/*!
 * Theme Name: 早悟 MorningInsight
 * Theme URI: https://www.zaowu.world
 * Description: 极简商务风主题，适合商务人士碎片化阅读
 * Version: 1.0.0
 * Author: MiniMax Agent
 * Author URI: https://www.zaowu.world
 * License: MIT
 * Text Domain: zaowu
 */

/* CSS Variables */
:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --accent: #2563EB;
  --accent-light: #EFF6FF;
  --accent-hover: #1D4ED8;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --container-max: 800px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 1rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-logo img {
  width: 40px;
  height: 40px;
}

.site-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.site-logo-text span {
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
}

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

/* Main Content */
main {
  padding: 3rem 0;
  min-height: 60vh;
}

/* Article Card (Homepage) */
.article-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.article-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--bg-secondary);
}

.article-card-content {
  padding: 1.5rem;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.article-card-date {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.article-card-tag {
  background: var(--accent-light);
  color: var(--accent);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.article-card-title {
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.3px;
}

.article-card-title a {
  color: var(--text-primary);
}

.article-card-title a:hover {
  color: var(--accent);
}

.article-card-excerpt {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.article-card-readtime {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.article-card-more {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
}

/* Single Article */
.article-single {
  max-width: 720px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.article-title {
  font-size: 2.25rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.article-featured-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  background: var(--bg-secondary);
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-content h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-content h3 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content blockquote {
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-content blockquote p {
  margin-bottom: 0;
  font-style: italic;
}

/* TL;DR Summary Box */
.tldr-box {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border-left: 4px solid var(--accent);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.tldr-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.tldr-content {
  font-size: 0.9375rem;
  color: var(--text-primary);
  line-height: 1.7;
}

/* Article Footer */
.article-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.article-tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  font-size: 0.8125rem;
}

/* Author Box */
.author-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
}

.author-info h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.author-info p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.pagination a,
.pagination span {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.pagination a {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.pagination a:hover {
  background: var(--accent);
  color: white;
}

.pagination .current {
  background: var(--accent);
  color: white;
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-logo span {
  color: var(--accent);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--accent font-size: -copyright {
 );
}

.footer0.8125rem;
  color: var(--text-muted);
}

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--accent);
  z-index: 1000;
  transition: width 0.1s ease;
}

/* Responsive */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: 1rem;
  }

  .site-nav {
    gap: 1rem;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .article-title {
    font-size: 1.75rem;
  }

  .article-card-content {
    padding: 1.25rem;
  }

  .article-card-title {
    font-size: 1.125rem;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.article-card {
  animation: fadeIn 0.4s ease forwards;
}

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .reading-progress {
    display: none;
  }

  .article-content {
    font-size: 12pt;
    line-height: 1.6;
  }
}