/* 登录页 */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#16a34a 0%,#0ea5e9 100%);padding:20px;position:relative;overflow:hidden}
.login-page::before,.login-page::after{content:"";position:absolute;border-radius:50%;opacity:.12;background:#fff}
.login-page::before{width:380px;height:380px;top:-120px;right:-120px}
.login-page::after{width:260px;height:260px;bottom:-80px;left:-80px}
.login-card{width:100%;max-width:420px;background:var(--surface);border-radius:18px;box-shadow:0 20px 50px rgba(0,0,0,.18);padding:36px 32px;position:relative;z-index:1}
.login-logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:6px}
.login-logo svg{width:48px;height:48px}
.login-title{text-align:center;font-size:21px;font-weight:700;margin-bottom:4px;color:var(--text)}
.login-subtitle{text-align:center;color:var(--text-muted);margin-bottom:24px;font-size:13px}
.login-tabs{display:flex;background:var(--bg);border-radius:10px;padding:4px;margin-bottom:20px;gap:2px}
.login-tab{flex:1;text-align:center;padding:8px 4px;border-radius:7px;cursor:pointer;font-size:13px;color:var(--text-muted);transition:all .15s;user-select:none}
.login-tab.active{background:var(--surface);color:var(--primary);font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.login-tab:hover:not(.active){color:var(--text)}
.login-captcha{display:flex;gap:8px;align-items:stretch}
.login-captcha .form-control{flex:1;min-width:0}
.login-captcha-img{height:auto;min-width:100px;flex:0 0 100px;border-radius:6px;cursor:pointer;border:1px solid var(--border);background:linear-gradient(135deg,#f0fdf4,#e0f2fe);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;letter-spacing:4px;color:var(--primary);user-select:none;transition:transform .15s}
.login-captcha-img:hover{transform:scale(1.03)}
.login-btn{width:100%;padding:12px;font-size:15px;margin-top:4px;border-radius:10px}
.login-footer{text-align:center;margin-top:20px;font-size:12px;color:var(--text-muted)}
.login-error{background:#fee2e2;color:#b91c1c;border-radius:8px;padding:10px 12px;font-size:13px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.login-field{margin-bottom:14px}
.login-field .form-label{margin-bottom:5px;font-size:13px}
.login-field .form-control{padding:10px 12px}
.login-links{text-align:center;margin-top:12px;font-size:13px}
.login-links a{color:var(--secondary);text-decoration:none}
.login-links a:hover{text-decoration:underline}
.login-links .reg-link{color:var(--primary);font-weight:600;margin-left:6px}