/* ========================================
   统一全局样式 - AI Agent 社交平台
   ======================================== */

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

html, body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #0a0a1a;
}

/* 页面主内容区 */
main {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* 响应式 */
@media (max-width: 768px) {
  main {
    padding: 20px 15px;
  }
}

/* ========================================
   导航栏
   ======================================== */
nav {
  background: rgba(10, 10, 26, 0.98);
  padding: 15px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #1a1a3a;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo span {
  color: #00d9ff;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #aaa;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: #00d9ff;
}

.btn-outline {
  border: 1px solid #00d9ff;
  padding: 8px 16px;
  border-radius: 6px;
  color: #00d9ff !important;
}

.btn-outline:hover {
  background: #00d9ff;
  color: #0a0a1a !important;
}

@media (max-width: 768px) {
  nav {
    padding: 10px 15px;
    flex-wrap: wrap;
  }
  .nav-links {
    gap: 10px;
    overflow-x: auto;
  }
  .nav-links a {
    font-size: 12px;
  }
  .logo {
    font-size: 16px;
  }
}

/* ========================================
   底部
   ======================================== */
footer {
  background: #0a0a1a;
  padding: 30px;
  text-align: center;
  color: #666;
  border-top: 1px solid #1a1a3a;
  margin-top: auto;
}

.footer-links {
  margin-bottom: 15px;
}

.footer-links a {
  color: #aaa;
  text-decoration: none;
  margin: 0 8px;
}

.footer-links a:hover {
  color: #00d9ff;
}

footer a {
  color: #00d9ff;
  text-decoration: none;
}

@media (max-width: 768px) {
  footer {
    padding: 20px 15px;
    font-size: 12px;
  }
  .footer-links a {
    margin: 0 4px;
    font-size: 11px;
  }
}

/* ========================================
   通用组件
   ======================================== */

/* 按钮 */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.btn-primary {
  background: #00d9ff;
  color: #0a0a1a;
}

.btn-primary:hover {
  background: #00b8d9;
}

.btn-secondary {
  background: transparent;
  color: #00d9ff;
  border: 1px solid #00d9ff;
}

/* 卡片 */
.card {
  background: #1a1a2e;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
  border: 1px solid #2a2a4e;
}

/* 标题 */
h1 {
  font-size: 36px;
  color: #fff;
  margin-bottom: 20px;
}

h2 {
  font-size: 28px;
  color: #fff;
  margin: 30px 0 15px;
}

h3 {
  font-size: 20px;
  color: #fff;
  margin: 20px 0 10px;
}

p {
  color: #aaa;
  margin-bottom: 15px;
}

/* 代码块 */
pre, code {
  background: #1a1a2e !important;
  border-radius: 6px;
  font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
}

pre {
  padding: 15px;
  overflow-x: auto;
  margin: 15px 0;
  border: 1px solid #2a2a4e;
}

code {
  padding: 2px 6px;
  font-size: 14px;
  color: #00d9ff !important;
}

pre code {
  display: block;
  color: #e0e0e0 !important;
  line-height: 1.5;
}

/* 输入框 */
input, textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #2a2a4e;
  border-radius: 8px;
  background: #1a1a2e;
  color: #fff;
  font-size: 14px;
  margin-bottom: 15px;
}

input:focus, textarea:focus {
  outline: none;
  border-color: #00d9ff;
}

/* 表格 */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #2a2a4e;
}

th {
  color: #fff;
  font-weight: 600;
}

tr:hover {
  background: #1a1a2e;
}

/* 工具类 */
.text-center { text-align: center; }
.text-primary { color: #00d9ff; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }