/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Silkscreen', 'Courier New', monospace;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(
      0deg, transparent, transparent 7px,
      var(--scanline) 7px, var(--scanline) 8px
    ),
    repeating-linear-gradient(
      90deg, transparent, transparent 7px,
      var(--noise-light) 7px, var(--noise-light) 8px
    );
  min-height: 100vh;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { margin: 0; font-weight: 400; letter-spacing: 0.02em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); line-height: 1.0; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.1rem; }
a { color: var(--accent); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--badge-text); text-decoration: none; }

/* ---------- Page Shell ---------- */
.hero,
.section,
.footer,
.gallery-page { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }

/* ---------- Minecraft Button (pixel-art pressed style) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 22px;
  border: 2px solid;
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: none;
  transition: filter 0.08s linear, transform 0.08s linear, box-shadow 0.08s linear;
  user-select: none;
  position: relative;
  letter-spacing: 0.04em;
  image-rendering: pixelated;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.1s linear;
  pointer-events: none;
}
.btn:hover::after { background: rgba(255,255,255,0.06); }

.btn.primary {
  background: var(--btn-primary-bg);
  border-color: var(--btn-primary-shadow);
  color: var(--btn-primary-text);
  box-shadow:
    inset -2px -4px 0 0 var(--btn-primary-shadow),
    inset 2px 2px 0 0 rgba(255,255,255,0.25);
}
.btn.primary:hover {
  filter: brightness(1.1);
  box-shadow:
    inset -2px -4px 0 0 var(--btn-primary-shadow),
    inset 2px 2px 0 0 rgba(255,255,255,0.3);
}
.btn.primary:active {
  box-shadow:
    inset 2px 4px 0 0 var(--btn-primary-shadow),
    inset -2px -2px 0 0 rgba(255,255,255,0.1);
  transform: translateY(2px);
  filter: brightness(0.95);
}

.btn.secondary {
  background: var(--btn-secondary-bg);
  border-color: var(--btn-secondary-shadow);
  color: var(--btn-secondary-text);
  box-shadow:
    inset -2px -4px 0 0 var(--btn-secondary-shadow),
    inset 2px 2px 0 0 rgba(255,255,255,0.1);
}
.btn.secondary:hover { filter: brightness(1.12); }
.btn.secondary:active {
  box-shadow:
    inset 2px 4px 0 0 var(--btn-secondary-shadow),
    inset -2px -2px 0 0 rgba(255,255,255,0.06);
  transform: translateY(2px);
  filter: brightness(0.95);
}

/* ---------- Minecraft Panel / Card ---------- */
.panel,
.media-card,
.hero-card,
.hero-content,
.gallery-header,
.gallery-item,
.highlight-card,
.news-card,
.join-panel {
  background: var(--panel);
  border: 2px solid var(--border);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.05),
    var(--shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
}

/* ---------- Eyebrow (label) ---------- */
.eyebrow,
.section-title p {
  display: inline-block;
  margin: 0 0 12px;
  padding: 5px 12px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.72rem;
  border: 1px solid var(--border);
  letter-spacing: 0.08em;
}

/* ---------- Hero Section (index) ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 24px;
  padding: 40px 0 44px;
  align-items: center;
}

/* Hero content panel — shimmer & scan decorations */
.hero-content {
  padding: 38px;
  position: relative;
  overflow: hidden;
}
.hero-content::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 30%, var(--accent-2) 70%, transparent 100%);
  opacity: 0.7;
}
.hero-content::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(255,255,255,0.007) 3px, rgba(255,255,255,0.007) 4px
  );
  pointer-events: none;
}

.hero-text, .panel p, .note, .join-panel p, .media-card small, .gallery-item span, .highlight-card span {
  color: var(--text-muted);
  line-height: 1.8;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 20px; }

/* Hero title glow */
.hero-content h1 {
  text-shadow: 0 0 32px var(--accent-glow), 0 2px 0 rgba(0,0,0,0.4);
}
body[data-theme="light"] .hero-content h1 {
  text-shadow: 0 2px 0 rgba(0,0,0,0.1);
}

