:root {
  --bg: #f2f5f7;
  --surface: #ffffff;
  --surface-alt: #f7fafc;
  --ink: #112433;
  --muted: #4f6474;
  --accent: #0f766e;
  --accent-strong: #0a5a54;
  --accent-soft: #d9f2ef;
  --border: #d6e2e8;
  --ring: #0f766e;
  --radius: 20px;
  --shadow-sm: 0 8px 20px rgba(9, 27, 42, 0.08);
  --shadow-md: 0 18px 40px rgba(9, 27, 42, 0.12);
}

* {
  box-sizing: border-box;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% -10%, #e7f4f2 0%, rgba(231, 244, 242, 0) 42%),
    radial-gradient(circle at 100% 0%, #e8efff 0%, rgba(232, 239, 255, 0) 36%),
    linear-gradient(180deg, #f5f8fa 0%, #eef3f6 100%);
}

.container {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
  padding: 1.5rem 0 2.4rem;
}

.shell {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  background: var(--surface);
}

.card {
  padding: 1.1rem;
}

.hero {
  padding: 1.5rem;
  margin-bottom: 1rem;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.95) 0%, rgba(239, 252, 250, 0.95) 100%),
    var(--surface);
}

.kicker {
  margin: 0 0 0.35rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  margin-bottom: 0.45rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

h2 {
  margin-bottom: 0.55rem;
  font-size: 1.25rem;
}

h3 {
  margin-bottom: 0.5rem;
  font-size: 1.04rem;
}

.subtitle {
  max-width: 72ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.filter-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 1.1rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfd 100%);
}

.field {
  display: grid;
  gap: 0.4rem;
  flex: 1;
  min-width: 230px;
}

label {
  font-size: 0.84rem;
  color: var(--muted);
}

input,
textarea,
select,
button {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 0.7rem 0.78rem;
  font: inherit;
  color: var(--ink);
  background: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

textarea {
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 28%, transparent);
}

button {
  border: 0;
  cursor: pointer;
  font-weight: 700;
  color: #ffffff;
  padding: 0.72rem 1.08rem;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(10, 90, 84, 0.25);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.article-card {
  display: grid;
  gap: 0.75rem;
  min-height: 260px;
  animation: card-in 0.5s ease both;
  animation-delay: calc(var(--i, 0) * 45ms);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.26rem 0.62rem;
  font-size: 0.79rem;
  font-weight: 700;
  line-height: 1;
}

.chip.source {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.chip.date {
  color: #3f5565;
  background: #e9f0f5;
}

.excerpt {
  color: #2c4252;
  line-height: 1.62;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more {
  margin-top: auto;
  display: inline-flex;
  gap: 0.28rem;
  align-items: center;
  font-weight: 700;
  color: var(--accent-strong);
  text-decoration: none;
}

.read-more:hover {
  color: var(--accent);
}

a {
  color: #0d4252;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--accent-strong);
}

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

.article-layout {
  width: min(920px, 100% - 2rem);
}

.back-link {
  display: inline-flex;
  margin-bottom: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.reading-card {
  padding: 1.35rem;
  margin-bottom: 1rem;
}

.article-header {
  margin-bottom: 1rem;
}

.reindex-controls {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  flex-wrap: wrap;
}

.reindex-status {
  min-height: 1.3em;
}

.reindex-status.success {
  color: #0f766e;
  font-weight: 700;
}

.reindex-status.error {
  color: #b42318;
  font-weight: 700;
}

.article-body {
  white-space: pre-wrap;
  line-height: 1.78;
  font-size: 1.02rem;
  max-width: 74ch;
}

.panel {
  margin-bottom: 1rem;
}

.comment-form {
  display: grid;
  gap: 0.68rem;
  margin-bottom: 1rem;
}

.comment-list,
.recommendation-list {
  display: grid;
  gap: 0.7rem;
}

.comment,
.recommendation-item {
  padding: 0.82rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
}

.recommendation-item a {
  font-weight: 700;
}

.empty-state {
  text-align: center;
  padding: 2rem 1.2rem;
}

.empty-state p {
  color: var(--muted);
  max-width: 56ch;
  margin: 0 auto;
  line-height: 1.6;
}

@media (max-width: 700px) {
  .container,
  .article-layout {
    width: min(1120px, 100% - 1.2rem);
    padding-top: 0.9rem;
  }

  .hero,
  .reading-card,
  .card {
    padding: 0.95rem;
  }

  h1 {
    font-size: clamp(1.55rem, 8vw, 2.1rem);
  }

  .article-grid {
    grid-template-columns: 1fr;
  }
}