/* 登录页面样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }

.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); padding: 20px; position: relative; overflow: hidden; }

.bg-decoration { position: absolute; inset: 0; pointer-events: none; }
.circle { position: absolute; border-radius: 50%; background: rgba(255,255,255,0.1); }
.circle-1 { width: 400px; height: 400px; top: -100px; right: -100px; }
.circle-2 { width: 300px; height: 300px; bottom: -50px; left: -50px; }
.circle-3 { width: 200px; height: 200px; top: 50%; left: 50%; transform: translate(-50%, -50%); }

.login-container { width: 100%; max-width: 400px; position: relative; z-index: 1; }

.login-header { text-align: center; margin-bottom: 30px; }
.logo { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 15px; }
.login-logo-img { height: 48px; width: auto; object-fit: contain; }
.logo-icon { font-size: 48px; }
.logo-text { font-size: 32px; font-weight: 700; color: #fff; }
.login-header p { color: rgba(255,255,255,0.8); font-size: 14px; }

.login-form { background: #fff; border-radius: 16px; padding: 40px; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
.login-form h2 { text-align: center; margin-bottom: 25px; color: #333; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; color: #333; font-weight: 500; font-size: 14px; }

input[type="text"], input[type="password"] { width: 100%; padding: 14px 16px; border: 2px solid #e0e0e0; border-radius: 10px; font-size: 15px; transition: border-color 0.2s; }
input:focus { outline: none; border-color: #667eea; }

.btn-primary { width: 100%; padding: 16px; background: #667eea; color: #fff; border: none; border-radius: 10px; cursor: pointer; font-size: 16px; font-weight: 600; transition: all 0.2s; }
.btn-primary:hover { background: #5568d3; transform: translateY(-1px); }

.error-message { background: #fee; color: #c00; padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; text-align: center; }

.login-footer { text-align: center; margin-top: 20px; }
.login-footer a { color: rgba(255,255,255,0.8); text-decoration: none; font-size: 14px; }
.login-footer a:hover { color: #fff; }