/* ============================================
   海外仓PM博客 - 动画样式
   ============================================ */

/* --- 关键帧 --- */

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

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

@keyframes scroll-dot {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-amber {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 0 8px transparent; }
}

@keyframes barcode-slide {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes dash-glow {
  0%, 100% { box-shadow: 0 0 8px var(--accent-glow); }
  50% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.5); }
}

/* --- Hero 入场动画 --- */
.hero-content .hero-barcode {
  animation: fade-in-up 0.8s ease-out both;
}

.hero-content .hero-name {
  animation: fade-in-up 0.8s 0.15s ease-out both;
}

.hero-content .hero-subtitle {
  animation: fade-in-up 0.8s 0.3s ease-out both;
}

.hero-content .hero-location {
  animation: fade-in-up 0.8s 0.45s ease-out both;
}

/* --- Dashboard 数字入场 --- */
.dash-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.dash-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.dash-card:nth-child(1) { transition-delay: 0s; }
.dash-card:nth-child(2) { transition-delay: 0.1s; }
.dash-card:nth-child(3) { transition-delay: 0.2s; }
.dash-card:nth-child(4) { transition-delay: 0.3s; }

/* --- 文章卡片入场 --- */
.article-card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.4s, border-color 0.4s;
}

.article-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.article-card:nth-child(1) { transition-delay: 0.05s; }
.article-card:nth-child(2) { transition-delay: 0.1s; }
.article-card:nth-child(3) { transition-delay: 0.15s; }
.article-card:nth-child(4) { transition-delay: 0.2s; }
.article-card:nth-child(5) { transition-delay: 0.25s; }
.article-card:nth-child(6) { transition-delay: 0.3s; }

/* --- 时间线入场 --- */
.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline-item:nth-child(3) { transition-delay: 0.3s; }
.timeline-item:nth-child(4) { transition-delay: 0.4s; }
.timeline-item:nth-child(5) { transition-delay: 0.5s; }

/* --- 文章卡片 3D 倾斜（桌面端） --- */
@media (hover: hover) and (pointer: fine) {
  .article-card.tilt-active {
    transition: transform 0.1s ease-out, box-shadow 0.4s, border-color 0.4s;
  }
}

/* --- 弹窗动画 --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  max-width: 800px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(30px) scale(0.96);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: sticky;
  top: 16px;
  float: right;
  width: 36px;
  height: 36px;
  border: 1px solid var(--grey-dark);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--grey-light);
  font-family: var(--font-mono);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  margin-right: 16px;
  transition: all 0.3s;
}

.modal-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.modal-body {
  padding: 32px 40px 48px;
}

.modal-article-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grey);
  letter-spacing: 1px;
  margin-bottom: 16px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.modal-article-meta .sep {
  color: var(--accent);
}

.modal-article-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 32px;
}

.modal-article-body {
  font-size: 16px;
  color: #d0d0d0;
  line-height: 2;
}

.modal-article-body p {
  margin-bottom: 20px;
}

.modal-article-body h2 {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--accent);
  margin: 32px 0 16px;
  letter-spacing: 1px;
}

.modal-article-body h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: #fff;
  margin: 24px 0 12px;
}

.modal-article-body ul,
.modal-article-body ol {
  margin: 12px 0 20px 24px;
}

.modal-article-body li {
  margin-bottom: 8px;
}

.modal-article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 24px 0;
  background: rgba(245, 158, 11, 0.05);
  color: var(--grey-light);
  font-style: italic;
}

.modal-article-body code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--accent);
}

/* --- 评论区 --- */
.comments-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.comments-title {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--grey-light);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.comment-form-area {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
}

.comment-form-area input,
.comment-form-area textarea {
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--grey-dark);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s;
}

.comment-form-area input:focus,
.comment-form-area textarea:focus {
  border-color: var(--accent);
}

.comment-form-area input {
  width: 140px;
  flex-shrink: 0;
}

.comment-form-area textarea {
  flex: 1;
  resize: vertical;
  min-height: 44px;
  max-height: 120px;
}

.comment-form-area button {
  padding: 10px 20px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--bg-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  align-self: flex-end;
  transition: all 0.3s;
}

.comment-form-area button:hover {
  background: #fbbf24;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comment-item {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.comment-author {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}

.comment-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--grey);
}

.comment-body {
  font-size: 14px;
  color: #c0c0c0;
  line-height: 1.7;
}

.comments-empty {
  text-align: center;
  padding: 40px 0;
  color: var(--grey);
  font-size: 14px;
}

/* --- Toast 消息 --- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--accent);
  color: var(--bg-dark);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  z-index: 3000;
  font-weight: 700;
  letter-spacing: 1px;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}