/* 前台登录 / 注册 / 找回密码 页样式
   复用站点设计令牌（:root 变量由 home.css 注入，深色主题同理生效） */
.auth-page{min-height:calc(100vh - 56px - 64px);display:flex;align-items:center;justify-content:center;padding:32px 16px}
.auth-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--border);border-radius:14px;
    box-shadow:var(--shadow);padding:30px 28px}
.auth-head{text-align:center;margin-bottom:22px}
.auth-logo{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--primary);font-size:18px;margin-bottom:14px}
.auth-head h1{font-size:19px;margin:0 0 6px;color:var(--text);font-weight:600}
.auth-sub{color:var(--text-3);font-size:13px;margin:0}

.auth-form .field{margin-bottom:14px}
.auth-form label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.auth-form label .opt{color:var(--text-3);font-weight:400}
.field-link{float:right;color:var(--primary);font-size:12.5px}
.field-link:hover{text-decoration:underline}
.ipt{position:relative;display:flex;align-items:center}
.ipt>i:first-child{position:absolute;left:12px;color:var(--text-3);font-size:16px;pointer-events:none;z-index:1}
.ipt input{width:100%;height:42px;padding:0 42px 0 38px;border:1px solid var(--border);border-radius:9px;
    background:var(--bg);color:var(--text);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s;font-family:inherit}
.ipt input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);background:var(--card)}
.ipt-eye{position:absolute;right:8px;width:28px;height:28px;border:0;background:transparent;color:var(--text-3);
    cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:6px}
.ipt-eye:hover{color:var(--primary);background:var(--primary-light)}

.checkbox{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin:2px 0 14px;cursor:pointer}
.checkbox input{width:16px;height:16px;accent-color:var(--primary)}

.auth-msg{margin:0 0 14px;padding:10px 12px;border-radius:8px;font-size:13px;line-height:1.5}
.auth-msg.err{background:rgba(239,68,68,.1);color:#dc2626;border:1px solid rgba(239,68,68,.25)}
.auth-msg.ok{background:rgba(16,185,129,.1);color:#059669;border:1px solid rgba(16,185,129,.25)}

.auth-submit{width:100%;height:44px;border:0;border-radius:9px;background:linear-gradient(120deg,var(--primary),var(--primary-dark));
    color:#fff;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;transition:filter .15s;margin-bottom:6px}
.auth-submit:hover{filter:brightness(1.06)}
.auth-submit:disabled{opacity:.6;cursor:not-allowed}
/* 登录 loading 动画（与 admin_login.css 同源） */
.auth-submit.loading{opacity:.85;cursor:wait}
.auth-submit .spin{display:none;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);
    border-top-color:#fff;border-radius:50%;animation:ua-spin .7s linear infinite;vertical-align:middle;margin-right:6px}
.auth-submit.loading .spin{display:inline-block}
@keyframes ua-spin{to{transform:rotate(360deg)}}
.auth-back{width:100%;height:40px;border:1px solid var(--border);border-radius:9px;background:var(--card);color:var(--text-2);
    font-size:13.5px;cursor:pointer;font-family:inherit;margin-top:6px}
.auth-back:hover{color:var(--primary);border-color:var(--primary)}

.auth-foot{text-align:center;margin-top:18px;font-size:13.5px;color:var(--text-3)}
.auth-foot a{color:var(--primary);font-weight:600}
.auth-foot a:hover{text-decoration:underline}

.found-tip{font-size:13.5px;color:var(--text-2);background:var(--primary-light);padding:10px 12px;border-radius:8px;margin:0 0 16px}

/* 邮箱验证码：输入框内嵌按钮 */
.ipt-code input{padding-right:120px}
.ipt-append{position:absolute;right:6px;height:30px;padding:0 12px;border:1px solid var(--border);border-radius:7px;background:var(--card);color:var(--primary);font-size:12.5px;cursor:pointer;font-family:inherit;white-space:nowrap;transition:border-color .15s,background .15s}
.ipt-append:hover{border-color:var(--primary);background:var(--primary-light)}
.ipt-append:disabled{opacity:.6;cursor:not-allowed;color:var(--text-3);background:var(--bg)}

@media (max-width:480px){
    .auth-card{padding:24px 18px}
}