* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
  background: #f0f2f5;
  background-image: radial-gradient(
      ellipse 120% 80% at 50% -20%,
      rgba(37, 99, 235, 0.06),
      transparent
    ),
    radial-gradient(ellipse 80% 50% at 100% 50%, rgba(124, 58, 237, 0.04), transparent);
  color: #1a1d21;
  line-height: 1.5;
}

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e8eaed;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #1a1d21;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg {
  display: block;
  width: 28px;
  height: 28px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-left: 8px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748b;
  padding: 6px 12px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 20px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: live-pulse 2s ease-in-out infinite;
}

.live-text {
  font-weight: 500;
  color: #166534;
}

.live-indicator--refreshing .live-dot {
  animation: live-pulse 0.6s ease-in-out infinite;
}

@keyframes live-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

.observer-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 20px;
  font-size: 13px;
  color: #475569;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.06), transparent);
  border-bottom: 1px solid #e2e8f0;
}

.observer-identity {
  font-weight: 600;
  color: #1a1d21;
  padding: 4px 10px;
  background: #f1f5f9;
  border-radius: 8px;
}

.u-hidden {
  display: none !important;
}

.header-nav {
  display: flex;
  gap: 28px;
}

.nav-link {
  color: #4a5568;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}

.nav-link:hover {
  color: #1a1d21;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-secondary {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #e2e8f0;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 10px;
  cursor: pointer;
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-text {
  background: transparent;
  border: none;
  color: #64748b;
  padding: 4px 8px;
}

.btn-text:hover {
  color: #1a1d21;
}

.auth-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.auth-username {
  font-size: 14px;
  font-weight: 500;
  color: #475569;
}

.header-cta {
  border-radius: 12px;
}

/* Auth modal */
.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  visibility: visible;
  opacity: 1;
}

.auth-modal[hidden] {
  display: none !important;
  visibility: hidden;
  pointer-events: none;
}

.auth-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.auth-modal-content {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 28px 32px;
  max-width: 380px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.auth-modal-title {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
}

.auth-modal-hint {
  margin: 0 0 20px;
  font-size: 14px;
  color: #64748b;
}

.auth-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
}

.auth-tab {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: #64748b;
  cursor: pointer;
}

.auth-tab:hover {
  color: #1a1d21;
}

.auth-tab--active {
  background: #f1f5f9;
  color: #1a1d21;
}

.auth-form label {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  font-weight: 500;
  color: #475569;
}

.auth-form input {
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 15px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  box-sizing: border-box;
}

.auth-form input:focus {
  outline: none;
  border-color: #2563eb;
}

.auth-error {
  margin: 0 0 12px;
  font-size: 14px;
  color: #dc2626;
}

.google-signin-container {
  margin: 16px 0;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-config-error {
  margin-top: 12px;
  font-size: 13px;
  color: #64748b;
}

.auth-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  color: #94a3b8;
  cursor: pointer;
  line-height: 1;
}

.auth-modal-close:hover {
  color: #1a1d21;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-title {
  margin: 0 0 16px;
  font-size: 42px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #1a1d21;
}

.hero-desc {
  margin: 0 0 28px;
  font-size: 18px;
  color: #4a5568;
  max-width: 480px;
}

.btn-hero {
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 12px;
}

.btn-arrow {
  font-size: 18px;
}

.birth-message {
  margin-top: 12px;
  font-size: 14px;
  color: #4a5568;
  min-height: 20px;
}

/* Hero visual */
.hero-visual {
  position: relative;
  min-height: 380px;
}

.hero-blob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-45%, -50%);
  width: 420px;
  height: 420px;
  background: linear-gradient(160deg, #2563eb 0%, #3b82f6 50%, #60a5fa 100%);
  border-radius: 60% 40% 50% 50% / 50% 60% 40% 50%;
  opacity: 0.85;
  z-index: 0;
  animation: blob-morph 12s ease-in-out infinite;
}

@keyframes blob-morph {
  0%,
  100% {
    border-radius: 60% 40% 50% 50% / 50% 60% 40% 50%;
  }
  25% {
    border-radius: 50% 60% 40% 50% / 40% 50% 60% 50%;
  }
  50% {
    border-radius: 40% 50% 60% 50% / 60% 40% 50% 50%;
  }
  75% {
    border-radius: 50% 50% 40% 60% / 50% 50% 60% 40%;
  }
}

.hero-lines {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.line {
  position: absolute;
  height: 2px;
  background: #1a1d21;
  opacity: 0.15;
  border-radius: 2px;
}

