:root {
  --bg: #f3f7ff;
  --ink: #15203b;
  --muted: #4f6289;
  --accent: #0e8f7f;
  --accent-2: #ff9f43;
  --panel: #ffffffcc;
  --line: #d8e3ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 15%, #d6e8ff 0, transparent 35%),
    radial-gradient(circle at 80% 5%, #ffe8cd 0, transparent 30%),
    var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  opacity: 0.35;
  filter: blur(30px);
}

.bg-one {
  width: 320px;
  height: 320px;
  background: #82d2ff;
  top: -100px;
  left: -60px;
}

.bg-two {
  width: 420px;
  height: 420px;
  background: #ffd08a;
  bottom: -180px;
  right: -120px;
}

.container {
  width: min(1080px, 92vw);
  margin: 2.5rem auto 3rem;
}

.hero {
  animation: rise 500ms ease-out;
}

.kicker {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

h1 {
  margin: 0;
  font-size: clamp(1.6rem, 2.8vw, 2.8rem);
  line-height: 1.1;
}

.subtitle {
  max-width: 760px;
  color: var(--muted);
  margin-top: 0.8rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(22, 47, 93, 0.08);
  padding: 1rem 1.1rem;
}

.upload-panel {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.25rem;
  animation: rise 650ms ease-out;
}

.upload-label {
  font-weight: 600;
}

input[type="file"] {
  border: 1px dashed var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 0.45rem;
}

button {
  width: fit-content;
  border: 0;
  border-radius: 10px;
  padding: 0.6rem 0.95rem;
  font-family: inherit;
  font-weight: 700;
  background: linear-gradient(120deg, var(--accent), #1482cf);
  color: #fff;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 7px 18px rgba(20, 130, 207, 0.3);
}

.status {
  margin: 0.2rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.hidden {
  display: none;
}

.results {
  margin-top: 1rem;
  animation: rise 650ms ease-out;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.8rem;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem;
}

.card .label {
  color: var(--muted);
  font-size: 0.82rem;
}

.card .value {
  margin-top: 0.2rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.05rem;
  font-weight: 500;
}

.grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 0.8rem;
}

.full {
  grid-column: 1 / -1;
}

h2 {
  margin: 0 0 0.7rem;
  font-size: 1rem;
}

h3 {
  margin: 0;
  font-size: 0.92rem;
}

.participant-row {
  padding: 0.45rem 0;
  border-top: 1px solid var(--line);
}

.participant-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.participant-name {
  font-weight: 700;
}

.participant-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.insight-row {
  padding: 0.45rem 0;
  border-top: 1px solid var(--line);
}

.insight-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.insight-label {
  font-weight: 700;
  font-size: 0.9rem;
}

.insight-value {
  color: var(--muted);
  font-size: 0.9rem;
}

.sentiment-explainer {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.sentiment-stack {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  display: flex;
  background: #eef3ff;
  border: 1px solid var(--line);
  margin: 0.35rem 0 0.6rem;
}

.sentiment-segment {
  height: 100%;
}

.sentiment-segment.positive {
  background: linear-gradient(120deg, #11b48a, #0e8f7f);
}

.sentiment-segment.neutral {
  background: #9fb4df;
}

.sentiment-segment.negative {
  background: linear-gradient(120deg, #ff6b6b, #e63946);
}

.sentiment-legend {
  display: grid;
  grid-template-columns: repeat(3, minmax(90px, 1fr));
  gap: 0.35rem;
  margin-bottom: 0.25rem;
}

.legend-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.35rem 0.45rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.legend-item strong {
  color: var(--ink);
}

.sent-mini-block {
  margin: 0.2rem 0 0.75rem;
}

.sent-mini-row {
  display: grid;
  grid-template-columns: 76px 1fr 64px;
  gap: 0.4rem;
  align-items: center;
  margin-top: 0.28rem;
}

.sent-mini-label {
  color: var(--muted);
  font-size: 0.8rem;
}

.sent-mini-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: #eef3ff;
  border: 1px solid var(--line);
  overflow: hidden;
}

.sent-mini-zero {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: #8ea3cf;
}

.sent-mini-bar {
  position: absolute;
  top: 1px;
  bottom: 1px;
  border-radius: 999px;
}

.sent-mini-bar.positive {
  left: 50%;
  background: linear-gradient(120deg, #11b48a, #0e8f7f);
}

.sent-mini-bar.negative {
  right: 50%;
  background: linear-gradient(120deg, #ff6b6b, #e63946);
}

.sent-mini-value {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: right;
}

.sent-mini-value.positive {
  color: #0e8f7f;
}

.sent-mini-value.negative {
  color: #cf2d3a;
}

.word-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.45rem;
}

.word-list li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.4rem 0.55rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.86rem;
}

.bars {
  display: grid;
  gap: 0.5rem;
}

.bar-row {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 0.45rem;
  align-items: center;
}

.bar-track {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: #e8efff;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(120deg, #0e8f7f, #1482cf);
}

.person-words-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.7rem;
}

.person-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.65rem;
}

.person-card .participant-name {
  margin-bottom: 0.45rem;
}

.chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.chips li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
  background: #f8fbff;
  font-family: "IBM Plex Mono", monospace;
}

.chart-summary {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.chart-wrap {
  width: 100%;
}

.chart-svg {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.chart-subtitle {
  margin: 0.8rem 0 0.55rem;
}

@keyframes rise {
  from {
    transform: translateY(8px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 780px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .bar-row {
    grid-template-columns: 90px 1fr auto;
  }
}