:root {
  --bg-900: #101822;
  --bg-850: #16202d;
  --bg-800: #1b2838;
  --bg-700: #213043;
  --blue-500: #66c0f4;
  --blue-400: #4b8db7;
  --text-100: #f5f9ff;
  --text-300: #c7d5e0;
  --text-500: #8ea0b5;
  --ok: #7cc290;
  --danger: #f06b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text-100);
  background:
    radial-gradient(circle at 20% 0%, #263a53 0%, transparent 35%),
    radial-gradient(circle at 100% 20%, #234466 0%, transparent 25%),
    linear-gradient(180deg, #0b131d 0%, #0f1b2a 100%);
}

.app-shell {
  width: min(1320px, 94vw);
  margin: 28px auto;
  display: grid;
  gap: 18px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(145deg, rgba(27, 40, 56, 0.95), rgba(22, 32, 45, 0.95));
  border: 1px solid rgba(102, 192, 244, 0.25);
  border-radius: 14px;
  padding: 22px 24px;
}

.brand-block h1 {
  margin: 0;
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-block p {
  margin: 8px 0 0;
  color: var(--text-300);
}

.status-pill {
  background: rgba(40, 59, 80, 0.7);
  color: var(--text-300);
  border: 1px solid rgba(102, 192, 244, 0.3);
  border-radius: 999px;
  font-size: 0.85rem;
  padding: 8px 12px;
}

.panel {
  background: linear-gradient(160deg, rgba(27, 40, 56, 0.95), rgba(22, 32, 45, 0.92));
  border-radius: 14px;
  border: 1px solid rgba(102, 192, 244, 0.18);
  padding: 18px;
}

.controls-grid {
  display: grid;
  grid-template-columns: minmax(190px, 1fr) 130px minmax(220px, 1fr) 170px 220px;
  gap: 14px;
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  color: var(--text-300);
  font-size: 0.88rem;
}

input {
  border: 1px solid rgba(102, 192, 244, 0.35);
  background: rgba(16, 24, 34, 0.85);
  color: var(--text-100);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
}

select {
  border: 1px solid rgba(102, 192, 244, 0.35);
  background: rgba(16, 24, 34, 0.85);
  color: var(--text-100);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
}

button {
  border: none;
  border-radius: 8px;
  padding: 11px 16px;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.2px;
  background: linear-gradient(90deg, var(--blue-400), var(--blue-500));
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.hint {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: var(--text-500);
}

.text-link {
  margin-top: 10px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--blue-500);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
}

.summary-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.summary-panel h2,
.results-header h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: rgba(50, 74, 101, 0.75);
  color: var(--text-300);
  border: 1px solid rgba(102, 192, 244, 0.25);
  padding: 6px 9px;
  border-radius: 999px;
  font-size: 0.78rem;
}

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

.source-item {
  display: grid;
  gap: 2px;
  background: rgba(19, 30, 42, 0.8);
  border-radius: 8px;
  border: 1px solid rgba(102, 192, 244, 0.12);
  padding: 8px 10px;
}

.source-item small {
  color: var(--text-500);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

#resultStats {
  color: var(--text-500);
  font-size: 0.82rem;
}

.loading,
.error {
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.loading {
  background: rgba(51, 78, 110, 0.5);
  color: var(--text-300);
  border: 1px solid rgba(102, 192, 244, 0.3);
}

.error {
  background: rgba(120, 38, 38, 0.4);
  color: #ffd1d1;
  border: 1px solid rgba(240, 107, 107, 0.5);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
}

.demo-card {
  background: linear-gradient(180deg, rgba(27, 40, 56, 0.95), rgba(18, 28, 40, 0.95));
  border-radius: 10px;
  border: 1px solid rgba(102, 192, 244, 0.2);
  overflow: hidden;
  display: grid;
  grid-template-rows: 164px auto;
}

.media-wrap {
  position: relative;
  background: #0d141d;
}

.media-wrap img,
.media-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-wrap video {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 180ms ease;
}

.demo-card:hover .media-wrap video {
  opacity: 1;
}

.card-body {
  padding: 10px;
  display: grid;
  gap: 8px;
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
}

.card-title-row h3 {
  margin: 0;
  font-size: 1rem;
}

.match-score {
  color: var(--blue-500);
  font-size: 0.75rem;
  white-space: nowrap;
}

.card-description {
  color: var(--text-300);
  font-size: 0.82rem;
  line-height: 1.35;
  min-height: 44px;
}

.card-meta {
  font-size: 0.75rem;
  color: var(--text-500);
}

.actions {
  margin-top: 4px;
  display: flex;
  justify-content: flex-end;
}

.actions a {
  text-decoration: none;
  color: #fff;
  background: rgba(75, 141, 183, 0.9);
  border-radius: 7px;
  padding: 7px 10px;
  font-size: 0.8rem;
}

.hidden {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 14, 22, 0.78);
}

.modal-card {
  position: relative;
  width: min(620px, 92vw);
  border-radius: 12px;
  border: 1px solid rgba(102, 192, 244, 0.28);
  background: linear-gradient(165deg, rgba(27, 40, 56, 0.98), rgba(16, 25, 36, 0.98));
  padding: 16px;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.modal-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.modal-close {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid rgba(102, 192, 244, 0.3);
  background: rgba(21, 33, 47, 0.9);
  color: var(--text-300);
  font-size: 1.1rem;
  line-height: 1;
  padding: 0;
}

.modal-steps {
  margin: 0;
  padding-left: 18px;
  color: var(--text-300);
  line-height: 1.45;
  font-size: 0.9rem;
  display: grid;
  gap: 8px;
}

.modal-note {
  margin: 12px 0 0;
  color: var(--text-500);
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .controls-grid,
  .summary-panel {
    grid-template-columns: 1fr;
  }
}