@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;500;600;700;800;900&display=swap");

:root {
  --font-inter: "Inter", sans-serif;
  --font-playfair: "Playfair Display", serif;
  --bg: hsl(40 20% 97%);
  --text: hsl(220 20% 10%);
  --muted: hsl(220 10% 46%);
  --brand: hsl(32 80% 50%);
  --panel: #f9f9fa;
  --line: hsl(40 10% 88%);
  --left: #2563eb;
  --center: #6b7280;
  --right: #dc2626;
  --search-ring: hsl(32 80% 50%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-inter);
  color: var(--text);
  background: var(--bg);
}

.topbar {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 10px;
  height: 70px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
}

.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-playfair);
  font-size: 1.98rem;
  font-weight: 600;
  letter-spacing: 0;
  color: #111827;
}

a.logo {
  text-decoration: none;
  color: inherit;
}

.logo-divider {
  margin: 0 10px;
  color: #20242d;
}

.switches {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: #8f95a0;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}

.switches span {
  padding: 4px 8px;
  border-right: 1px solid var(--line);
}

.switches span:last-child {
  border-right: 0;
}

.hero {
  max-width: 980px;
  margin: 64px auto 60px;
  padding: 0 16px;
  text-align: center;
}

h1 {
  margin: 28px 0 13px;
  font-family: var(--font-playfair);
  font-size: clamp(2.9rem, 6.3vw, 4rem);
  line-height: 1.03;
  font-weight: 600;
  letter-spacing: -0.03em;
}

h1 span {
  color: var(--brand);
}

.hero p {
  max-width: 660px;
  margin: 0 auto;
  color: #666d78;
  font-size: 1.01rem;
  line-height: 1.62;
}

.search-wrap {
  margin: 30px auto 10px;
  max-width: 760px;
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 8px;
}

.search-input-wrap {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #8f96a2;
  font-size: 1rem;
  pointer-events: none;
}

#search-input {
  height: 54px;
  border: 1px solid #d7b980;
  background: #f8f8f9;
  border-radius: 13px;
  padding: 0 18px 0 38px;
  font-size: 0.98rem;
  color: #111827;
  width: 100%;
}

#search-input:focus {
  outline: none;
  border-color: var(--search-ring);
  box-shadow: 0 0 0 3px rgba(201, 144, 58, 0.14);
}

#analyze-btn {
  border: 0;
  border-radius: 13px;
  background: #979eaa;
  color: #fff;
  font-weight: 700;
  font-size: 1.12rem;
  font-family: var(--font-inter);
  letter-spacing: 0;
  cursor: pointer;
  transition: background 0.2s ease;
  position: relative;
}

#analyze-btn:hover {
  background: #8b93a0;
}

#analyze-btn:disabled {
  opacity: 0.75;
  cursor: not-allowed;
}

#analyze-btn:disabled::after {
  content: "";
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #ffffff;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  animation: spin 0.8s linear infinite;
}

.loading-panel {
  margin: 16px auto 10px;
  max-width: 760px;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 12px 0 0;
}

.trending-topics {
  margin: 16px auto 0;
  max-width: 760px;
}

.trending-topics p {
  margin: 0 0 10px;
  color: #8c939f;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 500;
}

.topic-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.chip {
  border: 1px solid #d7dbe0;
  background: #f5f6f8;
  color: #1f2937;
  font-size: 0.86rem;
  line-height: 1;
  border-radius: 999px;
  padding: 7px 13px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.chip:hover {
  background: #eef1f5;
  border-color: #c8cdd5;
}

.fetch-msg {
  margin: 0 0 8px;
  font-weight: 500;
  color: #5b6270;
  font-size: 1.05rem;
}

.status-msg {
  margin: 0;
  color: #2e3440;
  font-size: 1.85rem;
  font-family: var(--font-playfair);
  font-weight: 600;
  line-height: 1.22;
}

.empty-state {
  max-width: 640px;
  margin: 24px auto 0;
  padding: 22px 24px;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.empty-state-title {
  margin: 0 0 8px;
  font-family: var(--font-playfair);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
}

.empty-state-text {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.empty-state-hint {
  margin: 0;
  font-size: 0.88rem;
  color: #8b919c;
  line-height: 1.45;
}

.is-loading .hero h1,
.is-loading .hero > p,
.is-loading .trending-topics,
.is-loading #results,
.is-loading #blind-spots,
.is-loading #empty-state {
  display: none !important;
}

.is-loading .hero {
  margin-top: 26px;
}

.is-loading .search-wrap {
  margin-top: 0;
}

.is-loading .loading-panel {
  margin-top: 18px;
}

.results {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.col {
  text-align: left;
  background: var(--panel);
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid #eceef1;
  min-height: 118px;
}

.col h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  font-weight: 700;
}

.left h2 {
  color: var(--left);
}

.center h2 {
  color: var(--center);
}

.right h2 {
  color: var(--right);
}

.col ul,
.blind-spots ul {
  margin: 0;
  padding-left: 18px;
}

.col li,
.blind-spots li {
  margin-bottom: 8px;
  color: #363c46;
  line-height: 1.4;
}

.blind-spots {
  margin-top: 12px;
  text-align: left;
  background: var(--panel);
  border-radius: 12px;
  padding: 14px;
  border: 1px solid #eceef1;
}

.blind-spots h3 {
  margin: 0 0 10px;
}

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

.blind-grid h4 {
  margin: 0 0 10px;
  font-size: 0.92rem;
}

.hidden {
  display: none;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@media (max-width: 900px) {
  .topbar {
    justify-content: center;
    padding: 0 12px;
    height: 64px;
  }

  .logo {
    font-size: 1.8rem;
  }

  .switches {
    display: none;
  }

  .hero {
    margin-top: 42px;
  }

  h1 {
    font-size: clamp(2.1rem, 8vw, 2.9rem);
  }

  .results,
  .blind-grid {
    grid-template-columns: 1fr;
  }

  .search-wrap {
    grid-template-columns: 1fr;
  }

  #analyze-btn {
    height: 54px;
    font-size: 1.02rem;
  }

  .fetch-msg {
    font-size: 0.95rem;
  }

  .status-msg {
    font-size: 1.2rem;
  }

  .topic-chips {
    justify-content: flex-start;
  }
}