:root {
  --bg: #05070d;
  --bg-soft: #0a1120;
  --ink: #eef5ff;
  --ink-muted: #a2b0c7;
  --line: rgba(162, 176, 199, 0.18);
  --brand: #22d3ee;
  --brand-deep: #0891b2;
  --accent: #ffb347;
  --panel: rgba(9, 17, 34, 0.78);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background:
    radial-gradient(circle at 10% 8%, rgba(34, 211, 238, 0.12), transparent 30%),
    radial-gradient(circle at 82% 5%, rgba(255, 179, 71, 0.1), transparent 25%),
    var(--bg);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.5;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image:
    linear-gradient(to right, rgba(162, 176, 199, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(162, 176, 199, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  z-index: -1;
}

.site-header,
.feed-shell {
  width: min(1120px, calc(100% - 2.4rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  background: linear-gradient(135deg, var(--brand), #67e8f9);
  color: #001018;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 0.5rem;
  padding: 0.3rem 0.5rem;
}

.brand-text {
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--ink);
}

.nav-cta {
  border: 1px solid var(--brand);
  color: var(--ink) !important;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
}

.feed-shell {
  padding: 2.4rem 0 4rem;
}

.eyebrow {
  color: var(--brand);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "IBM Plex Mono", monospace;
}

.feed-intro h1 {
  margin: 0.6rem 0 0;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  line-height: 1.15;
  max-width: 18ch;
}

.feed-intro p {
  color: var(--ink-muted);
  max-width: 64ch;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  padding: 1rem;
}

.composer {
  margin-top: 1.2rem;
}

.composer-head {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
}

.feed-auth-state {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.composer-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.composer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.composer-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--ink-muted);
  font-size: 0.86rem;
}

.composer-form input,
.composer-form select,
.composer-form textarea {
  border-radius: 0.7rem;
  border: 1px solid var(--line);
  background: rgba(5, 7, 13, 0.8);
  color: var(--ink);
  padding: 0.6rem 0.72rem;
  font-family: inherit;
  font-size: 0.93rem;
}

.composer-actions {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  flex-wrap: wrap;
}

.composer-actions button {
  background: transparent;
  cursor: pointer;
}

.composer-note {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.composer-status {
  margin: 0.65rem 0 0;
  min-height: 1.2rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.composer-status.error {
  color: #f87171;
}

.composer-status.ok {
  color: #34d399;
}

.feed-controls {
  margin-top: 1.3rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  padding: 1rem;
}

.feed-controls label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.feed-controls input {
  width: 100%;
  border-radius: 0.7rem;
  border: 1px solid var(--line);
  background: rgba(5, 7, 13, 0.8);
  color: var(--ink);
  padding: 0.65rem 0.75rem;
  font-family: inherit;
  font-size: 0.95rem;
}

.feed-tags {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-btn {
  border: 1px solid var(--line);
  color: var(--ink-muted);
  background: transparent;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  cursor: pointer;
}

.tag-btn.active {
  border-color: var(--brand);
  color: var(--ink);
  background: rgba(34, 211, 238, 0.12);
}

.feed-list {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
}

.post-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  padding: 1rem;
}

.post-head {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
}

.post-author {
  margin: 0;
  font-weight: 700;
}

.post-time {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.post-type {
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  height: fit-content;
  padding: 0.2rem 0.5rem;
}

.post-title {
  margin: 0.6rem 0 0;
  font-size: 1.15rem;
}

.post-body {
  margin: 0.45rem 0 0;
  color: var(--ink-muted);
}

.post-tags {
  margin-top: 0.65rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.post-tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.post-stats {
  margin-top: 0.7rem;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.post-actions {
  margin-top: 0.6rem;
}

.post-like-btn {
  border: 1px solid var(--line);
  color: var(--ink-muted);
  background: transparent;
  border-radius: 999px;
  padding: 0.32rem 0.65rem;
  font-size: 0.78rem;
  cursor: pointer;
}

.post-like-btn.active {
  border-color: var(--brand);
  color: var(--ink);
  background: rgba(34, 211, 238, 0.12);
}

@media (max-width: 768px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.7rem;
  }

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