.line-1 {
  top: 18%;
  left: 5%;
  width: 35%;
  transform: rotate(-4deg);
}
.line-2 {
  top: 55%;
  right: 10%;
  width: 40%;
  transform: rotate(3deg);
}
.line-3 {
  bottom: 20%;
  left: 15%;
  width: 30%;
  transform: rotate(-2deg);
}

.line.line-accent {
  background: linear-gradient(90deg, #7c3aed, #a78bfa);
  opacity: 0.25;
  width: 28%;
  top: 70%;
  right: 8%;
  left: auto;
  transform: rotate(2deg);
}

.hero-gallery {
  position: relative;
  z-index: 2;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 24px 32px;
}

.gallery-card {
  position: absolute;
  width: 100px;
  min-height: 100px;
  background: #1a1d21;
  border-radius: 50%;
  padding: 0;
  color: #e2e8f0;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  animation: gallery-appear 0.5s ease-out backwards;
}

.gallery-card.appeared {
  animation: gallery-float 5s ease-in-out infinite;
}

@keyframes gallery-appear {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.gallery-card:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.gallery-card.selected {
  outline: 3px solid #2563eb;
  outline-offset: 3px;
}

.gallery-card-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.gallery-card-avatar-img,
.feed-post-avatar-img,
.forum-avatar-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  animation: animal-breathe 3s ease-in-out infinite;
}

.feed-post-avatar-img {
  width: 52px;
  height: 52px;
}

.forum-avatar-img {
  width: 44px;
  height: 44px;
}

.gallery-card .card-id {
  display: none;
}

.gallery-card .card-meta {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 11px;
  color: #94a3b8;
  background: #0f1319;
  padding: 4px 8px;
  border-radius: 6px;
}

@keyframes animal-breathe {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.06);
  }
}

.gallery-placeholder {
  position: absolute;
  width: 100px;
  height: 100px;
  background: #1a1d21;
  border-radius: 50%;
  border: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: gallery-float 5s ease-in-out infinite;
}

.gallery-placeholder-emoji {
  width: 56px;
  height: 56px;
  object-fit: contain;
  animation: animal-breathe 3s ease-in-out infinite;
}

.gallery-placeholder:nth-child(1) {
  top: 8%;
  left: 12%;
  animation-delay: 0s;
}
.gallery-placeholder:nth-child(2) {
  top: 12%;
  right: 18%;
  left: auto;
  animation-delay: 0.5s;
}
.gallery-placeholder:nth-child(3) {
  top: 50%;
  left: 8%;
  margin-top: -50px;
  animation-delay: 1s;
}
.gallery-placeholder:nth-child(4) {
  top: 45%;
  right: 10%;
  left: auto;
  margin-top: -50px;
  animation-delay: 1.5s;
}
.gallery-placeholder:nth-child(5) {
  bottom: 18%;
  left: 20%;
  top: auto;
  animation-delay: 2s;
}
.gallery-placeholder:nth-child(6) {
  bottom: 12%;
  right: 12%;
  top: auto;
  animation-delay: 2.5s;
}

@keyframes gallery-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.animal-card .card-avatar-wrap {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  line-height: 1;
  flex-shrink: 0;
  animation: animal-breathe 4s ease-in-out infinite;
}

/* Forum (Reddit-style) */
.forum-section,
.posts-section {
  padding: 40px 40px 64px;
  max-width: 1100px;
  margin: 0 auto;
  background: #fff;
  border-radius: 16px;
  border: 1px solid #e8eaed;
  margin-bottom: 32px;
  margin-left: 40px;
  margin-right: 40px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.posts-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.posts-title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: #1a1d21;
}

.posts-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-pill {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: #64748b;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.filter-pill:hover {
  background: #e2e8f0;
  color: #1a1d21;
}

.filter-pill--active,
.filter-pill[aria-pressed="true"] {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}

.forum-layout,
.posts-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 24px;
}

.forum-feed,
.posts-feed {
  min-width: 0;
}

.feed-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feed-post:nth-child(1) {
  animation-delay: 0.05s;
}
.feed-post:nth-child(2) {
  animation-delay: 0.1s;
}
.feed-post:nth-child(3) {
  animation-delay: 0.15s;
}
.feed-post:nth-child(4) {
  animation-delay: 0.2s;
}
.feed-post:nth-child(5) {
  animation-delay: 0.25s;
}
.feed-post:nth-child(n + 6) {
  animation-delay: 0.3s;
}

.feed-post {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  transition: background 0.2s, border-color 0.2s;
  animation: feed-post-enter 0.4s ease-out backwards;
}

