/* 基础样式 - base.html, login, home 等页面使用；布局参考 base.html */
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", "Microsoft YaHei", sans-serif; background: #f5f6f8; color: #333; min-height: 100vh; }
.layout { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
.layout-body { display: flex; flex-direction: column; flex: 1; min-height: 0; overflow: hidden; }
.main { flex: 1; display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.main-scroll { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; }
.navbar { flex-shrink: 0; background: #1a365d; color: #fff; padding: 0.75rem 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.navbar a { color: #e2e8f0; text-decoration: none; margin-left: 1rem; }
.navbar a:hover { color: #fff; }
.container { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
.card { background: #fff; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,.08); padding: 1.5rem; margin-bottom: 1rem; }
.btn { display: inline-block; padding: 0.5rem 1rem; border-radius: 6px; text-decoration: none; font-size: 0.95rem; border: none; cursor: pointer; }
.btn-primary { background: #f59e0b; color: #fff; }
.btn-primary:hover { background: #d97706; }
.btn-outline { background: transparent; color: #f59e0b; border: 1px solid #f59e0b; }
.btn-outline:hover { background: #fffbeb; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.25rem; font-weight: 500; }
.form-group input { width: 100%; max-width: 280px; padding: 0.5rem 0.75rem; border: 1px solid #cbd5e0; border-radius: 6px; font-size: 1rem; }
.form-group input:focus { outline: none; border-color: #f59e0b; box-shadow: 0 0 0 2px rgba(245,158,11,.25); }
.text-danger { color: #c53030; font-size: 0.9rem; margin-top: 0.25rem; }
ul.errorlist { list-style: none; padding: 0; margin: 0.25rem 0 0; color: #c53030; font-size: 0.9rem; }