:root {
  --bg-top: #0b1020;
  --bg-mid: #1a1f3a;
  --bg-bot: #2c1f3d;
  --ink: #e8e6f0;
  --ink-soft: #a9a6bd;
  --ink-dim: #6b6880;
  --accent: #d4c5a0;
  --line: rgba(232, 230, 240, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100%;
}

body {
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-weight: 300;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 55%, var(--bg-bot) 100%);
  background-attachment: fixed;
  line-height: 1.85;
  letter-spacing: 0.02em;
  overflow-x: hidden;
  position: relative;
}

.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 60% 20%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 80% 60%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 30% 80%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1.5px 1.5px at 90% 90%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 10% 60%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 75% 35%, rgba(255, 255, 255, 0.4), transparent);
  background-size: 100% 100%;
  opacity: 0.7;
  z-index: 0;
  animation: twinkle 8s ease-in-out infinite alternate;
}

@keyframes twinkle {
  from { opacity: 0.4; }
  to { opacity: 0.85; }
}

.site-header {
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  z-index: 1;
}

.site-title {
  font-family: "Cormorant Garamond", "Noto Serif SC", serif;
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.4em;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, var(--ink) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.site-subtitle {
  color: var(--ink-soft);
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  font-style: italic;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.post-list {
  display: flex;
  flex-direction: column;
}

.post-item {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.post-item:hover {
  transform: translateX(4px);
}

.post-item:hover .post-title {
  color: var(--accent);
}

.post-item:last-child {
  border-bottom: none;
}

.post-title {
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 0.6rem;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.post-meta {
  color: var(--ink-dim);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.post-excerpt {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.85;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.loading, .empty {
  text-align: center;
  color: var(--ink-dim);
  padding: 4rem 0;
  font-style: italic;
  letter-spacing: 0.2em;
}

.post-detail {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  position: relative;
  z-index: 1;
}

.post-detail h2 {
  font-size: 2rem;
  font-weight: 400;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.post-detail time {
  display: block;
  color: var(--ink-dim);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  margin-bottom: 3rem;
}

.post-content {
  font-size: 1.02rem;
  line-height: 2;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--ink);
}

.back-btn {
  background: none;
  border: none;
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 3rem;
  letter-spacing: 0.15em;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.back-btn:hover {
  color: var(--accent);
}

.site-footer {
  text-align: center;
  padding: 4rem 2rem 6rem;
  color: var(--ink-dim);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  position: relative;
  z-index: 1;
}

.visit-count {
  display: inline-block;
}

.admin-link {
  color: var(--ink-dim);
  text-decoration: none;
  margin-left: 1.5rem;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.admin-link:hover {
  opacity: 1;
}

.player {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem 0.6rem 0.6rem;
  background: rgba(11, 16, 32, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 999px;
  z-index: 10;
  transition: opacity 0.3s ease;
}

.player-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.player-btn:hover {
  background: rgba(212, 197, 160, 0.2);
  border-color: var(--accent);
}

.player-btn.playing {
  background: rgba(212, 197, 160, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.player-title {
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
}

.hidden {
  display: none !important;
}

/* Admin styles */
.admin-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  position: relative;
  z-index: 1;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.admin-form input,
.admin-form textarea {
  font-family: inherit;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.9rem 1rem;
  color: var(--ink);
  letter-spacing: 0.03em;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.admin-form input:focus,
.admin-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
}

.admin-form textarea {
  min-height: 360px;
  line-height: 1.85;
  resize: vertical;
}

.admin-form button {
  font-family: inherit;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.85rem 2rem;
  cursor: pointer;
  align-self: flex-start;
  transition: all 0.3s ease;
}

.admin-form button:hover {
  background: var(--accent);
  color: var(--bg-top);
}

.admin-form button.secondary {
  color: var(--ink-soft);
  border-color: var(--line);
}

.admin-form button.secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
}

.admin-toolbar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.admin-toolbar h2 {
  font-weight: 400;
  letter-spacing: 0.15em;
  font-size: 1.2rem;
}

.admin-toolbar-right {
  display: flex;
  gap: 1rem;
}

.admin-toolbar a,
.admin-toolbar button {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.3s ease;
}

.admin-toolbar a:hover,
.admin-toolbar button:hover {
  color: var(--accent);
}

.admin-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  gap: 1rem;
}

.admin-list-item:last-child {
  border-bottom: none;
}

.admin-list-title {
  flex: 1;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.admin-list-meta {
  color: var(--ink-dim);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  margin-right: 1rem;
}

.admin-list-actions {
  display: flex;
  gap: 0.75rem;
}

.admin-list-actions button {
  background: none;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.3s ease;
}

.admin-list-actions button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.admin-list-actions button.danger:hover {
  border-color: #c97a7a;
  color: #c97a7a;
}

.toast {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(11, 16, 32, 0.9);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  backdrop-filter: blur(12px);
  z-index: 100;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.toast.show { opacity: 1; }
.toast.error { border-color: rgba(201, 122, 122, 0.5); color: #e8b4b4; }

@media (max-width: 600px) {
  .site-header { padding: 5rem 1.5rem 3rem; }
  .site-title { letter-spacing: 0.3em; }
  .site-subtitle { font-size: 0.8rem; }
  .container { padding: 1.5rem; }
  .post-detail { padding: 2.5rem 1.5rem 5rem; }
  .player { bottom: 1rem; right: 1rem; padding: 0.5rem 0.85rem 0.5rem 0.5rem; }
  .player-title { font-size: 0.7rem; }
}