform: translateY(-1px);
  }
}

.title {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.grid-main {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 1280px) {
  .grid-main {
    grid-template-columns: minmax(320px, 420px) 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 900px) {
  .app {
    padding: 1rem 1rem 2rem;
  }

  .grid-main {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  transition:
    box-shadow var(--t-med) var(--ease-soft),
    border-color var(--t-med) var(--ease-soft),
    transform var(--t-med) var(--ease-soft);
}

.panel:hover {
  border-color: #3a3a44;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
}

.panel-title {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.panel-generator .panel-title {
  margin-bottom: 0.35rem;
}

.gen-summary {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.45;
}

.field {
  margin-bottom: 0.75rem;
}

/* ── Campaign type groups ── */
.type-groups {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0;
  margin-top: 0.4rem;
}

.type-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.type-group-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.type-group-divider {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 0 0.65rem;
  margin-bottom: 0;
  flex-shrink: 0;
}

/* ── Campaign type selector ── */
.type-selector {
  display: flex;
  gap: 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
  width: fit-content;
}

.type-btn {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  border: none;
  border-right: 1px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  cursor: pointer;
  transition:
    color var(--t-fast) var(--ease-soft),
    background var(--t-fast) var(--ease-soft),
    box-shadow var(--t-fast) var(--ease-soft);
}

.type-btn:last-child {
  border-right: none;
}

.type-btn:hover {
  color: var(--text);
  background: var(--surface);
}

.type-btn.is-active {
  background: rgba(139, 92, 246, 0.22);
  color: #c4b5fd;
  box-shadow: inset 0 0 0 1px rgba(139, 92, 246, 0.5);
  font-weight: 700;
}

.badge-type {
  background: rgba(139, 92, 246, 0.12);
  border-color: rgba(139, 92, 246, 0.35);
  color: #a78bfa;
  font-size: 0.7rem;
  letter-spacing: 0.03em;
}

/* ── Geo selector ── */
.geo-selector {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.35rem;
  margin-top: 0.4rem;
}

.geo-btn {
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.35rem 0;
  width: 100%;
  text-align: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  cursor: pointer;
  transition:
    color var(--t-fast) var(--ease-soft),
    background var(--t-fast) var(--ease-soft),
    border-color var(--t-fast) var(--ease-soft),
    box-shadow var(--t-fast) var(--ease-soft),
    transform var(--t-fast) var(--ease-spring);
}

.geo-btn:hover {
  color: var(--text);
  border-color: var(--muted);
  transform: translateY(-1px);
}

.geo-btn:active {
  transform: scale(0.95);
}

.geo-btn.is-active {
  background: rgba(139, 92, 246, 0.18);
  border-color: var(--purple);
  color: #c4b5fd;
  box-shadow: 0 0 0 1px var(--purple) inset, 0 2px 12px rgba(139, 92, 246, 0.25);
}

.badge-geo {
  background: rgba(139, 92, 246, 0.18);
  border-color: var(--purple);
  color: #c4b5fd;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.gen-export {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.gen-export-title {
  margin: 0 0 0.65rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.panel-generator .export-group:last-of-type {
  margin-bottom: 0;
}

.btn {
  position: relative;
  font: inherit;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  overflow: hidden;
  transition:
    transform var(--t-fast) var(--ease-spring),
    box-shadow var(--t-med) var(--ease-soft),
    border-color var(--t-fast) var(--ease-soft),
    background var(--t-fast) var(--ease-soft),
    filter var(--t-fast) ease;
}

.btn:hover {
  border-color: var(--muted);
  background: #2e2e38;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.btn:active {
  transform: translateY(0) scale(0.96);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  transition-duration: 0.08s;
}

.btn:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
}

.btn:focus:not(:focus-visible) {
  outline: none;
}

.btn-sm {
  font-size: 0.8rem;
  padding: 0.4rem 0.65rem;
}

.btn-primary {
  background: linear-gradient(165deg, #9d7af7 0%, var(--purple) 38%, var(--purple-dim) 100%);
  border-color: transparent;
  color: #fff;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    0 4px 20px var(--purple-glow);
}

.btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    0 8px 28px rgba(139, 92, 246, 0.5);
}

.btn-primary:active {
  filter: brightness(0.94);
  transform: translateY(0) scale(0.97);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.15) inset,
    0 2px 10px rgba(109, 40, 217, 0.45);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  filter: none;
}

.btn-block {
  width: 100%;
  padding: 0.65rem 1rem;
  margin-top: 0.25rem;
}

.panel-results {
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

@media (min-width: 1280px) {
  .panel-results {
    min-height: 580px;
  }

  .tab-panels {
    min-height: 400px;
  }

  .panel {
    padding: 1.25rem 1.5rem;
  }
}

.results-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.results-header .panel-title {
  margin: 0;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  transition:
    border-color var(--t-fast) ease,
    background var(--t-fast) ease,
    color var(--t-fast) ease;
}

.badges .badge {
  animation: badgePop 0.35s var(--ease-spring) both;
}

@keyframes badgePop {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}

.tab {
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.4rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  border: none;
  border-radius: 8px 8px 0 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition:
    color var(--t-fast) var(--ease-soft),
    background var(--t-fast) var(--ease-soft),
    box-shadow var(--t-med) var(--ease-soft),
    transform var(--t-fast) var(--ease-spring);
}

