:root {
  --bg: #f6f5ef;
  --panel: rgba(255, 255, 255, 0.8);
  --ink: #13272f;
  --muted: #4e676f;
  --line: rgba(19, 39, 47, 0.15);
  --accent: #de5f2a;
  --accent-soft: rgba(222, 95, 42, 0.18);
  --ok: #1f7a5b;
  --shadow: 0 18px 45px rgba(19, 39, 47, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 10% 10%, #fcf4d8 0%, transparent 45%),
    radial-gradient(circle at 90% 15%, #d5ece8 0%, transparent 40%),
    linear-gradient(140deg, #f7f5f0 0%, #eef6f4 100%);
  min-height: 100%;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(40px);
  opacity: 0.4;
  z-index: 0;
}

.orb-a {
  width: 240px;
  height: 240px;
  top: 12vh;
  left: -70px;
  background: #ffd6bf;
}

.orb-b {
  width: 280px;
  height: 280px;
  bottom: 5vh;
  right: -80px;
  background: #bde4dd;
}

.site-header,
.layout {
  position: relative;
  z-index: 1;
}

.site-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.2rem 1.2rem 1rem;
  animation: fade-up 400ms ease;
  position: relative;
}

.lang-toggle {
  position: absolute;
  top: 2.2rem;
  right: 1.2rem;
  width: auto;
  margin-top: 0;
  padding: 0.28rem 0.75rem;
  font-size: 0.78rem;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.lang-toggle:hover {
  background: var(--ink);
  color: #fff;
  opacity: 1;
}

.title-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 0.35rem;
}

.site-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex: 0 0 auto;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-family: "IBM Plex Serif", serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.1;
}

.subtitle {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.2rem 2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 290px minmax(340px, 1fr) minmax(320px, 0.9fr);
}

.panel {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  min-height: 220px;
}

.controls-panel {
  padding: 1rem;
  align-self: start;
  position: sticky;
  top: 1rem;
}

.controls-panel h2 {
  margin: 0 0 0.9rem;
  font-size: 1.1rem;
}

label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--muted);
  margin-top: 0.75rem;
  display: block;
}

input,
select,
button {
  width: 100%;
  margin-top: 0.35rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  font: inherit;
}

input,
select {
  padding: 0.62rem 0.7rem;
  background: #fff;
}

button {
  padding: 0.62rem 0.9rem;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease;
}

button:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.secondary-action {
  background: #fff;
  color: var(--ink);
}

.secondary-action:hover {
  background: #f3f6f6;
}

.actions-row {
  margin-top: 1rem;
  display: grid;
  gap: 0.6rem;
}

#resultsCount {
  font-size: 0.88rem;
  color: var(--muted);
}

.list-panel {
  padding: 1rem;
}

.status {
  padding: 0.8rem;
  border-radius: 12px;
  background: #fff;
  color: var(--muted);
  border: 1px dashed var(--line);
}

.thesis-list {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.7rem;
}

.thesis-item {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 0.8rem;
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease;
  animation: fade-up 240ms ease;
}

.thesis-item:hover,
.thesis-item.active {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.thesis-title {
  margin: 0;
  font-weight: 700;
}

.thesis-meta {
  margin-top: 0.45rem;
  font-size: 0.88rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.badge {
  display: inline-block;
  padding: 0.17rem 0.48rem;
  border-radius: 999px;
  font-size: 0.76rem;
  border: 1px solid var(--line);
  background: #f9faf9;
}

.badge.highlight {
  border-color: transparent;
  background: var(--accent-soft);
  color: #7d351b;
}

.detail-panel {
  padding: 1.05rem;
}

.detail-empty {
  color: var(--muted);
}

.detail.hidden {
  display: none;
}

.detail h2 {
  margin: 0;
  font-family: "IBM Plex Serif", serif;
  font-size: 1.5rem;
}

.detail-grid {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.5rem;
}

.detail-row strong {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}

.detail-row p {
  margin: 0;
  line-height: 1.4;
}

.detail-disclosure {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.15rem 0.75rem 0.65rem;
}

.detail-disclosure summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  padding-top: 0.45rem;
}

.detail-disclosure-content {
  margin-top: 0.7rem;
  line-height: 1.45;
  color: var(--ink);
}

.link-btn {
  margin-top: 1rem;
  display: inline-block;
  text-decoration: none;
  background: var(--ok);
  color: #fff;
  border-radius: 999px;
  padding: 0.58rem 0.95rem;
  font-weight: 600;
}

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

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .controls-panel {
    position: static;
  }

  .title-row {
    align-items: flex-start;
  }

  .site-logo {
    width: 48px;
    height: 48px;
  }
}