/* Hero card (server status) */
.hero-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
}
.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 400;
  margin-bottom: 16px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.live-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  display: inline-block;
  box-shadow: 0 0 6px var(--accent), 0 0 12px var(--accent-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent), 0 0 12px var(--accent-glow); }
  50% { opacity: 0.6; box-shadow: 0 0 2px var(--accent), 0 0 4px var(--accent-glow); }
}
.card-body { display: grid; gap: 10px; }
.server-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.server-row:hover {
  border-color: var(--border-light);
  background: rgba(255,255,255,0.04);
}
.server-row span { color: var(--text-muted); font-size: 0.78rem; }
.server-row strong { font-size: 0.82rem; color: var(--accent); }
.note {
  margin-top: 8px;
  padding: 12px 14px;
  background: var(--badge-bg);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- Highlights ---------- */
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.stats div {
  padding: 12px 14px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.stats div:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.stats strong { display: block; color: var(--accent); }
.stats span { color: var(--text-muted); font-size: 0.85rem; }
.highlight-card { padding: 20px; }
.highlight-card p { margin: 0 0 10px; color: var(--accent-2); }

/* ---------- Sections ---------- */
.section { padding: 20px 0 48px; }
.section-title { margin-bottom: 20px; }
.section-title-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; }
.section-title h2 {
  margin: 6px 0 0;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  text-shadow: 0 0 24px var(--accent-glow);
}
body[data-theme="light"] .section-title h2 { text-shadow: none; }
.section-actions { margin-top: 18px; }
.about-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }

/* ---------- News (Sign style) ---------- */
.news-list { display: grid; gap: 14px; }
.news-card {
  padding: 20px 24px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.news-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0.7;
  transition: opacity 0.2s ease;
}
.news-card:hover {
  border-color: var(--border-light);
  transform: translateX(3px);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05), -3px 0 0 var(--accent), var(--shadow);
}
.news-card:hover::before { opacity: 1; }
.news-card .news-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.news-card h3 { margin: 0; font-size: 0.95rem; }
.news-card .news-date { color: var(--text-muted); font-size: 0.72rem; white-space: nowrap; opacity: 0.8; }
.news-card .news-body {
  color: var(--text-muted);
  line-height: 1.8;
  white-space: pre-wrap;
  font-size: 0.8rem;
}
.news-card .news-pin {
  display: inline-flex; padding: 3px 8px;
  background: var(--badge-bg); color: var(--badge-text);
  font-size: 0.68rem; border: 1px solid var(--border);
}

/* ---------- Media Carousel ---------- */
.media-carousel-shell { position: relative; overflow: hidden; }
.media-carousel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(4, auto);
  gap: 16px;
}
.media-carousel.is-rotating .media-card {
  animation: fadeSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.media-card, .media-card.placeholder {
  flex: 0 0 calc((100% - 32px) / 3);
  min-width: 240px;
  scroll-snap-align: start;
  padding: 14px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}
.media-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05), 0 6px 24px rgba(0,0,0,0.4), 0 0 0 1px var(--accent-glow);
}
.media-card.featured { border-color: var(--accent); }
.media-card span { display: block; font-size: 0.88rem; margin-top: 10px; }
.media-card small { display: block; font-size: 0.72rem; color: var(--text-muted); }
.media-preview {
  overflow: hidden;
  aspect-ratio: 16/10;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  position: relative;
}
.media-preview img, .media-preview video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
  image-rendering: auto;
}
.media-card:hover .media-preview img { transform: scale(1.04); }

/* Video shell */
.video-launch { width: 100%; padding: 0; border: 0; background: transparent; color: inherit; text-align: left; cursor: pointer; font-family: inherit; }
.video-shell { display: grid; place-items: center; }
.video-thumb { width: 100%; height: 100%; object-fit: cover; display: block; grid-area: 1/1; }
.video-overlay {
  grid-area: 1/1; z-index: 1;
  display: grid; place-items: center;
  width: 50px; height: 50px;
  background: var(--overlay);
  color: #fff;
  font-size: 1.1rem;
  border: 2px solid rgba(255,255,255,0.35);
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.video-shell:hover .video-overlay,
.video-launch:hover .video-overlay {
  transform: scale(1.12);
  background: rgba(78,200,110,0.3);
  border-color: var(--accent);
}

/* ---------- Footer ---------- */
.footer {
  padding: 28px 0 44px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  margin-top: 24px;
}
.footer p { opacity: 0.7; letter-spacing: 0.06em; }

/* ---------- Gallery Page ---------- */
.gallery-page { padding: 28px 0 60px; }
.gallery-header {
  padding: 28px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}
.gallery-header::before {
  content: '';
  position: absolute;
  bottom: 0; left: 28px; right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}
.gallery-page h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-item {
  overflow: hidden;
  padding: 0;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.gallery-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05), 0 8px 24px rgba(0,0,0,0.35);
}
.gallery-item img, .gallery-item video {
  width: 100%; display: block;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--input-bg);
  transition: transform 0.3s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-meta { padding: 14px 16px; }
.gallery-meta span { display: block; font-size: 0.88rem; }
.gallery-meta small { color: var(--text-muted); display: block; margin-top: 4px; font-size: 0.72rem; }
.gallery-section { margin-bottom: 40px; }
.gallery-section-title {
  font-size: 1.05rem;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
  letter-spacing: 0.04em;
}