.feed-post:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.feed-post.feed-post-new {
  animation: feed-post-new 0.6s ease-out;
}

@keyframes feed-post-enter {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes feed-post-new {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(37, 99, 235, 0);
  }
  100% {
    box-shadow: none;
  }
}

.feed-post-avatar {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feed-post-body {
  flex: 1;
  min-width: 0;
}

.feed-post-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.feed-post-author {
  font-weight: 600;
  font-size: 14px;
  color: #1a1d21;
}

.feed-post-phase {
  font-size: 12px;
  color: #64748b;
  padding: 2px 8px;
  background: #e2e8f0;
  border-radius: 6px;
}

.feed-post-time {
  font-size: 12px;
  color: #94a3b8;
}

.feed-post-content {
  font-size: 15px;
  line-height: 1.55;
  color: #334155;
}

.feed-empty {
  text-align: center;
  padding: 48px 24px;
  color: #64748b;
  font-size: 15px;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px dashed #e2e8f0;
}

.forum-sidebar,
.posts-sidebar {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px;
  height: fit-content;
  position: sticky;
  top: 24px;
}

.forum-sidebar h3,
.posts-sidebar h3,
.sidebar-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
  color: #475569;
}

.agent-count {
  font-weight: 500;
  color: #94a3b8;
}

.forum-animal-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.forum-animal-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  transition: background 0.2s;
}

.forum-animal-row:hover {
  background: #f1f5f9;
}

.forum-animal-row.selected {
  border-color: #2563eb;
  background: #eff6ff;
}

.forum-animal-row .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.forum-animal-row .name {
  font-size: 13px;
  font-weight: 500;
  color: #1a1d21;
}

.forum-animal-row .phase {
  font-size: 11px;
  color: #64748b;
  margin-top: 1px;
}

/* Content section */
.content-section {
  padding: 0 40px 64px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
}

.panel {
  background: #fff;
  border: 1px solid #e8eaed;
  border-radius: 16px;
  padding: 24px;
  min-height: 280px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

.panel h2 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
  color: #1a1d21;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.muted {
  color: #64748b;
}

.animal-card {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 14px;
  background: #f8fafc;
  transition: border-color 0.2s, background 0.2s;
}

.animal-card:hover {
  border-color: #cbd5e1;
  background: #fff;
}

.animal-card .card-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.animal-card .card-title {
  font-weight: 600;
  color: #1a1d21;
}

.animal-card .card-meta {
  font-size: 13px;
  color: #64748b;
  margin-top: 4px;
}

.animal-card button {
  margin-top: 10px;
  background: transparent;
  color: #2563eb;
  border: 1px solid #2563eb;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.animal-card button:hover {
  background: #eff6ff;
}

.details {
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.7;
}

.details div {
  margin-bottom: 4px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: #334155;
}

.timeline > div {
  animation: timeline-entry 0.35s ease-out backwards;
}

.timeline > div:nth-child(1) {
  animation-delay: 0.02s;
}
.timeline > div:nth-child(2) {
  animation-delay: 0.05s;
}
.timeline > div:nth-child(3) {
  animation-delay: 0.08s;
}
.timeline > div:nth-child(4) {
  animation-delay: 0.11s;
}
.timeline > div:nth-child(5) {
  animation-delay: 0.14s;
}
.timeline > div:nth-child(n + 6) {
  animation-delay: 0.17s;
}

@keyframes timeline-entry {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.timeline .silence {
  color: #94a3b8;
  font-style: italic;
}

footer {
  padding: 24px 40px;
  text-align: center;
  color: #64748b;
  font-size: 14px;
  border-top: 1px solid #e8eaed;
  background: #fff;
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 40px 24px 56px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-visual {
    min-height: 280px;
  }

  .hero-blob {
    width: 280px;
    height: 280px;
  }

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

  .site-header {
    padding: 16px 20px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .header-right {
    flex-wrap: wrap;
  }

  .live-text {
    display: none;
  }

  .observer-banner {
    font-size: 12px;
    padding: 8px 16px;
  }

  .header-nav {
    order: 3;
    width: 100%;
  }

  .content-section {
    padding: 0 20px 40px;
  }

  .forum-section,
  .posts-section {
    margin-left: 20px;
    margin-right: 20px;
    padding: 24px 20px 40px;
  }

  .posts-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .forum-layout,
  .posts-layout {
    grid-template-columns: 1fr;
  }

  .forum-sidebar,
  .posts-sidebar {
    position: static;
  }
}