.tab:hover {
  color: var(--text);
  background: var(--surface2);
  transform: translateY(-1px);
}

.tab:active {
  transform: translateY(0) scale(0.98);
}

.tab.is-active {
  color: var(--text);
  background: var(--surface2);
  box-shadow: 0 -3px 0 var(--purple) inset, 0 0 20px rgba(139, 92, 246, 0.12);
}

.tab-count {
  opacity: 0.85;
  font-weight: 700;
}

.tab-panels {
  flex: 1;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}

.tab-panel {
  flex: 1;
  min-height: 200px;
  overflow: auto;
  padding-right: 0.25rem;
}

.tab-panel[hidden] {
  display: none !important;
}

.item-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.item-list li {
  padding: 0.45rem 0.55rem;
  margin-bottom: 0.35rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
  word-break: break-word;
  transition:
    border-color var(--t-fast) var(--ease-soft),
    background var(--t-fast) var(--ease-soft),
    transform var(--t-fast) var(--ease-soft),
    box-shadow var(--t-fast) var(--ease-soft);
}

.item-list li:hover {
  border-color: rgba(139, 92, 246, 0.35);
  background: #2a2833;
  transform: translateX(3px);
  box-shadow: -3px 0 0 0 var(--purple);
}

.item-list li:active {
  transform: translateX(1px) scale(0.99);
}

.item-list li.keyword-line {
  color: #c4b5fd;
}

.item-list li.keyword-line::before {
  content: "# ";
  color: var(--purple);
  font-weight: 700;
}

.item-list li.is-copyable {
  cursor: pointer;
  padding-right: 2rem;
  position: relative;
}

.item-list li.is-copyable::after {
  content: "⎘";
  position: absolute;
  right: 0.55rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8rem;
  color: var(--muted);
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease-soft);
}

.item-list li.is-copyable:hover::after {
  opacity: 0.6;
}

@keyframes copiedFlash {
  0%   { background: rgba(139, 92, 246, 0.28); border-color: var(--purple); }
  70%  { background: rgba(139, 92, 246, 0.12); border-color: rgba(139, 92, 246, 0.5); }
  100% { background: var(--surface2); border-color: var(--border); }
}

.item-list li.is-copied {
  animation: copiedFlash 1.2s var(--ease-soft) forwards;
}

.item-list li.is-copied::after {
  content: "✓";
  opacity: 1 !important;
  color: #a78bfa;
}

/* KeyWord insertion controls */
.kw-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.4rem;
}

.kw-input {
  flex: 1;
  min-width: 120px;
  max-width: 220px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  font: inherit;
  font-size: 0.82rem;
  outline: none;
  transition: border-color var(--t-fast);
}

.kw-input:focus { border-color: var(--purple); }
.kw-input::placeholder { color: var(--muted); }
.kw-input:disabled { opacity: 0.4; cursor: not-allowed; }



.kw-count-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.kw-count-label {
  font-size: 0.78rem;
  color: var(--muted);
}

.kw-count-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 6px;
  padding: 0.25rem 0.45rem;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  transition:
    background var(--t-fast),
    border-color var(--t-fast),
    color var(--t-fast);
}

.kw-count-btn:hover { border-color: var(--purple); color: var(--text); }
.kw-count-btn.is-active {
  background: rgba(139, 92, 246, 0.18);
  border-color: var(--purple);
  color: var(--purple);
}

.kw-hint {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.5;
}

.kw-hint code {
  background: rgba(139, 92, 246, 0.12);
  color: #c4b5fd;
  border-radius: 4px;
  padding: 0.05rem 0.3rem;
  font-size: 0.72rem;
}

/* KeyWord headline badge in results list */
.kw-badge {
  display: inline-block;
  background: rgba(139, 92, 246, 0.2);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #c4b5fd;
  border-radius: 4px;
  padding: 0.05rem 0.3rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-left: 0.4rem;
  vertical-align: middle;
  flex-shrink: 0;
}

.item-list li.is-kw {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  color: #e0d7ff;
}

/* Sitelink cards */
.item-list--sitelinks li {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.item-list--sitelinks .is-copyable::after {
  top: 0.55rem;
  transform: none;
}

.sl-title {
  font-weight: 600;
  color: var(--text);
  font-size: 0.88rem;
}

.sl-desc {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.3;
}

.load-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin: 0.5rem 0 0;
}

.export-group {
  margin-bottom: 1rem;
}

.export-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

@media (prefers-reduced-motion: reduce) {
  .logo,
  .badges .badge {
    animation: none !important;
  }

  .btn,
  .btn-primary,
  .tab,
  .panel,
  .item-list li,
  .badge {
    transition: none !important;
  }

  .btn:hover,
  .btn-primary:hover,
  .tab:hover {
    transform: none !important;
  }

  .btn:active,
  .btn-primary:active,
  .tab:active,
  .item-list li:active {
    transform: none !important;
  }

  .item-list li:hover {
    transform: none !important;
    box-shadow: none !important;
  }

  .panel:hover {
    box-shadow: none !important;
  }
}