/* ---------- Empty State ---------- */
.empty-state {
  padding: 32px;
  color: var(--text-muted);
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.7;
}

/* ---------- Join Panel ---------- */
.join-panel { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 24px 28px; }

/* ---------- Theme toggle (header) ---------- */
.theme-btn-header {
  min-height: 44px; padding: 0 14px;
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 2px solid var(--btn-secondary-shadow);
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  box-shadow: inset -2px -2px 0 0 var(--btn-secondary-shadow), inset 2px 2px 0 0 rgba(255,255,255,0.12);
  transition: filter 0.1s linear;
}
.theme-btn-header:hover { filter: brightness(1.1); }
.theme-btn-header:active {
  box-shadow: inset 2px 2px 0 0 var(--btn-secondary-shadow), inset -2px -2px 0 0 rgba(255,255,255,0.06);
  transform: translateY(1px);
}

/* ---------- Form elements (shared) ---------- */
label { display: grid; gap: 6px; color: var(--text-muted); font-size: 0.8rem; }
input[type="text"],
input[type="password"],
textarea,
input[type="file"] {
  width: 100%;
  border: 2px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.82rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
textarea { resize: vertical; min-height: 100px; }
input:focus, textarea:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; padding: 3px 10px;
  background: var(--badge-bg); color: var(--badge-text);
  font-size: 0.68rem; border: 1px solid var(--border);
  letter-spacing: 0.04em;
}

/* ---------- Animations ---------- */
@keyframes fadeShift {
  from { opacity: 0.3; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Pixel particles ---------- */
.pixel-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.pixel-particle {
  position: absolute;
  width: 3px; height: 3px;
  background: var(--accent);
  opacity: 0;
  animation: floatPixel linear infinite;
}
@keyframes floatPixel {
  0% { opacity: 0; transform: translateY(0) translateX(0); }
  10% { opacity: 0.06; }
  90% { opacity: 0.04; }
  100% { opacity: 0; transform: translateY(-120px) translateX(var(--drift,0px)); }
}

/* ---------- Section reveal animation ---------- */
.section {
  animation: sectionReveal 0.5s ease both;
}
@keyframes sectionReveal {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero, .join-panel, .about-grid, .gallery-grid { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; gap: 18px; }
  .stats { grid-template-columns: 1fr; }
  .hero-content { padding: 26px; }
  .media-carousel { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hero, .section, .footer, .gallery-page { width: min(100% - 20px, 1140px); }
  .hero-content, .hero-card, .panel, .media-card, .join-panel, .gallery-header, .gallery-item { border-width: 2px; }
  .media-carousel { grid-template-columns: 1fr; }
  .gallery-header { flex-direction: column; }
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-content::after { display: none; }
}

/* ---------- Scrollbar (dark) ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border: 1px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ---------- 复制提示 toast ---------- */
.copy-toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 9999;
}
.copy-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 服务器地址行：点击态 */
.server-address-row strong {
  cursor: pointer;
  user-select: all;
  transition: color 0.2s;
}
.server-address-row strong:hover {
  color: var(--accent);
}
.server-address-row span::after {
  content: ' 📋';
  font-size: 0.75rem;
  opacity: 0.5;
}

/* ---------- 回声洞 ---------- */
.cave-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 32px 28px;
  background: var(--panel);
  border: 2px solid var(--border);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.05),
    var(--shadow);
  position: relative;
  overflow: hidden;
}
.cave-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-2), transparent);
  opacity: 0.7;
}
.cave-message {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.9;
  text-align: center;
  max-width: 560px;
  margin: 0;
  letter-spacing: 0.03em;
  transition: opacity 0.3s ease;
}
.cave-message.switching {
  opacity: 0.3;
}
.cave-refresh {
  font-size: 0.78rem;
}

.cave-divider {
  width: 60%;
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.cave-input-row {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 460px;
}

.cave-input {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  transition: border-color 0.15s;
}
.cave-input:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.cave-input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.cave-submit {
  font-size: 0.78rem;
  white-space: nowrap;
}

.cave-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.7;
  min-height: 1.2em;
}
.cave-hint.error {
  color: var(--danger);
}
.cave-hint.success {
  color: var(--accent);
}

/* ---------- 模组下载链接 ---------- */
.mods-download {
  text-decoration: underline;
  transition: font-weight 0.15s, color 0.15s;
}
.mods-download:hover {
  font-weight: 900;
  color: var(--danger);
  text-decoration: underline;
}